Gallotannic compounds in lithographic printing plate coating compositions

FIELD: chemistry.

SUBSTANCE: novel gallotannic compounds include gallotannin, wherein at least one hydroxyl group is substituted with a substitute, said substitute including a molecule, an oligomer or polymer, used in lithographic printing plate coatings, gallotannin or another gallotannin compound, wherein the substitutes are attached to gallotannin directly or through a linking group.

EFFECT: compounds can be used in a lithographic printing plate coating composition.

15 cl, 33 dwg, 49 ex

 

The technical field to which the invention relates.

The present invention relates to lithographic printing forms and their coatings. More specifically, the present invention relates to gallotannin and gallotannins compounds and their use in coating compositions for lithographic printing plates.

The prior art to which the invention relates.

In lithographic printing, the printing plate mounted on the cylinder of the printing machine. The printed form contains on its surface a lithographic image, and a printed copy is produced by applying paint on the image and the subsequent transfer of ink from the printing plate to the receiving material, usually paper. Usually the paint is first transferred onto the intermediate coating, which, in turn, transfers the ink to the surface of the host material (offset printing).

In the traditional, so-called "immersion" or "wet lithographic printing ink and aqueous fountain solution (also called "moisturizing liquid") served on the lithographic image, which consists of oleophilic (or hydrophobic, i.e. taking the paint and repelling water) and hydrophilic (or oleophobic, i.e. the receiving water and repelling paint) areas. When the surface of the printing form,. the Ute water and apply paint, hydrophilic region retain the water and repel the ink, and the receiving paint areas accept the ink and repel water. In the printing process, ink is transferred onto the surface of the host material, resulting form must reproduce the image.

Lithographic printing plates typically include exposed imaging layer (also called "exposed layer or the exposed coating)deposited on the hydrophilic surface of the substrate, usually aluminum. The exposed layer includes one or more sensitive to radiation components, often dispersed in a suitable binder substance.

To obtain a lithographic image on a printed form, the printed form of exhibit under the action of directional radiation. This can be done in various ways. In direct digital imaging (from a computer on the printed form) of the printing form can be exposed using infrared or ultraviolet lasers or light sources. Such a laser or light source can be operated in digital mode via the computer; that is, the laser can be turned on or off in such a way that exposure to the predecessor image can be affected by digitized information contained in the computer. Therefore, exhibited with the ois printed forms, subject to exposure of the image by means of such systems play images must be sensitive to radiation in the near infrared or ultraviolet region of the spectrum.

The exposing device, therefore, translates the image to the printing plate, causing a localized change of the exposed layer. In fact, in such systems exhibited the layer usually contains a dye or pigment which absorbs the incident radiation and the absorbed energy to initiate the reaction which produces the image. Exposure exposure exposure includes the physical or chemical process in the exposed layer so that the exposed areas become different from the unexposed areas, and the manifestation of the image formed on the printed form. The change in the exposed layer may be a change in the hydrophilicity/leofiles, solubility, hardness, etc.

After exposure, the exposed areas or unexposed areas of the exposed layer is removed by a suitable developer, revealing the underlying hydrophilic surface of the substrate. Developers are usually aqueous alkaline solutions which may also contain organic solvents.

In the alternative, the "show in section the PCB machine" lithographic printing plate can be directly installed on a printing machine after exposure and show through contact with paint and/or moisturizing solution at the time of starting work the printing machine. In other words, the exposed areas or unexposed areas of the exposed layer is removed by means of ink and/or fountain solution, and not the developer. More specifically, the so-called system manifestations in the printing machine is a system in which the exposed printing plate mounted on the printing form cylinder of the printing machine, and fountain solution and the ink come to him during the rotation of the cylinder to remove the unwanted area. This technology allows exposed but not developed printing plate (also called a "printing plate precursor") set unchanged on the printing machine and turn manifested in printed form on a conventional printed line.

If you remove the exposed region, the precursor is positive. On the contrary, if you remove the unexposed area, the predecessor is negative. In each case, the remaining area of the exposed layer (i.e. the image area) take the paint, and the hydrophilic surface, opened in the development process, take water and aqueous solutions, as a rule, fountain solution, and will not accept paint.

On prior art described shown in the printing machine negative lithographic (offset) printing plates.

Nab is emer, in U.S. patent No. 5569573 described lithographic printing plate, comprising exhibited by the laser layer, which contains microencapsulation oleophilic materials in the hydrophilic polymeric binder substances.

In European patent No. 0770495 described lithographic printing plate, comprising absorbing in the near infrared region materials, polymeric binders and thermoplastic particles can coalesce under the influence of heat.

In U.S. patent No. 6983694 described manifested in negative printing machine offset printing plates, covered sensitive in the near infrared region of compositions containing thermoplastic polymer particles, such as particles of polystyrene or a copolymer of Acrylonitrile and styrene, erectionspeedo hydrophilic polymer binder and absorbing in the NIR dyes.

In U.S. patent No. 6261740 described neproyavlena negative exposed by the laser lithographic offset printing form containing sensitive to the irradiation of the composition deposited on a hydrophilic substrate. This is sensitive to radiation, the composition includes a copolymer having the acid-catalyzed side groups, which were obtained by the polymerization of N-alkoxysilylated and 3,4-epoxycyclohexylmethyl is relata. It further includes binders based on phenol-aldehyde polymers, Sol iodone as a source of acid, absorbing in the NIR dye absorbing in the visible region dyes and film-forming additives. When exposed to laser radiation in the near infrared region of the reaction occurs stitching on the mechanism of cationic polymerization. The unexposed area can be on-press using a fountain solution.

In addition, U.S. patent No. 6124425 and 6177182 described manifested in negative printing machine offset printing plates, covered with absorbing heat (near infrared) region polymers, which take the reaction of the crosslinking mechanism of cationic polymerization when exposed to radiation in the near infrared region. Absorbing in the near infrared region of the chromophore functional groups attached to the main polymer chain through ether and ammonium links.

In U.S. patent No. 696,422 described negative offset printing plates containing coatings on the basis of the composition, sensitive to near infrared radiation, comprising absorbing in the near infrared region of molecular dyes, sources of radicals, the polymerized by the radical mechanism of the urethane is to be placed, reactive polymeric binders and other additives.

In addition, U.S. patent No. 6969575 and 7001704 described manifested in negative printing machine offset printing plates containing the imaging layer which comprises absorbing in the near infrared region of the microcapsules and produce acid connection.

In U.S. patent No. 6582882, 6846614 and 6899994 and patent application U.S. No. 2005/0123853 described manifested in negative printing machine offset printing plates, covered with exposed thermal irradiation compositions, which contain a polymeric binder, initiator system and the polymerized components. Described polymeric binders are copolymers containing directionspanel polietilenoksidnoy and polypropylene units, or grafted copolymers containing directionspanel polietilenoksidnoy side chains, copolymerizable with Acrylonitrile, styrene and other monomers. The polymerized components represent the viscous liquid oligomers containing many acrylic functional groups. The initiating system comprises absorbing in the near-infrared dyes and forming radicals compounds such as triazine and salts iodone.

In U.S. patent No. 7261998 described show on the printing machine and in the e negative printing machine offset printing form, containing the imaging layer which comprises absorbing in the NIR dyes containing tetraarylborates chromophore, a polymeric binder comprising a hydrophobic main chain, which polyalkyleneglycols side chains are linked directly or indirectly, and forming free radicals salt iodone. The imaging layer further includes, as adhesion promoters, liquid nonionic phosphate acrylate, molecular weight which is at least 250.

In the patent application U.S. No. 2009/0186299 described negative exposed coating composition, which includes a triggering element, absorbing in the near infrared connection, a polymeric binder and adhesion promoters for increasing the resistance to printing the coating composition. Described the adhesion promoters are liquid organic compounds containing unsaturated ethylene double bond of carbon-carbon, which is connected with alkoxysilanes or gidroksietilimino group, such as VINYLTRIMETHOXYSILANE, wikimediamessages, vinyltriethoxysilane, vinyltris(2 methoxyethoxy)silane, VINYLTRIMETHOXYSILANE, 3-acrylonitrilebutadiene, 3-methacryloxypropyltrimethoxysilane, and 3-methacryloxypropyltrimethoxy the silane.

In the patent application U.S. No. 2009/0111051 described negative exposed coating composition comprising initiating element, absorbing in the near infrared connection, a polymeric binder and a stabilizing composition. A stabilizing composition includes a liquid polyethylene glycol decollato and free radical reactive compounds containing end raidgroup, for example, Sipomer WAM II from the company Rhodia (US) and 1-[N-[poly(3-alkoxy-2-hydroxypropyl)]-2-amino-ethyl]-2-imidazolidinone from the company Aldrich Chemical Company (USA).

Positive lithographic (offset) printing plates containing sensitive to irradiation by the laser in the near infrared region of the polymer coating, is also described in the prior art. See, for example, WO 97/39894, EP 0823327, EP 0909627, WO 98/42507. These documents describe obtaining thermosensitive coatings containing novolak and polymeric compounds of the type (meth)acrylate, absorbing in the near infrared region of the connection and dissolution inhibiting compound. Absorbing in the near infrared region and dissolution inhibiting compounds prevent the dissolution of the polymer compound in the liquid developer. This is due to the formation of a mesh structure due to the formation of hydrogen bonds and/or ionic interactions with the coating composition. If the former is onirovanie laser light in the near infrared region, this lattice structure in the exposed areas quickly disintegrates and dissolves in the liquid developer as compared with the unexposed areas (areas image).

However, the difference in solubility between exposed and unexposed areas can sometimes change during storage and use of printed forms. The prior art describes various approaches to solving the above problems.

For example, in U.S. patent No. 6461795 described processing of lithographic printing plates prior to shipment to the buyers at preferred temperatures of from 50 to 60°C and low relative humidity for several hours to accelerate the formation of a continuous mesh structure in the coating composition. This method of heat treatment, however, increases the cost and time of manufacturing lithographic printing plates.

In U.S. patent No. 6613494 described the application of a thin surface layer to protect the unexposed areas of the polymeric coating from exposure to the liquid developer. This approach also increases the cost and time of making lithographic printing forms.

In U.S. patent No. 6420087 described obtaining coating compositions containing siloxane compounds as protecting the image of the substance in order to reduce the dissolution of the unexposed areas in the development process. The presence of these siloxane compounds causes, however, some phase separation in a solution for coating, hardening caused the E. this composition on the substrate, for example, when the coating roller, and point hole. In addition, these siloxane compounds are not soluble in alkaline developers. They cause the formation of sludge in the device for processing and presidida on printed forms, reducing the service life of the developer.

In WO 2004/020484 described obtaining coating compositions, which include acetylene copolymers containing terminal side groups of carboxylic acid, sulfonic acid and phosphoric acid, the polymer is a novolak, absorbing in the NIR dyes absorbing in the visible region of the dye and protecting the image of the substance for the production of high chemical resistance and sensitivity positive lithographic offset printing plates. For such coating compositions require subsequent heat treatment at 50°C during the day to protect the image area from the effects of the developer.

In U.S. patent No. 6255033 and 6541181 describes how to obtain and use acetylenic copolymers containing carboxyl, hydroxyl, halide, metaxylene, and acetylene functional groups, as binder polymers for the production of positive lithographic offset printing plates, which can be exposed by laser irradiation in the near infrared region. D is I such coating compositions require adhesion promoters and absorbing in the NIR dye as a dissolution inhibitor. In practice, high levels of absorbing in the NIR dye absorbing in the visible region of the dye used for differentiation between exposed and unexposed areas in the development process. In addition, the presence of small organic molecules in the coating compositions can cause phase separation in the coating process. It also reduces the mechanical strength and causes blurring of the image during storage.

In U.S. patent No. 6124425 and 6177182 described obtaining thermosensitive polymer coating compositions for positive lithographic printing plates, comprising absorbing in the NIR chromophores grafted to the main chain of the polymer type novolak and polymers based on acrylates and methacrylates. The coating composition can optionally contain other binder polymers and film-forming additives. The use of absorbing in the near infrared region of the polymer in the heat-sensitive polymer coating compositions have found several advantages, such as rapid formation of stable mesh structure and good stability of the unexposed area to the effects of liquid developer without the necessity of heat treatment or a protective surface layer.

In U.S. patent is 7473515 described obtaining thermosensitive polymer coating compositions for positive lithographic printing plates, includes absorbing in the NIR chromophores grafted on the main chain acetylenic copolymers. The coating composition can optionally contain a binder polymers of the novolak type, colouring agents and film-forming additives.

In U.S. patent No. 754,462 described obtaining thermosensitive polymer coating compositions for positive lithographic printing plates, including phenol-or acetylene polymeric binder, absorbing in the near-infrared dyes and low-molecular accelerating the manifestation of compounds such as dialkylaminomethyl acid.

In the patent application U.S. No. 2009/0004599 described obtaining thermosensitive polymer coating compositions for positive lithographic printing plates, including acutally polymer containing a cyclic ester side groups to increase the resistance used in printing chemicals, such as replacing the alcohol moisturizing solutions, solutions for rinsing when using ultraviolet irradiation and paint, which is fixed under the action of ultraviolet radiation.

In WO 99/11458 also described positive lithographic offset printing plates.

Despite all these achievements prior art is still in need but who's materials and new coatings for lithographic printing plates.

The invention

In accordance with the present invention, the following objects of the invention are:

The object 1. Gallotannins connection involving gallotannin, in which at least one hydroxyl group substituted by the Deputy.

The object 2. Gallotannins compound according to claim 1, molecular weight which is more than 1701 g/mol.

Object 3. Gallotannins compound according to claim 1 or 2, in which more than one hydroxyl group gallotannin substituted by the mentioned substituents, and the substituents replacing each of the hydroxyl groups are the same or different from each other.

The object 4. Gallotannins compound according to any one of claims 1 to 3, in which the Deputy is Deputy correlate directly with gallotannins.

The object 5. Gallotannins compound according to any one of claims 1 to 3, in which the Deputy is Deputy associated with gallotannins through a connecting group.

The object 6. Gallotannins connection according to claim 5, in which the connecting group is an alkyl group, optionally comprising one or more ester groups, simple groups of ether, amine groups, aminogroup, urea groups, urethane groups, sulfonamidnuyu groups or functional groups

The object 7. Gallotannins compounds is their any one of claims 1 or 6, which includes Deputy (deputies include) molecule, oligomer or polymer, which is used in coatings, lithographic printing plates, gallotannin or other gallotannins connection.

The object 8. Gallotannins compound according to any one of claims 1 to 7, which includes Deputy (deputies include):

a) stapler,

b) initiator

c) adhesion promoters,

d) an activator of hydrogen bonds,

e) the chromophore,

f) binder,

(g) any other molecules, oligomers or polymers, which are used in coatings and lithographic printing plates,

h) gallotannin or

i) other gallotannins connection.

The object 9. Gallotannins compound according to any one of claims 1 to 8, in which gallotannins compound represented by the formula

where each R1independently represents a hydroxyl or includes one or more of the following compounds:

a) stapler,

b) initiator

c) adhesion promoters,

d) an activator of hydrogen bonds,

e) the chromophore and

f) binder,

(g) any other molecules, oligomers or polymers, which are used in coatings and lithographic printing plates,

h) gallotannin or

i) other gallotannins connection

and optionally includes a connecting group,

with the proviso that IU is greater least one of R 1does not represent hydroxyl.

The object 10. Gallotannins compound of claim 8 or 9, in which the stapler includes a functional group that can react stitching on the mechanism of radical polymerization.

The object 11. Gallotannins connection of claim 10, in which a functional group able to react the crosslinking mechanism of radical polymerization is an acrylate, methacrylate, acrylamide, methacrylamide, alkylacrylate, alkylbetaine, alkylacrylate, alkylmethacrylamide, simple vinyl ether, allyl or styryl.

The object 12. Gallotannins compound of claim 8 or 9, in which the stapler includes a functional group that can react stitching on the mechanism of cationic polymerization.

The object 13. Gallotannins connection 12, in which the functional group that can react stitching on the mechanism of cationic polymerization is a group N-alkoxyimino, N-hydroxymethylamino, N-alkoxysilylated, N-alkoxysilylated, hydroxyalkyl, epoxy or oxetane.

The object 14. Gallotannins compound of claim 8 or 9, in which the activator of hydrogen bonds includes one or more alkyl and/or aryl groups, in which alkyl and/or aryl groups include one or more functional groups, sposobnastyami hydrogen bonds, and alkyl and/or aryl groups optionally contain as substituents alkyl, aryl, alkylaryl and/or poly(allenglish).

The object 15. Gallotannins connection according to claim 7, in which the coating lithographic printing plates represents the exposed floor.

The object 16. Gallotannins connection 15, in which the exposed coating is negative.

The object 17. Gallotannins connection 15, in which the exposed surface is positive.

The object 18. Gallotannins compound according to any one of p-17, in which the exposed coating is sensitive to radiation in the near infrared region.

The object 19. Gallotannins compound according to any one of p-17, in which the exposed coating is sensitive to ultraviolet radiation.

The object 20. The method of obtaining gallotannins connection, which includes the following stages:

a) obtaining gallotannin; and

b) replacing at least one hydroxyl group gallotannin Deputy, in which the Deputy is as described in any one of claims 1 to 19.

The object 21. Composition for coating printed forms, including gallotannin and/or gallotannins compound according to any one of claims 1 to 18.

The object 22. The coating composition according to item 21, where this coating composition includes Myung is our least 1.0 wt.% gallotannin.

The object 23. The coating composition according to item 21, where this coating composition includes gallotannins connection.

The object 24. The coating composition according to item 23, where this coating composition includes from about 1 to about 40 wt.% specified gallotannins connection.

The object 25. The coating composition according to any one of p-24, where the coating composition is a negative of the exposed coating composition.

The object 26. The coating composition according to any one of p-24, where the coating composition is a positive exhibited coating composition.

The object 27. Lithographic printing plate comprising a coating obtained by using the coating composition according to any one of p-26.

The object 28. The method of obtaining lithographic printing plates, which comprises the following stages:

a) manufacture of the substrate, and

(b) the application of the coating composition according to any one of p-26 on a substrate.

The object 29. Printing method, which comprises the following stages:

a) manufacturing a lithographic printing plate as described in item 27,

b) exposing the printing plate exposing radiation,

c) the manifestation of the exposed printing forms and

d) using the shown printing plate on a printing machine for printing.

Brief description of drawings

In praguemanchester:

figure 1 (a)-(f) represent reactive itaniemi oligomers included in the Tuxedo® 600PFB, commercially available from American Dye Source, Inc.;

figure 2 represents the ideal structure gallotannins connection RGT-01;

figure 3 represents the ideal structure gallotannins connection RGT-02;

figure 4 represents the ideal structure gallotannins connection Gallo-25X;

figure 5 represents the ideal structure gallotannins connection Gallo-Iodo;

6 represents an ideal structure gallotannins connection Gallo-Triazine;

Fig.7 represents the ideal structure gallotannins connection RGT-03;

Fig is an ideal structure gallotannins connection RGT-04;

Fig.9 represents the ideal structure gallotannins connection MCI09-M090;

figure 10 represents the ideal structure gallotannins connection MCI09-H01;

11 represents an ideal structure gallotannins connection MCI09-H02;

Fig is an ideal structure gallotannins connection MCI09-H03;

Fig represents the ideal structure of the intermediate MCI09-040;

Fig is an ideal structure gallotannins dendrimers MCI09-D001;

Fig is an ideal structure gallotannins connection MCI09-M100;

Fig is an ideal structure gallotannins connect the Oia MCI09-M102;

Fig is an ideal structure gallotannins connection MCI09-P200;

Fig is ultraviolet, visible and near infrared spectra MCI09-P200 and absorbing in the NIR dye ADS830AT 2-methoxypropanol;

Fig is an ideal structure gallotannins connection MCI09-P204;

Fig is an ideal structure gallotannins connection Gallo-NDQ;

Fig is helpanimals chromatogram MCI09-009 and CI09-052;

Fig is an ideal structure gallotannins connection MCI09-P052;

Fig is an ideal structure gallotannins connection MCI09-P054;

Fig is an ideal structure gallotannins connection MCI09-P056;

Fig is helpanimals chromatogram MCI08-P020 before and after reaction with three equivalents MCI09-040;

Fig is an ideal structure gallotannins connection MCI09-P058;

Fig is an ideal structure gallotannins connection MCI09-P208;

Fig is an ideal structure gallotannins connection MCI09-P202;

Fig is an ideal structure gallotannins connection MCI09-P206;

Fig represents the ideal structure of the polymer particles PP-01;

Fig represents the ideal structure of the polymer particles PP-02;

Fig is and what eallow the structure of the polymer particles PP-07; and

Fig represents the ideal structure of the polymer particles PP-06.

Detailed description of the invention

Gallotannins connection

Next will be discussed in detail, the present invention provides, in a first aspect, gallotannins connection involving gallotannin, in which at least one hydroxyl group substituted by the Deputy.

Gallotannin, also known as tannic acid is a solid, highly soluble in water. He is a polyphenol extracted from plants, and has the following ideal framework based on a complex ester of glucose and Gallic acid:

As seen above, gallotannin includes multiple hydroxyl functional groups. These hydroxyl groups can be partially or completely substituted by various substituents.

The authors of the present invention unexpectedly found that gallotannin or gallotannins compounds in which at least one of the hydroxyl groups replaced with another Deputy, can be used in coatings and lithographic printing plates. In fact, it was unexpectedly discovered that gallotannin and such gallotannins connection, as a rule, contribute to the adhesion of the coating to the substrate, which allows to increase the number of printed eksempel the ditch compared to the same coating without gallotannin or such gallotannic compounds. More specifically, as can be seen in the examples below, it was found that gallotannin and gallotannins compounds can be used in coatings for printing plates, since these compounds tend to improve adhesion is sensitive to the exposure of the coating to the substrate. The authors of the present invention have observed that the addition of a few weight percent of gallotannin or such gallotannins connections to well-known floor, as a rule, is sufficient to improve the properties of the coating, such as adhesion and the size of the print run.

Indeed, the authors of the present invention have found that almost all the molecules, oligomers or polymers used in the coatings, lithographic printing plates, can be attached to gallotannin thus, to use the favorable effect gallotannic compounds, as illustrated through the examples below. Molecules, oligomers or polymers can represent those that use any coatings for lithographic printing plates, i.e. in the primer coating, the exposed coatings, surface coatings, etc. In the embodiment, the substituents may represent molecules, oligomers or polymers used in the coatings exhibited. More specifically, the exposed coating may be the negative. In other embodiments, the implementation of it is positive. In variants of the implementation of the exposed coating is sensitive to radiation in the near infrared region. In other embodiments, implementation of the exposed coating is sensitive to ultraviolet radiation.

Non-limiting examples of substituents that may substitute the hydroxyl group gallotannin in gallotannins connection include deputies, including:

- staplers,

- initiators,

- the adhesion promoters,

- activators of hydrogen bonds,

- chromophores,

binders,

- any other molecules, oligomers or polymers, which are used in coatings and lithographic printing plates,

- gallotannin and

another gallotannins connection.

Of course, you can substitute several hydroxyl groups gallotannin to get gallotannins connection. It is not necessary that all the hydroxyl groups were substituted by the substituents of the same type. There is no need that all the substituents of a certain type were the same.

As noted above, the Deputy can be gallotannin or other gallotannins connection. The authors of the present invention actually found that a few molecules of gallotannin or gallotannin the passed connection as described herein, can be connected with the formation of dendrimers. These dendrimers are described in this document a positive effect when they are used in printed forms. In embodiments, the implementation of these dendrimers contain from 2 to 25 gallotannins nuclei.

The expert will appreciate that some of the above substituents can be used in negative forms, positive forms, or both types of printed forms. Therefore, the specialist will know how to mix and combine data deputies to achieve the desired effect.

Gallotannin has a molecular weight which is 1701,22 g/mol. Essentially, in the variants of implementation gallotannins compounds according to the present invention have a molecular weight that is more than, for example, approximately 1702 g/mol or more. In embodiments implementing gallotannins compound has a molecular weight of 2000, 2500, 3000, 3500 g/mol or more. Molecular weight can also be much higher than that specified above, for example, in cases where one of the substituents represents a polymer, and in the case of dendrimers.

The expert will appreciate that the deputies, including staplers, initiators, adhesion promoters, activators of hydrogen bonds, the chromophores and the binder (and, in the case of the of antimirov, other molecules gallotannin or gallotannins connection) can be attached directly to gallotannin. Alternatively, Deputy bound (deputies associated with gallotannins through a connecting group. The nature of this coupling group is selected in such a way as to prevent interference in the functioning of the group, which she connects with gallotannins, and ease of its use in the synthesis gallotannins connection, but its exact structure is not critical.

In variants of the implementation of the connecting group may be an alkyl group, optionally containing one or more ester groups, simple groups of ether, amine groups, aminogroup, urea, urethane, sulfonamidnuyu or functional groups(or any combination of these groups).

The alkyl group may be linear, branched and/or cyclic. In other words, the alkyl group can include linear part, branched part and a cyclic part. An alkyl group can contain from 1 to 50 carbon atoms. When in the above description indicates that the alkyl group optionally contains the functional group, this means that the functional group may nahodites is at the end of the alkyl groups or between any two carbon atoms of alkyl group or its substituents. For greater certainty, when more than one functional group included in the alkyl group, these functional groups do not necessarily have to be divided carbon atoms of alkyl group, i.e. they can be directly connected to each other. For greater certainty, in this document the functional group of simple ether represents-O-; ester functional group (or a connecting group) is a -(C=O)-O - or-O-(C=O)-; functional amino group represents-NR3-, amide functional group (or aminogroups) (or a connecting group) is a -(C=O)-NR3- or-NR3-(C=O)-; urea functional group represents-NR3-(C=O)-NR3-; sulfonamidnuyu functional group is a-SO2-NR3- or-NR3-SO2-; and urethane functional group represents-NR3-(C=O)-O - or-O-(C=O)-NR3-, and R3represents hydrogen or alkyl.

More specifically, in the variants of implementation proposed gallotannins compound of the formula:

where each R1independently represents a hydroxyl or includes one or more of the following compounds:

- stapler,

- initiator

the adhesion promoters,

activator waters which ties

- chromophore,

- binder,

- any other molecules, oligomers or polymers, which are used in coatings and lithographic printing plates,

- gallotannin or

another gallotannins connection

and optionally includes a connecting group,

with the proviso that at least one R1does not represent hydroxyl.

In embodiments, the implementation of the crosslinker, initiator, adhesion promoters, activator of hydrogen bonds, the chromophore and the binder are substances that are described below.

Staplers

As used in the present description, the term "crosslinker" means a molecule, oligomer or polymer containing a functional group that can react stitching on the mechanism of cationic or radical polymerization. In the present description, the expression "functional group that can react stitching on the mechanism of radical polymerization" means that the functional group how to react with another functional group of the same or other molecules on the mechanism of free radical polymerization with the formation of three-dimensional crosslinked grid. As used in the present description, the expression "functional group that can react stitching on the mechanism of cationic polymerization" means that the functionality is supplemented flax group capable of forming a covalent bond with another functional group of the same or a different molecule in the presence of an acid catalyst with the formation of three-dimensional crosslinked grid.

The purpose of suturing is to carry out the polymerization under the influence of radicals and/or acids. Such radical and/or acid usually forms the initiator upon exposure exposure exposure. When polymerization of the staplers is formed mesh in the exposed areas of the printing plates, thereby providing a manifestation of printing plates and printing using printing plates. Specialists are well known functional group that can react stitching on the mechanism of cationic or radical polymerization. The specialist will be clear that the specific nature of suturing is not decisive. The connection of suturing with gallotannins allows to form the desired grid in the exposed area and to take advantage of the application of gallotannin or gallotannins connection, as described above. According to the present invention any crosslinker that contains this functional group (with connecting group or not), can replace one or more hydroxyl groups gallotannin.

In embodiments, the functional group that can react stitching on the mechanism of cationic or radical polymerization, represents a functional group that can react stitching on the mechanism of radical polymerization, for example, unctionally group, which contains a curable double bond carbon-carbon (C=C). This functional group may be an acrylate, methacrylate, acrylamide, methacrylamide, alkylacrylate, alkylbetaine, alkylacrylate, alkylmethacrylamide, simple vinyl ether, allyl or styryl, and in the embodiment, the alkyl group contains from 2 to 10 carbon atoms.

In embodiments, the functional group that can react stitching on the mechanism of cationic or radical polymerization, represents a functional group that can react stitching on the mechanism of cationic polymerization. This functional group may be a group N-alkoxymethyl (such as N-methoxyethylamine), N-hydroxymethylamino, N-alkoxysilylated (such as N-ethoxymethyleneamino), N-alkoxysilylated (such as N-ethoxymethyleneamino), hydroxyalkyl, epoxy or oxetane, and in variants of implementation of the alkyl contains from 2 to 20 carbon atoms and/or alkoxy contains from about 1 to 6 carbon atoms.

In variants of the implementation of the stapler can be a staple, which is described in U.S. patent№№5569573, 6261740, 6960422, 6969575, 6846614, 6899994, 7261998 or in patent applications U.S. No. 2005/0123853 or 2009/0186299, which are included in the present description by SS the CTL.

It should be noted that when suturing replace a larger number of hydroxyl groups, the imaging speed of the printing form is increased due to the greater availability of the reactive centers. However, in some cases, the retention period of the printing form can be somewhat reduced. Based on the foregoing, the specialist will know how to balance these two effects to get the printing form corresponding to his needs.

Initiators

The initiators are molecules, oligomers or polymers used in the printed forms for the formation of radicals and/or acids, when printing the form of exhibit exposure to radiation. The aim of the initiators is to form radicals and/or acid when exposed to imaging radiation or reception of electrons (donor which is, for example, the chromophore). These radicals and/or acids polymerization staplers, resulting in a grid in the exposed areas of the printing plates, as described above, thereby making the development of the printed forms and print these forms. The initiators are well known in the art. The specialist will be clear that the specific nature of the initiator is not critical. The connection of initiators with gallotannins ensures the formation of radicals and/or the slot in the exposed areas and allows you to take advantage of the application of gallotannin or gallotannins connection as explained above. According to the present invention any known in the art, the initiator may replace one or more hydroxyl groups gallotannin.

Thus, the initiator may be sensitive to exposure to radiation to be used to expose printing plates. For use in temperature-sensitive (i.e. sensitive to radiation in the near infrared region) print form you can use the initiator sensitive to radiation in the near infrared region of wavelengths from 700 to 1100 nm. Similarly, for applications sensitive to ultraviolet radiation of the printed form, you can use the initiator sensitive to radiation in the ultraviolet region of wavelengths from 300 nm to 450 nm. It should be noted that some proponents (or their classes) can be sensitive to radiation in both the near infrared and ultraviolet).

Generally, suitable initiators include, but are not limited to, amines (such as alkanolamine), tirinya connection oilindustry acid or its derivatives, N-phenylglycine and its derivatives, esters of N,N-dialkylaminomethyl acid, N-eilperin and their derivatives (such as N-phenylglycine), aromatic sulphonylchloride, trihalomethane, imides (such as N-benzoyl shall ciftligi), diazomethane, derivatives of 9,10-dihydroanthracene, N-aryl, S-aryl or O-airportamenities acid containing at least 2 carboxypropyl, of which at least one group connected to the nitrogen atom, oxygen or sulfur aryl fragment (including oilindustry acid and its derivatives and other "coinitiator described in U.S. patent No. 5629354), simple oxime ethers and esters of (including derivatives of benzoin), α-hydroxy - or α-aminoacetophenone, alkyltrimethylenedi, trihalogenmethane, ethers, and esters of benzoin, peroxides (such as benzoyl peroxide), hydroperoxides (such as cumylhydroperoxide), azo compounds (such as azo-bis-isobutyronitrile), the dimer of 2,4,5-triarylmethyl (also known as sexualvideo or HABI), as described, for example, in U.S. patent No. 4565769, salts of borates and organoborate, such as those described in U.S. patent No. 6562543, and onevia salts (such as ammonium salts, salts diarylethene, salt triarylsulfonium, salts of aryldiazonium and salts of N-alkoxyamine). Other known components of the composition of the initiator is described, for example, in published patent application U.S. No. 2003/0064318.

Sensitive to radiation in the near infrared and ultraviolet ranges of the initiators also include salt diarylethene that contain positive what about the charged atom of iodine, which is associated with two aryl rings, and a negatively charged counterion. Negatively charged counterions can be hexafluoroantimonate, tetraphenylborate, triphenylsilanol (where available implementation of the alkyl contains from 1 to 12 carbon atoms), tetrafluoroborate, hexaphosphate and toilet.

Sensitive to radiation in the near infrared region initiators may also be, for example, reactive oligomers, described in patent applications U.S. No. 2007/0269739, 2008/0171286 and 2009/0035694, which is incorporated into this description by reference. It should be noted that these are sensitive to radiation in the near infrared region initiators can also be used as sensitive to radiation in the ultraviolet region of the initiators, since they are sensitive to ultraviolet radiation.

In variants of the implementation of the initiator can be a substance that is described in the U.S. patents№№5569573, 6261740, 6960422, 6969575, 6846614, 6899994, 7261998, patent applications U.S. No. 2005/0123853, 2009/0186299, 2009/0111051 and international patent application WO 2008/156552, which is incorporated into this description by reference.

In addition, sensitive to radiation in the near infrared region initiators can be a product from American Dye Source, Inc. (Baie d Ure, Quebec, Canada) under the trade name Tuxedo® 600PFB. This product is a mixture of reactive iodonium oligomers presented in figure 1(a)-(f).

Sensitive to radiation in the near infrared and ultraviolet ranges of the initiators may constitute, for example, forming acid diazocompounds and polymers. They can represent the following compounds and polymers, which are commercially available from PCAS (France):

where:

A represents PF6, SbF6, arylsulfonate, alkylsulfonate and BF4,

R represents a linear or branched alkyl or poly(allenglish), and

n represents the number of repeating units from 1 to 50,

and where in the variants of implementation of the alkyl contains from 1 to 5 carbon atoms and poly(allenglish) contains from 1 to 50 repeating units.

In embodiments implementing sensitive to radiation in the near infrared and ultraviolet ranges of initiators may also be, for example, forming free radicals triazine compounds. They can represent the following compounds, which are also commercially available from PCAS (France):

where R represents a linear or branched alkyl or poly(allenglish),

and where is the option exercise alkyl and/or alkylene contains from 1 to 10 carbon atoms and poly(allenglish) contains from 1 to 50 repeating units.

Sensitive to radiation in the ultraviolet region initiators include initiators based on triazine.

The adhesion promoters

The adhesion promoters are molecules, oligomers or polymers used in printed form, to improve the adhesion of the coating to the substrate.

The purpose of adhesion promoters is to enhance the adhesion of the exposed coating with the substrate of the printing form, thereby providing a longer service life of the printing plates. Specialists in the art are well known activators of adhesion. The specialist will be clear that the specific nature of the adhesion promoters is not decisive. The connection of the adhesion promoters with gallotannins can improve adhesion and simultaneously take advantage of the application of gallotannin or gallotannins connection, as described above. According to the present invention any known in the art, the adhesion promoters may be substituted one or more hydroxyl groups gallotannin.

In variants of the implementation of the adhesion promoters can be an activator described in U.S. patent No. 7083895, which is included in the present description by reference.

Typically, the adhesion promoters contain activating adhesion functional groups, such as ceanography, is idagroup [i.e., NH2-(C=O)-NH-], or phosphoric acid.

In variants of the implementation of the adhesion promoters can be activators are described in U.S. patent No. 6255033 and 6541181, patent applications U.S. No. 2009/0186299 and 2007/0808434 and in international patent application WO 2008/156552, which is incorporated into this description by reference.

Activators of hydrogen bonds

Gallotannins connection may include activators of hydrogen bonds. These substituents are molecules, oligomers or polymers that contain one or more functional groups capable of forming hydrogen bonds. In embodiments, the implementation of these substituents contain several functional groups able to form hydrogen bonds.

The purpose of the activators of hydrogen bonds is to form hydrogen bonds with other activators of hydrogen bonds and optional with others present molecules that contain functional groups capable of forming hydrogen bonds. This ensures the formation of supramolecular structures in the floor. In negative printed forms this improves the cohesion of the film. In a positive printed forms it also promotes cohesion and accelerates the formation of supramolecular structures (which may break down during exposure), resulting from the leased stronger printed image (unexposed areas).

Specialists in the art are well known activators of hydrogen bonds. They are often called "inhibitors dissolved in a positive printed forms of the prior art.

Functional groups capable of forming hydrogen bonds, also well known in the art and include groups containing a hydrogen atom in a polar covalent bond, and groups containing electronegative atom with a pair of free electrons. Non-limiting examples of such groups include, without limitation, hydroxy, carboxy, primary and secondary amines and any combination of them. The specialist will be clear that the specific nature of activators of hydrogen bonds is not decisive. Connection activators of hydrogen bonds with gallotannins allows to improve the cohesion of the coating and at the same time enjoy the benefits of gallotannin or gallotannins connection, as described above. According to the present invention, any well-known specialists activator of hydrogen bonds can replace one or more hydroxyl groups gallotannin.

In variants of the implementation of the activator of hydrogen bonds can represent this activator as those described in U.S. patent No. 6506536 and 6902860 included in the present description by reference.

Molecule, oligomer and polymer, containing functional groups, which provide many hydrogen bonds with the formation of supramolecular polymers are also described in the publications Chemical Review, 1997, Vol.91, Pages 1681 to 1712 and Chemical Review, 2001, Volume 101, Pages 4071 to 4097, which is incorporated into this description by reference.

In variants of the implementation of the activators of hydrogen bonds can represent such activators as those described in international patent applications WO 98/42507, WO 99/11458, WO 2004/020484 and in U.S. patent No. 6461795, 6613494, 6506536, 6902860.

In variants of the implementation of the activator of hydrogen bonds may include one or more alkyl and/or aryl groups. Aryl and/or alkyl groups containing one or more functional groups capable of forming hydrogen bonds. Alkyl and aryl groups can be substituted by alkyl, aryl, alkylaryl and/or poly(alkalophiles). The alkyl can be linear, branched and/or cyclic alkyl group. In other words, the alkyl can include a linear part, a branched part and a cyclic part. An alkyl group can contain from 1 to 12 carbon atoms. In the above description, when it is noted that the alkyl optionally includes the listed functional groups, this means that the functional group may be at the end of the alkyl or between any of the two carbon atoms of the alkyl or his deputies. Aryl can contain from 5 to 12 carbon atoms. The aryl may be heteroaryl, where one or more carbon atoms replaced by nitrogen atoms.

In variants of the implementation of the activators of hydrogen bonds can be a derivative of ureidopenicillin, 1,5-pyridine or 1,8-naphthiridine. For example, these substituents can be:

where R1represents alkyl, poly(allenglish), alkylaryl and aryl, and in variants of implementation of the alkyl contains from 1 to 10 carbon atoms, poly(allenglish) contains from 1 to 50 repeating units, alkylene contains from 1 to 10 carbon atoms and aryl contains 5 or 6 carbon atoms.

The chromophores

The chromophores are molecules, oligomers or polymers used in the printed forms that are excited and/or decompose during exposure exposure light and thus produce heat, serve as electron donors and/or enter into reaction with the formation of functional groups, which are more soluble in aqueous developers.

The purpose of the chromophores is to produce heat, to serve as electron donors and/or become more soluble during exposure exposure exposure. In a positive printing form heat RA will reset supramolecular structure, which is formed by hydrogen bonds or ionic interactions, in the exposed areas of the printing form, providing the forms and print. Increasing the solubility also contributes to the manifestation of printing plates and printing. In negative printed forms of the chromophore acts as an electron donor, which provides the electrons of the electron-acceptor to the initiator, which, in turn, forms free radicals or acids to accelerate the crosslinking reaction.

The chromophores are well known to specialists in this field of technology. The specialist will be clear that the specific nature of the chromophores is not decisive. The connection of the chromophores with gallotannins provides the necessary heat/electrons in the exposed areas of the coating, while allowing you to take advantage of the application of gallotannin or gallotannins connection, as described above. According to the present invention any known in the art, the chromophore may be substituted one or more hydroxyl groups gallotannin.

Such chromophores are sensitive to exposure to radiation used to expose printing plates. For use in sensitive to heat (or near infrared) radiation printed forms used chromophore sensitive to what Blakeney in near-infrared wavelengths. Similarly, for use in sensitive to UV irradiation printed forms used chromophore sensitive to radiation in the ultraviolet region of wavelengths.

In variants of the implementation of the chromophore is a sensitive to radiation in the near infrared region of the chromophore, which has a strong absorption band in the range from 700 to 1100 nm.

Examples of sensitive to radiation in the near infrared chromophores include azo dyes, squarewave dyes, dye-based crotonate, triarylamine dyes, thiazoline dyes, indoniesia dyes, oksanalove dyes, oxazolium dyes, cyanine dyes, merocyanine dyes, phthalocyanine dyes, indocyanine dyes, indotricarbocyanine dyes, hemocyanine dyes, streptochinasi dyes, extracurricularly dyes, diciannove dyes, tetracarbonyl dyes, cryptocyanine dyes, naphthalocyanine dyes, polyaniline dyes, polypyrrole dyes, polythiophene dyes, halogenopyrimidines and bi(chalcogenides)polymethine dyes, dyes based oxindoles, dyes based on perilya, pyrazolinone azo dyes, oxazine dyes, nattokinese Kras is teli, antrahinonovye dyes, chironimidae dyes, methine dyes, kilmacanogue dyes, polymethine dyes, scarymovie dyes, oxazole dyes, croconaw dyes, porphyrin dyes, and any substituted or ionic form of the dyes listed above classes.

Suitable sensitive to radiation in the near infrared chromophores are also described in U.S. patent No. 5208135, 6569603, 6787281, international patent application WO 2004/101280 and European patent # 118033, which is incorporated into this description by reference. Other useful sensitive to radiation in the infrared region of the chromophores described in European patent No. 0438123 and in U.S. patent No. 7135271.

In variants of the implementation of the chromophores may constitute such chromophores as those described in U.S. patents№№6261740, 6124425, 6177182, 6960422, 6969575, 6582882, 6846614, 6899994, 6461795, 6613494, 6255033, 6541181, 6124425, 6177182, 7544462, patent applications U.S. No. 2005/0123853, 2009/0186299, 2009/0111051, 2007/0808434, 2009/0004599, European patent No. 0823327 and international patent applications WO 98/42507, WO 99/11458, WO 2004/020484, WO 2008/156552, which is incorporated into this description by reference.

You can also use sensitive to radiation in the near infrared chromophores having the following structure:

Newsusa commercially available from American Dye Source, Inc. (Baie d'urfe, Quebec, Canada).

Examples of suitable sensitive to radiation in the near infrared region of the polymer chromophores are described in U.S. patent No. 6124425, 6177182 and 7473515, which is incorporated into this description by reference. You can use sensitive to radiation in the near infrared region of the polymer chromophores having the following structure:

where a, b, c, d and e represent a molar ratio, which is equal to 0.10, 0,30, 0,50, of 0.08 and 0.02, respectively.

where a, b and c represent molar ratios that are equal to 0.73, of 0.25, and 0.02, respectively.

They are commercially available from American Dye Source, Inc. (Baie d'urfe, Quebec, Canada).

In embodiments implementing sensitive to radiation in the near infrared region of the chromophore can be an azo dye or arylamino dye. As used in the present description, the term "azo dye" has its ordinary meaning known in the art. More specifically, the term "azo dye" can be understood as the chromophore containing functional isogroup, i.e. two connected double bond of the nitrogen atom: R-N=N-R'. In variants of the implementation of the groups R and R' are aromatic, which contributes to the stabilization of the group N=N, making it part of an extended delocalized system. As used in isoamsa in the present description, the term "arylamino dye" has its ordinary meaning known in the art. More specifically, the term "arylamino dye" can be understood as the chromophore containing arylamino group, i.e. aryl group containing the adjacent nitrogen atom: Aryl-N(R1)(R2), where R1and R2independently represent hydrogen, alkyl or aryl. In embodiments implementing the alkyl can be linear, branched or cyclic group C1-C12and aryl can contain from 5 to 12 carbon atoms.

In embodiments implementing sensitive to radiation in the near infrared region of the chromophore represents one of the following chromophores, which are commercially available from American Dye Source, Inc. (Baie d'urfe, Quebec, Canada). Sensitive to radiation in the near infrared chromophores of this type are also electron-donating that can be used in a negative printed forms.

In embodiments implementing sensitive to radiation in the near infrared region of the chromophore is an absorbing in the near infrared region of the polymer particles, as described in patent application U.S. No. 2008/0171286, which is incorporated into this description by reference.

In variants of the implementation of the chromophore present which allows a sensitive to radiation in the ultraviolet region of the chromophore, having a strong absorption band in the range from 300 to 450 nm.

Binders

Binders are oligomers or polymers used in the printed form to create a cohesive film CNT superstructure.

The purpose of binders is to create a cohesive film CNT superstructure, which will deteriorate when exposed under the influence of heat/electrons that generate chromophores. It formed the exposed area on the printed form, providing the forms and print. Binders are well known to specialists in this field of technology. The specialist will be clear that the specific nature of binders is not decisive. Connection binders with gallotannins provides a proper cohesive film CNT superstructure while using advantages of using gallotannin or gallotannins connection, as described above. According to the present invention, any well-known specialists binder may replace one or more hydroxyl groups gallotannin.

In embodiments, the implementation of the binders can be oligomers or polymers based on acrylate, methacrylate, vinyl alcohol and its copolymers.

In embodiments, the implementation of CBE the respective substances can be represented as such a binder, as those described in U.S. patent No. 6846614 or 6899994, 7261998, 6461795, 6613494, 6255033, 6541181, 754,462, patent applications U.S. No. 2005/0123853, 2009/0111051, 2007/0808434, 2009/0004599 and international patent applications WO 98/42507, WO 99/11458, WO 2004/020484 and WO 2008/156552, which is incorporated into this description by reference.

Examples of binders include acetylene copolymers. Such acetylene copolymers may have the following chemical structure:

where a, b, c and d represent molar ratios that are equal to 0.60, 0,25, of 0.13 and 0.02, respectively.

where a, b, c and d represent molar ratios that are equal to 0.60, 0,30, of 0.08 and 0.02, respectively.

where x, z, c, d and e represent the number of repeating units, which is equal to 9, 269, 76, 74 and 7, respectively.

where x, z, c, d and e represent the number of repeating units, which is equal to 3, 300, 83, 81 and 8, respectively.

Data binders are commercially available from MyLan Chemicals Inc. (LongDuc Industrial Park, Travinh, Vietnam).

Other examples of binders include polymers of the type novolak. In variants of the implementation of the polymers of the novolak type are polymers, commercially available from Hexion (USA) under the trade names LB9900, LB6564 and PD494, or other commercially available on emery type novolak from Asahi Chemical Specialty (Japan), such as EP6050 and EP4050.

The method of obtaining gallotannins connection

The present invention also relates to a method for gallotannins connection.

The method comprises the stage of: (a) receiving gallotannin and (b) the substitution of one hydroxyl group of gallotannin Deputy where the Deputy is the same as described above.

Compositions for coating printed forms

The present invention also relates to compositions for coating printed forms containing gallotannin or above gallotannins connection.

As noted above, the authors of the present invention have found that adding gallotannin in the previously existing lithographic composition for coating of the printing form and/or join gallotannin to one or more components such previously existing coating composition (by replacing one or more hydroxyl groups gallotannin specified(s) component(s) to obtain gallotannins connection) improves the properties of the coating, such as its adhesion to the substrate and a life that allows you to get more copies compared to similar coatings that do not contain gallotannin or gallotannins connections.

There are numerous examples of previously developed coating compositions in this field. The special is that you know, how to obtain such compositions. On the basis of the present description gallotannins connections, as well as the beneficial effect of using gallotannin and these gallotannic compounds in coating compositions for printing plates, the specialist will be able to easily add gallotannin to any previously existing coating composition and/or attach gallotannin to one or more components of the pre-existing coating composition.

There are numerous components for use in coating compositions, which are described in this area. The specialist knows how to receive these components. In addition, the specialist knows how to choose and combine these components in suitable quantities to obtain a coating composition suitable for his needs. On the basis of the present description gallotannins connections, as well as the beneficial effect of using gallotannin and these gallotannic compounds in coating compositions for printing plates, as noted above, the specialist will be able to easily select and connect the components of the coating composition in suitable quantities to obtain coating compositions that are suitable for its purposes, and, in addition, add gallotannin in such coating compositions and/or attach gallotannin to one or more components such is otravnych compositions.

However, the following General instructions regarding the method of preparing such coating compositions and in the application of gallotannin and/or gallotannic compounds in such compositions.

Options exercise of the coating composition may be sensitive to exposure to radiation. Upon exposure exposure exposure occurs physical or chemical process in the exposed coating produced using the coating composition, so that (1) the exposed areas become different from the unexposed areas, and (2) the manifestation forms an image on a printing form.

Such coating composition may also be used for positive or negative printing plates.

In embodiments, the implementation of a coating composition for a negative or positive printing form contains from about 1 to about 80 wt.% gallotannins connection. In embodiments, the implementation of a coating composition comprises 10, 20, 30, 40, 50, 60 or 70 wt.% or more gallotannins connection. In embodiments, the implementation of a coating composition comprises 70, 60, 50, 40, 30, 20 or 10 wt.% or less gallotannins connection.

In embodiments implementing the composition contains at least 1.0 wt.% gallotannin. When gallotannin used in a positive or negative print the s forms, you should pay attention to not use it in excess, as it dissolves in water and can degrade the characteristics of the coating. As a rule, gallotannin can be used in several mass percent. Options exercise of the coating composition comprises about 3 wt.% gallotannin. It is important to note that this precaution, as a rule, do not apply to gallotannins compounds, which generally have a lower solubility in water than gallotannin (or even not dissolve in water).

The coating composition for a negative lithographic printing plate should usually include at least crosslinker and initiator. In embodiments implementing the composition may contain from about 5 to about 50 wt.% the stapler. In embodiments implementing the composition may contain from about 1 to about 5 wt.% the initiator.

The coating composition for a positive lithographic printing plate should usually include at least a binder and a chromophore. In embodiments implementing the composition may contain from about 50 to about 90 wt.% the binder. In embodiments implementing the composition may contain from about 1 to about 10 wt.% chromophore.

Top comp is stand for positive, and for the negative lithographic printing plate) may also include the adhesion promoters and activators of hydrogen bonds. In embodiments implementing the composition may contain from about 1 to about 5 wt.% the adhesion promoters. In embodiments implementing the composition may contain from about 1 to about 20 wt.% activator of hydrogen bonds.

The coating composition may be sensitive to radiation in the ultraviolet or near-infrared region. If the coating composition is sensitive to ultraviolet radiation, the initiators and/or chromophores, depending on the circumstances, absorb ultraviolet light. If the coating composition is sensitive to radiation in the near infrared region, the initiators and/or chromophores, depending on the circumstances, absorb near infrared light.

In embodiments, the implementation of staplers, initiators, binders, chromophores, the adhesion promoters and activators of hydrogen bonds is used, as described above, with regard to the substituents that can be attached to gallotannin.

In the coating composition staplers, initiators, binders, chromophores, the adhesion promoters and activators of hydrogen bonds can be "stand alone" or can be attached to gallotannin is, as explained above.

The coating composition contains gallotannin and/or one or more gallotannic compounds described above. Options exercise of the coating composition may contain a mixture of gallotannin with one or more gallotannins compounds or a mixture gallotannins connections.

Optional additives

The coating composition may also include optional additives, as described below.

In embodiments, the implementation of a coating composition additionally includes one or more additives. Such supplements can be a film-forming additives, cutabrasives, stabilizers, pigments that absorb in the visible region of the dyes and the like additives. Such additives are well known to specialists in this field. Any optional additives known to the expert, can be used in coating compositions. These additives can be "stand alone" or can be attached to gallotannin education gallotannins connection. The present invention thus also includes gallotannins connection where the Deputy (deputies) is (are) any such Supplement.

Thus, the coating composition may include pigments absorb in the visible region dyes. In embodiments implementing pigme the fact is phtalocyanine blue, dispersed 15:3 in solution acatalog copolymer and 2-methoxypropanol. This product is commercially available from MyLan Chemicals Inc., Travinh, Vietnam. The dispersion of the pigment can be used in the coating composition in amounts comprising from 0.5 to 5 wt.%.

The coating composition may also include cutabrasives to ensure good print image after laser exposure. You can use any cocoordinating, well-known experts in this field, which is suitable for use in compositions according to the present invention. Svetooborudovaniya can be derived triarylamine, Xanten and isobenzofuranone. In variants of the implementation of the selected cutabrasives can be colorless, and then becomes dyed in the presence of free radicals or acids. For example, svetooborudovaniya can be:

- 3',6'-bis[N-[2-chlorophenyl]-N-methylamino]Spiro[2-butyl-1,1-dioxo[1,2-benzisothiazol-3(3H),9'-(9H)xanthene]], obtained by the process according to U.S. patent No. 4345017;

- 3',6'-bis[N-[2-[methanesulfonyl]phenyl]-N-methylamino]Spiro[2-butyl-1,1-dioxo[1,2-benzisothiazol-3(3H),9'-(9H)xanthene]], (obtained by the process according to U.S. patent No. 4345017);

- 9-diethylamino[Spiro[12H-benzo(a)xanthene-12,1'(3'H)-isobenzofuran)-3'-he] (available from BF Goodrich, Canada);

- 2'-di(phenylmethyl)amino-6'-[diethylamino]Speer is[isobenzofuran-1(3H),9'-(9H)xanthene]-3-one, (available from BF Goodrich, Canada);

- 3-[butyl-2-methylindol-3-yl]-3-[1-octyl-2-methylindol-3-yl]-1-(3H)-isobenzofuranone (available from BF Goodrich, Canada);

- 6-[dimethylamino]-3,3-bis[4-dimethylamino]phenyl-(3H)-isobenzofuranone (available from BF Goodrich, Canada);

- 2-[2-octyloxyphenyl]4-[4-dimethylaminophenyl]-6-phenylpyridine (available from BF Goodrich, Canada); or

- lactonase leucogranites, such as Blue-63, GN-169 and Red-40, available from Yamamoto Chemicals Inc., Japan.

Cutabrasives can be used in coating compositions in amounts comprising from about 0.5 to about 5 wt.%.

The coating composition may also include one or more suitable solvents. This promotes the formation of coatings on the substrate. You can use any solvent known to specialists in this area as suitable for this purpose. Non-limiting examples of such a solvent include n-propanol, isopropanol, 2-methoxypropanol, ethylene glycol, water, or their mixture.

Lithographic printing plate and method of their manufacture and use

In another aspect, the present invention relates to a lithographic printing form, comprising a coating, and the coating is a coating obtained from the above-described coating composition.

The coating is precipitated on the substrate. In embodiments implementing podlog is and is an anodized aluminum, plastic film or paper. The aluminum substrate may be testing those with a brush or elektrogennye, then anodized in an acidic solution. Sensitive to near infrared radiation, the coating may have a coverage density from about 0.5 to about 2.5 g/m2.

In the variants of implementation, the coating is sensitive to irradiation floor. Options for implementation may be one or more layers between the substrate and sensitive to the irradiation surface and/or on the surface are sensitive to the irradiation of the coating, as is well known to specialists in this field of technology.

Any such well-known specialists layer can be used in printed forms. The components of these layers can be "stand alone" or can be attached to gallotannin education gallotannins connection. The present invention thus also includes gallotannins compounds, in which the Deputy (deputies represent) any components used in such layers.

For example, polymer accelerating adhesion and/or heat insulating layer may be present between the substrate and is sensitive to near infrared radiation coating. This layer can be obtained from aqueous solutions containing p is lacrilube acid, copolymer of acrylic acid and vinylphosphonic acid or polyvinylformal acid, which is then dried using hot air at a temperature of about 110°C. As noted above, these polymers can be attached to gallotannin, and the present invention includes gallotannins connection with these attached polymers. The density of the coating enhances the adhesion and/or insulating layer may range from approximately 0.1 to approximately 1.0 g/m2.

In another related aspect, the present invention relates to a method of manufacturing a lithographic printing plate, which comprises the following stages: a) the manufacture of the substrate and (b) the application of the coating composition, as defined above, on a substrate. In the variants of implementation, the method further includes a step of coating the substrate polymer accelerating adhesion and/or the insulating layer before stage b).

In another related aspect, the present invention relates to a method of printing, which includes the following stages: a) the manufacture of lithographic printing plates, as defined above, (b) exposing the printing plate exposing radiation, (c) the manifestation of exposed printing plates and d) using the shown printing plate on a printing machine for printing.

In embodiments implementing the exposed pecat the th form shown outside of the printing machine, using water or a developer. In alternative embodiments, the implementation of the exposed form are printed on the machine using a moisturizing solutions and paint.

Some of the compounds described herein can exist as isomers of different types (for example, optical, geometrical and/or positional isomers). The present invention extends to all such isomers.

If not stipulated otherwise in the condition used in the present description, the term "alkyl" means a linear, branched and/or cyclic alkyl group. In other words, the alkyl can include a linear part, a branched part and a cyclic part. An alkyl group can contain from 1 to 12 carbon atoms.

If not stipulated otherwise in the condition used in the present description, the term "aryl" means an aryl group containing from 1 to 3 rings.

If not stipulated otherwise in the condition, in the present description, the values of the mass given in percent calculated on the total dry weight of the coating composition.

As used in the present description, the term "radiation in the near infrared region" means electromagnetic radiation, such as laser radiation having a wavelength from about 700 to about 1100 nm. Non-limiting examples of such radiation near infrakrasnoi area is light, emitted by the diode lasers, which are equipped with phototypesetter output image on the plate plate, available from Creo-Kodak, Dinippon Screen, Heidelberg and Presstek International.

As used in the present description, the term "ultraviolet radiation" means electromagnetic radiation, such as laser radiation having a wavelength from about 300 to about 450 nm. Non-limiting examples of such ultraviolet radiation is the light emitted by lasers based on Nd-YAG and GaN or mercury lamps.

As used in the present description, the term "about" means plus or minus 5% from the numerical values described in this way.

Other objectives, advantages and features of the present invention will become more apparent after reading the following is not restrictive description of specific variants of its implementation, which are given only as examples with reference to accompanying drawings.

Description of exemplary embodiments

The present invention in more detail illustrated by the following non-limiting examples. In these examples used the compounds listed in the following index.

Index

ADS08-008 Absorbing in the NIR dye (supplied by American Dye Source, Inc., Baie d'urfe, Quebec, Canada), with the chemical formula given above.
ADS775PIIodide 2-[2-[2-chloro-3-[2-(1,3-dihydro-1,3 .3m-trimethyl-2H-indoline-2-ilidene)-ethylidene]-1-cyclohexen-1-yl]-ethynyl]-1,3,3-trimethyl-1H-indole, supplier American Dye Source, Inc., Baie d'urfe, Quebec, Canada.
ADS830AT4-Methylbenzenesulfonate 2-[2-[2-chloro-3-[2-(1,3-dihydro-1,3 .3m-trimethyl-2H-Benz[e]indol-2-ilidene)-ethylidene]-1-cyclohexen-1-yl]-ethynyl]-1,3,3-trimethyl-1H-benzo[e]indole, supplier American Dye Source, Inc., Baie d'urfe, Quebec, Canada.
Basic Green 4Absorbing in the visible region of the dye, supplier Spectra Colors, Keamy, New Jersey, USA.
Blue 63Blue cocoordinating, supplier Yamamoto Chemicals Inc., Japan.
BYK 307Modified polyester siloxane copolymer, supplier BYK Chemie, USA.
BYK 336Modified polyester siloxane copolymer, supplier BYK Chemie, USA.
CAPCEI2-Charaterization, supplier Sigma Aldrich Canada.
CN-M01
Cyanomethaemoglobin, supplier American Dye Source, Inc., Baie d'urfe, Quebec, Canada.
CN-M02
4-Vinylanthracene, supplier American Dye Source, Inc., Baie d'urfe, Quebec, Canada.
CN-M04
N-Methoxymethamphetamine, supplier American Dye Source, Inc., Baie d'urfe, Quebec, Canada.
CN-M05
Linked urea statistical copolymer of ethylene glycol and propylene glycol (Mn~800, x=1, y=9), supplier American Dye Source, Inc., Baie d'urfe, Quebec, Canada.
CN-M06
Linked urea statistical copolymer of ethylene glycol and propylene glycol (Mn~850, y=9, x+z=4), the supplier American Dye Source, Inc., Baie d'urfe, Quebec, Canada.
CN-M07
n~2100), supplier American Dye Source, Inc., Baie d'urfe, Quebec, Canada.
Dowanol PM2-Methoxypropanol, supplier Dow Chemicals, USA.
GallotanninGallotannin (tannic acid)supplier Sigma Aldrich, Canada.
GSP90Aqueous alkaline developer for positive thermal printing forms, supplier MyLan Chemicals Inc., Travinh, Vietnam.
HEMA2-hydroxynitriles, supplier Sigma Aldrich Canada.
Klucel EHydroxypropylcellulose, supplier Hercules, USA.
LB9900The novolak polymer (50% solution solids in 2-methoxypropanol), supplier Hexion, USA.
MMEA
N-Methoxymethyl-(1-methyl-2-(2-chloroethyl)amino)-ethylamide, supplier American Dye Source, Inc., Baie d'urfe, Quebec, Canada.
MCI08-P020Acutally copolymer having an average molecular weight of 35,000 g/mol

where a=303, b=83, c=81 and d=8. Molecular Massai molar ratio determined by methods of GPC and 1H-NMR.
MCI09-P009Acutally copolymer having an average molecular weight of 32000 g/mol

where a=278, b=76, c=74 & d=7. Molecular mass and molar relationship has been confirmed by GPC and1H-NMR.
NCO-0450
Formula weight 449,56; solution of 20 wt.% solids in 1,3-dioxolane, supplier American Dye Source, Inc., Baie d'urfe, Quebec, Canada.
NCO-0747
Formula weight 746,82; solution of 20 wt.% solids in 1,3-dioxolane, supplier American Dye Source, Inc., Baie d'urfe, Quebec, Canada.
NCO-1474The mixture of

Formula weight 1474,22; solution of 20 wt.% solids in 1,3-dioxolane, supplier American Dye Source, Inc., Baie d'urfe, Quebec, Canada.
MMAThe methyl methacrylate, supplier Sigma Aldrich Canada.
PD08-001Phtalocyanine blue 15:3, dispersed in acetaldol copolymer (50% pigment and 50% copolymer); a solution of 20 wt.% solids in 2-methoxypropanol is, supplier MyLan Chemicals Inc., Travinh, Vietnam.
PP-06
Polymer particle PP-06, supplier MyLan Chemicals Inc., Travinh, Vietnam.
pTSI
p-Toluensulfonate, supplier Sigma Aldrich, Cananda.
StyreneStyrene, supplier Sigma Aldrich, Canada.
Thermolak® 7525The novolak polymer, supplier American Dye Source, Inc., Baie d'urfe, Quebec, Canada.
Thermolak® 8020Cm. description above in the section relating to the chromophores.
Tuxedo® 600PFBThe mixture of the reactive oligomers iodone, see figure 1(a)-(f), supplier American Dye Source, Baie d'urfe, Quebec, Canada.
Ureido-01
The predecessor of ureidopenicillin, supplier American Dye Source, Inc., Baie d'urfe, Quebec, Canada.
Ureido-02A mixture of the following compounds

Supplier American Dye Source, Inc., Baie d'urfe, Quebec, Canada.
Ureido-NCOA mixture of the following compounds

Supplier American Dye Source, Inc., Baie d'urfe, Quebec, Canada.
V592,2'-Azobis(2-methylbutyronitrile), supplier Wako (USA).

Synthesis gallotannins connections

Syntheses gallotannic compounds were carried out in chetyrehkolkoy glass reaction flask equipped with a water refrigerator, mechanical stirrer, addition funnel and nitrogen gas inlet or oxygen. The molecular structure of the obtained materials was determined by spectroscopy1H-NMR and IR spectroscopy with Fourier transform (FTIR). Spectra gallotannic compounds in the ultraviolet, visible and near infrared regions were recorded in methanol solution using a spectrophotometer model PC (Shimazu).

Synthesis gallotannic compounds for use in negative print forms

Gallotannins connection with staplers

EXAMPLE 1

Gallotannins connection RGT-01, presented in figure 2, was synthesized by slow addition of 155 g of 2-isocyanatoacetate (10 equivalents) in 500 g of anhydrous 1,3-dioxolane in the reaction flask containing 800 g of anhydrous 1,3-dioxolane, in which the solution is about USD 170.1 g gallotannin (1 equivalent) and 0.5 g of dilaurate dibutylamine, at 50°C under oxygen atmosphere with constant stirring. After 30 hours of reaction a sample of the reaction mixture were taken from the reaction flask, and its FTIR spectrum collected in tablets with KBr showed no peak-N=C=O at 2274 cm-1that testified to the completion of the reaction. The solids content RGT-01 brought up to 20 wt.%, using 1,3-dioxolane.

EXAMPLE 2

Gallotannins connection RGT-02, presented on figure 3, was synthesized by slow addition of 42.0 g of sodium hydride (10.5 equivalents) in a reaction flask containing 500 g of anhydrous N,N-dimethylacetamide, which was dissolved USD 170.1 g gallotannin, in nitrogen atmosphere with constant stirring. After about three hours the release of gaseous hydrogen as a by-product was discontinued, and the solution containing 300 g of N,N-dimethylacetamide and 209 g MMEA (10 equivalents)was slowly added to the reaction mixture. The reaction was stopped after 10 hours at 50°C. the Solvent was removed to dryness in vacuo using a rotary evaporator. The obtained solid substance was dissolved in anhydrous 1,3-dioxolane, receiving a solution containing 20% solids. By gravity filtration of the separated sodium chloride as a by-product.

EXAMPLE 3

Synthesis of Gallo-25X carried out by slow addition of 150 g of a solution in 1,3-dioxolane containing or 37.4 g of the NCO-0747, to a mixture containing 100 g of 1,3-dioxolane, 17.0 g of gallotannin and 0.1 g of dilaurate dibutylamine, in oxygen atmosphere with constant stirring at 57°C. After 5 hours the reaction sample was collected from the reaction mixture for analysis by FTIR method. Line stretching vibrations group-NCO at 2210 cm-1disappeared, which indicated completion of reaction. The solution was diluted with 1,3-dioxolane content of solid substances of 20 wt.%, getting the solution ready for use in the coating of printed forms. The ideal chemical structure Gallo-25X presented in figure 4.

Gallotannins connection with the initiators

Initiators sensitive to thermal radiation of printed forms

EXAMPLE 4

Synthesis gallotannins compounds containing as Deputy salt iodone, Gallo-Iodo, for use as sensitive to thermal radiation free radical initiator, was carried out by slow addition of 300 g of 1,3-dioxolane containing 73,8 g NCO-1474 and 0.1 g of dilaurate dibutylamine, to a mixture containing 100 g of 1,3-dioxolane and 17.0 g of gallotannin, in nitrogen atmosphere with constant stirring at 60°C. After 5 hours the reaction sample was collected from the reaction mixture for analysis by FTIR method. Line stretching vibrations group-NCO at 2210 cm-1disappeared, which indicated completion of reaction. The solution was diluted with 1,3-dioxolane content of 0 wt.% solids, getting the solution ready for use in the coating of printed forms. The ideal chemical structure Gallo-Iodo presented in figure 5.

Initiators sensitive to UV irradiation print forms

EXAMPLE 5

Gallotannins compound containing triazine Deputy as sensitive to ultraviolet radiation free radical initiator was synthesized by slow addition of 150 g of 1,3-dioxolane, which was dissolved in 22.5 g of the NCO-0450, to a mixture containing 100 g of 1,3-dioxolane and 17.0 g of gallotannin, in nitrogen atmosphere with constant stirring at 60°C. After 5 hours the reaction sample was collected from the reaction mixture for analysis by FTIR method. Line stretching vibrations group-NCO at 2270 cm-1disappeared, which indicated completion of reaction. The solution was diluted with 1,3-dioxolane content 20 wt.% solids getting the solution ready for use in the coating of printed forms. The ideal chemical structure Gallo-Triazine presented on Fig.6.

Synthesis gallotannic compounds for use in negative and positive print forms

Gallotannins connection with the adhesion promoters

EXAMPLE 6

Gallotannins connection RGT-03 presented on Fig.7, synthesized by slow addition of 79,0 g of 4-cyanobenzaldehyde (5 equivalents) and 77.5 g of 2-ISO is anatomicallycorrect (5 equivalents) in 500 g of anhydrous 1,3-dioxolane in the reaction flask, containing 800 g of anhydrous 1,3-dioxolane, which was dissolved USD 170.1 g gallotannin (1 equivalent) and 0.5 g of dilaurate dibutylamine at 50°C in oxygen atmosphere with constant stirring. After 10 hours of reaction a sample of the reaction mixture were taken from the reaction flask and its FTIR spectrum collected in tablets with KBr showed no peak-N=C=O at 2274 cm-1that testified to the completion of the reaction. The solids content RGT-03 brought up to 20 wt.%, using 1,3-dioxolane.

Gallotannins connection with activators of hydrogen bonds

EXAMPLE 7

Gallotannins connection RGT-04, presented at Fig, synthesized by slow addition of 69,8 g Ureido-01 (2 equivalent) and 77.5 g of 2-isocyanatoacetate (5 equivalents) in 500 g of anhydrous 1,3-dioxolane in the reaction flask containing 800 g of anhydrous 1,3-dioxolane, which was dissolved USD 170.1 g gallotannin (1 equivalent) and 0.5 g of dilaurate dibutylamine, at 50°C in oxygen atmosphere with constant stirring. After 10 hours of reaction a sample of the reaction mixture were taken from the reaction flask and its FTIR spectrum collected in tablets with KBr showed no peak-N=C=O at 2274 cm-1that testified to the completion of the reaction. The solids content RGT-04 brought up to 20 wt.%, using 1,3-dioxolane.

EXAMPLE 8

Synthesis gallotannins connection MCI09-M090 was carried out by izlenim the addition of a mixture containing 200 g of 1,3-dioxolane and 70.0 g Ureido-NCO, in a solution containing 100 g of 1,3-dioxolane, 17,01 g gallotannin and 0.10 g of dilaurate dibutylamine, in nitrogen atmosphere with constant stirring at 50°C. the Reaction mixture is then stirred for another 10 hours. The sample was collected from the reaction mixture. FTIR spectrum was shot in tablets with KBr. Peak-NCO at 2210 cm-1not seen in this FTIR spectrum, which indicated completion of reaction. The product was besieged by adding 2 l of water was filtered and washed with plenty of water. Then it was air-dried to constant weight, getting pale yellow powder. The ideal chemical structure is presented in Fig.9.

EXAMPLE 9

Synthesis gallotannins connection MCI09-H01 was carried out by slow addition of a mixture containing 200 g of 1,3-dioxolane and 20.0 g Ureido-02, in a solution containing 100 g of 1,3-dioxolane, 17,01 g gallotannin and 0.10 g of dilaurate dibutylamine, in nitrogen atmosphere with constant stirring at 50°C. the Reaction mixture is then stirred for another 10 hours. The sample was collected from the reaction mixture. FTIR spectrum was shot in tablets with KBr. Peak-NCO at 2210 cm-1not seen in this FTIR spectrum, which indicated completion of reaction. The product was besieged by adding 2 l of water was filtered and washed with plenty of water. Then it was air-dried to constant weight, getting pale yellow is Orasac. The ideal chemical structure is presented in figure 10.

EXAMPLE 10

Synthesis gallotannins connection MCI09-H02 carried out by slow addition of a mixture containing 200 g of 1,3-dioxolane and 10.0 g of p-toluensulfonate, in a solution containing 100 g of 1,3-dioxolane, 17,01 g gallotannin and 0.10 g of dilaurate dibutylamine, in nitrogen atmosphere with constant stirring at 50°C. the Reaction mixture is then stirred for another 10 hours. The sample was collected from the reaction mixture. FTIR spectrum was shot in tablets with KBr. Peak-NCO at 2210 cm-1not seen in this FTIR spectrum, which indicated completion of reaction. The resulting solution was ready for use in coating compositions. The ideal chemical structure represented by figure 11.

EXAMPLE 11

Synthesis gallotannins connection MCI09-H03 carried out as follows. In the first reaction flask, a mixture containing 200 g of 1,3-dioxolane and 10.0 g of 2-chlorotriazine, was added to a solution containing 100 g of 1,3-dioxolane, 17,01 g gallotannin and 0.10 g of dilaurate dibutylamine, in nitrogen atmosphere with constant stirring at 50°C. the Reaction mixture was then stirred for 10 hours. The sample was collected from the reaction mixture. FTIR spectrum was shot in tablets with KBr. Peak-NCO at 2210 cm-1not seen in this FTIR spectrum, which indicated completion of reaction.

In other reactions the second flask 3.00 g of potassium hydroxide was added to the solution, containing 50 g of ethanol and 11.6 g of 5,5-dimethylhydantoin. The reaction mixture was stirred at 40°C for 4 hours. Then it was cooled to room temperature. The resulting mixture was added to the mixture in the first reaction flask. The combined mixture was heated at 40°C for 10 hours. The product was besieged by adding 2 l of water was filtered and washed with plenty of water. Then it was air-dried to constant weight, getting pale yellow powder. The ideal chemical structure is presented in Fig.

Gallotannins dendrimers

EXAMPLE 12

Gallotannins connection MCI09-M040 first received in the form of an intermediate product. The synthesis was carried out by slow addition of 50 g of a solution in 1,3-dioxolane containing a 5.25 g of 2-chlorotriazine and 0.05 g of dilaurate dibutylamine, 350 g of a solution in 1,3-dioxolane containing 85,05 g gallotannin, in nitrogen atmosphere with constant stirring at 60°C. the Reaction was completed in 5 hours, as evidenced by the disappearance of the peak-NCO at 2270 cm-1in the FTIR spectrum. The ideal structure of this compound is presented on Fig.

Synthesis gallotannins dendrimers MCI09-D001 carried out by slow addition of 2.00 g of sodium hydride (60% in mineral oil) to the mixture of 300.0 g of 1,3-dioxolane and 17.0 g of gallotannin, in nitrogen atmosphere with constant stirring at 5°C. When he disappeared bubbles of hydrogen, the mixture containing 400 g of 1,3-dioxolane and 90,30 g gallotannins connection MCI09-M040, was slowly added to the reaction mixture and continued stirring at 50°C for another 10 hours. Then a mixture containing 100 g of 1,3-dioxolane, or 34.7 g Ureido-NCO and 0.1 g of dilaurate dibutylamine, was slowly added to the reaction mixture. Stirring is continued at 60°C for 10 hours. FTIR spectrum of the reaction mixture showed no peak group-NCO at 2210 cm-1that testified to the completion of the reaction. The product was besieged by adding 5 l of water was filtered and washed with plenty of water. Then it was air-dried to constant weight, getting pale yellow powder. The ideal chemical structure gallotannins dendrimers MCI09-D001 presented on Fig.

Synthesis gallotannic compounds for use in the positive print forms

Gallotannins compounds with chromophores

Molecular chromophores that absorb in the near infrared region

EXAMPLE 13

Gallotannins connection MCI09-M100, which comprises absorbing in the near infrared region of the molecular chromophore was synthesized by slow addition of 90 g of sodium hydride (60% in mineral oil, supplier Sigma Aldrich, Canada) in a reaction mixture containing 5000 g DMSO and 1,000 g of gallotannin, in nitrogen atmosphere with constant stirring. the hen was gone bubbles of gaseous hydrogen, 375 g ADS775PI and 1125 g ADS830AT was slowly added to the reaction mixture. The mixture continued to stir at 60°C for 20 hours. The dark green product was besieged in 20 l of water containing 0.5 M perchloro acid, and then was filtered and washed with plenty of water. Absorbing in the near infrared region gallotannins connection MCI09-M100 was air-dried to constant weight. Its spectrum in the ultraviolet, visible and near infrared part of spectrum in methanol showed a strong absorption band in the near infrared region at 800 nm, indicating that the covalent bond absorbing in the near infrared region of the chromophore in gallotannin. The ideal chemical structure MCI09-M100 presented on Fig.

EXAMPLE 14

Gallotannins connection MCI09-M102 presented on Fig, was obtained in the same way.

Polymer absorbing in the NIR chromophores

EXAMPLE 15

Gallotannins connection MCI09-P200 synthesized by slow addition of 1.20 g of sodium hydride (60% in mineral oil) to 270 g of DMSO, which was dissolved 30.0 g acatalog copolymer MCI09-P009, in nitrogen atmosphere with constant stirring at 40°C. When he disappeared bubbles of hydrogen gas, a mixture of 5.40 g gallotannins connection MCI09-M040 and 30 g of DMSO was slowly added to the reaction mixture. After 5 hours re is eshiwani at 60°C a sample of the reaction mixture were taken for analysis by GPC method, which showed that MCI09-040 covalently bound to the main chain MCI09-P009. Then the reaction mixture was slowly added 1.70 g ADS830AT. Stirring is continued at 60°C for another 16 hours. The average molecular weight MCI09-009 increased from approximately to approximately 32000 42000, also testified covalent binding MCI09-040 main chain MCI09-009. Dark green solid product was besieged in 2 l of water and then was filtered and washed with plenty of water. Gallotannins connection was air-dried to constant weight. The ideal structure MCI09-P200 presented on Fig, where x=3, y=3, z=269, c=76, d=74 & e=7.

Fig. 18 represents the spectra in the ultraviolet, visible and near-infrared ranges of solutions MCI09-P200 and ADS830AT 2-methoxypropanol. The maximum absorption peaks MCI09-P200 and ADS830AT was at 800 nm and 815 nm. The shift of the maximum absorption in the wavelength region shows that absorb in the near infrared region of the chromophore covalently linked to acetylenyl copolymer.

EXAMPLE 16

Gallotannins connection MCI09-P204 presented on Fig, where a=0,01, b=0.95 and c=0.04) was synthesized in a similar manner.

Ultraviolet chromophores

EXAMPLE 17

Synthesis of Gallo-NDQ carried out by slow addition to 8.20 g of N-methylmorpholine to 200 g of 1,3-dioxolane, which was dissolved 14.8 g of (1,2-naphthoquinone-2-dia is ID)-4-sulphonylchloride and 17.0 g of gallotannin, in nitrogen atmosphere with constant stirring at 25°C. After 5 hours the product was besieged by adding 2 l of water containing 0.1 G. of hydrochloric acid. Yellowish solid powder was filtered, washed with plenty of water and dried in air to constant mass. The ideal chemical structure Gallo-NDQ presented on Fig.

Gallotannins connection with binders

EXAMPLE 18

Gallotannins connection MCI09-P052 synthesized by slow addition of 0.40 g of sodium hydride (60% in mineral oil) to 90 g of DMSO, which was dissolved 10 g acatalog copolymer MCI09-P009, in nitrogen atmosphere with constant stirring at 40°C. When he disappeared bubbles of hydrogen gas, a mixture of 10.8 g gallotannins connection MCI09-M040 and 10 g of DMSO was slowly added to the reaction mixture. Stirring is continued at 60°C for another 20 hours. Fig. 21 is helpanimals chromatogram MCI09-P009 before and after the reaction with 6 equivalents MCI09-M040. The average molecular weight MCI09-P009 increased from 32000 g/mol to about 48000 g/mol, indicating that MCI09-M040 covalently bound to the main chain of the copolymer MCI09-P009. Pale solid product was besieged by adding 2 l of water was filtered and washed with plenty of water. Gallotannins connection was then air-dried to constant weight. The ideal is the structure MCI09-P052 presented on Fig, where x=9, z=269, c=76, d=74 & e=7.

EXAMPLE 19

Gallotannins connection MCI09-P054 presented on Fig, where a=9, b=269, c=76, d=74 & e=7, received in the same way.

EXAMPLE 20

Gallotannins connection MCI09-P056 presented on Fig, where a=3, b=300, c=83, d=81 & e=8 was obtained in the same way.

EXAMPLE 21

Gallotannins connection MCI09-P058 synthesized by slow addition of 0.40 g of sodium hydride (60% in mineral oil) to 90.0 g DMSO, which was dissolved 10.0 g acatalog copolymer MCI08-P020, in nitrogen atmosphere with constant stirring at 40°C. When he disappeared bubbles of hydrogen gas, a mixture of 5.40 g gallotannins connection MCI09-M040 and 10.0 g of DMSO was slowly added to the reaction mixture. Stirring is continued at 60°C for another 20 hours. Fig. 25 is helpanimals chromatogram MCI08-P020 before and after reaction with 3 equivalents MCI09-M040. The average molecular weight MCI09-P09 increased from 32000 g/mol to about 48000 g/mol, indicating that MCI09-M040 covalently bound to the main chain of the copolymer MCI08-P020. Pale solid product was besieged by adding 2 l of water, and then was filtered and washed with plenty of water. Gallotannins connection was air-dried to constant weight. The ideal structure MCI09-P058 presented on Fig, where x=3, z=300, c=83, d=81 & e=8.

Gallotannins connection with a binder is exectly and absorbing in the near infrared region of the chromophore

EXAMPLE 22

Gallotannins connection MCI09-P208, which was presented on Fig, where a=9, b=269, C=76, d=74 & e=7, synthesized by slow addition of 10 g of sodium hydride (60% in mineral oil, supplier Sigma Aldrich, Canada) in a reaction mixture containing 1000 g of DMSO and 15.7 g of gallotannin, in nitrogen atmosphere with constant stirring. When he disappeared bubbles of gaseous hydrogen, 3.75 g of iodide, 2-[2-[2-chloro-3-[2-(1,3-dihydro-1,3 .3m-trimethyl-2H-indoline-2-ilidene)ethylidene]-1-cyclohexen-1-yl]ethynyl]-1,3,3-trimethyl-1H-indole and of 11.25 g of 4-methylbenzenesulfonate 2-[2-[2-chloro-3-[2-(1,3-dihydro-1,3 .3m-trimethyl-2H-Benz[e]indol-2-ilidene)ethylidene]-1-cyclohexen-1-yl]-ethynyl]-1,3,3-trimethyl-1H-benzo[e]indole was slowly added to the reaction mixture. Then 5000 g of DMSO, which was dissolved 980 g CI09-030, was slowly added to the reaction mixture. Stirring is continued at 60°C for another 20 hours. The dark green product was besieged by adding 20 l of water containing 0.5 M perchloric acid, and then was filtered and washed with plenty of water. Gallotannins connection MCI09-P208 was air-dried to constant weight. The spectrum of the methanol solution of this compound in the ultraviolet, visible and near infrared regions contained a strong absorption band in the near infrared region at 800 nm, indicating that absorb in the near infrared region of the chromophore covalently bound to the points the user with gallotannins.

EXAMPLE 23

Gallotannins connection MCI09-P202 presented on Fig, where a=3, b=300, c=83, d=81 & e=8 was obtained in the same way.

EXAMPLE 24

Gallotannins connection MCI09-P206 presented on Fig, where a=0,04, b=0.30 c=0,66, was obtained in the same way.

The synthesis of polymer particles for use in lithographic printing forms

Synthesis of polymer particles was carried out in chetyrehkolkoy glass reaction flask equipped with a water refrigerator, mechanical stirrer, addition funnel and nitrogen gas inlet or oxygen. The molecular structure of the obtained materials was determined by the methods of1H-NMR and FTIR spectroscopy. The average molecular weight of the obtained copolymer was determined by means of gel chromatography (GPC)using a solution in N,N-dimethylformamide (DMF) and calibrated on polystyrene standards. The size of polymer particles was determined by analyzer particle size 90PLUS model (supplied by Brookhaven Instruments Corporation).

Polymer particle PP-01, including the polymer represented on Fig, was synthesized by heating a mixture of 80 g of n-propanol and 45 g of deionized water in which was dissolved 4,50 g of monomer CN-M05, at 8.60 g CN-M02, 4.0 g of cyanoacetamide ethyl methacrylate, 2,60 g HEMA and 11,21 g of methacrylate in one litre chetyrehkolkoy flask at 75°C in nitrogen atmosphere at a constant displacement is Ivanyi. After heating for 30 minutes the reaction mixture was added 0.4 g V59. The solution became turbid during polymerization for 30 minutes. After polymerization for 10 hours at 75°C in the reaction mixture were added 0.5 g V59 and polymerization was continued for another 14 hours. In the reaction mixture were injected air and stirring at 75°C was continued for another 2 hours to complete polymerization. Molecular weight PP-01, determined in a solution of tetrahydrofuran was approximately 43000 with the polymer dispersion, equal to 2.5. A specific particle size was approximately 240 nm with a dispersion of 0.15. The ideal structure of polymer PP-01 presented at Fig, where a=0,30, b=0,10, c=0,01, d=0,58, e-value=0.01, x=1 and y=9.

The synthesis of polymer particles PP-02 was carried out in a manner analogous to the method of synthesis of polymer particles PP-01, except that instead of 4.5 g CN-M05 used 4,80 g CN-M06. Molecular weight PP-02, determined in a solution of DMF was approximately 47,000 with a dispersion of polymer equal to 3.1. A specific particle size was approximately 220 nm with a dispersion of 0.12. The ideal structure of polymer PP-02 presented at Fig, where a=0,30, b=0,10, c=0,01, d=0,58, e-value=0.01, x+z=6 and y=9.

The synthesis of polymer particles PP-07 carried out in a manner analogous to the method of synthesis of polymer particles PP-01, except that instead of 4.5 g CN-M05 used to 11.8 g CN-M07 Molecular weight PP-03, defined in the DMF solution was approximately 38000 with the polymer dispersion, equal to 2.3. A specific particle size of approximately 180 nm with a dispersion of 0.10. The ideal structure of polymer PP-03 presented at Fig, where a=0,30, b=0,10, c=0,01, d=0,58, e=0.01 and x=25.

Polymer particle PP-06 synthesized by heating a mixture is 95.2 g of n-propanol and 40.8 g of deionized water in which was dissolved in 19.6 g CN-M01, 4,50 g of monomer CN-M05, 3,10 g of styrene, 0.85 grams CN-M04 and 6,70 g of methyl methacrylate (MMA)in one litre chetyrehkolkoy flask at 75°C in nitrogen atmosphere with constant stirring. After heating for 30 minutes the reaction mixture was added 0.4 g V59. The solution became turbid during polymerization for 30 minutes. After polymerization for 10 hours at 75°C in the reaction mixture were added 0.5 g V59 and polymerization was continued for another 14 hours. In the reaction mixture were injected air and stirring at 75°C was continued for another 2 hours to complete polymerization. Molecular weight PP-06, determined in a solution of tetrahydrofuran was approximately 32000 dispersion of polymer equal to 2.2. A specific particle size was approximately 250 nm with a dispersion of 0.15. A solid mass of polymer particles PP-06 was diluted with a mixture of water and isopropyl alcohol (IPA) with a mass ratio of 25:75 to content 20 wt.% the solids. The IDA is supplemented flax structure PP-06 presented at Fig, where a=0,50, b=0,15, c=0,01, d=0,33, e=0,05, m=9 and n=1.

Polymer particle PP-03, the General structure of which is presented below:

where a=0,50 (100 mmol), b=0,15 (30 mmol), c=0,02 (4 mmol), d=0,30 (60 mmol), e=0,03 (6 mmol), x=1 and y=9, and where R1 represents H, R2 represents a methyl group, R3 represents-O-C2H4-OH, was synthesized by heating a mixture of 46 g of n-propanol and 107 g of deionized water in which were dissolved the corresponding monomers, in one litre chetyrehkolkoy flask at 75°C in nitrogen atmosphere with constant stirring with a high shear. After heating for 30 minutes the reaction mixture was added 0.4 g V59. The solution became turbid during polymerization for 60 minutes. After polymerization for 10 hours at 75°C in the reaction mixture were added 0.5 g V59 and polymerization was continued for another 14 hours. In the reaction mixture were injected air and stirring at 75°C was continued for another 2 hours to complete polymerization. The molecular weight of the obtained polymer particles was determined in a solution of tetrahydrofuran. It was 32000 g/mol. Particle size was determined in a solution of a mixture of isopropanol and water with a mass ratio of 30:70. He was 290 nm.

Negative sensitive to near infrared radiation lithographic printing plates

Printing plates made and tested as follows. Form coating was exposed using a photo machine Screen PlateRite 8600S, equipped with lasers with a wavelength of 830 nm. Exposed forms set on duplicating printing press AB Dick with black paint (provider Pacific Inks, Vietnam) and fountain solution containing 3,0 part MYLAN-FS100 in 97,0 parts of water (provider MyLan Chemicals Inc., Vietnam).

EXAMPLE 25

The coating solution of the following composition was applied on electrosurgery anodized in sulfuric acid aluminum substrate using a spiral wire bar, and dried at 80°C hot air. The density of the coating was approximately 1.0 g/m2.

The form exhibited at 100-250 MJ/cm2and mounted on the printing press AB Dick. High-quality printed image was obtained on the paper after 10 prints. The form can be used to print more than 25000 copies of high resolution. Exposed form can also be printed out of the machine using water, resin solution WG100 (vendor Agfa, Belgium) or the developer SP200 (provider Kodak, USA).

EXAMPLE 26

The coating solution of the following composition was applied on testing those brush anodized in phosphoric acid aluminum substrate using a spiral wire bar, and dried at 80°C hot air. Density shall receive the frame coverage of approximately 1.0 g/m 2.

The form exhibited at 100-250 MJ/cm2and mounted on the printing press AB Dick. High-quality printed image was obtained on the paper after 10 prints. The form can be used to print more than 25000 copies of high resolution. Exposed form can also be printed out of the machine using water, resin solution WG100 (vendor Agfa, Belgium) or the developer SP200 (provider Kodak, USA).

EXAMPLE 27

The coating solution of the following composition was applied on electrosurgery anodized in sulfuric acid aluminum substrate using a spiral wire bar, and dried at 80°C hot air. The density of the coating was approximately 1.0 g/m2.

The form exhibited at 100-250 MJ/cm2and mounted on the printing press AB Dick. High-quality printed image was obtained on the paper after 10 prints. The form can be used to print more than 25000 copies of high resolution. Exposed form can also be printed out of the machine using water, resin solution WG100 (vendor Agfa, Belgium) or the developer SP200 (provider Kodak, USA).

EXAMPLE 28

The coating solution of the following composition was applied on electrosurgery anodized in sulfuric acid aluminum substrate, COI is lsua spiral wire rod, and dried at 80°C hot air. The density of the coating was approximately 1.0 g/m2.

The form exhibited at 100-250 MJ/cm2and mounted on the printing press AB Dick. High-quality printed image was obtained on the paper after 10 prints. The form can be used to print more than 25000 copies of high resolution. Exposed form can also be printed out of the machine using water, resin solution WG100 (vendor Agfa, Belgium) or the developer SP200 (provider Kodak, USA).

EXAMPLE 29

The coating solution of the following composition was applied on electrosurgery anodized in sulfuric acid aluminum substrate using a spiral wire bar, and dried at 80°C hot air. The density of the coating was approximately 1.0 g/m2.

The form exhibited at 100-250 MJ/cm2and mounted on the printing press AB Dick. High-quality printed image was obtained on the paper after 10 prints. The form can be used to print more than 25000 copies of high resolution. Exposed form can also be printed out of the machine using water, resin solution WG100 (vendor Agfa, Belgium) or the developer SP200 (provider Kodak, USA).

COMPARATIVE EXAMPLE 1

Coverage of p is the target of the following composition was applied on electrosurgery anodized in sulfuric acid aluminum substrate, using spiral wire bar, and dried at 80°C hot air. The density of the coating was approximately 1.0 g/m2.

The form exhibited at 100-250 MJ/cm2and mounted on the printing press AB Dick. High-quality printed image was obtained on the paper after 10 prints. The form can be used to print less than 5000 copies of high resolution. Exposed form can also be printed out of the machine using water, resin solution WG100 (vendor Agfa, Belgium) or the developer SP200 (provider Kodak, USA).

EXAMPLE 30

Negative sensitive to thermal irradiation printing plate produced using the following solution for coating. It is applied to the anodized aluminum substrate using a spiral wire bar, then dried with hot air at 80°C for three minutes, getting the coverage density of about 1.0 g/m2. The form exhibited when the energy density of 100 to 200 MJ/cm2and showed, using as the developer an aqueous solution for washing GSN50 (provider MyLan Chemicals Inc., Travinh, Vietnam) and the washing unit Azura C95 at a speed of 500 mm/min. Was obtained a clear image. His form was mounted on the printing machine SpeedMaster 74 (Heidelberg, Germany) and provided print more than 25000 copies allowed high who I am on paper.

Positive sensitive to near infrared radiation lithographic printing plates

Coating compositions comprising the above gallotannins compounds were obtained by dissolving the ingredients of the coating 2-methoxypropanol (Dowanol PM), containing 0.01% of BYK 307. The solution for coating was filtered three times through a filter with holes of 0.2 μm. Did using the device for coating with slot die at a speed of 10 m/min, on an aluminum substrate. Form was dried at 120°C for 5 minutes using an oven with hot air. The aluminum substrate was subjected to elektrotechniniu and anodized in hydrochloric acid and sulfuric acid, respectively. Then it was treated with an aqueous solution of NaF/NaH2PO4at 70°C in order to improve its hydrophilicity. The surface roughness (Ra) and the density of the oxide film of the aluminum substrate was approximately 0.50 and 2.50 g/m2, respectively. The density of the coating brought up to 1.7 g/m2. Form coated kept in rooms with air-conditioned at 25°C. for at least 10 days before the quality assessment of exposure and printing.

Forms exhibited using photo machine (PlateRite 8600S, supplier Dinippon Screen, Japan), with 50-100% of the laser power with a step of laser power 2% and the speed of rotation the drum 700 rpm Exposed forms were shown at 23°C and 30 second duration, using the developer GSP90 (provider MyLan Chemicals Inc., Travinh, Vietnam) and the processor Tung Sung 88.

In the table below:

- CE indicates correct exposure, i.e. the required laser power to achieve the same level of 50% of the points on the test target and the manifested forms.

- CP means net exposure, i.e. the required laser power to achieve a clean background or level 0% of points shown on the form.

- CDL means the percentage (%) loss of the coating on the unexposed areas resulting manifestations. The CDL value was calculated by measuring the optical density in the blue light on the unexposed area before and after development by the developer GSP90 at 30-second processing, and 22°C.

- Resistance to IPA was investigated by immersing the form in an aqueous solution containing 25 wt.% isopropanol at 25°C to the observed destruction of the coating.

Printing tests were carried out using four-color printing machine (Speed Master 74, Heidelberg, Germany). The number of copies was determined at 10% early damage points when peeling.

Examples 31-43

Examples 44-47

A positive printing form using unmodified gallotannin

The negative feeling is cvetelina to ultraviolet irradiation of a lithographic printing form

EXAMPLE 48

The negative is sensitive to ultraviolet radiation lithographic printing plate containing the above-described Gallo-Triazine, were received from the following composition:

This composition was applied to the anodized aluminum substrate using a spiral wire bar, and dried using hot air at 90°C and receiving the coverage density of about 1.0 g/m2. The form was exposed using ultraviolet photo machine XPose! 230 (provider Luscher, Switzerland), when the energy density of from 10 to 50 MJ/cm2. Exposed form then showed, using as the developer an aqueous solution for washing GSN50 (provider MyLan Chemicals Inc., Travinh, Vietnam) and the washing unit Azura C95 at a speed of 500 mm/min, and receiving a high-resolution image with a clean background. His form was mounted on the printing machine SpeedMaster 74 (Heidelberg, Germany), receiving more than 20,000 printed copies of high resolution.

Positive is sensitive to ultraviolet radiation lithographic printing form

EXAMPLE 49

Positive is sensitive to ultraviolet radiation lithographic printing plate containing Gallo-NQD, were received from the following composition:

This composition was applied to the anodized aluminum substrate using the spiral of the second wire rod, and dried using hot air at 90°C and receiving the coverage density of about 1.5 g/m2. The form was exposed using ultraviolet photo machine XPose! 230, (provider Luscher, Switzerland), when the energy density of from 80 to 200 MJ/cm2. Exposed form then showed, using the developer GSP90 and processor Tung Sung 88 with a 30-second processing, and receiving a high-resolution image with a clean background. His form was mounted on the printing machine SpeedMaster 74 (Heidelberg, Germany), receiving more than 100,000 printed copies of high resolution.

Although the present invention has been described above using specific variants of its implementation, it can be modified without deviating from the essence and nature of the subject invention, as defined in the attached claims.

References

In the present description provides links to a number of documents, the contents of which are fully incorporated in the description by means of these links.

1. Gallotannins connection involving gallotannin

in which at least one hydroxyl group substituted by a Deputy, and the Deputy enables the molecule, oligomer or polymer, which is used in coatings, lithographic printing plates, gallotannin or other gallotannins with the unity, in fact the Deputy is mentioned substituents associated with gallotannins directly or through a connecting group.

2. Gallotannins compound according to claim 1, molecular weight which is more than 1702 g/mol.

3. Gallotannins compound according to claim 1, in which more than one hydroxyl group gallotannin substituted by the mentioned substituents, and the substituents replacing each of the hydroxyl groups are the same or different from each other.

4. Gallotannins compound according to claim 1, in which the Deputy is Deputy correlate directly with gallotannins.

5. Gallotannins compound according to claim 1, in which the Deputy is Deputy associated with gallotannins through a connecting group.

6. Gallotannins connection according to claim 5, in which the connecting group is an alkyl group, optionally comprising one or more ester groups, simple groups of ether, amine groups, aminogroup, urea groups, urethane groups, sulfonamidnuyu groups or functional groups.

7. Gallotannins compound according to claim 1, in which the Deputy (deputies) include(s):
a) stapler,
b) initiator,
c) adhesion promoters,
d) an activator of hydrogen bonds,
e) the chromophore,
f) binder,
g) the NY other molecules, the oligomers or polymers, which are used in coatings and lithographic printing plates,
h) gallotannin or
i) other gallotannins connection.

8. Gallotannins compound according to claim 1, in which gallotannins compound represented by formula

where each group R1independently represents a hydroxyl group or includes one or more of the following compounds:
a) stapler,
b) initiator,
c) adhesion promoters,
d) an activator of hydrogen bonds,
e) the chromophore and
f) binder,
(g) any other molecules, oligomers or polymers, which are used in coatings and lithographic printing plates,
h) gallotannin or
i) other gallotannins connection,
and optionally includes a connecting group,
provided that at least one group R1does not represent a hydroxyl group.

9. Gallotannins connection of claim 8, in which the stapler includes a functional group that can react stitching on the mechanism of radical polymerization.

10. Gallotannins connection of claim 8, in which the stapler includes a functional group that can react stitching on the mechanism of cationic polymerization.

11. Gallotannins connection of claim 8, in which the activator of hydrogen bonds includes Odori several alkyl and/or aryl groups, and in which the alkyl and/or aryl groups include one or more functional groups capable of forming hydrogen bonds, and alkyl and/or aryl groups optionally contain as substituents alkyl, aryl, alkylaryl and/or poly(allenglish).

12. Gallotannins compound according to any one of claims 1 to 11 for use in the coating compositions for the coating of printed forms.

13. Gallotannins connection section 12, where this coating composition includes from about 1 to 40 wt.% specified gallotannins connection.

14. Gallotannins compound according to any one of claims 1 to 11 for use in lithographic printing form.

15. The method of obtaining gallotannins compound defined in any one of claims 1 to 11, which comprises the following stages:
a) obtaining gallotannin

b) replacing at least one hydroxyl group gallotannin Deputy where the Deputy is a compound described in any one of claims 1 to 11.



 

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8 cl, 19 ex, 1 tbl

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19 cl, 4 tbl, 9 ex

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15 cl, 1 tbl, 99 ex

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9 cl, 4 tbl, 11 dwg

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