Ink for plastic carrier

FIELD: printing.

SUBSTANCE: carrier based on high-density polymer is decorated with ink for printing, comprising at least one pigment and one binder. The binder is an oxygenised polyolefin wax in the form of an aqueous emulsion, and the wax has a Brookfield viscosity of less than 5000 mPa*s at 150°C and a pH level of 28 to 32 mg KOH/g, and the said ink has a viscosity of less than 2000 mPa*s at 25°C. The ink is applied in a continuous or discrete manner on at least one surface of the carrier. The subject of the invention is also a decorated carrier based on high-density polymer, a multi-layered product, and a method of manufacturing of a multi-layered product with a coating of the said ink.

EFFECT: creation of the ink of simpler composition and easier to use.

16 cl, 1 dwg, 4 tbl

 

The subject of invention

The present invention relates to ink for film and multilayer product olefin polymer basis, and also relates to a decorative laminated films and products.

Prior art

Typically, inks include one or more pigment and binder, which allows you to transfer the pigment in the suspension, applying it and fasten it on the media that you want to paint, or the media on which you want to print the picture. The choice of pigment and binder is of particular importance, since the pigment determines the ink capacity of the ink and the binder determines not only the method of drying ink, but the basic properties of the obtained ink layer (resistance, adhesion and so on).

To a mixture of the pigment with the binder usually add additives to improve the properties of the ink during and after their application. Additives also serve to facilitate the use of ink and, among other things, allow you to speed up the drying process, to improve the gloss and/or to increase the resistance of the ink film.

Additional additives to the inks are, in particular, dispersing agents, defoamers, as well as waxes, polymers, thickening agents, and plasticizers. Waxes of animal, vegetable or mineral origin is ozbolat to change the state of the surface of the ink film, and mainly, to improve abrasion resistance and to improve the rate of slip of the ink layer. The polymers, as a rule, on the basis of nitrocellulose or ethyl cellulose can improve the properties of the ink layer to increase its luster and durability. They also provide an opportunity to improve the wettability of the pigment. As thickeners, they allow you to correct the viscosity of the ink.

The ink composition varies depending on the medium on which the ink is supposed to apply, and depending on the desired result. The ink should possess good internal consistency and good adhesion to the carrier. None of the ink cannot be applied on all possible media. Very often widely used inks are not designed for use on plastic films or multilayer products, in particular, are used for decorative coating of various surfaces.

Printing on plastic films is complicated by the fact that most of these films are made of non-polar polymers, and for applying ink must first coating, also called "primary"or surface treatment film, for example, by corona discharge, which has the disadvantage in the production process of such plastic films have to enter one and the two additional stages.

Printing on laminated products, in turn, presents an additional difficulty. Indeed, the layered product typically includes a plastic film, also called substrate layer or layer media, which is another plastic film, also called the upper or the protective layer. A protective layer, usually transparent, serves to protect decorative surfaces, being resistant to mechanical and chemical stresses that can occur in normal conditions of use of such multilayer products. As a rule, the substrate represents a decorative surface on which is deposited a protective layer. Thus, since the printing of the decorative figure is made before applying the protective layer, in addition to the problems of adhesion of ink to the layer-media, there is also the problem of mutual adhesion between the protective layer and the ink. And connectivity layers of the multilayer product is an important indicator, because it must be sufficient to meet the highest standards, in particular in respect of durability of the final product to wear walking in the case of flooring.

Among plastic films, PVC film (polihlorvinilovye) have a wide distribution, particularly in the production of various kinds of packages, as well as in the production of the TBE wall and floor coverings. Thus the products of PVC have the major disadvantage that they emit into the environment volatile organic compounds and phthalates. Therefore, development of new, more environmentally friendly products that do not contain chlorine, in particular products based on olefinic polymers or copolymers having substantially the same thermal, mechanical and chemical properties. However, such products easier to manufacture, less expensive and more environmentally friendly to manufacture than PVC and emit less volatile organic compounds. However, the use of olefin polymers does not solve the problem of adhesion of ink to the plastic film, and the problem of adhesion between the layer carrier and the protective layer, resulting in the production of multilayer products.

Usually polyolefin film or polyolefin layer carrier in the case of multi-layer product)to be decorated, have to be subjected to surface treatment before printing of the image. Speech can go about applying the "primary" coverage or physical processing, in particular, by corona discharge, as described in the patent FR 2836088.

In the case of a multilayer product, as described in the patent FR 2836088, to improve the adhesion of ink and a protective layer on the decorative layer should be applied to the adhesion promoters. Activators of adhesion preveden the mi in FR 2836088, are solutions to a polyolefin-based chlorinated polyolefins, chlorinated polyolefins, activated hydroxy - or epoxypropoxy, or maleic anhydride, solutions acrylic-based polyester mesh patterns or solutions to a silanol basis.

For multilayer products another possible solution may be the use of sticky ink, in which the adhesion promoters are integral to the ink.

In EP 0604729 describes sticky ink for printing on a medium based on the polyolefin to obtain a woven or non-woven products in the form of fibers or films. These ink contains a pigment, binder and adhesion promoters. The binder is a polyvinyl alcohol or ethylene-vinyl acetate (EVA), which are used due to their ability to form a film, and adhesion promoters is a compound that is selected from hydrocarbon resins, esters of rosin or polyterpenes, in primary forms.

Such sticky ink have the disadvantage that they have a complex composition and insufficient adhesion to polyolefin carrier, on which are applied, because their composition is really a compromise between uniformity of ink and adhesion to the media. This is a compromise at the expense of the property of adhesion.

The purpose of the invention

The present invention healthy lifestyles is but to receive ink, not having the disadvantages of the prior art.

In particular, it aims to create ink simpler structure and easier to use.

The aim of the present invention is the creation of the ink with good internal connectivity, and improved adhesion to polyolefin media to which they are applied.

In addition, in the case of a multilayer product of the present invention to create an ink with good adhesion to the layer-media and/or a protective layer.

In addition, the invention aims to obtain a decorative film or decorated multi-layered product, which does not have the disadvantages of the prior art.

In particular, the present invention is directed to create a decorative film or decorated multilayer product of the polyolefin polymer having improved mechanical resistance to physical shock.

The invention also aims at getting decorated multilayer polyolefin product having improved internal coherence.

Brief description of the invention

The present invention is an ink for printing on a medium based on the polyolefin containing at least one pigment and one binder, with specified binder ve is esto is an oxidized polyolefin wax in the form of an aqueous emulsion, moreover, the specified wax has a viscosity at Brookfield less than 5000 MPa·s at 150°C and pH level from 28 to 32 mg KOH/g, and the inks have a viscosity of less than 2000 MPa·s at 25°C.

The term "oxidized polyolefin polymer" means a polymer obtained through polymerization of olefins from olefin monomers, which was subjected to oxidation.

In the private embodiment of the ink have one or more of the following properties:

the viscosity of these inks is in the range from 300 to 1000 MPa·s at 25°C,

- oxidized polyolefin wax is oxidized polymer of ethylene high density,

- oxidized polyolefin wax emulsion ranges from 35 wt.% to 96 wt.% from the total ink weight,

- ink additionally contains at least one additive which is selected from the group of substances consisting of defoamer, thickener and/or surface-active substances (surfactants).

On the other hand, the present invention discloses a carrier-based polymer of ethylene high density, decorated by using ink of the present invention, moreover, these inks applied continuous or discrete manner at least on one surface of the specified media.

The term "carrier" refers to any media that is suitable for processing the ink and, in particular, we can talk about the film.

In specific embodiments of the present invention, the carrier has the following property:

carrier further comprises mineral fillers.

In addition, the present invention discloses a multilayer product containing layer-based media polyolefin and a protective layer based on a polyolefin, in which at least one side of the specified layer of the carrier and/or the specified protective layer covered with ink containing at least one pigment and one binder, with specified binder is an oxidized polyolefin wax in the form of an aqueous emulsion, and the specified wax has a viscosity at Brookfield less than 5000 MPa·s at 150°C and pH level from 28 to 32 mg KOH/g

In specific embodiments of the present invention decorated multilayer product has one or more of the following properties:

- layer media is a layer based on a polymer of ethylene, high-density,

- layer media contains mineral fillers

- the protective layer contains a layer-based polymer ionomer type

protective layer coating based on polyurethane,

- multi-layered product is used for the manufacture of flooring and/or wall coverings.

In addition, N. the present invention discloses a method of manufacturing the layered product, containing the layer-based media polyolefin and a protective layer based on a polyolefin, comprising the following steps:

treatment by corona discharge one side of the layer of the carrier and/or the protective layer, where it is supposed to print,

- applying at least one side of the layer of the carrier and/or the protective layer of ink containing at least one pigment and one binder, with specified binder is an oxidized polyolefin wax in the form of an aqueous emulsion, and the specified wax has a viscosity at Brookfield less than 5000 MPa·s at 150°C and pH level from 28 to 32 mg KOH/g,

- drying ink

a protective layer on the layer-media

connection of the protective layer with a layer of carrier.

In specific embodiments of the present invention has one or more of the following characteristics:

the method further includes the step of coating the protective layer surface layer based on polyurethane,

the method additionally includes the stage of mechanical knurling grain on the protective layer after his connection with the layer carrier.

A brief description of graphic materials

Figure 1 shows the layered product, decorated with ink according to the present invention.

A detailed description of the image is the shadow

Polyolefin waxes are known in themselves and are commercially available. Typically, we are talking about polymers, homopolymers or copolymers, obtained by polymerisation of olefinic monomers, which have been subjected to oxidation.

The oxidized polyolefin wax, used as a binder in the ink according to the present invention is a polyolefin polymer having a viscosity Brookfield below 5000 MPa·s at 150°C and the level of oxidation (which is expressed in the measure of acidity) from 28 to 32 mg KOH/g, preferably, the average degree of oxidation of 30 mg KOH/g Oxidation wax has a beneficial effect on the cohesion of the pigment in the ink and allows you to achieve optimum adhesion of the ink film or polyolefin layer carrier and ink with a protective layer for multilayer products.

The oxidized polyolefin wax used in the ink according to the present invention, represents a homopolymer of ethylene high density, which was oxidized in any suitable way. In particular, the oxidation can be performed by reaction with oxygen or gas containing oxygen, at temperatures of from 140 to 200°C. and at a pressure of from 5 to 200 bar.

The pigment used in the ink according to the present invention, may consist of any colored mineral or organic is emesto any structure or nature. It can also go on the metallic pigments, the pigments with the tide and pearlescent pigments. In addition, we can talk about mixtures of such pigments.

The pigment is used in powder form, but can also be presented in any other suitable form, and can also be used in combination with a dispersing agent.

Manufacture of ink is carried out in a conventional manner, however, before adding pigment wax previously transferred to the state of an emulsion in water, with the water content (mass ratio) may vary from 55 wt.% and 75 wt.%, preferably the water content of 65 wt.%. Thus, the content of dry matter, i.e. solid oxidized wax in the emulsion may vary from 25 wt.% up to 45 wt.%, preferably the solids content of the oxidized wax is 35 wt.%.

In addition, the ink may include one or more additives, such as defoamer, thickener, surfactant, which is preferably added to the oxidized wax in the form of emulsion before adding the pigment. Preferably, the content of additives in the finished ink is not more than 10 wt.%.

The ink according to the present invention have a viscosity of less than 2000 MPa·s at 25°C.

In one of the specific embodiments used the wax is a polymer of the m ethylene high density HDPE (Solewax 4 03, Ramvers), with average acidity of 30 mg KOH/g and a viscosity of 3500 MPa·s at 150°C, which (wax) was transferred to the state water emulsion. Preferably, this emulsion contains from 55 wt.% up to 75 wt.% water, more preferably 65 wt.% water.

In Tables 1-4 are examples ink composition according to the present invention.

Table 1
The white ink composition
ConnectionContent, wt.%
The HDPE wax oxidized in the form of an emulsion57,4%
White when the pigment content of 70% (Aquapasta White)41,0%
Defoamer (BYK-094)0,5%
Thickener (Coatex rheo 2000)1,1%

Table 2
The composition of the metallic ink
InkConnectionContent, wt.%Metal effect
IThe HDPE wax oxidized in the form of an emulsion71,4%
Metallic pigment (Stapa IL hydrolan Aluminium)28,6%Very good
IIThe HDPE wax oxidized in the form of an emulsion76,9%
Metallic pigment (Stapa IL hydrolan Aluminium)23,1%Good
IIIThe HDPE wax oxidized in the form of an emulsion83,3%
Metallic pigment (Stapa IL hydrolan Aluminium)16,7%Light

Table 3
The composition of the concentrated color ink
InkConnectionContent, wt.%
BlackWax oxidized HDPE, emulsion55,0%
Pigment (Regal 250R or Monarch 280)15,0%
Dispel. agent for pigment3,0%
Water21,2%
Isopropanol5,0%
Surfactant (Surfynol 104 PA)0,8%
YellowWax oxidized HDPE, emulsion35,0%
Pigment (Cromophtal Yellow3G)35,0%
Water24,2%
Isopropanol5,0%
Surfactant (Surfynol 104PA)0,8%
RedWax oxidized HDPE, emulsion35,0%
Pigment (Crormphtal red BRN or Cromophtal red 2030)35,0%
Water24,2%
Isopropanol5,0%
Surfactant (Surfynol 104 PA)0,8%
BlueWax oxidized HDPE, emulsion35,0%
Pigment (Irgalite blue GLO)35,0%
Water24,2%
Isopropanol5,0%
Surfactant (Surfynol 104 PA)0,8%

Table 4
The composition of the colorless ink
ConnectionContent, wt.%
Wax oxidized HDPE, emulsion95,7%
Defoamer (BYK-094)0,6%
Preliminary mixture (1:1) (Coatex rheo 2000 + water)3,7%

White ink according to the invention (table 1) is obtained using whitewash, which contain 70% of white pigment, while the remaining 30% made up of 90% water and 10% of acrylic resin. White ink themselves can serve as the basis for printing one or more color and/or metallic ink, and can be used in a mixture with one or more colored inks, such as ink from Table 3. In a mixture of white ink with colored ink, the content of the color ink is preferably from 1 to 10 wt.% from the total mass of the ink.

Preferably the pigment used in the metallic ink is aluminum coated with silicon dioxide (Stapa IL Hydrolan Aluminium).

Metal ink according to the present invention (table 2) can be used for coating media based on the polyolefin, which may be pre-coated or not coated with white ink, but can also serve as a basis for printing one or more color ink or a mixture of one or more of the colored ink white ink.

Color ink according to the present invention (table 3) may apply delapidate on the media based on the polyolefin, which can be covered or not covered with white or metallic ink. Colored inks can be used in this form, as shown in Table 3, i.e. in the form, which can be defined as "concentrated"to get a busy tone, or you can apply them in a "diluted" form, i.e. in the form of a mixture with white ink, metallic ink, or with colorless ink (table 4) to achieve lighter shades.

Colorless ink (table 4) can be used for coating media based on the polyolefin, which can be covered or not covered in white, metallic or colored ink. Colorless ink, mixed with one or more "concentrated" color ink (table 3), can also serve to receive the "diluted" with ink in order to achieve lighter shades. "Diluted ink" mass fraction of concentrated color ink is preferably from about 1% to about 16%.

In the examples of ink compositions according to the present invention (Tables 1-4) the content of oxidized wax emulsion comprises from about 35 wt.% to about 83 wt.% from the total mass of white metal or concentrated color ink and from about 86 wt.% to about 89 wt.% otoba mass of colored diluted ink, and about 96 wt.% from the total mass of colorless ink.

Since the oxidized wax is in the form of emulsion with a water content of 55 wt.% up to 75 wt.%, mass dry matter content of the oxidized wax is in the range from about 9% to about 37% of the total mass of white metal or concentrated color ink, and from about 21 wt.% to about 40 wt.% from the total mass of the color of the diluted ink and about 43 wt.% from the total mass of colorless ink.

In one of the private embodiments of the present invention, the oxidized wax emuleret 65% water, thus, the dry matter content of the oxidized wax is in the range from about 12 wt.% up to about 29 wt.% from the total mass of white metal or concentrated color ink and approximately 30 wt.% from the total mass of the color of the diluted ink and approximately 33% of the total mass of colorless ink.

All compounds in Tables 1-4 have adhesion exceeding 50 N/50 mm in the test for resistance to separation carried out according to standard No. EN431. In particular, a white ink containing 57,4 wt.% oxidized wax emulsion, a metal ink containing oxidized wax emulsion to about 71 wt.% and concentrated color ink containing oxidized wax emulsion to about 35% have good the second adhesion to polyolefin carrier, with sufficient aesthetic appeal.

Plastic films or layers-media multi-layered products, decorated by means of one or more ink according to the present invention, preferred are films or layers-media-based polymer of ethylene high density. Preferably, the films obtained by laminating or calendering.

In particular, as is evident from Figure 1, the layer-media multi-layer product may be a layer called compact or foam. It may contain organic or mineral fillers, designed to give him a special mechanical properties; we can talk about, for example, calcium carbonate or magnesium, sulfate, calcium sulfate or barium carbonate, kaolin, fumed silica, penografit or fiberglass. In the private embodiment of the present invention, the layer of the carrier is low density polyethylene and contains calcium carbonate, and a mesh layer of glass 2.

The ink according to the present invention can be applied, at least on one surface of the film layer of the carrier 1 or the protective layer 3 (polyolefin) in whatever way is appropriate. Preferably, the ink is applied by heliography, flexography or screen. The application of ink can him is camping in a continuous manner, on the entire surface of the film layer of the carrier 1 or the protective layer 3, or discrete manner on one part of the surface of the film layer of the carrier 1 or the protective layer 3.

The layer of non-ferrous, metal, white or colorless ink 2 has the advantage that it can itself serve as the basis for printing additional figure.

After incurring the ink layer 2 with a film layer of the carrier 1 or the protective layer 3, and decorated thus, is subjected to drying, for example, air flow, for example, at a temperature which may range from 20 to 100°C.

The protective layer 3 laminated product may consist of one or more polymer layers and can be made from any polymer suitable for imparting layer, good resistance to mechanical and chemical stresses encountered in normal conditions of use of such coatings on various surfaces. The protective layer may include a layer of polymer ionomer-type copolymers with ionic bonds containing olefinic chain having a carboxyl side groups, partially or completely neutralized by cations, which can be metal cations or cations amines. Preferably the ionomer polymer is a copolymer of ethylene.

The protective layer 3 is preferably transparent, and its thickness, as a rule is, is at least 10 μm, preferably 200 μm, but may vary depending on various parameters, such as the product used for making the protective layer 3, and depending on the method of application to which this layered product is intended.

Preferably the layer of carrier 1 is produced by rolling, and a protective layer 3 is produced by blowing-extrusion.

The protective layer 3 is applied, for example, at elevated temperature, preferably at a temperature of from 110 to 120°C., particularly preferably at 115°C, at the layer of the carrier 1, the surface of which has previously been heated, for example, infrared radiation. The adhesion between the protective layer 3 and layer carrier 1 is, for example, by broaching multilayer product through a furnace with a temperature of 160°C for three minutes.

In one of the private embodiments of the protective layer 3 is covered with a surface layer based on polyurethane for high resistance to abrasion.

In one of the private embodiments of the laminated product may be subjected to mechanical knurled grain.

Preferably, the layer of the carrier 1 or the protective layer 3 laminated product may contain various additives, allowing, in particular, to improve or change the mechanical properties decorated multilayer product is of course what about the product.

Preferably, films, decorated with ink according to the present invention, used for packaging and decorated multilayer products are used as wall or floor coverings.

Figure captions

1 - Layer media.

2 - Layer ink.

3 - layer protection.

4 - Layer polyurethane.

5 is a porous layer of glass.

1. Media-based polymer of ethylene high density, decorated with ink for printing that contains at least one pigment and one binder, where the specified binding agent is an oxidized polyolefin wax in the form of an aqueous emulsion, and the specified wax has a viscosity at Brookfield less than 5000 MPa·s at 150°C and pH level from 28 to 32 mg KOH/g, where specified ink is applied a continuous or discrete manner on at least one surface of the specified media.

2. Media-based polymer according to claim 1, where the viscosity of these inks is less than 2000 MPa·s at 25°C.

3. Decorated carrier according to claim 1, where the specified media-based polymer further comprises organic and/or mineral fillers.

4. Layered product containing layer-based media polyolefin (1) and a protective layer based on a polyolefin (3), where at least one surface of the specified layer of the carrier (1) is/or specified protective layer (3) is covered with ink, containing at least one pigment and one binder, with specified binder is an oxidized polyolefin wax in the form of an aqueous emulsion, and the specified wax has a viscosity at Brookfield less than 5000 MPa·s at 150°C and pH level from 28 to 32 mg KOH/g

5. The multilayer product according to claim 4, where the viscosity of these inks is less than 2000 MPa·s at 25°C.

6. The multilayer product according to claim 4, where the viscosity of these inks is from 300 to 1000 MPa·s at 25°C.

7. The multilayer product according to claim 4, where the oxidized polyolefin wax ink is oxidized homopolymer ethylene high density.

8. The multilayer product according to claim 4, where the oxidized polyolefin wax ink in the form of an emulsion ranges from 35 to 96 wt.% from the total mass of the ink.

9. The multilayer product according to claim 4, where the ink contains at least an additive selected from the group consisting of a defoamer, thickener and/or surfactants.

10. The multilayer product according to claim 4, where the layer carrier (1) is a layer based on a polymer of ethylene high density.

11. The multilayer product according to claim 4, where the layer-medium (1) contains mineral fillers.

12. The multilayer product according to claim 4, where the protective layer (3) contains a layer-based polymer ionomer type.

13. The multilayer product according to A4, where the protective layer (3) applied layer on the basis of polyurethane (4).

14. The multilayer product according to any one of claims 4 to 13 as flooring and/or wall coverings.

15. Method of manufacturing multilayer product containing layer-based media polyolefin (1) and a protective layer based on a polyolefin (3), comprising the following steps:
treatment by corona discharge one surface of the specified layer of the carrier (1) and/or the specified protective layer (3), print,
- applying at least one surface of the specified layer of the carrier (1) and/or the specified protective layer (3) ink containing at least one pigment and one binder, with specified binder is an oxidized polyolefin wax in the form of an aqueous emulsion, and the specified wax has a viscosity at Brookfield less than 5000 MPa·s at 150°C and pH level between 28 and 32 mg KOH/g, '
- drying the above ink
- application of the specified protective layer (3) on the specified layer of the carrier (1),
connection of the specified protective layer (3) with the specified layer of the carrier (1).

16. The method according to clause 15, where the viscosity of these inks is less than 2000 MPa·s at 25°C.

17. The method according to clause 15, where the viscosity of these inks is from 300 to 1000 MPa·s at 25°C.

18. The method according to clause 15, where the oxidized polyol is finaly wax ink is oxidized homopolymer ethylene high density.

19. The method according to clause 15, where the oxidized polyolefin wax ink in the form of an emulsion ranges from 35 to 96 wt.% from the total mass of the ink.

20. The method according to clause 15, where the ink contains at least an additive selected from the group consisting of a defoamer, thickener and/or surfactants.

21. The method according to clause 15, further comprising the step of coating a protective layer (3) surface layer based on polyurethane (4).

22. The method according to 14, further comprising the step of mechanical knurling grain on the protective layer (3) after his connection with the layer carrier (1).



 

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5 cl, 27 dwg

FIELD: construction.

SUBSTANCE: panel at least on two opposite side faces is equipped with corresponding hooks, at the same time the first hook is formed by profiling open towards the upper side, and the second hook is formed by profiling open towards the lower side, which on the first hook forms a ledge directed towards the upper side, and on the second element it forms a ledge directed substantially towards the lower side. Two identical panels are arranged as capable of connection and fixation to each other in horizontal (H) and vertical (V) directions by means of a vertical jointing movement. At least one of ledges during the jointing movement diverts in horizontal direction, and then with the help of the vertical fixation is latched behind the fixing face stretching substantially in horizontal direction (H). At least one of hooks is segmented, forming multiple elastic elements arranged in parallel at a distance from each other. Elastic elements are arranged at the angle (α) to the longitudinal axis (L).

EFFECT: invention provides for reliable fixation of panels.

FIELD: construction, road engineering.

SUBSTANCE: invention relates to the field of construction, in particular, to modular floors. A modular floor element comprises a panel element, two engagement brackets arranged on the longitudinal side, two shallow grooves arranged on the other longitudinal side, an engagement bracket arranged on the transverse side and a shallow groove arranged on the other transverse side. Brackets are connected to shallow grooves of another modular element and thus are connected to shallow grooves in such a manner that floor elements are blocked both in longitudinal and transverse directions. The engagement brackets are equipped with bearings for easier sliding of these brackets.

EFFECT: improved resistance of floor to tangential stresses occurring in process of its operation.

21 cl, 10 dwg

FIELD: textiles and paper.

SUBSTANCE: non-woven fabric is proposed, on the visible surface of which the ink composition is applied comprising from about 40 wt % to about 80 wt % of the dry weight of the ink of linking agent - aziridine oligomer with at least two aziridine functional groups. Also an absorbing article is proposed comprising a liquid-permeable upper layer, an absorbing core and a liquid-impermeable lower layer that contains the specified non-woven fabric with the said applied ink composition. The application of ink on the non-woven fabric can be carried out by the method of flexography or a method of ink-jet printing.

EFFECT: printed non-woven fabric has high resistance to abrasion even in case of its contacting with fatty substance.

16 cl, 2 dwg, 2 tbl, 2 ex

FIELD: chemistry.

SUBSTANCE: water based flexographic contains biodegradable polyhydroxyalkanoate (PHA) consisting of monomers having the following formula: where n is an integer from 1 to 5, and R1 is selected from a group comprising hydrogen, alkyl from C1 to C20, and alkenyl from C1 to C20, and having molecular weight ranging from 500 to 5000000 g/mol, binder substance which is three-block amphiphilic compound having two hydrophobic terminal areas with linear and/or branched aliphatic chains CnH2n+2, n = 1-40, and one central hydrophilic area - polyethylene glycol and its derivatives; or having one central hydrophobic area with linear and/or branched aliphatic chains CnH2n+2, n = 1-40, and two hydrophilic terminal areas, a solvent, and a dye or pigment in amount sufficient for leaving a visible mark on a base. Concentration of PHA in the ink ranges from 20 to 80% (weight/volume), concentration of the binder ranges from 0.5 to 20% (weight/volume), concentration of the solvent ranges from 1 to 25% (weight/volume) and concentration of the dye or pigment ranges from 1 to 40% (weight/volume). Described also is a method of preparing water based flexographic ink and a printing composition which contains the said flexographic ink.

EFFECT: improved biodecomposition properties.

13 cl, 6 ex

FIELD: chemistry.

SUBSTANCE: invention pertains to polyurethane resin, which is a product of a reaction between at least one diisocyanate and components, containing functional groups, which have capacity to react with isocyanates, with the following composition: (a) first group, which is formed by one or more polyester-polyols based on ethers, each of which has average molecular mass ranging from 400 to 12000 g/mol, (b) second group, formed by one or more poly hydroxilated resins, chosen from a defined group of resins, (c) optional third group, formed by one or more polyols, each of which has average molecular mass, equal to or less than 800 g/mol, which are also chosen from a defined group of polyols, and (d) at least one amine and a reaction chain-stopping agent. The ratio of equivalent masses of diisocyanate and components, containing functional groups, with capacity to react with isocyanates, is chosen such that, naturally all isocyanate groups of diisocyanate are present as a product of the reaction with one of the above mentioned functional groups, with capacity to react with isocyanates. The invention also relates to the method of obtaining the above mentioned polyurethane resin, to polyurethane resin obtained through such methods, to coating for plastic substrates, containing the proposed resin, as a polyolefin binding substance, to use of such a polyurethane resin as a film forming substance in printing ink for printing on plastic substrates, as well as to the method of obtaining a laminate, which has a layer obtained when printing an image, including stages (a)-(d), with use of coating from polyurethane resin, and to a laminate, obtained using such a method.

EFFECT: obtaining a coating from polyurethane resin, with good heat resistance and excellent initial adhesiveness.

20 cl

FIELD: light industry; composition of decorative coats for wallpaper; manufacture of pearly ink for intaglio printing on wallpaper.

SUBSTANCE: composition of proposed printing ink for wallpaper contains 16-16.5 mass-% of pearly pigment; 12-12.5 mass-% of ethyl alcohol; 46-46.4 mass-% of binder - acrylic latex of butyl acrylate copolymer (19-21%) and methacrylic acid (10-12%) and water; copolymer acrylic latex is produced by method of radiation emulsion polymerization of butyl acrylate, vinyl acetate and methacrylic acid under action of ionizing radiation at dose rate of 0.05-0.1 g/s to absorbed doses of 1.5-2 kgr.

EFFECT: avoidance of lamination of ink; easily washable ink; enhanced heat resistance of ink.

1 tbl, 2 ex

FIELD: dyes.

SUBSTANCE: invention relates to composition of aqueous dye used in stenciling, to a method for preparing indicated composition of stenciling, using indicated dying composition for stenciling and to securities printed using indicated dying composition. Invention describes composition of aqueous dye for stenciling containing the following components: (a) emulsion of acrylic or urethane-acrylic copolymer taken in the amount 30-70 wt-%, preferably in the amount 35-60 wt.-%, and more preferably in the amount 40-55 wt.-% of self-cross-linking emulsion of acrylic or urethane-acrylic copolymer as measured for the total mass of composition; (b) cross-linking agent taken in the amount 0.25-3 wt.-%, preferably in the amount 0.5-2 wt.-%, and more preferably in the amount 1-2 wt.-% of mass indicated cross-linking agent as measured for the total mass of composition; (c) optional catalyst; (d) optional pigments, and (e) optional additives and wherein indicated cross-linking agent comprises at least two different functional activity in a single molecule. The first functional activity is chosen by so manner to form a covalent bond with indicated polymer before printing and the second of indicated functional activities is chosen by so manner to carry out cross-linking indicated polymer for hardening printed dye. Emulsion of acrylic or urethane-acrylic copolymer is chosen from group possessing self-cross-linking property and wherein the composition shows pH from 7.0 to 8.5, preferably from 7.5 to 8.3 and more preferably from 7.5 to 8.0. Invention describes a method for preparing above said composition of aqueous dye for stenciling and comprising the following steps: (a) preparing emulsion of acrylic or urethane-acrylic copolymer; (b) optional preparing catalyst, optional pigments and optional additives; (c) preparing a cross-linking agent able to form a covalent bond under the first conditions with polymer prepared in (a), and cross-linking prepared polymer under the second conditions; (d) thorough mixing components prepared by points (a), (b) and (c) and providing interaction of polymer prepared by point (a) with a cross-linking agent prepared by point (c) under indicated first conditions; (e) regulation of pH value of the composition in the range from 7.0 to 8.5. Also, invention describes using the indicated composition of aqueous dye as a dye for stenciling and security document with signs printed by using indicated composition of aqueous dye. Proposed composition shows improved stability and improved toxicological properties in the combination and excellent stability of printed and hardened dye to chemical and physical effects.

EFFECT: improved properties of dye, improved preparing method.

14 cl, 6 ex

FIELD: dyes.

SUBSTANCE: invention relates typography dyes, in particular, to dye for deep printing. Invention describes dye for deep printing comprising the first binding agent chosen from group of water-soluble or water-diluted acrylate oligomers, photoinitiating agent and, optionally, a monomer as the second binding agent chosen from group consisting of water-soluble or water-diluted monomers of polyethylene diacrylates or polyethoxylated triacrylates used for correction of the composition dye viscosity value. Dye can comprise additives, such as pigments, filling agents, photosensitizing agents, photostabilizing agents and special pigments. Dyes shows viscosity value from 7 to 60 Pa . s at temperature 40°C and dispersed completely in aqueous washing off solution with sodium hydroxide in the concentration from 0 to 0.5 wt.-%. Dyes possesses the excellent capacity for paint removing and it is can be precipitated from the indicated washing off solution.

EFFECT: improved and valuable properties of dye.

28 cl, 9 ex

FIELD: polymer materials.

SUBSTANCE: polyurethane resin is a product of reaction of at least one diisocyanate component and isocyanate-reactive components having first group of at least one polyol, second group of at least one polyol, and third group of at least one polyol, at least one amine, and, additionally, reaction-stopping agent, all polyols of the first group having average molecular mass between 1000 and 10000 g/mole, those of second group having average molecular mass between above 10000 and 20000 g/mole, and those of third group having average molecular mass equal to or higher than 800 g/mole. Ratio of diisocyanate component to isocyanate-reactive components is selected such that all isocyanate groups are present as products of reaction with isocyanate-reactive functional groups. Resin is used as film-forming binder in coating compositions, in particular in printing inks for printing on polyolefin substrates. Printing ink is preferably used for manufacturing printed layered articles.

EFFECT: increased gluing ability and heat resistance of ink laid on plastic substrate.

41 cl, 2 tbl, 12 ex

The invention relates to the field of compositions for coating, namely fluorescent stamp mastics for the application of texts or images on solid media, preferably pulp and paper, and can be used when drawing text and/or images special stamp mastic, preferably in the form of seals, for the protection of paper-based information from a fake
The invention relates to the field of compositions for coating, namely fluorescent stamp mastics for the application of texts or images on solid media, preferably pulp and paper, and can be used when drawing text and/or images special stamp mastic is preferably in the form of seals for the protection of paper-based information from a fake

Printing ink // 2179565
The invention relates to the printing industry, namely, printing ink for screen printing, used for preparation of luminous scales, indicators, signs, used in low light conditions, for example, during the evacuation of people from the building during a fire or any other emergency in the dark

FIELD: chemistry.

SUBSTANCE: invention relates to production of flexible heat-retaining material which is meant for use in apparatus for protecting human respiratory organs from high temperatures, as well as components of protective clothing, packaging etc. When producing flexible heat-retaining material, a multilayer composition containing fibre paper between high-pressure and low-density polyethylene sheets is joined using a thermocompression technique.

EFFECT: disclosed simple method enables to obtain flexible heat-retaining material with phase transition temperature in the range of 40-100°C, having high heat capacity and heat conductivity.

3 dwg, 4 ex

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