Ink for offset printing on non-absorbent surfaces
(57) Abstract:Purpose: printing ink for offset printing on non-absorbent surfaces - metal foil, steel and so on, One of the main applications is the creation of a protective image technologies for printed circuit boards in the electronics industry. The inventive printing ink contains, wt%: pigment 16 - 25; pentaftalevyh polyester (RL) 25 20 - 2; disperser (DP) 1 - 1 - 2; Alcide D 1600 5 - 10; Alcide D 4100 5 - 10; oil fraction with so Kip. 350 - 380°C 6 - 18; micronized wax 0.5 to 1.5; deflocculant DF-2 0,4 - 0,6; linseed oil 10 - 13; petroleum solvent RPK 280 - 8 - 23. The paint has a lower viscosity utterly destroyed structure, less continuity to thixotropy, greater opacity. Increases resistance to solutions of ferric chloride is reduced to solutions of alkali. table 2. The invention relates to the printing industry, in particular to the ink for printing offset on non-absorbent surfaces of the metal foil, glass, porcelain and so on, One of the areas of application of the ink composition for intermediate protective image technology for printed circuit boards for radiobeta at a thickness of 2 microns should provide resistance to the etching solution on the basis of ferric chloride for 10 min at 40-60 taboutS; print must be completely removed 5% alkali solution within a fairly short time. An additional requirement is the high optical density of the ink (preferably dark tones) for visual quality control of the printed image.Known printing ink for high or offset printing, containing (wt. h): pigment 180-200, polycondensate rosin and maleic anhydride-modified linseed oil in carbon oil fraction-520-680, polycondensate phthalic anhydride and pentaerythritol-modified linseed oil (alkyd resin D-1600) 25-45, polycondensate isophthalic acid and pentaerythritol-modified sunflower oil (alkyd resin D-4100) 15-45, monobasic fatty acid with the number of carbon atoms 12-18, 15-20, monohydroxy alcohol with the number of carbon atoms 3-8, 4-12, a petroleum fraction with TKip.350-380aboutWith 60-120, disodium salt ethylenediaminetetraacetic acid 10-20, polyethylene wax or ceresin 10-20, desiccant 10-15.However, this paint is characterized by insufficiently high speed fixing (drying) on the printed surface, the lack of stability of the fixed print to aggressive environments, cha is ka for high or offset printing, containing (wt.h.): pigment 180-200; polycondensate rosin and maleic anhydride-modified linseed oil, 520-680; polycondensate phthalic anhydride and pentaerythritol-modified linseed oil, 19-32; polycondensate isophthalic acid and pentaerythritol-modified sunflower oil, 15-45; dispersant 10-20; oil fraction with so Kip. 350-380aboutWith 60-120; disodium salt of ethylenediaminetetraacetic acid 10-20; polyethylene wax or ceresin 10-20; ethoxylated derivatives of 12-hydroxy carboxylic acid (12-ACS) with the number 18 carbon atoms and the degree of oksietilirovannye 4-12, 4-8; amorphous gidrofobizirovannym Aerosil 2-4; desiccant 10-15.The disadvantages of the paint are its low fluidity, leading to unstable transfer of the ink to form non-absorbent surface, resulting in a colorful film on the sheet loses continuity, and poor resistance of prints to the acidic solution of iron chloride.We offer ink for offset printing on non-absorbent surfaces contains the following components, wt. including Pigment 16-32 Pentaftalevyh resin (RL-25) 20-24 Dispersant PD-1 (TU 6-14-19-215-87) 1-2 Polycondensate phthalic anhydride and pentaerythritol, modifitsirovannym oil (alkyl 4100) 6-10 Oil fraction with so Kip. 350-380about(MP-3) 12-14 Micronized wax (TU 6-05-1516-77) 0.5 to 1.5 Deflocculant DF-2 (TU 6-14-19-216-87) of 0.4-0.6 Linseed oil 10-12 Petroleum solvent (RPK-280, TU 38.10-16-13-84) 15-23 Desiccant (mixed) of 0.5-1.5
Dispersant PD-1 is a product based on ethoxylated derivatives of 12-hydroxycarbonic acid (TU 6-14-19-215-87).Mixed desiccant is a mixture of cobalt naphthenate and lead naphthenate.Deflocculant DF-2 is a salt of monosulfonated phthalocyanine copper and Quaternary ammonium bases (TU 6-14-19-216-87).The paint is prepared by mixing the starting components in a kneader machine, and then dispersed on a three-roll kratkotrajni car to a buyer on grindometer less than 10 microns. The inks and their properties are presented in table. 1 and 2. INK FOR OFFSET PRINTING ON NON-absorbent SURFACES containing pigment, polycondensate phthalic anhydride and pentaerythritol-modified linseed oil, polycondensate isophthalic acid and pentaerythritol-modified sunflower oil, a petroleum fraction with a boiling point of 350 380oWith, dispersant, wax and drying, characterized in that as a dispersant she is oneiromancy wax and optionally salt monocularity phthalocyanine copper and Quaternary ammonium bases as deflocculant, pentaftalevyh resin, linseed oil and petroleum solvent with a boiling point 280oWith the following ratio of components, wt.h.Pigment 16 25
Polycondensate phthalic anhydride and pentaerythritol-modified linseed oil 6 10
Polycondensate isophthalic acid and pentaerythritol-modified sunflower oil 6 10
Oil fraction with a boiling point of 350 380o12 14
Product based on ethoxylated derivatives of 12-hydroxycarbonic acid (dispersant PD-1) 1 2
Micronized wax 0,5 1,5
Salt monocularity phthalocyanine copper and Quaternary ammonium bases 0,4 0,6
Pentaftalevyh resin 20 24
Linseed oil 10 13
Petroleum solvent with a boiling point 280o8 23
Desiccant 0,5 1,5
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
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
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: 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
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.
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: 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
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
SUBSTANCE: invention relates to polyamide-based printed films which are used as casings for food products, particularly artificial sausage casing. Disclosed is a printing ink system for printing on (co)polyamide-based films. Said system contains a radically curable primer ink and UV radiation radically curable printing ink which forms an almost colourless layer of primer ink. The primer ink contains a reactive compound which, in one molecule, contains a group capable of bonding with a (co)polyamide surface and an ethylenically unsaturated group which can undergo radical-initiated polyaddition. The invention also discloses a (co)polyamide-based single- or multilayer film which is printed with said printing ink system and a method for production thereof.
EFFECT: printing ink system enables to print on (co)polyamide-based food films with high adhesion to the film, resistance to friction, scratching even without an additional lacquer coat, mechanical and thermal processing, resistance to migration of ink components, which prevents foreign odours from food products.
27 cl, 1 ex
SUBSTANCE: invention relates to organometallic latent catalytic compounds which are suitable as catalysts in polyaddition or polycondensation reactions which are catalysed by a Lewis acid type catalyst, particularly for cross-linking a blocked or non-blocked isocyanate or an isothiocyanate component with a polyol or a polythiol to form polyurethane. Polyaddition or polycondensation reactions are initiated by that a catalyst is released while holding in electromagnetic radiation in wavelength range of 200-800 nm. The latent catalytic compound has formula I or II, Me(FG)(m-x)Ax (I); Ax(FG)(m-1-x)Me-O-Me(FG)(m-1-x)Ax (II), where Me is Sn, Bi, Al, Zr or Ti; m is an integer from 1 to the coordination number of Me; x is an integer from 0 to (m-1); A is a C1-C20 alkyl, halogen, C7-C30 aralkyl, C1-C20 alkoxy group, C2-C10 alkanoyloxy group, C6-C18 aryl or C6-C18 aryl, which is substituted with one or more C1-C20 alkyls; and under the condition that if x is greater than 1, A are identical or different; and FG independently represents a group of formula (Z), (B), (C), (D), (E), (F), (G), (L) or (M)
where values of radicals are given in the claim. The invention also relates to a polymerisable composition and a method for polymerisation in the presence of said catalytic compounds. The invention enables to initiate the reaction only if desired by external activation, such as heating or light.
EFFECT: widening the operating window with a polymer mixture until the chain reaction begins.
12 cl, 14 tbl, 67 ex