CN103725091A - Aqueous gravure ink and preparation method thereof - Google Patents
Aqueous gravure ink and preparation method thereof Download PDFInfo
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- CN103725091A CN103725091A CN201310750293.0A CN201310750293A CN103725091A CN 103725091 A CN103725091 A CN 103725091A CN 201310750293 A CN201310750293 A CN 201310750293A CN 103725091 A CN103725091 A CN 103725091A
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Abstract
The invention provides aqueous gravure ink. The aqueous gravure ink is composed of the following components in percentage by weight: 6%-12% of polyvinyl alcohol, 0.1%-3.5% of a modifying agent, 37%-70% of a solvent, 5.3%-9.5% of an auxiliary agent, 8%-20% of a pigment and 10%-19% of a diluting agent, wherein the total sum of the weight percentages of all the components is 100%; the auxiliary agent is a mixture composed of a catalyst, a surfactant, a water repellent agent, a de-foaming agent and a flatting agent. A preparation method comprises the following steps: agitating a prepared polyvinyl alcohol water solution and adding the catalyst, the surfactant, the de-foaming agent, the flatting agent, the pigment, the diluting agent and the water repellent agent; and collecting materials to obtain the product. According to the aqueous gravure ink, the weather resistance, the water resistance, the solvent resistance and the yellowing resistance are greatly improved so that the aqueous gravure ink can be applied to printing high-grade printing products. The aqueous gravure ink is simple in preparation method and process, is easy to realize, and is environment-friendly and pollution-free; and used equipment is low in price and small in volume.
Description
Technical field
The invention belongs to print reproduction technical field, relate to a kind of aquosity intaglio printing ink, the invention still further relates to the preparation method of this aquosity intaglio printing ink.
Background technology
Aquosity intaglio printing ink is as a kind of environmental type ink, has energy-conservation, solvent-free discharge, free from environmental pollution, production efficiency is high, printing excellent performance, enjoys people's parent to look at always.For a long time, what in paper wrapper gravure technique, adopt is all solvent type ink mostly, volatile, inflammable and explosive, poisonous, the irritant smells of organic compound such as the benzene wherein containing, toluene, ethyl acetate have produced great harm to human body and atmospheric environment in printing process.Along with the existing packing print quality of raising weathering resistance, yellowing resistance, the poor water resistance of people's environmental consciousness, the residual quantity of volatile organic compounds is many, more and more can not meet people's demand.Adopt water soluble resin as ink adhesive, with nontoxic water and alcohol mixeding liquid as aquosity intaglio printing ink thinner, make aquosity intaglio printing ink towards not firing, nontoxic, smell is little, color emissivity is strong, word is clear, site is complete, can adapt to the future development of quick print requirement, range of application is expanded.
The use of existing aquosity intaglio printing ink has clear and definite specificity, can not generally apply.The ink that aromatic waterborne polyurethane modified polyvinyl alcohol is prepared as aquosity intaglio printing ink binder, alicyclic waterborne polyurethane modified polyvinyl alcohol are as the ink of water color ink binder preparation, the water color ink that polyvinyl alcohol is prepared as binder separately, the ink that aqueous polyurethane is prepared as binder separately; With benzene,toluene,xylene as the ink of solvent preparation, they are lower to the binding property of pigment and other tiny solid particle, volatile organic compounds residual quantity is many, printing yellowing resistance, water tolerance, weathering resistance, less stable, in range of application, is restricted.
Summary of the invention
The object of this invention is to provide a kind of aquosity intaglio printing ink, solved water tolerance, weathering resistance, the less stable of existing aquosity intaglio printing ink, apply restricted problem.
Another object of the present invention is to provide the preparation method of above-mentioned aquosity intaglio printing ink.
The technical solution adopted in the present invention is, a kind of aquosity intaglio printing ink, by following component, formed by weight percentage: 6%～12% polyvinyl alcohol, 0.1%～3.5% properties-correcting agent, 37%～70% solvent, 5.3%～9.5% auxiliary agent, 8%～20% colorant, 10%～19% thinner, the weight percent summation of each component is 100% above, and wherein auxiliary agent is the mixture that catalyzer, tensio-active agent, hydrophobizing agent, defoamer and flow agent form.
Feature of the present invention is also,
Properties-correcting agent is aliphatic category waterborne polyurethane resin; Solvent is water; Thinner is that deionized water and ethanol are the mixture of 3:2 by volume.
In auxiliary agent, the per-cent that each component accounts for aquosity intaglio printing ink gross weight is: 0.5%～1.5% catalyzer, 0.5%～1.0% tensio-active agent, 1%～5% hydrophobizing agent, 1%～2.3% flow agent, 1%～2.5% defoamer.
Catalyzer is a kind of or any two kinds of mixtures that form for 1:1 by weight in P-TOLUENE SULFO ACID 99, citric acid and triethylamine; Tensio-active agent is that a kind of in sodium laurylsulfonate, sodium lauryl sulphate and OP-10 or any two kinds are the mixture of 2:1 composition by weight the mixture forming for 1:1 or Polyethylene Octylphenol Ether and sodium lauryl sulphate by weight; Hydrophobizing agent is the mixture a kind of or that form for 1:1 by weight in acrylamide and ammonium thiocyanate; Defoamer is golden cypress CD-111, Jin Bai CD-3, Jin Bai CD-65, Jin Bai DF-123A, Jin Bai DF126, Jin Bai DF131, a kind of in Jin Bai DF-132; Flow agent is a kind of in organic silicon acrylic ester, waterborne organic silicon, organopolysiloxane.
Colorant is benzidine yellow G, phthalocyanine blue, permanent red 4B, bronze powder, transparent yellow GG, a kind of in orange G, benzidine yellow G R admittedly forever.
Another technical scheme of the present invention is that a kind of preparation method of aquosity intaglio printing ink, specifically comprises the following steps:
Step 1, take respectively by weight percentage 6%～12% polyvinyl alcohol, 0.1%～3.5% properties-correcting agent, 37%～70% solvent, 5.3%～9.5% auxiliary agent, 8%～20% colorant, 10%～19% thinner, the weight percent summation of each component is 100% above, and wherein auxiliary agent is the mixture that catalyzer, tensio-active agent, hydrophobizing agent, defoamer and flow agent form;
The solvent that utilizes step 1 to take, under the condition of the waters bath with thermostatic control of 65 ℃～95 ℃, dissolve polyvinyl alcohol is mixed with the aqueous solution of polyvinyl alcohol;
Step 2, pours the polyvinyl alcohol water solution preparing in reaction vessel there-necked flask into, evenly adds catalyzer, tensio-active agent and properties-correcting agent, is to react 30min～45min under the condition of 20 ℃～25 ℃ in temperature; Then add defoamer and flow agent to continue again to stir 10min～20min;
Step 3 adds colorant under temperature is 20 ℃～25 ℃, stirring at low speed, stirs 15min～25min, then adds thinner to stir 10min～20min finally to add hydrophobizing agent, stir 10min～20min, rewinding and get final product.
Feature of the present invention is also,
In step 1, properties-correcting agent is aliphatic category waterborne polyurethane resin; Solvent is water; Thinner is that deionized water and ethanol are the mixture of 3:2 by volume.
In step 1, in auxiliary agent, the per-cent that each component accounts for aquosity intaglio printing ink gross weight is: 0.5%～1.5% catalyzer, 0.5%～1.0% tensio-active agent, 1%～5% hydrophobizing agent, 1%～2.3% flow agent, 1%～2.5% defoamer.
Catalyzer is a kind of or any two kinds of mixtures that form for 1:1 by weight in P-TOLUENE SULFO ACID 99, citric acid and triethylamine; Tensio-active agent is that a kind of in sodium laurylsulfonate, sodium lauryl sulphate and OP-10 or any two kinds are the mixture of 2:1 composition by weight the mixture forming for 1:1 or Polyethylene Octylphenol Ether and sodium lauryl sulphate by weight; Hydrophobizing agent is the mixture a kind of or that form for 1:1 by weight in acrylamide and ammonium thiocyanate; Defoamer is golden cypress CD-111, Jin Bai CD-3, Jin Bai CD-65, Jin Bai DF-123A, Jin Bai DF126, Jin Bai DF131, a kind of in Jin Bai DF-132; Flow agent is a kind of in organic silicon acrylic ester, waterborne organic silicon, organopolysiloxane.
In step 1, colorant is benzidine yellow G, phthalocyanine blue, permanent red 4B, bronze powder, transparent yellow GG, a kind of in orange G, benzidine yellow G R admittedly forever.
The invention has the beneficial effects as follows,
1. aquosity intaglio printing ink of the present invention has following characteristics: (1) polyvinyl alcohol is water-soluble polymer resin few in number, and solvent is water, and nontoxic, pollution-free, cheap, the convenience of drawing materials, does the solvent-free volatilization of binder with it; (2) aquosity intaglio printing ink safety non-pollution of the present invention, production efficiency is high, and printing quality is excellent, and fullness of shade, colour strength and sharpness are obviously better than common ink, and easily the advantage such as cleanings is very favourable for the green printing that realizes environmental protection, health for equipment; (3) weathering resistance of aquosity intaglio printing ink of the present invention, water tolerance, solvent resistance and yellowing resistance are very significantly improved the printing that can be applied to high-grade printed matter.
2. the preparation method of aquosity intaglio printing ink of the present invention, technique are simple, easily realize, environment friendly and pollution-free, and equipment used low price, volume are little.
Embodiment
Below in conjunction with embodiment, the present invention is described in detail.
A kind of aquosity intaglio printing ink of the present invention, by following component, formed by weight percentage: 6%～12% polyvinyl alcohol, 0.1%～3.5% properties-correcting agent, 37%～70% solvent, 5.3%～9.5% auxiliary agent, 8%～20% colorant, 10%～19% thinner, the weight percent summation of each component is 100% above, and wherein auxiliary agent is the mixture that catalyzer, tensio-active agent, hydrophobizing agent, defoamer and flow agent form.
Properties-correcting agent is aliphatic category waterborne polyurethane resin; Solvent is water; Thinner is that deionized water and ethanol are the mixture of 3:2 by volume.
In auxiliary agent, the per-cent that each component accounts for aquosity intaglio printing ink gross weight is: 0.5%～1.5% catalyzer, 0.5%～1.0% tensio-active agent, 1%～5% hydrophobizing agent, 1%～2.3% flow agent, 1%～2.5% defoamer; Colorant is benzidine yellow G, phthalocyanine blue, permanent red 4B, bronze powder, transparent yellow GG, a kind of in orange G, benzidine yellow G R admittedly forever.
Catalyzer is a kind of or any two kinds of mixtures that form for 1:1 by weight in P-TOLUENE SULFO ACID 99, citric acid and triethylamine; Tensio-active agent is that a kind of in sodium laurylsulfonate, sodium lauryl sulphate and OP-10 or any two kinds are the mixture of 2:1 composition by weight the mixture forming for 1:1 or Polyethylene Octylphenol Ether and sodium lauryl sulphate by weight; Hydrophobizing agent is the mixture a kind of or that form for 1:1 by weight in acrylamide and ammonium thiocyanate; Defoamer is golden cypress CD-111, Jin Bai CD-3, Jin Bai CD-65, Jin Bai DF-123A, Jin Bai DF126, Jin Bai DF131, a kind of in Jin Bai DF-132; Flow agent is a kind of in organic silicon acrylic ester, waterborne organic silicon, organopolysiloxane.
Resin is the chief component of aquosity intaglio printing ink, in aquosity intaglio printing ink system, as binder, plays a crucial role.Polyvinyl alcohol is white powder resin, by Vinyl Acetate Copolymer alcoholysis, is obtained.Owing to containing a large amount of side group-hydroxyls on its molecular chain, thereby it has good water-soluble.Can be dissolved in hot water, be few in number one of macromolecular materials of water as solvent that can be used for, and nontoxic, harmless, pollution-free.Also there is good film-forming properties, bonding force and emulsifying property simultaneously, have remarkable grease resistance and solvent resistance.The fusion power that polyvinyl alcohol is as strong in paper, textiles, timber and leather surface have to porous, water-wetted surface.It is also effective tackiness agent to pigment and other tiny solid particle.To smoothly, water sucting surface is not as glass, metal, its bonding force reduces with the raising of alcoholysis degree.As tackiness agent, normally utilize the wet viscosity of polyvinyl alcohol.Polyvinyl alcohol is good pigment tackiness agent.Use polyvinyl alcohol to make tackiness agent, can be lower than other binder dosage, and also the coating that it provides has stronger opacifying power, and gloss is also better.
Properties-correcting agent is that aliphatic category waterborne polyurethane resin carries out modification to PVOH, utilizes aqueous polyurethane advantage that the water tolerance of polyvinyl alcohol and weathering resistance are greatly improved.Waterborne polyurethane resin is as aquosity intaglio printing ink binder, it is environmentally friendly macromolecular material, it take water as dispersion medium, have the advantages such as do not fire, free from environmental pollution, save energy, operation are easy to process, its good leveling property, good film-forming property, strong covering power, coating are cold-resistant, heat-resisting, wear-resisting, high resilience.Thereby be processed into coating, tackiness agent, porous plastics and elastomerics and be widely used in woodenware, vehicle, flyer, boats and ships, leather industry.The properties-correcting agent that the present invention uses is aliphatic category waterborne polyurethane resin.
Catalyzer makes polyvinyl alcohol and aqueous polyurethane react more abundant, improves reaction efficiency.The catalyzer that the present invention uses for P-TOLUENE SULFO ACID 99, citric acid and triethylamine wherein a kind of or any two kinds by weight being the mixture of 1:1.
Tensio-active agent refers to have fixing hydrophilic and oleophilic group, on the surface of solution, can align, and the material that can make surface tension significantly decline.One end is nonpolar hydrocarbon chain (alkyl), minimum with the avidity of water, often claims hydrophobic group; The other end be polar group (as-OH ,-COOH ,-NH
2,-SO
3h etc.), there is very large avidity with water.The tensio-active agent that the present invention uses for a kind of in sodium laurylsulfonate, sodium lauryl sulphate and OP-10 or any two kinds by weight the mixture forming for 1:1 or Polyethylene Octylphenol Ether and sodium lauryl sulphate, be the mixture of 2:1 composition by weight.
Defoamer suppresses the generation of foam and eliminates the impact of foam.In the manufacturing processed of water color ink, foam will hinder the dispersion of pigment, and in printing process, foam can produce color problem and the dry problem of printing.So production process need be used defoamer to control the generation of foam.The defoamer that the present invention uses is golden cypress CD-111, Jin Bai CD-3, Jin Bai CD-65, Jin Bai DF-123A, Jin Bai DF126, Jin Bai DF131, a kind of in Jin Bai DF-132.
Flow agent improves the flow leveling of aquosity intaglio printing ink.The flow agent that the present invention uses for organic silicon acrylic ester, waterborne organic silicon, organopolysiloxane wherein a kind of.
Hydrophobizing agent is a kind of mixture compound, after scientific and technical surface modification treatment, be dispersed in water and form stable dispersion, add in coating and water color ink at film formation surface, to form a kind of special water resistant structure and make its surface there is extremely strong hydrophobic, hydrophobic, waterproof, raising taste masking effect.The hydrophobizing agent that the present invention uses for acrylamide and ammonium thiocyanate wherein one or both by weight being the mixture of 1:1.
Thinner reduces the viscosity of aquosity intaglio printing ink.The thinner that the present invention uses, for deionized water and the ethanol mixture of 3:2 by volume, reduces the environmental problem that VOC brings.
Colorant is the key that determines the finished product color and optical characteristics, for aquosity intaglio printing ink provides color, the mobility of ink and viscosity is had a significant impact.Consider the consistency of colorant and resin, it is benzidine yellow G, phthalocyanine blue, permanent red 4B, bronze powder, transparent yellow GG, a kind of in orange G, benzidine yellow G R admittedly forever that the present invention selects colorant, chromatogram is complete, soluble in water, preparation is simple, low price, and the ink stability of preparation is good.What pigment was used is that alkali resistance is good, the good pigment dyestuff of dispersing property in water.
The preparation method of above-mentioned aquosity intaglio printing ink, specifically comprises the following steps:
Step 1, take respectively by weight percentage 6%～12% polyvinyl alcohol, 0.1%～3.5% properties-correcting agent, 37%～70% solvent, 5.3%～9.5% auxiliary agent, 8%～20% colorant, 10%～19% thinner, the weight percent summation of each component is 100% above, and auxiliary agent is the mixture that catalyzer, tensio-active agent, hydrophobizing agent, defoamer and flow agent form;
The solvent that utilizes step 1 to take, under the condition of the waters bath with thermostatic control of 65 ℃～95 ℃, dissolve polyvinyl alcohol is mixed with the aqueous solution of polyvinyl alcohol;
Step 2, pours the polyvinyl alcohol water solution preparing in reaction vessel into, evenly adds catalyzer, tensio-active agent and properties-correcting agent, is to react 30min～45min under the condition of 20 ℃～25 ℃ in temperature; Then add defoamer and flow agent to continue again to stir 10min～20min;
Step 3 adds colorant under temperature is 20 ℃～25 ℃, stirring at low speed, stirs 15min～25min, then adds hydrophobizing agent after adding thinner to stir 10min～20min, stirs 10min～20min, rewinding and get final product.
Aquosity intaglio printing ink of the present invention has following characteristics: (1) polyvinyl alcohol is water-soluble polymer resin few in number, and solvent is water, and nontoxic, pollution-free, cheap, the convenience of drawing materials, does the solvent-free volatilization of binder with it; (2) aquosity intaglio printing ink safety non-pollution of the present invention, production efficiency is high, and printing quality is excellent, and fullness of shade, colour strength and sharpness are obviously better than common ink, and easily the advantage such as cleanings is very favourable for the green printing that realizes environmental protection, health for equipment; (3) weathering resistance of aquosity intaglio printing ink of the present invention, water tolerance, solvent resistance and yellowing resistance are very significantly improved the printing that can be applied to high-grade printed matter.
Preparation method, the technique of aquosity intaglio printing ink of the present invention are simple, easily realize, environment friendly and pollution-free, and equipment used low price, volume are little.
Embodiment 1
Step 1, take respectively by weight percentage 6% polyvinyl alcohol, 0.1% properties-correcting agent, 70% solvent, 5.9% auxiliary agent, 8% colorant, 10% thinner, the weight percent summation of each component is 100% above, wherein catalyzer 0.5%, tensio-active agent 0.5%, hydrophobizing agent 1%, defoamer 1.9% and flow agent 2% in auxiliary agent;
Resin polyvinyl alcohol resin (1788); Properties-correcting agent aliphatic category waterborne polyurethane resin; Solvent is water; Catalyzer P-TOLUENE SULFO ACID 99; Tensio-active agent is sodium laurylsulfonate; Hydrophobizing agent is acrylamide; Defoamer is golden cypress CD-111; Flow agent is machine Si acrylate; Colorant is benzidine yellow G; Thinner is that deionized water and ethanol are by the mixture of 3:2;
The solvent that utilizes step 1 to take is mixed with the aqueous solution of polyvinyl alcohol under the condition of the waters bath with thermostatic control of 65 ℃ with dissolution with solvents polyvinyl alcohol;
Step 2, pours the polyvinyl alcohol water solution preparing in reaction vessel there-necked flask into, evenly adds catalyzer, tensio-active agent and properties-correcting agent, is to react 45min under the condition of 20 ℃ in temperature; Then add defoamer and flow agent to continue again to stir 15min;
Step 3 adds colorant under temperature is 20 ℃, stirring at low speed, stirs 20min, then adds hydrophobizing agent after adding thinner to stir 15min, stirs 20min, rewinding and get final product.
The aquosity intaglio printing ink viscosity that embodiment 1 obtains is at 0.02～0.4Pas(25 ℃).
Embodiment 2
Step 1, take respectively by weight percentage mixture, 0.3% properties-correcting agent, 60% solvent, 6.7% auxiliary agent, 10% colorant, 16% thinner of 7% polyvinyl alcohol (1788) and polyvinyl alcohol (1799), the weight percent summation of each component is 100% above, wherein catalyzer 1.2%, tensio-active agent 0.8%, hydrophobizing agent 1.2%, 2.5% defoamer and 1% flow agent in auxiliary agent;
Resin is polyvinyl alcohol resin (1799); Properties-correcting agent aliphatic category waterborne polyurethane resin; Solvent is water; Catalyzer is citric acid; Tensio-active agent is sodium lauryl sulphate; Hydrophobizing agent is ammonium thiocyanate; Defoamer is golden cypress CD-3; Flow agent is waterborne organic silicon; Colorant is phthalocyanine blue; Thinner is that deionized water and ethanol are by the mixture of 3:2;
The solvent that utilizes step 1 to take is mixed with the aqueous solution of polyvinyl alcohol under the condition of the waters bath with thermostatic control of 95 ℃ with dissolution with solvents polyvinyl alcohol;
Step 2, pours the polyvinyl alcohol water solution preparing in reaction vessel there-necked flask into, evenly adds catalyzer, tensio-active agent and properties-correcting agent, is to react 30min under the condition of 25 ℃ in temperature; Then add defoamer and flow agent to continue again to stir 10min;
Step 3 adds colorant under temperature is 25 ℃, stirring at low speed, stirs 15min, then adds hydrophobizing agent after adding thinner to stir 20min, stirs 15min, rewinding and get final product.
The aquosity intaglio printing ink viscosity that embodiment 2 obtains is at 0.02～0.4Pas(25 ℃).
Embodiment 3
Step 1, take respectively by weight percentage 8% polyvinyl alcohol (1788), 0.7% properties-correcting agent, 56% solvent, 7.3% auxiliary agent, 12% colorant, 16% thinner, the weight percent summation of each component is 100% above, wherein catalyzer 1.5%, tensio-active agent 1%, hydrophobizing agent 1.5%, 1% defoamer and 2.3% flow agent in auxiliary agent;
Resin is polyvinyl alcohol (1788); Properties-correcting agent is aliphatic category waterborne polyurethane resin; Solvent is water; Catalyzer is triethylamine; Tensio-active agent is OP-10; Defoamer is golden cypress CD-65; Flow agent is organopolysiloxane; Hydrophobizing agent is acrylamide; Colorant is permanent red 4B; Thinner is that deionized water and ethanol are by the mixture of 3:2;
The solvent that utilizes step 1 to take, under the condition of the waters bath with thermostatic control of 65 ℃, dissolve polyvinyl alcohol is mixed with the aqueous solution of polyvinyl alcohol;
Step 2, pours the polyvinyl alcohol water solution preparing in reaction vessel there-necked flask into, evenly adds catalyzer, tensio-active agent and properties-correcting agent, is to react 40min under the condition of 23 ℃ in temperature; Then add defoamer and flow agent to continue again to stir 20min;
Step 3 adds colorant under temperature is 23 ℃, stirring at low speed, stirs 25min, then adds hydrophobizing agent after adding thinner to stir 10min, stirs 15min, rewinding and get final product.
The aquosity intaglio printing ink viscosity that embodiment 3 obtains is at 0.02～0.4Pas(25 ℃).
Embodiment 4
Step 1, take respectively by weight percentage 9% polyvinyl alcohol, 0.9% properties-correcting agent, 53% solvent, 6.1% auxiliary agent, 12% colorant, 19% thinner, the weight percent summation of each component is 100% above, wherein catalyzer 0.7%, tensio-active agent 0.6%, hydrophobizing agent 1.8%, defoamer 1.5% and flow agent 1.5% in auxiliary agent;
Resin is that polyvinyl alcohol 1788 and polyvinyl alcohol 1799 are the mixture of 3:1 by weight; Properties-correcting agent is aliphatic category waterborne polyurethane resin; Solvent is water; Catalyzer is P-TOLUENE SULFO ACID 99; Tensio-active agent is Polyethylene Octylphenol Ether and the sodium lauryl sulphate two class tensio-active agents mixture of 2:1 by weight; Defoamer is golden cypress DF-123A; Flow agent is machine Si acrylate; Hydrophobizing agent is ammonium thiocyanate; Colorant is transparent yellow GG; Thinner is that deionized water and ethanol are the mixture of 3:2 by volume.
The solvent that utilizes step 1 to take, under the condition of the waters bath with thermostatic control of 95 ℃, dissolve polyvinyl alcohol is mixed with the aqueous solution of polyvinyl alcohol;
Step 2, pours the polyvinyl alcohol water solution preparing in reaction vessel there-necked flask into, evenly adds catalyzer, tensio-active agent and properties-correcting agent, is to react 45min under the condition of 20 ℃ in temperature; Then add defoamer and flow agent to continue again to stir 12min;
Step 3 adds colorant under temperature is 20 ℃, stirring at low speed, stirs 20min, then adds hydrophobizing agent after adding thinner to stir 15min, stirs 10min, rewinding and get final product.
The aquosity intaglio printing ink viscosity that embodiment 4 obtains is at 0.02～0.4Pas(25 ℃).
Embodiment 5
Step 1, take respectively by weight percentage 10% polyvinyl alcohol (1788), 1.7% properties-correcting agent, 50% solvent, 5.3% auxiliary agent, 16% colorant, 17% thinner, the weight percent summation of each component is 100% above, wherein catalyzer 0.5%, tensio-active agent 0.5%, hydrophobizing agent 2.3%, defoamer 1% and flow agent 1% in auxiliary agent;
Resin is polyvinyl alcohol 1788; Properties-correcting agent is aliphatic category waterborne polyurethane resin; Solvent is water; Catalyzer is citric acid; Tensio-active agent is sodium lauryl sulphate and the sodium laurylsulfonate mixture of 1:1 by weight; Defoamer is golden cypress DF126; Flow agent is waterborne organic silicon; Hydrophobizing agent is acrylamide; Colorant is bronze powder; Thinner is that deionized water and ethanol are the mixture of 3:2 by volume.
The solvent that utilizes step 1 to take, under the condition of the waters bath with thermostatic control of 70 ℃, dissolve polyvinyl alcohol is mixed with the aqueous solution of polyvinyl alcohol;
Step 2, pours the polyvinyl alcohol water solution preparing in reaction vessel there-necked flask into, evenly adds catalyzer, tensio-active agent and properties-correcting agent, is to react 35min under the condition of 25 ℃ in temperature; Then add defoamer and flow agent to continue again to stir 15min;
Step 3 adds colorant under temperature is 20 ℃, stirring at low speed, stirs 18min, then adds hydrophobizing agent after adding thinner to stir 10min, stirs 18min, rewinding and get final product.
The aquosity intaglio printing ink viscosity that embodiment 5 obtains is at 0.02～0.4Pas(25 ℃).
Embodiment 6
Step 1, take respectively by weight percentage 11% polyvinyl alcohol, 2.3% properties-correcting agent, 47% solvent, 7.7% auxiliary agent, 15% colorant, 17% thinner, the weight percent summation of each component is 100% above, wherein catalyzer 0.6%, tensio-active agent 0.7%, hydrophobizing agent 3%, defoamer 1.7% and flow agent 1.7% in auxiliary agent;
Resin is polyvinyl alcohol 1788 and polyvinyl alcohol 1799 mixture of 3:1 by weight; Properties-correcting agent is aliphatic category waterborne polyurethane resin; Solvent is water; Catalyzer is triethylamine; Tensio-active agent is sodium lauryl sulphate and the OP-10 mixture of 1:1 by weight; Defoamer is golden cypress DF131; Flow agent is organopolysiloxane; Hydrophobizing agent is ammonium thiocyanate; Colorant is for forever consolidating orange G; Thinner is that deionized water and ethanol are the mixture of 3:2 by volume;
The solvent that utilizes step 1 to take, under the condition of the waters bath with thermostatic control of 80 ℃, dissolve polyvinyl alcohol is mixed with the aqueous solution of polyvinyl alcohol;
Step 2, pours the polyvinyl alcohol water solution preparing in reaction vessel there-necked flask into, evenly adds catalyzer, tensio-active agent and properties-correcting agent, is to react 40min under the condition of 25 ℃ in temperature; Then add defoamer and flow agent to continue again to stir 18min;
Step 3 adds colorant under temperature is 25 ℃, stirring at low speed, stirs 25min, then adds hydrophobizing agent after adding thinner to stir 16min, stirs 10min, rewinding and get final product.
The aquosity intaglio printing ink viscosity that embodiment 6 obtains is at 0.02～0.4Pas(25 ℃).
Embodiment 7
Step 1, take respectively by weight percentage 12% polyvinyl alcohol, 3.5% properties-correcting agent, 37% solvent, 9.5% auxiliary agent, 20% colorant, 18% thinner, the weight percent summation of each component is 100% above, wherein catalyzer 1%, tensio-active agent 0.7%, hydrophobizing agent 5%, defoamer 1% and flow agent 1.8% in auxiliary agent;
Resin is polyvinyl alcohol resin 1788 and polyvinyl alcohol resin 1799 mixture of 3:1 by weight; Properties-correcting agent is aliphatic category waterborne polyurethane resin; Solvent is water, and catalyzer is P-TOLUENE SULFO ACID 99 and the citric acid mixture of 1:1 by weight; Tensio-active agent is sodium laurylsulfonate and the OP-10 mixture of 1:1 by weight; Defoamer is golden cypress DF-132; Flow agent is organopolysiloxane; Hydrophobizing agent is acrylamide and the ammonium thiocyanate mixture of 1:1 by weight; Colorant is benzidine yellow G R.Thinner is that deionized water and ethanol are the mixture of 3:2 by volume;
The solvent that utilizes step 1 to take, under the condition of the waters bath with thermostatic control of 90 ℃, dissolve polyvinyl alcohol is mixed with the aqueous solution of polyvinyl alcohol;
Step 2, pours the polyvinyl alcohol water solution preparing in reaction vessel there-necked flask into, evenly adds catalyzer, tensio-active agent and properties-correcting agent, is to react 30min under the condition of 25 ℃ in temperature; Then add defoamer and flow agent to continue again to stir 20min;
Step 3 adds colorant under temperature is 20 ℃, stirring at low speed, stirs 20min, then adds hydrophobizing agent after adding thinner to stir 18min, stirs 16min, rewinding and get final product.
The aquosity intaglio printing ink viscosity that embodiment 7 obtains is at 0.02～0.4Pas(25 ℃).
Claims (10)
1. an aquosity intaglio printing ink, it is characterized in that, by following component, formed by weight percentage: 6%～12% polyvinyl alcohol, 0.1%～3.5% properties-correcting agent, 37%～70% solvent, 5.3%～9.5% auxiliary agent, 8%～20% colorant, 10%～19% thinner, the weight percent summation of each component is 100% above, and wherein auxiliary agent is the mixture that catalyzer, tensio-active agent, hydrophobizing agent, defoamer and flow agent form.
2. aquosity intaglio printing ink according to claim 1, is characterized in that, described properties-correcting agent is aliphatic category waterborne polyurethane resin; Solvent is water; Thinner is that deionized water and ethanol are the mixture of 3:2 by volume.
3. aquosity intaglio printing ink according to claim 1, it is characterized in that, in described auxiliary agent, the per-cent that each component accounts for aquosity intaglio printing ink gross weight is: 0.5%～1.5% catalyzer, 0.5%～1.0% tensio-active agent, 1%～5% hydrophobizing agent, 1%～2.3% flow agent, 1%～2.5% defoamer.
4. aquosity intaglio printing ink according to claim 3, is characterized in that, described catalyzer is a kind of or any two kinds of mixtures that form for 1:1 by weight in P-TOLUENE SULFO ACID 99, citric acid and triethylamine; Tensio-active agent is that a kind of in sodium laurylsulfonate, sodium lauryl sulphate and OP-10 or any two kinds are the mixture of 2:1 composition by weight the mixture forming for 1:1 or Polyethylene Octylphenol Ether and sodium lauryl sulphate by weight; Hydrophobizing agent is the mixture a kind of or that form for 1:1 by weight in acrylamide and ammonium thiocyanate; Defoamer is golden cypress CD-111, Jin Bai CD-3, Jin Bai CD-65, Jin Bai DF-123A, Jin Bai DF126, Jin Bai DF131, a kind of in Jin Bai DF-132; Flow agent is a kind of in organic silicon acrylic ester, waterborne organic silicon, organopolysiloxane.
5. aquosity intaglio printing ink according to claim 1, is characterized in that, described colorant is benzidine yellow G, phthalocyanine blue, permanent red 4B, bronze powder, transparent yellow GG, a kind of in orange G, benzidine yellow G R admittedly forever.
6. the preparation method of aquosity intaglio printing ink according to claim 1, is characterized in that, specifically comprises the following steps:
Step 1, take respectively by weight percentage 6%～12% polyvinyl alcohol, 0.1%～3.5% properties-correcting agent, 37%～70% solvent, 5.3%～9.5% auxiliary agent, 8%～20% colorant, 10%～19% thinner, the weight percent summation of each component is 100% above, and wherein auxiliary agent is the mixture that catalyzer, tensio-active agent, hydrophobizing agent, defoamer and flow agent form;
The solvent that utilizes step 1 to take, under the condition of the waters bath with thermostatic control of 65 ℃～95 ℃, dissolve polyvinyl alcohol is mixed with the aqueous solution of polyvinyl alcohol;
Step 2, pours the polyvinyl alcohol water solution preparing in reaction vessel there-necked flask into, evenly adds catalyzer, tensio-active agent and properties-correcting agent, is to react 30min～45min under the condition of 20 ℃～25 ℃ in temperature; Then add defoamer and flow agent to continue again to stir 10min～20min;
Step 3 adds colorant under temperature is 20 ℃～25 ℃, stirring at low speed, stirs 15min～25min, then adds thinner to stir 10min～20min finally to add hydrophobizing agent, stir 10min～20min, rewinding and get final product.
7. the preparation method of aquosity intaglio printing ink according to claim 6, is characterized in that, in step 1, properties-correcting agent is aliphatic category waterborne polyurethane resin; Solvent is water; Thinner is that deionized water and ethanol are the mixture of 3:2 by volume.
8. the preparation method of aquosity intaglio printing ink according to claim 6, it is characterized in that, in step 1, in auxiliary agent, the per-cent that each component accounts for aquosity intaglio printing ink gross weight is: 0.5%～1.5% catalyzer, 0.5%～1.0% tensio-active agent, 1%～5% hydrophobizing agent, 1%～2.3% flow agent, 1%～2.5% defoamer.
9. the preparation method of aquosity intaglio printing ink according to claim 8, is characterized in that, described catalyzer is a kind of or any two kinds of mixtures that form for 1:1 by weight in P-TOLUENE SULFO ACID 99, citric acid and triethylamine; Tensio-active agent is that a kind of in sodium laurylsulfonate, sodium lauryl sulphate and OP-10 or any two kinds are the mixture of 2:1 composition by weight the mixture forming for 1:1 or Polyethylene Octylphenol Ether and sodium lauryl sulphate by weight; Hydrophobizing agent is the mixture a kind of or that form for 1:1 by weight in acrylamide and ammonium thiocyanate; Defoamer is golden cypress CD-111, Jin Bai CD-3, Jin Bai CD-65, Jin Bai DF-123A, Jin Bai DF126, Jin Bai DF131, a kind of in Jin Bai DF-132; Flow agent is a kind of in organic silicon acrylic ester, waterborne organic silicon, organopolysiloxane.
10. the preparation method of aquosity intaglio printing ink according to claim 6, is characterized in that, in step 1, colorant is benzidine yellow G, phthalocyanine blue, permanent red 4B, bronze powder, transparent yellow GG, a kind of in orange G, benzidine yellow G R admittedly forever.
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| CN104263072A (en) * | 2014-10-13 | 2015-01-07 | 北京印刷学院 | Pure water based cyan ink for plastic gravure and preparation method thereof |
| CN104312289B (en) * | 2014-10-13 | 2016-08-24 | 北京印刷学院 | Pure water plastic gravure yellow ink and preparation method thereof |
| CN107793835A (en) * | 2017-11-24 | 2018-03-13 | 天长市天翔包装有限公司 | A kind of aqueous, environmental protective gravure ink and preparation method thereof |
| CN108410264A (en) * | 2018-04-10 | 2018-08-17 | 辽宁蔚蓝科技有限公司 | A kind of environment-friendly type aqueous gravure ink and preparation method thereof |
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Inventor after: Gui Wenwei Inventor after: Wu Zhi Inventor before: Liu Xin Inventor before: Gao Hongli |
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Effective date of registration: 20170123 Address after: 523000 Guangdong province Dongguan city Lek Village of Changping Town Industrial Zone No. 202 South Gate Bridge Patentee after: DONGGUAN HAOCAI INK TECHNOLOGY CO.,LTD. Address before: 710048 Shaanxi city of Xi'an Province Jinhua Road No. 5 Patentee before: XI'AN University OF TECHNOLOGY |
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Denomination of invention: A water-based gravure ink and its preparation method Effective date of registration: 20220714 Granted publication date: 20160420 Pledgee: China Co. truction Bank Corp Dongguan branch Pledgor: DONGGUAN HAOCAI INK TECHNOLOGY CO.,LTD. Registration number: Y2022980010511 |