A kind of aquosity intaglio printing ink and preparation method thereof
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, 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 the parent of people to look at always.For a long time, what adopt in paper wrapper gravure technique is all solvent type ink mostly, volatile, inflammable and explosive, poisonous, the irritant smells of organic compound such as the benzene wherein contained, toluene, ethyl acetate, create great harm to human body and atmospheric environment in printing process.Raising along with people's environmental consciousness existing packaging print quality weathering resistance, yellowing resistance, poor water resistance, the residual quantity of volatile organic compounds is many, more and more can not meet the demand of people.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 water color ink, independent aqueous polyurethane that ink, separately polyvinyl alcohol that ink, alicyclic waterborne polyurethane modified polyvinyl alcohol that aromatic waterborne polyurethane modified polyvinyl alcohol is prepared as aquosity intaglio printing ink binder are prepared as water color ink binder prepares as binder are prepared as binder; The ink prepared as solvent with benzene,toluene,xylene, they are lower to the binding property of pigment and other fine solid particles, volatile organic compounds residual quantity is many, printing yellowing resistance, water tolerance, weathering resistance, less stable, is restricted in range of application.
Summary of the invention
The object of this invention is to provide a kind of aquosity intaglio printing ink, solve the water tolerance of existing aquosity intaglio printing ink, weathering resistance, less stable, 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, be made up of following component 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 of catalyzer, tensio-active agent, hydrophobizing agent, defoamer and flow agent composition.
Feature of the present invention is also,
Properties-correcting agent is aliphatic category waterborne polyurethane resin; Solvent is water; Thinner is deionized water and ethanol is 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 be in P-TOLUENE SULFO ACID 99, citric acid and triethylamine a kind of or any two kinds by weight for 1:1 form mixture; Tensio-active agent be in sodium laurylsulfonate, sodium lauryl sulphate and OP-10 a kind of or any two kinds by weight being mixture that 2:1 forms by weight for the mixture of 1:1 composition or Polyethylene Octylphenol Ether and sodium lauryl sulphate; Hydrophobizing agent is a kind of in acrylamide and ammonium thiocyanate or by weight the mixture formed for 1:1; Defoamer is golden cypress CD-111, Jin Bai CD-3, Jin Bai CD-65, Jin Bai DF-123A, Jin Bai DF126, Jin Bai DF131, the one in Jin Bai DF-132; Flow agent is the one in organic silicon acrylic ester, waterborne organic silicon, organopolysiloxane.
Colorant is benzidine yellow G, phthalocyanine blue, permanent red 4B, bronze powder, transparent yellow GG, one forever admittedly in orange G, benzidine yellow G R.
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 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 by weight percentage respectively, the weight percent summation of each component is 100% above, and wherein auxiliary agent is the mixture of catalyzer, tensio-active agent, hydrophobizing agent, defoamer and flow agent composition;
Utilize the solvent that step 1 takes, under the condition of the water bath with thermostatic control of 65 DEG C ~ 95 DEG C, dissolve polyvinyl alcohol is mixed with the aqueous solution of polyvinyl alcohol;
Step 2, pours into the polyvinyl alcohol water solution prepared in reaction vessel there-necked flask, evenly adds catalyzer, tensio-active agent and properties-correcting agent, is to react 30min ~ 45min under the condition of 20 DEG C ~ 25 DEG C in temperature; Then add defoamer and flow agent to continue again to stir 10min ~ 20min;
Step 3, is 20 DEG C ~ 25 DEG C in temperature, adds colorant under stirring at low speed, stir 15min ~ 25min, then adds thinner and stir 10min ~ 20min and finally add hydrophobizing agent, stirs 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 deionized water and ethanol is 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 be in P-TOLUENE SULFO ACID 99, citric acid and triethylamine a kind of or any two kinds by weight for 1:1 form mixture; Tensio-active agent be in sodium laurylsulfonate, sodium lauryl sulphate and OP-10 a kind of or any two kinds by weight being mixture that 2:1 forms by weight for the mixture of 1:1 composition or Polyethylene Octylphenol Ether and sodium lauryl sulphate; Hydrophobizing agent is a kind of in acrylamide and ammonium thiocyanate or by weight the mixture formed for 1:1; Defoamer is golden cypress CD-111, Jin Bai CD-3, Jin Bai CD-65, Jin Bai DF-123A, Jin Bai DF126, Jin Bai DF131, the one in Jin Bai DF-132; Flow agent is the one 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, one forever admittedly in orange G, benzidine yellow G R.
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, 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, equipment easily to clean etc. advantage for realizing environmental protection, healthy green printing is very favourable; (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, and easily realize, environment friendly and pollution-free, 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, be made up of following component 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 of catalyzer, tensio-active agent, hydrophobizing agent, defoamer and flow agent composition.
Properties-correcting agent is aliphatic category waterborne polyurethane resin; Solvent is water; Thinner is deionized water and ethanol is 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, one forever admittedly in orange G, benzidine yellow G R.
Catalyzer be in P-TOLUENE SULFO ACID 99, citric acid and triethylamine a kind of or any two kinds by weight for 1:1 form mixture; Tensio-active agent be in sodium laurylsulfonate, sodium lauryl sulphate and OP-10 a kind of or any two kinds by weight being mixture that 2:1 forms by weight for the mixture of 1:1 composition or Polyethylene Octylphenol Ether and sodium lauryl sulphate; Hydrophobizing agent is a kind of in acrylamide and ammonium thiocyanate or by weight the mixture formed for 1:1; Defoamer is golden cypress CD-111, Jin Bai CD-3, Jin Bai CD-65, Jin Bai DF-123A, Jin Bai DF126, Jin Bai DF131, the one in Jin Bai DF-132; Flow agent is the one in organic silicon acrylic ester, waterborne organic silicon, organopolysiloxane.
Resin is the chief component of aquosity intaglio printing ink, plays a crucial role in aquosity intaglio printing ink system as binder.Polyvinyl alcohol is white powdery resin, is obtained by Vinyl Acetate Copolymer alcoholysis.Due on its molecular chain containing a large amount of sides base-hydroxyl, thus it has good water-soluble.Can be dissolved in hot water, be one of few in number macromolecular material that can be used for water as solvent, 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.Polyvinyl alcohol is to porous, fusion power that water-wetted surface is as strong in paper, textiles, timber and leather surface have.It is also effective tackiness agent to pigment and other fine solid particles.To smoothly, not water sucting surface is 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 binder.Polyvinyl alcohol is used 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.Be processed into coating, tackiness agent, porous plastics and elastomerics thus 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 reaction more fully, improves reaction efficiency.The catalyzer that the present invention uses is P-TOLUENE SULFO ACID 99, citric acid and triethylamine wherein a kind of or any two kinds by weight the mixture being 1:1.
Tensio-active agent refers to have fixing hydrophilic and oleophilic group, aligns, and can make the material that surface tension significantly declines in the surface energy of solution.One end is nonpolar hydrocarbon chain (alkyl), minimum with the avidity of water, often claims hydrophobic group; The other end be then 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 is sodium laurylsulfonate, in sodium lauryl sulphate and OP-10 a kind of or any two kinds by weight being mixture that 2:1 forms by weight for the mixture of 1:1 composition or Polyethylene Octylphenol Ether and sodium lauryl sulphate.
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 use 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, the one in Jin Bai DF-132.
Flow agent improves the flow leveling of aquosity intaglio printing ink.The flow agent that the present invention uses is organic silicon acrylic ester, waterborne organic silicon, organopolysiloxane are 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 and form a kind of special water-resistant structure at film formation surface in coating and water color ink and make its surface have extremely strong hydrophobic, hydrophobic, waterproof, raising taste masking effect.For acrylamide and ammonium thiocyanate, wherein one or both are the mixture of 1:1 to the hydrophobizing agent that the present invention uses by weight.
Thinner reduces the viscosity of aquosity intaglio printing ink.The thinner that the present invention uses is the mixture of deionized water and ethanol by volume 3:2, reduces the environmental problem that VOC brings.
Colorant is the key determining the finished product color and optical characteristics, for aquosity intaglio printing ink provides color, has a significant impact the mobility of ink and viscosity.Consider the consistency of colorant and resin, the present invention selects colorant to be benzidine yellow G, phthalocyanine blue, permanent red 4B, bronze powder, transparent yellow GG, one forever admittedly in orange G, benzidine yellow G R, chromatogram is complete, soluble in water, preparation is simple, low price, and the ink stability of preparation is good.Pigment uses alkali resistance good, the pigment dyestuff that dispersing property is good in water.
The preparation method of above-mentioned aquosity intaglio printing ink, specifically comprises the following steps:
Step 1, take 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 by weight percentage respectively, the weight percent summation of each component is 100% above, and auxiliary agent is the mixture of catalyzer, tensio-active agent, hydrophobizing agent, defoamer and flow agent composition;
Utilize the solvent that step 1 takes, under the condition of the water bath with thermostatic control of 65 DEG C ~ 95 DEG C, dissolve polyvinyl alcohol is mixed with the aqueous solution of polyvinyl alcohol;
Step 2, pours in reaction vessel by the polyvinyl alcohol water solution prepared, and evenly adds catalyzer, tensio-active agent and properties-correcting agent, is to react 30min ~ 45min under the condition of 20 DEG C ~ 25 DEG C in temperature; Then add defoamer and flow agent to continue again to stir 10min ~ 20min;
Step 3, is 20 DEG C ~ 25 DEG C in temperature, adds colorant under stirring at low speed, stir 15min ~ 25min, then adds after thinner stirs 10min ~ 20min and add hydrophobizing agent, 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, 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, equipment easily to clean etc. advantage for realizing environmental protection, healthy green printing is very favourable; (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, and easily realize, environment friendly and pollution-free, equipment used low price, volume are little.
Embodiment 1
Step 1, take 6% polyvinyl alcohol, 0.1% properties-correcting agent, 70% solvent, 5.9% auxiliary agent, 8% colorant, 10% thinner by weight percentage respectively, 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 deionized water and the ethanol mixture by 3:2;
Utilize the solvent that step 1 takes, under the condition of the water bath with thermostatic control of 65 DEG C, be mixed with the aqueous solution of polyvinyl alcohol with dissolution with solvents polyvinyl alcohol;
Step 2, pours into the polyvinyl alcohol water solution prepared in reaction vessel there-necked flask, evenly adds catalyzer, tensio-active agent and properties-correcting agent, is to react 45min under the condition of 20 DEG C in temperature; Then add defoamer and flow agent to continue again to stir 15min;
Step 3, is 20 DEG C in temperature, adds colorant under stirring at low speed, stir 20min, then adds after thinner stirs 15min and add hydrophobizing agent, stirs 20min, rewinding and get final product.
The aquosity intaglio printing ink viscosity that embodiment 1 obtains is at 0.02 ~ 0.4Pas(25 DEG C).
Embodiment 2
Step 1, take the mixture of 7% polyvinyl alcohol (1788) and polyvinyl alcohol (1799), 0.3% properties-correcting agent, 60% solvent, 6.7% auxiliary agent, 10% colorant, 16% thinner by weight percentage respectively, 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 deionized water and the ethanol mixture by 3:2;
Utilize the solvent that step 1 takes, under the condition of the water bath with thermostatic control of 95 DEG C, be mixed with the aqueous solution of polyvinyl alcohol with dissolution with solvents polyvinyl alcohol;
Step 2, pours into the polyvinyl alcohol water solution prepared in reaction vessel there-necked flask, evenly adds catalyzer, tensio-active agent and properties-correcting agent, is to react 30min under the condition of 25 DEG C in temperature; Then add defoamer and flow agent to continue again to stir 10min;
Step 3, is 25 DEG C in temperature, adds colorant under stirring at low speed, stir 15min, then adds after thinner stirs 20min and add hydrophobizing agent, stirs 15min, rewinding and get final product.
The aquosity intaglio printing ink viscosity that embodiment 2 obtains is at 0.02 ~ 0.4Pas(25 DEG C).
Embodiment 3
Step 1, take 8% polyvinyl alcohol (1788), 0.7% properties-correcting agent, 56% solvent, 7.3% auxiliary agent, 12% colorant, 16% thinner by weight percentage respectively, 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 deionized water and the ethanol mixture by 3:2;
Utilize the solvent that step 1 takes, under the condition of the water bath with thermostatic control of 65 DEG C, dissolve polyvinyl alcohol is mixed with the aqueous solution of polyvinyl alcohol;
Step 2, pours into the polyvinyl alcohol water solution prepared in reaction vessel there-necked flask, evenly adds catalyzer, tensio-active agent and properties-correcting agent, is to react 40min under the condition of 23 DEG C in temperature; Then add defoamer and flow agent to continue again to stir 20min;
Step 3, is 23 DEG C in temperature, adds colorant under stirring at low speed, stir 25min, then adds after thinner stirs 10min and add hydrophobizing agent, stirs 15min, rewinding and get final product.
The aquosity intaglio printing ink viscosity that embodiment 3 obtains is at 0.02 ~ 0.4Pas(25 DEG C).
Embodiment 4
Step 1, take 9% polyvinyl alcohol, 0.9% properties-correcting agent, 53% solvent, 6.1% auxiliary agent, 12% colorant, 19% thinner by weight percentage respectively, 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 polyvinyl alcohol 1788 and polyvinyl alcohol 1799 is 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 the mixture of Polyethylene Octylphenol Ether and sodium lauryl sulphate two class tensio-active agent 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 deionized water and ethanol is the mixture of 3:2 by volume.
Utilize the solvent that step 1 takes, under the condition of the water bath with thermostatic control of 95 DEG C, dissolve polyvinyl alcohol is mixed with the aqueous solution of polyvinyl alcohol;
Step 2, pours into the polyvinyl alcohol water solution prepared in reaction vessel there-necked flask, evenly adds catalyzer, tensio-active agent and properties-correcting agent, is to react 45min under the condition of 20 DEG C in temperature; Then add defoamer and flow agent to continue again to stir 12min;
Step 3, is 20 DEG C in temperature, adds colorant under stirring at low speed, stir 20min, then adds after thinner stirs 15min and add hydrophobizing agent, stirs 10min, rewinding and get final product.
The aquosity intaglio printing ink viscosity that embodiment 4 obtains is at 0.02 ~ 0.4Pas(25 DEG C).
Embodiment 5
Step 1, take 10% polyvinyl alcohol (1788), 1.7% properties-correcting agent, 50% solvent, 5.3% auxiliary agent, 16% colorant, 17% thinner by weight percentage respectively, 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 the mixture of sodium lauryl sulphate and sodium laurylsulfonate 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 deionized water and ethanol is the mixture of 3:2 by volume.
Utilize the solvent that step 1 takes, under the condition of the water bath with thermostatic control of 70 DEG C, dissolve polyvinyl alcohol is mixed with the aqueous solution of polyvinyl alcohol;
Step 2, pours into the polyvinyl alcohol water solution prepared in reaction vessel there-necked flask, evenly adds catalyzer, tensio-active agent and properties-correcting agent, is to react 35min under the condition of 25 DEG C in temperature; Then add defoamer and flow agent to continue again to stir 15min;
Step 3, is 20 DEG C in temperature, adds colorant under stirring at low speed, stir 18min, then adds after thinner stirs 10min and add hydrophobizing agent, stirs 18min, rewinding and get final product.
The aquosity intaglio printing ink viscosity that embodiment 5 obtains is at 0.02 ~ 0.4Pas(25 DEG C).
Embodiment 6
Step 1, take 11% polyvinyl alcohol, 2.3% properties-correcting agent, 47% solvent, 7.7% auxiliary agent, 15% colorant, 17% thinner by weight percentage respectively, 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 the mixture of polyvinyl alcohol 1788 and polyvinyl alcohol 1799 3:1 by weight; Properties-correcting agent is aliphatic category waterborne polyurethane resin; Solvent is water; Catalyzer is triethylamine; Tensio-active agent is the mixture of sodium lauryl sulphate and OP-10 1:1 by weight; Defoamer is golden cypress DF131; Flow agent is organopolysiloxane; Hydrophobizing agent is ammonium thiocyanate; Colorant is forever consolidate orange G; Thinner is deionized water and ethanol is the mixture of 3:2 by volume;
Utilize the solvent that step 1 takes, under the condition of the water bath with thermostatic control of 80 DEG C, dissolve polyvinyl alcohol is mixed with the aqueous solution of polyvinyl alcohol;
Step 2, pours into the polyvinyl alcohol water solution prepared in reaction vessel there-necked flask, evenly adds catalyzer, tensio-active agent and properties-correcting agent, is to react 40min under the condition of 25 DEG C in temperature; Then add defoamer and flow agent to continue again to stir 18min;
Step 3, is 25 DEG C in temperature, adds colorant under stirring at low speed, stir 25min, then adds after thinner stirs 16min and add hydrophobizing agent, stirs 10min, rewinding and get final product.
The aquosity intaglio printing ink viscosity that embodiment 6 obtains is at 0.02 ~ 0.4Pas(25 DEG C).
Embodiment 7
Step 1, take 12% polyvinyl alcohol, 3.5% properties-correcting agent, 37% solvent, 9.5% auxiliary agent, 20% colorant, 18% thinner by weight percentage respectively, 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 the mixture of polyvinyl alcohol resin 1788 and polyvinyl alcohol resin 1799 3:1 by weight; Properties-correcting agent is aliphatic category waterborne polyurethane resin; Solvent is water, and catalyzer is the mixture of P-TOLUENE SULFO ACID 99 and citric acid 1:1 by weight; Tensio-active agent is the mixture of sodium laurylsulfonate and OP-10 1:1 by weight; Defoamer is golden cypress DF-132; Flow agent is organopolysiloxane; Hydrophobizing agent is the mixture of acrylamide and ammonium thiocyanate 1:1 by weight; Colorant is benzidine yellow G R.Thinner is deionized water and ethanol is the mixture of 3:2 by volume;
Utilize the solvent that step 1 takes, under the condition of the water bath with thermostatic control of 90 DEG C, dissolve polyvinyl alcohol is mixed with the aqueous solution of polyvinyl alcohol;
Step 2, pours into the polyvinyl alcohol water solution prepared in reaction vessel there-necked flask, evenly adds catalyzer, tensio-active agent and properties-correcting agent, is to react 30min under the condition of 25 DEG C in temperature; Then add defoamer and flow agent to continue again to stir 20min;
Step 3, is 20 DEG C in temperature, adds colorant under stirring at low speed, stir 20min, then adds after thinner stirs 18min and add hydrophobizing agent, stirs 16min, rewinding and get final product.
The aquosity intaglio printing ink viscosity that embodiment 7 obtains is at 0.02 ~ 0.4Pas(25 DEG C).