CN102134294B - High-covering-power styrene-acrylate emulsion, synthesis method thereof and use thereof in aqueous printing ink - Google Patents
High-covering-power styrene-acrylate emulsion, synthesis method thereof and use thereof in aqueous printing ink Download PDFInfo
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Abstract
The invention relates to the field of printing ink and discloses high-covering-power styrene-acrylate emulsion, a synthesis method thereof and use thereof in aqueous printing ink. The preparation method comprises: mixing deionized water, an initiator, a lacquer and a composite emulsifier to obtain solution A; regulating the pH value; introducing nitrogen to remove oxygen; mixing a monomer with a molecular weight regulator to obtain solution B; dripping solution B into solution A to perform a chemical reaction; regulating the pH value of shell emulsion and heating to prepare shell emulsion; adding a composite emulsifier and an initiator into the synthesized shell emulsion; dripping a vinyl monomer to synthesize core-shell emulsion; and cooling, regulating the pH value and filtering to obtain the styrene-acrylate emulsion. The invention also provides aqueous printing ink using the high-covering-power styrene-acrylate emulsion. The preparation process is very simple, the reaction process is simple and easy to control, the operability is high, and the method is suitable for large-scale production. The aqueous printing ink disclosed by the invention is high in resolubility, is insusceptible to crusting and blocking printing plate and has high printing adaptability.
Description
Technical field
The present invention relates to ink area, specifically a kind of for the benzene emulsion of printing ink and the printing ink that adopts this benzene emulsion.
Background technology
As everyone knows, most paper finished surface is not smooth smooth, and under microscopical observation, the surface of paper is rough.So when the independent printing of general printing ink was got on, the planarization of the film-forming resin in printing ink can be fallen by the concave, convex structure deteriorate of paper surface, thereby affects the picture and text printing quality of paper.Use core-shell emulsion as the carrier of printing ink, can play good improvement effect.
The membrane formation mechanism of core-shell emulsion is: in the moisture evaporation process in emulsion, have the regular accumulation of emulsion particle of particle shape, form the resin molding take particle as framework.When core-shell emulsion was used as the carrier of printing ink, after the moisture evaporation of core-shell emulsion, the core-shell latex particles with different size can be smooth the pit landfill on paper, forms the resin molding that flushes.Therefore such film-formation result can make printed matter have the outward appearance more smooth, smooth, that fullness ratio is high.
But this size for the emulsion particle in core-shell emulsion has just had harsh limited range: the emulsion particle that particle diameter is too little, can not satisfy the requirement of filling up pit; The emulsion particle that particle diameter is too large can be brought up the more serious convex-concave surface of one deck again.
Based on above purpose, as far back as the sixties in 20th century, people carry out deep research and analysis to the Particle configuration in polymer emulsion, especially since the eighties, have studied more deep.Research is found, the Particle configuration difference, and the performance of its emulsion polymer just differs widely, and the structural form of emulsion particle and the performance of polymkeric substance have close corresponding relation.So people have proposed these new ideas of " particle design " (particle design).So-called particle design is exactly not change raw-material component, do not increasing under the prerequisite of product cost, utilize the principles such as Polymer Physics, polymer chemistry, molecular designing, emulsion particle form thermodynamics and emulsion particle form kinetics, by design, meticulous design dexterously, by formulating rational synthesis technique, select suitable polymerizing condition, on purpose prepare consciously the emulsion particle with certain ad hoc structure form, give emulsion polymer with the performance of excellence and special function.Core-shell emulsion polymerization can change the structure of latex particle under the prerequisite that does not change the emulsion monomer composition, thereby improves emulsion property.Core-shell emulsion polymerization is compared with the emulsion that conventional emulsion polymerization obtains, and maximum advantage is: the anti-after-tackiness of the emulsion that core-shell emulsion polymerization obtains is good, and minimum film-forming temperature is low, has better film-forming properties, stability, and more superior mechanical property.
Core-shell emulsion polymerization can telomerized polymer the Tg value, hardness that can the telomerized polymer film, and bring internal plasticization for system; By introducing with different reactive groups, the monomer as carboxyl, hydroxyl, amide group etc. can bring polymeric film some characteristic physicomechanical properties.Thereby as the carrier of printing ink, can design synthetic satisfactory core-shell emulsion according to specific requirement.Reach the nucleocapsid structure that both has appropriate size, have again the emulsion with the printing ink excellent compatibility, have strict demand for monomer performance, the compound probability of selecting synthetic emulsion.
Benzene emulsion is to be got through emulsion copolymerization by vinylbenzene and acrylate monomer.Benzene emulsion sticking power is good, and glued membrane is transparent, and water-fast, oil resistant, heat-resisting, ageing-resistant performance is good, is widely used in interior exterior wall latex paint and water-borne coatings, also obtains in printing ink widely and uses.But the complicated process of preparation of nucleocapsid benzene emulsion of the prior art, raw material is many, and cost is also high, and operation is not very stable, so benzene emulsion of the prior art is opacifying property relatively poor, can not satisfy well the requirement of high netting twine, high precision, high speed printing in ink printing; In addition, the nucleocapsid benzene emulsion water tolerance of prior art and weathering resistance or weaker are joined and the water color ink used time, and the easy skinning of printing ink easily stops up printing board material.
Summary of the invention
In order to address the above problem, the invention provides that a kind of preparation technology is simple, the method for preparing the nucleocapsid benzene emulsion of stable operation, adopt the nucleocapsid benzene emulsion of present method preparation to have more excellent water tolerance and weathering resistance, have better opacifying property.
A kind of preparation method of high covering-power styrene-acrylate emulsion, take vinyl monomer as major ingredient, described preparation method comprises the following steps and processing condition:
The shell emulsion is synthetic:
(1) deionized water, initiator, protection glue, compound emulsifying agent are mixed rising temperature for dissolving, become solution A;
(2) add pH adjusting agent after solution A being warmed up to 80 ℃～85 ℃, regulator solution pH value is between 7.5～8.8;
(3) then pass into the nitrogen deoxygenation;
(4) vinylformic acid and acrylate mixing monomer and molecular weight regulator are mixed, become solution B;
(5) under 80 ℃～85 ℃ of design temperatures, carry out chemical reaction in the solution of dropping solution B to the (3) step, time for adding is 30 minutes～40 minutes, waits to dropwise, continue reaction 25 minutes～35 minutes, generation shell emulsion in 80 ℃～85 ℃;
(6) then add pH adjusting agent to regulate the shell ph value of emulsion 7.1～8.0, be warming up to 88 ℃～92 ℃, make the shell emulsion;
The weight percent of reactant each component is in body series: vinylformic acid and acrylate mixing monomer 18～20% thereof, emulsifying agent 1～3%, initiator 0.1～1%, molecular weight regulator 1～3%, protection glue 1～2.5%, pH adjusting agent 0.1～4%, and all the other are deionized water;
Core-shell emulsion is synthetic:
(1) compound emulsifying agent, initiator are joined in the middle of synthetic shell emulsion;
(2) in 88 ℃～92 ℃ of design temperatures, being added dropwise to vinylbenzene, to carry out core-shell emulsion synthetic, drips 100 minutes～120 minutes used time, after dropwising, continues reaction 60 minutes～90 minutes in 88 ℃～92 ℃;
(3) cooling, regulate pH value 8.0～8.5, filtration obtains benzene emulsion;
The weight percent of each component of reactant is in body series: vinylbenzene 78～81%, initiator 0.1～1%, emulsifying agent 3～5%, pH adjusting agent 0.5～3%, all the other are deionized water.
Preferably, the vinylformic acid and the acrylate mixing monomer thereof that adopt in described shell emulsion synthesis step are vinylformic acid and C thereof
1～C
10Alcohol ester.
Further, in the emulsion particle of described core-shell emulsion: in shell in vinylformic acid and acrylate mixing monomer and core the ratio of the weight of styrene monomer be 1: 1～5.More preferably in shell in vinylformic acid and acrylate mixing monomer and core the ratio of the weight of styrene monomer be 1: 3.8～4.2.The design of described nucleocapsid ratio makes synthetic benzene emulsion have the latex particle of ideal dimensions.
Wherein said pH adjusting agent can be alcamines organic amine and ammoniacal liquor.Preferred following alcamines organic amine: Monoethanolamine MEA BASF, diethanolamine, trolamine, 3-Propanolamine, monoisopropanolamine, diisopropanolamine (DIPA), tri-isopropanolamine, N, N-dimethylethanolamine, N, a kind of in the N-diethylethanolamine.
Further again: described emulsifying agent is the compound emulsifying agent that negatively charged ion and nonionic emulsifying agent obtain, and wherein the ratio of anionic emulsifier and nonionic emulsifying agent is 1: 1.5～1.85.
Optionally, described anionic emulsifier is in sodium lauryl sulphate, Sodium dodecylbenzene sulfonate, alkyl diphenyl ether disulphonic acid sodium, 1-propenyloxy group-2-hydroxypropanesulfonic acid sodium, sodium laurylsulfonate, polyoxyethylenated alcohol sodium sulfate, ethoxylated alkylphenol ammonium sulfate, Nonyl pheno (10) ether-2-sulfate monomester succinate disodium salt a kind or 2 kinds;
Described nonionic emulsifying agent is a kind or 2 kinds in methyl acrylic multi-styrene alkylphenol oxyethyl group, polyoxyethylene nonylphenol ether, polyoxyethylene octylphenol ether.
Optionally, described molecular weight regulator is a kind of in uncle's DDM dodecyl mercaptan, tert-dodecyl mercaptan, acetic acid n-dodecyl mercaptan ester, phenylformic acid n-dodecyl mercaptan ester, 1-n-dodecane sulfenyl ethapon, two fragrant acyl disulphide or 3-mercaprol.
Optionally, described protection glue is one or both in polyvinyl alcohol, Mierocrystalline cellulose and polyacrylic acid sodium salt emulsion.
Optionally, described water soluble starter is ammonium persulphate or Potassium Persulphate.Initiator system of ammonium persulfate.
Another object of the present invention is to provide a kind of high covering-power styrene-acrylate emulsion that adopts the aforesaid method preparation.
Another object of the present invention is to provide a kind of water color ink that adopts described high covering-power styrene-acrylate emulsion.Described water color ink comprises at least a water color ink base China ink, at least a filming emulsion, at least a high covering-power styrene-acrylate emulsion, at least a wax emulsion, and non-filming emulsion is high covering-power styrene-acrylate emulsion of the present invention.
Preferably, described water color ink base resin used is the water-soluble rosin resin, and its weight accounts for 2%～96% of water color ink weight; Described filming emulsion is vinylformic acid or acrylic emulsion, and Tg is-7 ℃～65 ℃, and its weight accounts for 2%～40% of water color ink weight; Described benzene emulsion, Tg are 60 ℃～90 ℃, and its weight accounts for 10%～50% of water color ink weight; Described wax emulsion is water-soluble polyethylene wax emulsion, and its weight accounts for 0.1%～1% of water color ink weight.
In synthesis technique of the present invention, regulate the pH value of emulsion after the first step drips mix monomer, then drip vinyl monomer and carry out core-shell emulsion and synthesize.The purpose that the first step drips mix monomer drips vinyl monomer reaction " seed " in order to prepare a kind of suitable back.Concerning water-soluble larger monomer, easily hydrolysis reaction occurs and make the macromolecular chain end generate ionic group (part end ionic group is by water soluble starter band people).These end ionic groups play emulsifying agent.And in the shell emulsion is synthetic, adding ammoniacal liquor to regulate the pH value, essence is to regulate the balance of the hydrophilic and oleophilic of this shell emulsion macromolecular chain end ionic group, i.e. the HLB equilibrium value of emulsion.Be to be mixed syntheticly by vinylformic acid and acrylate monomer and be somebody's turn to do " seed ", be linear polymeric structure, thereby the core-shell emulsion that is wrapped up by these macromolecule networks has more excellent water tolerance and weathering resistance when film forming.
The high covering-power styrene-acrylate emulsion preparation technology who provides of the present invention has the following advantages:
(1) preparation process is very simple, and reaction process is simple and easy to control, and operability is stable, is suitable for large-scale production;
(2) formulation cost of the present invention's employing is cheap;
(3) be widely used.
Adopt the benzene emulsion of the method for the invention preparation to have more excellent water tolerance and weathering resistance, the latex particle that synthetic benzene emulsion has ideal dimensions, can form the opacifying property of the best on paper, satisfy the requirement of high netting twine, high precision, high speed printing in the middle of ink printing.Adopting prepares burden cheaply just can make than the not bad product of benzene emulsion performance expensive in prior art with simple technique, can significantly reduce the cost of printing ink industry.
For the adaptability of printing, according to the Fox equation, the present invention has carried out design accurately to the Tg value of benzene emulsion, thereby joins and the water color ink used time, and the water color ink solubility is good, is not easy skinning, does not stop up printing board material, and printing adaptability is excellent.
Embodiment
Embodiment 1:
Deionized water 417.32 grams, compound emulsifying agent (polyoxyethylene nonylphenol ether, polyoxyethylenated alcohol sodium sulfate) 6.5 grams, ammonium persulfate initiator 2.5 grams, protection glue 3 grams are added in four-hole boiling flask with stirring, Dropping feeder, reflux exchanger, thermometer; be warming up to 84 ℃, add Monoethanolamine MEA BASF 0.3 gram to regulate the pH value 7.5～8.8.Add methyl acrylate 71.2 grams, vinylformic acid 28.8 grams, tert-dodecyl mercaptan 6.5 grams to mix in header tank.Drip mix monomer with " starvation method " and enter in flask in temperature is 84 ℃ ± 2 scopes, time for adding is 30 minutes.Dropwise rear insulation 30 minutes and add 16.38 gram Monoethanolamine MEA BASFs to regulate ph value of emulsion in 7.1～8.0 scopes, make the shell emulsion.
Add compound emulsifying agent (polyoxyethylene nonylphenol ether, polyoxyethylenated alcohol sodium sulfate) 3.5 grams, ammonium persulfate initiator 3.5 grams, deionized water 96 grams in flask.Header tank adds vinyl acetate 80.4 grams, vinylbenzene 319.6 grams, mixes.Be 90 ℃ ± 2 in temperature, " starvation method " drips 120 minutes, after dropwising and in 90 ℃ ± 2 insulation 60 minutes.Being cooled to 60 ℃ of left and right, to add Monoethanolamine MEA BASF 9 grams to regulate the pH values be 8.0～8.5.With 200 order net filtrations, discharging, obtain covering type benzene emulsion I.
Embodiment 2:
In the four-hole boiling flask with stirring, Dropping feeder, reflux exchanger, thermometer; add deionized water 413.7 grams, trolamine 0.4 gram, compound emulsifying agent (polyoxyethylene nonylphenol ether, Nonyl pheno (10) ether-2-sulfate monomester succinate disodium salt) 6.6 grams, ammonium persulfate initiator 3.1 grams, protection glue 7 grams, be warming up to 84 ℃.And add butyl acrylate 73.5 grams, vinylformic acid 29.5 grams, beta-phenyl β-n-dodecane sulfenyl ethyl phenyl ketone 5.5 grams to mix in header tank, enter flask with " starvation method " dropping mix monomer in temperature is 84 ℃ ± 2 scopes in, time for adding is 30 minutes.Dropwise rear insulation 30 minutes and add 16.7 gram trolamine amine to regulate ph value of emulsion in 7.1～8.0 scopes, make the shell emulsion.
With 105.3 gram deionized water dissolving compound emulsifying agent (polyoxyethylene nonylphenol ether, polyoxyethylenated alcohol sodium sulfate) 3.6 grams, ammonium persulfate initiator 3.5 grams, and pour in flask.Add methacrylic ester 50 grams, vinylbenzene 340.4 grams in header tank, in temperature is 90 ℃ ± 2 scopes, be added drop-wise in flask with " starvation method ", drip 120 minutes, after dropwising and in 90 ℃ ± 2 insulation 60 minutes.Being cooled to 60 ℃ of left and right, to add trolamine 9.2 grams to regulate the pH values be 8.0～8.5.With 200 order net filtrations, discharging, obtain covering type benzene emulsion И.
Embodiment 3:
In the four-hole boiling flask with stirring, Dropping feeder, reflux exchanger, thermometer; add deionized water 418.87 grams, ammoniacal liquor 0.3 gram, compound emulsifying agent (polyoxyethylene nonylphenol ether, 1-propylene oxygen-2 hydroxypropanesulfonic acid sodium) 6 grams; ammonium persulfate initiator 2.35 grams, protection glue 6.5 grams are warming up to 84 ℃.And add ethyl propenoate 69.5 grams, vinylformic acid 30.5 grams, three-mercaprol, 5.6 grams to mix in header tank, and in being 84 ℃ ± 2 scopes, temperature drips during mix monomer enters flask with " starvation method ", and time for adding is 30 minutes.Dropwise rear insulation 30 minutes and add 16.38 gram ammoniacal liquor to regulate ph value of emulsion in 7.1～8.0 scopes, make the shell emulsion.
With 96.9 gram deionized water dissolving compound emulsifying agent (polyoxyethylene nonylphenol ether, polyoxyethylenated alcohol sodium sulfate) 3.2 grams, ammonium persulfate initiator 3 grams, and pour in flask.Add vinylbenzene 400 grams in header tank, in temperature was 90 ℃ ± 2 scopes, " starvation method " dripped 120 minutes, after dropwising and in 90 ℃ ± 2 insulation 60 minutes.Being cooled to 60 ℃ of left and right, to add ammoniacal liquor 8.9 grams to regulate the pH values be 8.0～8.5.With 200 order net filtrations, discharging, obtain covering type benzene emulsion Ш.
Embodiment 4:
Select external Rahm﹠amp; The outstanding product covering type emulsion Johnson631 of Haas company carries out the application test research in water color ink as reference substance.Concrete operations are for preparation is blue, two kinds of water color inks of black.
Two kinds of concrete formulas of water color ink are as follows:
The blue water-based ink formulations of table 1
| Title | Weight/gram |
| Blue water-based printing ink base China ink | 22.5 |
| Covering type emulsion Johnson631 | 47 |
| Filming emulsion | 30 |
| The W2F polyethylene wax | 0.5 |
Table 2 black water ink formulations
| Title | Weight/gram |
| Black water printing ink base China ink | 22.5 |
| Covering type emulsion Johnson631 | 47 |
| Filming emulsion | 30 |
| The W2F polyethylene wax | 0.5 |
Benzene emulsion I, И, Ш that embodiment 1～3 is made substitute Johnson631 (A), obtain contrasting sample B, C, D water color ink.
Four kinds of product performance comparative results are as follows:
The different covering type of table 3 emulsion prepares the water color ink product performance relatively
As can be seen from Table 3, covering type benzene emulsion performance of the present invention is close with the Johnson631 emulsion or more excellent, especially adopt opacifying property water color ink than adopting the Johnson631 emulsion to make good of the water color ink that high covering-power styrene-acrylate emulsion of the present invention makes, solubility is good, be not easy skinning, do not stop up printing board material, printing adaptability is excellent, and high covering-power styrene-acrylate emulsion provided by the invention can substitute the Johnson631 emulsion fully.But benzene emulsion provided by the invention monomer used is few, and is extremely cheap on production cost, reduced production cost, increases economic efficiency.
The above technical scheme that the embodiment of the present invention is provided is described in detail, used specific case herein principle and the embodiment of the embodiment of the present invention are set forth, the explanation of above embodiment is only applicable to help to understand the principle of the embodiment of the present invention; Simultaneously, for one of ordinary skill in the art, according to the embodiment of the present invention, all will change on embodiment and range of application, in sum, this description should not be construed as limitation of the present invention.
Claims (14)
1. the preparation method of a high covering-power styrene-acrylate emulsion, take vinyl monomer as major ingredient, it is characterized in that: described preparation method comprises the following steps and processing condition:
The shell emulsion is synthetic:
(1) deionized water, initiator, protection glue, compound emulsifying agent are mixed rising temperature for dissolving, become solution A;
(2) add pH adjusting agent after solution A being warmed up to 80 ℃～85 ℃, regulator solution pH value is between 7.5～8.8;
(3) then pass into the nitrogen deoxygenation;
(4) vinylformic acid and acrylate mixing monomer and molecular weight regulator are mixed, become solution B;
(5) under 80 ℃～85 ℃ of design temperatures, carry out chemical reaction in the solution of dropping solution B to the (3) step, time for adding is 30 minutes～40 minutes, waits to dropwise, continue reaction 25 minutes～35 minutes, generation shell emulsion in 80 ℃～85 ℃;
(6) then add pH adjusting agent to regulate the shell ph value of emulsion 7.1～8.0, be warming up to 88 ℃～92 ℃, make the shell emulsion;
The weight percent of reactant each component is in body series: vinylformic acid and acrylate mixing monomer 18～20% thereof, emulsifying agent 1～3%, initiator 0.1～1%, molecular weight regulator 1～3%, protection glue 1～2.5%, pH adjusting agent 0.1～4%, and all the other are deionized water;
Core-shell emulsion is synthetic:
(1) compound emulsifying agent, initiator are joined in the middle of synthetic shell emulsion;
(2) in 88 ℃～92 ℃ of design temperatures, being added dropwise to vinylbenzene, to carry out core-shell emulsion synthetic, drips 100 minutes～120 minutes used time, after dropwising, continues reaction 60 minutes～90 minutes in 88 ℃～92 ℃;
(3) cooling, regulate pH value 8.0～8.5, filtration obtains benzene emulsion;
The weight percent of each component of reactant is in body series: vinylbenzene 78～81%, initiator 0.1～1%, emulsifying agent 3～5%, pH adjusting agent 0.5～3%, all the other are deionized water.
2. the preparation method of high covering-power styrene-acrylate emulsion as claimed in claim 1, it is characterized in that: the vinylformic acid and the acrylate mixing monomer thereof that adopt in described shell emulsion synthesis step are vinylformic acid and C thereof
1～C
10Alcohol ester.
3. the preparation method of high covering-power styrene-acrylate emulsion as claimed in claim 2 is characterized in that: in the emulsion particle of described core-shell emulsion: in shell in vinylformic acid and acrylate mixing monomer and core the ratio of the weight of styrene monomer be 1: 1～5.
4. the preparation method of high covering-power styrene-acrylate emulsion as claimed in claim 3 is characterized in that: in the emulsion particle of described core-shell emulsion: in shell in vinylformic acid and acrylate mixing monomer and core the ratio of the weight of styrene monomer be 1: 3.8～4.2.
5. as the preparation method of the described high covering-power styrene-acrylate emulsion of one of claim 1～4, it is characterized in that: described pH adjusting agent is alcamines organic amine and ammoniacal liquor.
6. the preparation method of high covering-power styrene-acrylate emulsion as claimed in claim 5, it is characterized in that: described alcamines organic amine is Monoethanolamine MEA BASF, diethanolamine, trolamine, 3-Propanolamine, monoisopropanolamine, diisopropanolamine (DIPA), tri-isopropanolamine, N, N-dimethylethanolamine, N, a kind of in the N-diethylethanolamine.
7. the preparation method of high covering-power styrene-acrylate emulsion as claimed in claim 6, it is characterized in that: described emulsifying agent is the compound emulsifying agent that negatively charged ion and nonionic emulsifying agent obtain, and wherein the ratio of anionic emulsifier and nonionic emulsifying agent is 1: 1.5～1.85.
8. the preparation method of high covering-power styrene-acrylate emulsion as claimed in claim 7, it is characterized in that: described anionic emulsifier is a kind or 2 kinds in sodium lauryl sulphate, Sodium dodecylbenzene sulfonate, alkyl diphenyl ether disulphonic acid sodium, 1-propenyloxy group-2-hydroxypropanesulfonic acid sodium, sodium laurylsulfonate, polyoxyethylenated alcohol sodium sulfate, ethoxylated alkylphenol ammonium sulfate, Nonyl pheno (10) ether-2-sulfate monomester succinate disodium salt;
Described nonionic emulsifying agent is a kind or 2 kinds in methyl acrylic multi-styrene alkylphenol oxyethyl group, polyoxyethylene nonylphenol ether, polyoxyethylene octylphenol ether.
9. the preparation method of high covering-power styrene-acrylate emulsion as claimed in claim 8 is characterized in that: described molecular weight regulator is a kind of in uncle's DDM dodecyl mercaptan, tert-dodecyl mercaptan, acetic acid n-dodecyl mercaptan ester, phenylformic acid n-dodecyl mercaptan ester, 1-n-dodecane sulfenyl ethapon, two fragrant acyl disulphide or 3-mercaprol.
10. the preparation method of high covering-power styrene-acrylate emulsion as claimed in claim 9, it is characterized in that: described protection glue is one or both in polyvinyl alcohol, Mierocrystalline cellulose and polyacrylic acid sodium salt emulsion.
11. the preparation method of high covering-power styrene-acrylate emulsion as claimed in claim 10 is characterized in that: described water soluble starter is ammonium persulphate or Potassium Persulphate.
12. the high covering-power styrene-acrylate emulsion of the described method preparation of claim 1～11 any one.
13. a water color ink comprises at least a water color ink base China ink, at least a filming emulsion, the described high covering-power styrene-acrylate emulsion of at least a claim 12, at least a wax emulsion.
14. water color ink as claimed in claim 13 is characterized in that: described water color ink base resin used is the water-soluble rosin resin, and its weight accounts for 2%～96% of water color ink weight; Described filming emulsion is vinylformic acid or acrylic emulsion, and Tg is-7 ℃～65 ℃, and its weight accounts for 2%～40% of water color ink weight; Described benzene emulsion, Tg are 60 ℃～90 ℃, and its weight accounts for 10%～50% of water color ink weight; Described wax emulsion is water-soluble polyethylene wax emulsion, and its weight accounts for 0.1%～1% of water color ink weight.
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Patent Citations (3)
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| CN1486996A (en) * | 2003-06-26 | 2004-04-07 | 江汉大学 | Prepn process of modified styrene-acrylic emulsion |
| CN101280035A (en) * | 2007-10-31 | 2008-10-08 | 浙江传化股份有限公司 | Wet-rub resistant styrene-acrylic emulsion and preparation thereof |
| CN101348539A (en) * | 2008-02-21 | 2009-01-21 | 广东天龙油墨集团股份有限公司 | Filming flow type polyacrylacid ester soap-free emulsion, synthetic process and use thereof in printing ink |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105524201A (en) * | 2015-12-18 | 2016-04-27 | 杨康营 | Water-based ink covering emulsion and preparation method thereof |
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Effective date of registration: 20170713 Address after: 526108 Guangdong city of Zhaoqing Province Gaoyao district town of clay highway entrance Patentee after: Guangdong Tianlong Printing Ink Co., Ltd. Address before: 526108 Industrial Park, Zhaoqing, Guangdong Patentee before: Guangdong Sky Dragon Printing Ink Group Co., Ltd. |