CN102391411A - Low-temperature self-crosslinking polyacrylate pigment printing binding agent and preparation method thereof - Google Patents

Low-temperature self-crosslinking polyacrylate pigment printing binding agent and preparation method thereof Download PDF

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CN102391411A
CN102391411A CN2011102506796A CN201110250679A CN102391411A CN 102391411 A CN102391411 A CN 102391411A CN 2011102506796 A CN2011102506796 A CN 2011102506796A CN 201110250679 A CN201110250679 A CN 201110250679A CN 102391411 A CN102391411 A CN 102391411A
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monomer
preparation
emulsion
reaction kettle
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涂伟萍
卢杰宏
胡剑青
王�锋
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South China University of Technology SCUT
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Abstract

The invention discloses a low-temperature self-crosslinking polyacrylate pigment printing binding agent and a preparation method thereof. The method comprises the following steps of: based on part by mass, preparing pre-emulsion from 70-90 parts of soft monomer, 10-30 parts of hard monomer, 5-10 parts of crosslinking monomer, 2-5 parts of ketone-containing carbonyl monomer, 0.6-3.0 parts of emulsifier and 50-70 parts of de-ionized water; adding 25-33 parts of de-ionized water, 0.2-1.0 part of emulsifier and 0.2-0.6 part of pH buffer; adding 14-16 parts of pre-emulsion and 2-2.5 parts of initiator solution; heating to 78-82 DEG C; dropwise adding remaining pre-emulsion and initiator solution after blue light occurs; heating to 85-90 DEG C and preserving heat for 0.5-1 hour; then cooling to be below 40 DEG C; adjusting pH value to be 6.5-7.0; and finally adding solution formed by dissolving 1-3 parts of hydrazide based monomer in 4-5 parts of de-ionized water. The agent is a formaldehyde-free environmentally-friendly product.

Description

Low-temperature self-crosslinking polyacrylate coating printing adhesive and preparation method thereof
Technical field
The present invention relates to pigment printing with palyacrylate binder emulsion field, specifically is a kind of low-temperature self-crosslinking acrylic ester coating printing adhesive and preparation method thereof.
Background technology
Pigment printing is that the effect by tackiness agent is bonded at the printing method on the fabric with finely divided granules of pigments.Pigment printing has that technology is simple, save energy and the little advantage of environmental pollution, and present global pigment printing fabric accounts for more than 70% of tprinted Fabrics ultimate production.In recent years, China's pigment printing has also had very big development, but product structure is still unreasonable, in, low grade products is in the majority, profit is meagre.And the quality of pigment printing product and class depend on the performance of pigment printing binding agent to a great extent, and therefore preparing high performance tackiness agent is the most important measure that improves pigment printing technology and quality.
The emulsifying agent that uses in the letex polymerization contains TX10 (APEO) mostly, and it is one type of nonionogenic tenside, is widely used in industries such as textile printing and dyeing processing, plastics and coating.The potential hazard that such material causes environment is by broad research and demonstration; Some countries of Europe have formulated the corresponding regulations limit production and have used APEO from 1976, the APEO that outlet textiles kimonos is loaded onto limit the quantity of and also clearly define (≤30mg/kg).The textiles and the clothes total value of the annual outlet of China surpass 10,000,000,000 dollars, if do not produce in strict accordance with international standard, will directly influence the export trade of textiles and clothes.Therefore, seek novel, efficient, stable and the safe surface promoting agent to substitute APEO class tensio-active agent, guarantee the product safety environmental protection, be the primary problem that solves of preparation high-performance coating printing adhesive.
In addition; Stamp industry tackiness agent is water polyacrylic acid PA class tackiness agent mostly; But shortcomings such as pure-acrylic emulsion tackiness agent ubiquity hot sticky cold crisp, wet-milling rubbing fastness and feel are relatively poor; Domestic in order to improve the application performance of this type pigment printing binding agent, especially dried fastness to wet rubbing, the method for generally using is exactly in the building-up process of PA tackiness agent, to participate in copolyreaction with the cross-linking monomer N hydroxymethyl acrylamide; But it needs high temperature to bake, and discharges the free formaldehyde to environment and human body harmful easily through the printing adhesive that bakes.The International Textile ecological Studies Oko-Tex of association standard 100 regulations: the burst size of methanal of decorating cloth is lower than 300 * 10 -6, and the burst size of methanal of dress for baby is lower than 20 * 10 -6Along with people's environmental consciousness and to the improving constantly of product requirement, many environmental regulations have been issued in countries in the world, impel environment protection standard to become the primary prerequisite of high-grade paint printing adhesive.Therefore, as the pigment printing binding agent that cross-linking monomer makes, do not meet environmental requirement, be difficult to use in high-grade stamp product with N hydroxymethyl acrylamide.
From improving fastness, improving feel and direction such as cut down the consumption of energy develops, foreign binders mainly experiences four-stage.The 4th generation printing adhesive be crosslinked at low temperature type tackiness agent.Generally have stronger reactive group in its cross-linker molecules structure, can carry out crosslinking reaction with hydroxyl, amino or other group being lower than 100 ℃, both can improve film forming antifriction fastness, can save energy consumption again.China produces tackiness agent and compares with external like product, at aspects such as feel, environmental protection, fastness and stability gap is arranged still.The key that addresses these problems is under the prerequisite that guarantees the product compliance with environmental protection requirements, seeks suitable cross-linking system, synthesizes the printing adhesive of high performance crosslinked at low temperature.
Summary of the invention
The objective of the invention is to deficiency, a kind of low-temperature self-crosslinking polyacrylate coating printing adhesive and preparation method thereof is provided to prior art.The inventive method technology simply, is not used the emulsifying agent that contains the APEO group, and release formaldehyde not in obtained tackiness agent each item excellent performance and the bake process belongs to one type of high-grade stamp product.
The object of the invention is realized through following technical scheme:
The preparation method of low-temperature self-crosslinking polyacrylate coating printing adhesive comprises the steps:
(1) in mass fraction, with 70 ~ 90 parts of soft monomers, 10 ~ 30 parts of hard monomers, 5 ~ 10 parts of cross-linking monomers, 2 ~ 5 parts of ketocarbonyl-containing monomers, 0.6 ~ 3.0 part of emulsifying agent, 50 ~ 70 parts of deionized waters evenly stir and are mixed with pre-emulsion;
(2) 0.2 ~ 0.6 part of initiator is dissolved in 8 ~ 10 parts the deionized water, is mixed with initiator solution;
(3) in polymerization reaction kettle, add 0.2 ~ 0.6 part of 25 ~ 33 parts of deionized waters, 0.2 ~ 1.0 part of emulsifying agent and pH buffer reagent, stir;
(4) in polymerization reaction kettle, add 2 ~ 2.5 parts of the initiator solutions that 14 ~ 16 parts of prepared pre-emulsions of step (1) and step (2) make, be warming up to 78 ~ 82 ℃, treat that blue light appears in emulsion in the polymerization reaction kettle after; In polymerization reaction kettle, drip 6 ~ 8 parts of remaining pre-emulsion and initiator solutions again, after 2 ~ 3h drips continuously, add remaining initiator solution again; Be warmed up to 85 ~ 90 ℃; Behind insulation 0.5 ~ 1h, cool the temperature to below 40 ℃ again after, regulate pH value to 6.5 ~ 7.0;
(5) 1 ~ 3 part of hydrazide group monomer is dissolved in 4 ~ 5 parts of deionized waters, is made into the hydrazide group monomer solution, and add in the polymerization reaction kettle of step (4), stir, can make required low-temperature self-crosslinking polyacrylate coating printing adhesive.
Said soft monomer is the mixture of any or two kinds and Bing Xisuandingzhi in ethyl propenoate, the Isooctyl acrylate monomer, and wherein Bing Xisuandingzhi accounts for 60% ~ 90% of soft monomer total mass.
Said hard monomer is the mixture of any or two kinds and TEB 3K in vinyl cyanide, vinyl acetate between to for plastic, tertiary ethylene carbonate, the vinylbenzene, and wherein TEB 3K accounts for 50% ~ 70% of hard monomer total mass.
Said emulsifying agent be in anionic emulsifier, nonionic emulsifying agent and the reactive emulsifier any two kinds or more than; Wherein anionic emulsifier is sodium lauryl sulphate, Succinic Acid dihexyl sodium sulfonate or sulfo-succinic acid ester surfactant; Nonionic emulsifying agent is an AEO, and reactive emulsifier is 3-allyloxy-2-hydroxyl-1-propane sulfonic acid sodium salt or hydroxyethyl methacrylate propanesulfonic acid sodium.
Said cross-linking monomer is the mixture of any one and Hydroxyethyl acrylate or Propylene glycol monoacrylate in methylacrylic acid and the vinylformic acid.
Said ketocarbonyl-containing monomer is diacetone-acryloamide(DAA) or AAEM; The described hydrazide group monomer that contains is an adipic dihydrazide.
Said initiator is ammonium persulphate or Potassium Persulphate; Said pH buffer reagent is a sodium hydrogencarbonate.
Compared with prior art, the present invention has following advantage and beneficial effect:
(1) the present invention adopts emulsion polymerisation process, compares with other polymerization methods, not only has low, the easy advantage of dispelling the heat of viscosity, and has higher polymerization rate; The polymericular weight of gained is high, in addition, is medium with water; Production safety, environmental pollution is little, and is with low cost.
(2) the polyacrylic ester printing adhesive that makes of the present invention does not use and contains TX10 class (APEO) emulsifying agent, and product is through toasting formaldehydeless release, and does not contain organic solvent, belongs to environmentally friendly machine.
(3) polymerization technique of the present invention is simple, polymerization process stable, and workable, facility investment is little, helps large-scale industrial production.
(4) the present invention need not additional crosslink agent, and the mill base stability in storage that modulates is good, and the low temperature fixation need not high temperature and bake, thus save energy significantly.The stamp product that makes is soft, with the strong adhesion of fabric, have outstanding do, wet rubbing fastness and washing fastness, and flower shape clear-cut, lovely luster.
(5) tackiness agent of the present invention's preparation is applicable to cylinder, and multiple printing technologies such as cylinder, plain net, hand printing all have good flexibility to cotton, polyester-cotton blend, acrylic, tricot etc.
Embodiment
Below in conjunction with specific embodiment the present invention is done further concrete detailed description the in detail, but embodiment of the present invention is not limited thereto, the processing parameter for not indicating especially can carry out with reference to routine techniques.
Embodiment 1
With Bing Xisuandingzhi 50.0g, Isooctyl acrylate monomer 25.0 g, TEB 3K 13.0 g, vinyl cyanide 4.0 g, methylacrylic acid 2.0 g, Propylene glycol monoacrylate 3.0 g, diacetone-acryloamide(DAA) 2.0 g; Emulsifying agent 1.7 g; Deionized water 60g evenly stirs and processes pre-emulsion; The 0.4g Potassium Persulphate is dissolved in the 8.0g deionized water, be mixed with initiator solution; In polymerization reaction kettle, add deionized water 25.0g, emulsifying agent 0.8g and sodium hydrogencarbonate 0.3g, stir; In polymerization reaction kettle, add above-mentioned pre-emulsion 14g and above-mentioned initiator solution 2g, be warming up to 78 ℃, treat that blue light appears in emulsion in the polymerization reaction kettle after; In polymerization reaction kettle, drip remaining pre-emulsion and initiator solution 6g more continuously, after 2h drips continuously, add remaining initiator solution again; Be warmed up to 85 ℃; Behind the insulation 1h, cool the temperature to below 40 ℃ again after, regulate pH value to 6.5; Adipic dihydrazide 1.2g is dissolved in wiring solution-forming in the 4g deionized water, and joins in the polymerization reaction kettle, stir, can make required low-temperature self-crosslinking polyacrylate coating printing adhesive.
Wherein, diacetone-acryloamide(DAA) is provided by Japanese Kyowa Yuka Kk, and this material contains 4 functional groups, comprises unsaturated double-bond, amido, carbonyl and end hydrogen base.Unsaturated double-bond is participated in addition reaction in polymerization process, adds adipic dihydrazide after the polymerization, thereby water-wash resistance and mechanical property that the back crosslinking reaction improves polymkeric substance can take place under pH=6.5 ~ 7 conditions.By Succinic Acid dihexyl sodium sulfonate tensio-active agent MA-80, AEO AFX-3070 forms emulsifying agent by emulsifying agent, and wherein the weight ratio of MA-80 and AFX-3070 is 1.5:1.
Gained adhesive agent emulsion performance is seen shown in the table 1.
Embodiment 2
With Bing Xisuandingzhi 60.0g, Isooctyl acrylate monomer 16.0 g, TEB 3K 10.0 g, vinyl cyanide 4.0 g, methylacrylic acid 2.0 g, Propylene glycol monoacrylate 4.0 g, diacetone-acryloamide(DAA) 2.5 g; Emulsifying agent 2.0g; Deionized water 60g evenly stirs and processes pre-emulsion; The 0.35g Potassium Persulphate is dissolved in the 7.0g deionized water, be mixed with initiator solution; In polymerization reaction kettle, add deionized water 25.0g, emulsifying agent 1.0g and sodium hydrogencarbonate 0.2g, stir; In polymerization reaction kettle, add above-mentioned pre-emulsion 15g and above-mentioned initiator solution 2.5g, be warming up to 80 ℃, treat that blue light appears in emulsion in the polymerization reaction kettle after; In polymerization reaction kettle, drip remaining pre-emulsion and initiator solution 7g more continuously, after 3h drips continuously, add remaining initiator solution again; Be warmed up to 90 ℃; Behind the insulation 0.5h, cool the temperature to below 40 ℃ again after, regulate pH value to 7; Adipic dihydrazide 1.5g is dissolved in wiring solution-forming in the 4.5g deionized water, and joins in the polymerization reaction kettle, stir, can make required low-temperature self-crosslinking polyacrylate coating printing adhesive.
Wherein diacetone-acryloamide(DAA) is provided by Japanese Kyowa Yuka Kk, and this material contains 4 functional groups, comprises unsaturated double-bond, amido, carbonyl and end hydrogen base.Unsaturated double-bond is participated in addition reaction in polymerization process, adds adipic dihydrazide after the polymerization, thereby water-wash resistance and mechanical property that the back crosslinking reaction improves polymkeric substance can take place under pH=6.5 ~ 7 conditions.By the sodium lauryl sulphate surfactant SDS, AEO AFX-3070 forms emulsifying agent by emulsifying agent, and wherein the weight ratio of SDS and AFX-3070 is 2:1.
Gained adhesive agent emulsion performance is seen shown in the table 1.
Embodiment 3
With Bing Xisuandingzhi 68.0g, ethyl propenoate 8.0g, TEB 3K 7.0g, vinylbenzene 7.0 g, methylacrylic acid 2.5g, Propylene glycol monoacrylate 3.0g, diacetone-acryloamide(DAA) 3.0 g; Emulsifying agent 2.0g; Deionized water 60g evenly stirs and processes pre-emulsion; The 0.35g Potassium Persulphate is dissolved in the 7.0g deionized water, be mixed with initiator solution; In polymerization reaction kettle, add deionized water 25.0g, emulsifying agent 1.0g and sodium hydrogencarbonate 0.2g, stir; In polymerization reaction kettle, add above-mentioned pre-emulsion 16g and above-mentioned initiator solution 2.3g, be warming up to 82 ℃, treat that blue light appears in emulsion in the polymerization reaction kettle after; In polymerization reaction kettle, drip remaining pre-emulsion and initiator solution 8g more continuously, after 2.5h drips continuously, add remaining initiator solution again; Be warmed up to 88 ℃; Behind the insulation 1h, cool the temperature to below 40 ℃ again after, regulate pH value to 6.5; Adipic dihydrazide 1.8g is dissolved in wiring solution-forming in the 5g deionized water, and joins in the polymerization reaction kettle, stir, can make required low-temperature self-crosslinking polyacrylate coating printing adhesive.
Wherein, diacetone-acryloamide(DAA) is provided by Japanese Kyowa Yuka Kk, and this material contains 4 functional groups, comprises unsaturated double-bond, amido, carbonyl and end hydrogen base.Unsaturated double-bond is participated in addition reaction in polymerization process, adds adipic dihydrazide after the polymerization, thereby water-wash resistance and mechanical property that the back crosslinking reaction improves polymkeric substance can take place under pH=6.5 ~ 7 conditions.
Emulsifying agent by emulsifying agent by sulfo-succinic acid ester surfactant EF-810; AEO AFX-3070 and 3-allyloxy-2-hydroxyl-1-propane sulfonic acid sodium salt HAPS forms, and wherein the weight ratio of EF-810, AFX-3070 and HAPS is 1.6:0.8:0.6.
Gained adhesive agent emulsion performance is seen shown in the table 1.
Embodiment 4
With Bing Xisuandingzhi 67.0g, ethyl propenoate 9.0g, TEB 3K 9.0g, vinyl acetate between to for plastic 5.0g, vinylformic acid 2.5g, Propylene glycol monoacrylate 3.0g, AAEM 3.0 g; Emulsifying agent 2.0g; Deionized water 60g evenly stirs and processes pre-emulsion; The 0.35g Potassium Persulphate is dissolved in the 7.0g deionized water, be mixed with initiator solution; In polymerization reaction kettle, add deionized water 25.0g, emulsifying agent 1.0g and sodium hydrogencarbonate 0.2g, stir; In polymerization reaction kettle, add above-mentioned pre-emulsion 14g and above-mentioned initiator solution 2 g, be warming up to 80 ℃, treat that blue light appears in emulsion in the polymerization reaction kettle after; In polymerization reaction kettle, drip remaining pre-emulsion and initiator solution 7g more continuously, after 2.5h drips continuously, add remaining initiator solution again; Be warmed up to 85 ℃; Behind the insulation 1h, cool the temperature to below 40 ℃ again after, regulate pH value to 7; Adipic dihydrazide 2.5g is dissolved in wiring solution-forming in the 5g deionized water, and joins in the polymerization reaction kettle, stir, can make required low-temperature self-crosslinking polyacrylate coating printing adhesive.
Wherein, AAEM (be called for short AAEM) is to be provided by Yi Si Man, and this material is a kind of methacrylic acid monomer, can be with amine and hydrazine reaction, be the desirable monomer of self-crosslinking, self-vulcanizing ACRYLIC EMULSION.
Emulsifying agent by emulsifying agent by sulfo-succinic acid ester surfactant EF-810; AEO AFX-3070 and 3-allyloxy-2-hydroxyl-1-propane sulfonic acid sodium salt HAPS forms, and wherein the weight ratio of EF-810, AFX-3070 and HAPS is 1.2:1.0:0.8.
Gained adhesive agent emulsion performance is seen shown in the table 1.
Embodiment 5
With Bing Xisuandingzhi 65.0g, ethyl propenoate 11.0g, TEB 3K 10.0g, tertiary ethylene carbonate 4.0g, vinylformic acid 3.0g, Propylene glycol monoacrylate 2.5g, AAEM 2.5g; Emulsifying agent 2.0g; Deionized water 60g evenly stirs and processes pre-emulsion; The 0.35g ammonium persulphate is dissolved in the 7.0g deionized water, be mixed with initiator solution; In polymerization reaction kettle, add deionized water 25.0g, emulsifying agent 1.0g and sodium hydrogencarbonate 0.2g, stir; In polymerization reaction kettle, add above-mentioned pre-emulsion 15g and above-mentioned initiator solution 2.5 g, be warming up to 78 ℃, treat that blue light appears in emulsion in the polymerization reaction kettle after; In polymerization reaction kettle, drip remaining pre-emulsion and initiator solution 8g more continuously, after 3h drips continuously, add remaining initiator solution again; Be warmed up to 85 ℃; Behind the insulation 1h, cool the temperature to below 40 ℃ again after, regulate pH value to 7; Adipic dihydrazide 2.0g is dissolved in wiring solution-forming in the 5g deionized water, and joins in the polymerization reaction kettle, stir, can make required low-temperature self-crosslinking polyacrylate coating printing adhesive.
Wherein, AAEM (be called for short AAEM) is to be provided by Yi Si Man, and this material is a kind of methacrylic acid monomer, can be with amine and hydrazine reaction, be the desirable monomer of self-crosslinking, self-vulcanizing ACRYLIC EMULSION.
By Succinic Acid dihexyl sodium sulfonate tensio-active agent MA-80, AEO AFX-3070 forms emulsifying agent by emulsifying agent, and wherein the weight ratio of MA-80 and AFX-3070 is 1.7:0.8.
Gained adhesive agent emulsion performance is seen shown in the table 1.
The contrast experiment
Adopt serial printing adhesive of the present invention to be mixed with pigment printing and it is tested, the printing paste prescription is (mass percent) as follows:
Tackiness agent of the present invention (solid content is about 50%) 30%
Mill base 2.5%
Thickening material 2.5%
Water 65%
Adopt general printing technology that described tackiness agent is tested, the result is as shown in table 1 below.
Table 1
Tackiness agent Feel (1 is the poorest, and 5 is best) Dry fastness (level) Fastness to wet rubbing (level) Fastness to washing (level) Formaldehyde (ppm)
Embodiment 1 5 3~4 3 3~4 0
Embodiment 2 4~5 4 3~4 3~4 0
Embodiment 3 4 4 4 4 0
Embodiment 4 3~4 4 3~4 3~4 0
Embodiment 5 4 4 3~4 3~4 0
Each item method for testing performance is following in the table 1:
(1) the formaldehyde test is tested according to GB/T2912.1-1998.
(2) feel test touches through subjective, and 1 to be expressed as feel poor, and 2 to be expressed as feel general, and 3 to be expressed as feel good, and 4 expressions are soft comfortable, and 5 expression feels are extremely excellent.
(3) crockfastness is tested according to GB/T3920-19970, and fastness to washing is tested according to GB/T420-1990.
Can find out that from above-mentioned test the embodiment of the invention all detects formaldehydeless release, and can be under the lower temperature condition self-crosslinking film forming, belong to the environment-friendly and energy-efficient product.Key is to introduce the novel and effective cross-linking system, makes the prepared pigment printing of the present invention effectively solve the problem of contradiction between feel and crockfastness, the washing fastness, is rare high-performance coating printing adhesive on the market.
The foregoing description is a preferred implementation of the present invention; But embodiment of the present invention is not restricted to the described embodiments; Other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; All should be the substitute mode of equivalence, be included within protection scope of the present invention.

Claims (8)

1. the preparation method of low-temperature self-crosslinking polyacrylate coating printing adhesive is characterized in that, comprises the steps:
(1) in mass fraction, with 70 ~ 90 parts of soft monomers, 10 ~ 30 parts of hard monomers, 5 ~ 10 parts of cross-linking monomers, 2 ~ 5 parts of ketocarbonyl-containing monomers, 0.6 ~ 3.0 part of emulsifying agent, 50 ~ 70 parts of deionized waters evenly stir and are mixed with pre-emulsion;
(2) 0.2 ~ 0.6 part of initiator is dissolved in 8 ~ 10 parts the deionized water, is mixed with initiator solution;
(3) in polymerization reaction kettle, add 0.2 ~ 0.6 part of 25 ~ 33 parts of deionized waters, 0.2 ~ 1.0 part of emulsifying agent and pH buffer reagent, stir;
(4) in polymerization reaction kettle, add 2 ~ 2.5 parts of the initiator solutions that 14 ~ 16 parts of prepared pre-emulsions of step (1) and step (2) make, be warming up to 78 ~ 82 ℃, treat that blue light appears in emulsion in the polymerization reaction kettle after; In polymerization reaction kettle, drip 6 ~ 8 parts of remaining pre-emulsion and initiator solutions again, after 2 ~ 3h drips continuously, add remaining initiator solution again; Be warmed up to 85 ~ 90 ℃; Behind insulation 0.5 ~ 1h, cool the temperature to below 40 ℃ again after, regulate pH value to 6.5 ~ 7.0;
(5) 1 ~ 3 part of hydrazide group monomer is dissolved in 4 ~ 5 parts of deionized waters, is made into the hydrazide group monomer solution, and add in the polymerization reaction kettle of step (4), stir, can make required low-temperature self-crosslinking polyacrylate coating printing adhesive.
2. preparation method according to claim 1 is characterized in that, said soft monomer is the mixture of any or two kinds and Bing Xisuandingzhi in ethyl propenoate, the Isooctyl acrylate monomer, and wherein Bing Xisuandingzhi accounts for 60% ~ 90% of soft monomer total mass.
3. preparation method according to claim 1 and 2; It is characterized in that; Said hard monomer is the mixture of any or two kinds and TEB 3K in vinyl cyanide, vinyl acetate between to for plastic, tertiary ethylene carbonate, the vinylbenzene, and wherein TEB 3K accounts for 50% ~ 70% of hard monomer total mass.
4. preparation method according to claim 3; It is characterized in that; Said emulsifying agent be in anionic emulsifier, nonionic emulsifying agent and the reactive emulsifier any two kinds or more than; Wherein anionic emulsifier is sodium lauryl sulphate, Succinic Acid dihexyl sodium sulfonate or sulfo-succinic acid ester surfactant, and nonionic emulsifying agent is an AEO, and reactive emulsifier is 3-allyloxy-2-hydroxyl-1-propane sulfonic acid sodium salt or hydroxyethyl methacrylate propanesulfonic acid sodium.
5. preparation method according to claim 4 is characterized in that, said cross-linking monomer is the mixture of any one and Hydroxyethyl acrylate or Propylene glycol monoacrylate in methylacrylic acid and the vinylformic acid.
6. preparation method according to claim 5 is characterized in that, said ketocarbonyl-containing monomer is diacetone-acryloamide(DAA) or AAEM; The described hydrazide group monomer that contains is an adipic dihydrazide.
7. preparation method according to claim 6 is characterized in that, said initiator is ammonium persulphate or Potassium Persulphate; Said pH buffer reagent is a sodium hydrogencarbonate.
8. low-temperature self-crosslinking polyacrylate coating printing adhesive is characterized in that, is prepared from any said method of claim 1 to 7.
CN2011102506796A 2011-08-29 2011-08-29 Low-temperature self-crosslinking polyacrylate pigment printing binding agent and preparation method thereof Pending CN102391411A (en)

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Application publication date: 20120328