CN104151561A - Preparation method of polyacrylate-polyurethane resin for printing ink - Google Patents
Preparation method of polyacrylate-polyurethane resin for printing ink Download PDFInfo
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- CN104151561A CN104151561A CN201410377238.6A CN201410377238A CN104151561A CN 104151561 A CN104151561 A CN 104151561A CN 201410377238 A CN201410377238 A CN 201410377238A CN 104151561 A CN104151561 A CN 104151561A
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Abstract
The invention relates to a preparation method of polyacrylate-polyurethane resin for printing ink. The preparation method comprises the following steps: respectively preparing polyacrylate resin with epoxy groups, and polyurethane resin with amine groups, mixing the polyacrylate resin with epoxy groups with polyurethane resin with amine groups, so as to enable the epoxy groups and amine groups to react, to obtain the polyacrylate-polyurethane resin with a chemical bond connection structure. The prepared polyacrylate-polyurethane resin is wide in adjustment range of polyurethane content, stable in resin performances, excellent in pigment wetting and dispersity properties, and economical and environment-friendly as alcohol and ester solvents are used, the preparation method can be used for preparing single-component intaglio printing ink, and the prepared printing ink is high in tinting strength, good in mobility, stable in status, high in printing adaptability and excellent in effects.
Description
Technical field
The present invention relates to the preparation method of resin for gravure printing ink, particularly relate to the preparation method of polyacrylic ester-urethane resin for a kind of gravure printing ink.
Background technology
Soft packaging industry is fast-developing, has promoted the development in gravure printing ink technology and market.Urethane has good lower temperature resistance, wear resistance, solvent resistance, and good springiness, and glossiness is high, at gravure printing ink with occupying important position in resin.But the water tolerance of urethane and weathering resistance are poor, and on the high side, limited its widespread use.Polyacrylic ester has good water tolerance and weathering resistance, and price is lower, but elasticity is poor, has the shortcoming of hot sticky cold crisp, therefore, has good complementarity with urethane.Polyacrylic ester-urethane resin combines the advantage of polyacrylic ester and urethane, and the preparation of gravure printing ink is had to important using value.
200910059587.2 disclose the preparation method of polyacrylic ester-polyurethane resin binder for a kind of single-fluid general plastic gravure alcohol-soluble and water-soluble composite China ink, it is raw material that this resin binder be take (methyl) acrylate, vinyl acetate, the large monomer of Polymerizable Polyurethane and active function monomer, by solution free radical polymerization, obtains.201010507483.6 disclose a kind of preparation method of high-performance printing ink resin, and the base polyurethane prepolymer for use as that this ink resin is is isocyanic ester by hydroxyl polyacrylic ester with end group reacts the polyurethane grafting polyacrylic acid ester copolymer making.Above-mentioned two kinds of ink resins all have good attachment fastness to all types of plastic film substrate (BOPP, PET, PA, PVC, PE, PC etc.), but because the content of urethane in resin is far below polyacrylic ester, thereby the performance of polyacrylic ester-urethane resin is affected.
Summary of the invention
The object of this invention is to provide the preparation method of polyacrylic ester-urethane resin for a kind of printing-ink, to improve the polyurethane content in polyacrylic ester-urethane resin for ink, promote the performance of polyacrylic ester-urethane resin.
Printing-ink of the present invention is to prepare respectively the urethane resin that polyacrylate resin and preparation with epoxy group(ing) contain primary amino by the preparation method of polyacrylic ester-urethane resin, polyacrylate resin with epoxy group(ing) is mixed with the urethane resin that contains primary amino, its epoxy group(ing) is reacted with primary amino, obtain having the polyacrylic ester-urethane resin of chemical bond-linking connecting structure.
The present invention specifically prepares described polyacrylic ester-urethane resin with following preparation method.
1) preparation is with the polyacrylate resin of epoxy group(ing).
Take hard monomer, soft monomer, hydroxyl functional acrylic monomer, with functional acrylic monomer and the band epoxy group(ing) function monomer of carboxyl, be raw material monomer, by solution free radical polymerization, obtain the polyacrylate resin with epoxy group(ing), wherein, the percentage composition that various monomers account for raw material monomer gross weight is: hard monomer 30～70wt%, soft monomer 25～48wt%, hydroxyl functional acrylic monomer 4～20wt%, with the functional acrylic monomer 0.2～2wt% of carboxyl, band epoxy group(ing) function monomer 0.3～1.2wt%.
In above-mentioned various raw material monomer, described hard monomer is one or more the arbitrary proportion mixture in methyl methacrylate, β-dimethyl-aminoethylmethacrylate, vinyl-acetic ester, vinylbenzene; Described soft monomer is ethyl propenoate, n-butyl acrylate or ethyl acrylate; Described hydroxyl functional acrylic monomer is Hydroxyethyl acrylate, Propylene glycol monoacrylate, hydroxyethyl methylacrylate or Rocryl 410; The described functional acrylic monomer with carboxyl is acrylic or methacrylic acid; Described band epoxy group(ing) function monomer is glycidyl acrylate, glycidyl methacrylate or glycidyl allyl ether.
Described solution free radical polymerization is that described raw material monomer is dissolved in reaction solvent, be warming up to 65～85 ℃, add the reaction solvent solution of initiator to carry out Raolical polymerizable, wherein, described initiator is Diisopropyl azodicarboxylate or benzoyl peroxide, its consumption accounts for 0.8～2wt% of raw material monomer gross weight, and described reaction solvent is ethyl acetate and/or Virahol, and its consumption accounts for 210～260wt% of raw material monomer gross weight.
Preferably, described solution free radical polymerization is that the initiator of the first dissolving of the reaction solvent with 27～33wt% 89～95wt% obtains initiator solution, reaction solvent with 27～33wt% dissolves described raw material monomer and is warming up to 65～85 ℃ again, described initiator solution was evenly added in 2～4 hours, react 2～4 hours, add again remaining initiator and reaction solvent, react 2～4 hours, obtain the polyacrylate resin with epoxy group(ing).
The solid content of the above-mentioned polyacrylate resin with epoxy group(ing) preparing is 28～32wt%, polyacrylic ester number-average molecular weight 10000～30000,1～18 ℃ of second-order transition temperature.
2) urethane resin that preparation contains primary amino.
The oligopolymer dibasic alcohol that is 1000～3000 by number-average molecular weight and vulcabond according to the amount of substance of 1 ︰ 1.3～3 than mixing, under catalyzer dibutyl tin laurate exists, 60～75 ℃ are reacted while reaching theoretical value to system isocyanate base weight percentage, obtain performed polymer, be down to room temperature, with solvent cut, add diamine chain extenders and molecular weight regulator, reaction obtains the urethane resin that contains primary amino.
In above-mentioned reaction, described oligopolymer dibasic alcohol is polyneopentyl glycol adipate, polypropylene glycol or PTMG; Described vulcabond is isophorone diisocyanate, dicyclohexyl methane diisocyanate, tolylene diisocyanate or hexamethylene diisocyanate.
Described diamine chain extenders is isophorone diamine, N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane or diethylenetriamine, and adding the amount of diamine chain extenders to meet in diamine chain extenders the amount of substance ratio of isocyanate group in amino and performed polymer is 0.9～1.1 ︰ 1.
Described molecular weight regulator is Di-n-Butyl Amine, thanomin, diethanolamine or γ-aminopropyl triethoxysilane, and adding the amount of molecular weight regulator to meet in molecular weight regulator the amount of substance ratio of isocyanate group in amino and performed polymer is 0.02～0.15 ︰ 1.
Preferably, described diamine chain extenders and molecular weight regulator were added in performed polymer in 1～2 hour.
In the above-mentioned reaction of the present invention, described for diluting solvent selection ethyl acetate and/or the Virahol of performed polymer.
Preferably, the reaction times of described chain extending reaction is 1～3 hour.
In the present invention, described oligopolymer dibasic alcohol is before use through vacuum drying treatment.
The solid content of the above-mentioned urethane resin that contains primary amino preparing is 28～32wt%, urethane number-average molecular weight 10000～30000, amine value 1～6mgKOH/g.
3) prepare polyacrylic ester-urethane resin.
By 1) polyacrylate resin and 2 prepared) urethane resin prepared mixes according to the weight ratio of 0.2～3 ︰ 1, reacts 1～2 hour, then be warming up to 40～70 ℃ of reactions 2～8 hours under room temperature, and cooling obtains polyacrylic ester-urethane resin.
Preferably, in described urethane resin, in contained primary amino and polyacrylate resin, the amount of substance ratio of contained epoxy group(ing) is 1～1.5 ︰ 1.
Polyacrylic ester-urethane resin outward appearance that the present invention prepares is pale yellow solution, solid content 28～32wt%, viscosity 300～1500mPas/25 ℃.
The present invention is by preparing respectively polyacrylate resin and the urethane resin that contains two kinds of functional groups that are easy to reaction in molecule segment, then by both hybrid reactions, obtained the polyacrylic ester-urethane resin that has chemical bond to link.Polyacrylic ester-urethane resin prepared by the present invention, polyurethane content variable range is wide, and resin property is stable, to pigment wetting good dispersity, uses alcohol, esters solvent, economic environmental protection.
Use polyacrylic ester-urethane resin prepared by the present invention can prepare single component gravure printing ink, the ink tinting strength of preparation is high, good fluidity, in stable condition, and printing adaptability is strong, respond well.
Embodiment
Embodiment 1.
1) get 150g methyl methacrylate, 128g n-butyl acrylate, 23.2g Hydroxyethyl acrylate, 2.16g vinylformic acid, 2.84g glycidyl methacrylate, add in reactor together with 200g ethyl acetate, stirring is warming up to 69 ℃, in 3 hours, in reactor, evenly add the initiator solution being formed by 4.7g Diisopropyl azodicarboxylate and 200g ethyl acetate to carry out Raolical polymerizable, after adding, continue reaction 3 hours, then add 0.5g Diisopropyl azodicarboxylate, 171.6g ethyl acetate and 142.9g Virahol, react again 2 hours, lower the temperature and obtain the polyacrylate resin with epoxy group(ing), solid content 30wt%, number-average molecular weight 16115, 8 ℃ of second-order transition temperatures.
2) by the vacuum drying polyneopentyl glycol adipate of 250g (number-average molecular weight 2000) and 52.7g isophorone diisocyanate, 0.025g dibutyl tin laurate mixes, be warming up to 70 ℃ react to system isocyanate base weight percentage be 2.85%, be cooled to room temperature, in 1 hour, add 605g ethyl acetate, 151.2g Virahol, 18.33g isophorone diamine, 3.04g γ-aminopropyl triethoxysilane, after adding, continue reaction 2 hours, obtain the urethane resin that contains primary amino, solid content 30wt%, number-average molecular weight 15718, amine value 4.24mgKOH/g.
3) get above-mentioned 510g polyacrylate resin and mix with 540g urethane resin, react 1 hour under room temperature, be warming up to 60 ℃ and continue reaction 4 hours, cooling, obtains polyacrylic ester-urethane resin, solid content 30wt%, viscosity 460mPas/25 ℃.
Embodiment 2.
1) get 125g methyl methacrylate, 92g ethyl acrylate, 13g hydroxyethyl methylacrylate, 1.29g methacrylic acid, 2.13g glycidyl methacrylate, add in reactor together with 152g ethyl acetate, stirring is warming up to 69 ℃, in 3 hours, in reactor, evenly add the initiator solution being formed by 3.6g Diisopropyl azodicarboxylate and 152g ethyl acetate to carry out Raolical polymerizable, after adding, continue reaction 3 hours, then add 0.4g Diisopropyl azodicarboxylate, 131.7g ethyl acetate and 108.9g Virahol, react again 2 hours, lower the temperature and obtain the polyacrylate resin with epoxy group(ing), solid content 30wt%, number-average molecular weight 15561, 9 ℃ of second-order transition temperatures.
2) by the vacuum drying polyneopentyl glycol adipate of 180g (number-average molecular weight 2000) and 40g isophorone diisocyanate, 0.018g dibutyl tin laurate mixes, be warming up to 68 ℃ react to system isocyanate base weight percentage be 3.31%, be cooled to room temperature, in 1 hour, add 441.5g ethyl acetate, 110.4g Virahol, 14.74g isophorone diamine, 1.15g γ-aminopropyl triethoxysilane, 0.65g Di-n-Butyl Amine, after adding, continue reaction 2 hours, obtain the urethane resin that contains primary amino, solid content 30wt%, number-average molecular weight 22322, amine value 2.38mgKOH/g.
3) get above-mentioned 390g polyacrylate resin and mix with 788g urethane resin, react 1 hour under room temperature, be warming up to 60 ℃ and continue reaction 4 hours, cooling, obtains polyacrylic ester-urethane resin, solid content 30wt%, viscosity 570mPas/25 ℃.
Embodiment 3.
1) get 172g vinyl-acetic ester, 100g ethyl propenoate, 43.2g Rocryl 410, 3.44g methacrylic acid, 1.42g glycidyl methacrylate, add in reactor together with 209g ethyl acetate, stirring is warming up to 73 ℃, in 3 hours, in reactor, evenly add the initiator solution being formed by 3.5g Diisopropyl azodicarboxylate and 209g ethyl acetate to carry out Raolical polymerizable, after adding, continue reaction 3 hours, then add 0.34g Diisopropyl azodicarboxylate, 179.5g ethyl acetate and 149.4g Virahol, react again 2 hours, lower the temperature and obtain the polyacrylate resin with epoxy group(ing), solid content 30wt%, number-average molecular weight 26013, 13 ℃ of second-order transition temperatures.
2) by the vacuum drying polypropylene glycol of 250g (number-average molecular weight 2000) and 50g isophorone diisocyanate, 0.037g dibutyl tin laurate mixes, be warming up to 68 ℃ react to system isocyanate base weight percentage be 2.54%, be cooled to room temperature, in 1 hour, add 593.4g ethyl acetate, 148.3g Virahol, 15.42g isophorone diamine, 1.31g N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane, 1.14g diethanolamine, after adding, continue reaction 2 hours, obtain the urethane resin that contains primary amino, solid content 30wt%, number-average molecular weight 17302, amine value 3.94mgKOH/g.
3) get above-mentioned 530g urethane resin and mix with 1070g polyacrylate resin, react 1 hour under room temperature, be warming up to 60 ℃ and continue reaction 4 hours, cooling, obtains polyacrylic ester-urethane resin, solid content 30wt%, viscosity 620mPas/25 ℃.
Embodiment 4.
1) get 100g methyl methacrylate, 172g vinyl-acetic ester, 128g n-butyl acrylate, 23.2g Hydroxyethyl acrylate, 1.44g vinylformic acid, 2.84g glycidyl methacrylate, add in reactor together with 279g ethyl acetate, stirring is warming up to 70 ℃, in 3 hours, in reactor, evenly add the initiator solution being formed by 5.8g Diisopropyl azodicarboxylate and 279g ethyl acetate to carry out Raolical polymerizable, after adding, continue reaction 3 hours, then add 0.6g Diisopropyl azodicarboxylate, 240g ethyl acetate and 199.5g Virahol, react again 2 hours, lower the temperature and obtain the polyacrylate resin with epoxy group(ing), solid content 30wt%, number-average molecular weight 20235, 8 ℃ of second-order transition temperatures.
2) by the vacuum drying polypropylene glycol of 330g (number-average molecular weight 2000) and 63.2g tolylene diisocyanate, 0.033g dibutyl tin laurate mixes, be warming up to 60 ℃ react to system isocyanate base weight percentage be 4.08%, be cooled to room temperature, in 1 hour, add 801.7g ethyl acetate, 200.4g Virahol, 31.07g isophorone diamine, 0.99g diethylenetriamine, 4.22g γ-aminopropyl triethoxysilane, after adding, continue reaction 2 hours, obtain the urethane resin that contains primary amino, solid content 30wt%, number-average molecular weight 20116, amine value 2.86mgKOH/g.
3) get above-mentioned 712g polyacrylate resin and mix with 716g urethane resin, react 1 hour under room temperature, be warming up to 60 ℃ and continue reaction 4 hours, cooling, obtains polyacrylic ester-urethane resin, solid content 30wt%, viscosity 680mPas/25 ℃.
Embodiment 5.
1) get 83.2g vinylbenzene, 129g vinyl-acetic ester, 128g n-butyl acrylate, 52g Propylene glycol monoacrylate, 2.16g vinylformic acid, 2.56g glycidyl acrylate, add in reactor together with 259g ethyl acetate, stirring is warming up to 70 ℃, in 3 hours, in reactor, evenly add the initiator solution being formed by 5.35g Diisopropyl azodicarboxylate and 259g ethyl acetate to carry out Raolical polymerizable, after adding, continue reaction 3 hours, then add 0.6g Diisopropyl azodicarboxylate, 222.9g ethyl acetate and 185.2g Virahol, react again 2 hours, lower the temperature and obtain the polyacrylate resin with epoxy group(ing), solid content 30wt%, number-average molecular weight 19846, 2 ℃ of second-order transition temperatures.
2) by the vacuum drying PTMG of 300g (number-average molecular weight 1000) and 86.6g isophorone diisocyanate, 0.09g dibutyl tin laurate mixes, be warming up to 74 ℃ react to system isocyanate base weight percentage be 1.78%, be cooled to room temperature, in 1 hour, add 752.5g ethyl acetate, 188.1g Virahol, 14.20g isophorone diamine, 1.81g γ-aminopropyl triethoxysilane, 0.51g thanomin, after adding, continue reaction 2 hours, obtain the urethane resin that contains primary amino, solid content 30wt%, number-average molecular weight 20284, amine value 2.76mgKOH/g.
3) get above-mentioned 662g polyacrylate resin and mix with 882g urethane resin, react 1 hour under room temperature, be warming up to 60 ℃ and continue reaction 4 hours, cooling, obtains polyacrylic ester-urethane resin, solid content 30wt%, viscosity 930mPas/25 ℃.
Embodiment 6.
1) get 258.8g β-dimethyl-aminoethylmethacrylate, 128g n-butyl acrylate, 39g hydroxyethyl methylacrylate, 2.58g methacrylic acid, 3.42g glycidyl allyl ether, add in reactor together with 282g ethyl acetate, stirring is warming up to 80 ℃, in 3 hours, in reactor, evenly add the initiator solution being formed by 5.9g benzoyl peroxide and 282g ethyl acetate to carry out Raolical polymerizable, after adding, continue reaction 3 hours, then add 0.6g benzoyl peroxide, 242g ethyl acetate and 201.5g Virahol, react again 2 hours, lower the temperature and obtain the polyacrylate resin with epoxy group(ing), solid content 30wt%, number-average molecular weight 20387, 16 ℃ of second-order transition temperatures.
2) by vacuum drying 170g polyneopentyl glycol adipate (number-average molecular weight 2000), 170g PTMG (number-average molecular weight 2000) and 75.7g dicyclohexyl methane diisocyanate, 0.051g dibutyl tin laurate mixes, be warming up to 68 ℃ react to system isocyanate base weight percentage be 2.34%, be cooled to room temperature, in 1 hour, add 816.4g ethyl acetate, 204.1g Virahol, 18.11g isophorone diamine, 1.03g N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane, 2.54g Di-n-Butyl Amine, after adding, continue reaction 2 hours, obtain the urethane resin that contains primary amino, solid content 30wt%, number-average molecular weight 28350, amine value 1.33mgKOH/g.
3) get above-mentioned 180g polyacrylate resin and mix with 729g urethane resin, react 1 hour under room temperature, be warming up to 60 ℃ and continue reaction 4 hours, cooling, obtains polyacrylic ester-urethane resin, solid content 30wt%, viscosity 750mPas/25 ℃.
Application examples.
Polyacrylic ester-the urethane resin that uses embodiment 1～6 to prepare is raw material, according to table 1 proportioning, prepares white gravure printing ink.
Chalk to above-mentioned preparation is tested, and the concrete method of inspection comprises: 1) color: check by GB/T 13217.1-2009; 2) fineness: press GB/T 13217.3-2008 check; 3) viscosity: press GB/T 13217.4-2008(and be coated with No. 4 cups) check; 4) tinting strength: press GB/T 13217.6-2008 check; 5) stability: under room temperature standing 7 days, observation ink state.
Concrete assay is in Table 2.
Claims (10)
1. the preparation method of polyacrylic ester-urethane resin for printing-ink, to prepare respectively the urethane resin that contains primary amino with the polyacrylate resin of epoxy group(ing) and preparation, polyacrylate resin with epoxy group(ing) is mixed with the urethane resin that contains primary amino, its epoxy group(ing) is reacted with primary amino, polyacrylic ester-the urethane resin that obtains having chemical bond-linking connecting structure, comprising:
1) preparation is with the polyacrylate resin of epoxy group(ing)
Take hard monomer, soft monomer, hydroxyl functional acrylic monomer, with functional acrylic monomer and the band epoxy group(ing) function monomer of carboxyl, be raw material monomer, by solution free radical polymerization, obtain the polyacrylate resin with epoxy group(ing), wherein, the percentage composition that various monomers account for raw material monomer gross weight is: hard monomer 30～70wt%, soft monomer 25～48wt%, hydroxyl functional acrylic monomer 4～20wt%, with the functional acrylic monomer 0.2～2wt% of carboxyl, band epoxy group(ing) function monomer 0.3～1.2wt%;
2) urethane resin that preparation contains primary amino
The oligopolymer dibasic alcohol that is 1000～3000 by number-average molecular weight and vulcabond according to the amount of substance of 1 ︰ 1.3～3 than mixing, under catalyzer dibutyl tin laurate exists, 60～75 ℃ are reacted while reaching theoretical value to system isocyanate base weight percentage, obtain performed polymer, be down to room temperature, with solvent cut, add diamine chain extenders and molecular weight regulator, reaction obtains the urethane resin that contains primary amino;
3) prepare polyacrylic ester-urethane resin
By 1) polyacrylate resin and 2 prepared) urethane resin prepared mixes according to the weight ratio of 0.2～3 ︰ 1, reacts 1～2 hour, then be warming up to 40～70 ℃ of reactions 2～8 hours under room temperature, and cooling obtains polyacrylic ester-urethane resin.
2. the preparation method of polyacrylic ester-urethane resin for printing-ink according to claim 1, it is characterized in that described 1) in various raw material monomers, described hard monomer is one or more the arbitrary proportion mixture in methyl methacrylate, β-dimethyl-aminoethylmethacrylate, vinyl-acetic ester, vinylbenzene; Described soft monomer is ethyl propenoate, n-butyl acrylate or ethyl acrylate; Described hydroxyl functional acrylic monomer is Hydroxyethyl acrylate, Propylene glycol monoacrylate, hydroxyethyl methylacrylate or Rocryl 410; The described functional acrylic monomer with carboxyl is acrylic or methacrylic acid; Described band epoxy group(ing) function monomer is glycidyl acrylate, glycidyl methacrylate or glycidyl allyl ether.
3. the preparation method of polyacrylic ester-urethane resin for printing-ink according to claim 1, it is characterized in that described solution free radical polymerization is that described raw material monomer is dissolved in reaction solvent, be warming up to 65～85 ℃, add the reaction solvent solution of initiator to carry out Raolical polymerizable, wherein, described initiator is Diisopropyl azodicarboxylate or benzoyl peroxide, its consumption accounts for 0.8～2wt% of raw material monomer gross weight, described reaction solvent is ethyl acetate and/or Virahol, and its consumption accounts for 210～260wt% of raw material monomer gross weight.
4. the preparation method of polyacrylic ester-urethane resin for printing-ink according to claim 3, solution free radical polymerization described in it is characterized in that is that the initiator of the first dissolving of the reaction solvent with 27～33wt% 89～95wt% obtains initiator solution, reaction solvent with 27～33wt% dissolves described raw material monomer and is warming up to 65～85 ℃ again, described initiator solution was evenly added in 2～4 hours, react 2～4 hours, add again remaining initiator and reaction solvent, react 2～4 hours, obtain the polyacrylate resin with epoxy group(ing).
5. the preparation method of polyacrylic ester-urethane resin for printing-ink according to claim 1, is characterized in that described 2) in oligopolymer dibasic alcohol be polyneopentyl glycol adipate, polypropylene glycol or PTMG; Vulcabond is isophorone diisocyanate, dicyclohexyl methane diisocyanate, tolylene diisocyanate or hexamethylene diisocyanate.
6. the preparation method of polyacrylic ester-urethane resin for printing-ink according to claim 1, it is characterized in that described 2) in diamine chain extenders be isophorone diamine, N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane or diethylenetriamine, adding the amount of diamine chain extenders to meet in diamine chain extenders the amount of substance ratio of isocyanate group in amino and performed polymer is 0.9～1.1 ︰ 1.
7. the preparation method of polyacrylic ester-urethane resin for printing-ink according to claim 1, it is characterized in that described 2) in molecular weight regulator be Di-n-Butyl Amine, thanomin, diethanolamine or γ-aminopropyl triethoxysilane, adding the amount of molecular weight regulator to meet in molecular weight regulator the amount of substance ratio of isocyanate group in amino and performed polymer is 0.02～0.15 ︰ 1.
8. the preparation method of polyacrylic ester-urethane resin for printing-ink according to claim 1, is characterized in that described 2) in for diluting the solvent of performed polymer, be ethyl acetate and/or Virahol.
9. the preparation method of polyacrylic ester-urethane resin for printing-ink according to claim 1, is characterized in that 1～3 hour described chain extending reaction time.
10. the preparation method of polyacrylic ester-urethane resin for printing-ink according to claim 1, is characterized in that described step 3) in urethane resin in contained primary amino and polyacrylate resin the amount of substance ratio of contained epoxy group(ing) be 1～1.5 ︰ 1.
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