CN103059230A - Acrylate modified aqueous polyurethane and preparation method and application thereof - Google Patents
Acrylate modified aqueous polyurethane and preparation method and application thereof Download PDFInfo
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- CN103059230A CN103059230A CN2013100353761A CN201310035376A CN103059230A CN 103059230 A CN103059230 A CN 103059230A CN 2013100353761 A CN2013100353761 A CN 2013100353761A CN 201310035376 A CN201310035376 A CN 201310035376A CN 103059230 A CN103059230 A CN 103059230A
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- 229920002635 polyurethane Polymers 0.000 title claims abstract description 63
- 239000004814 polyurethane Substances 0.000 title claims abstract description 63
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 title claims abstract description 48
- 238000002360 preparation method Methods 0.000 title claims abstract description 34
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000003973 paint Substances 0.000 claims abstract description 20
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229920003009 polyurethane dispersion Polymers 0.000 claims abstract description 14
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 9
- 229920000570 polyether Polymers 0.000 claims abstract description 9
- 239000004970 Chain extender Substances 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims description 28
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 18
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 16
- 239000005058 Isophorone diisocyanate Substances 0.000 claims description 8
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000004160 Ammonium persulphate Substances 0.000 claims description 7
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 7
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 7
- 235000019395 ammonium persulphate Nutrition 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 7
- PSGAAPLEWMOORI-PEINSRQWSA-N medroxyprogesterone acetate Chemical group C([C@@]12C)CC(=O)C=C1[C@@H](C)C[C@@H]1[C@@H]2CC[C@]2(C)[C@@](OC(C)=O)(C(C)=O)CC[C@H]21 PSGAAPLEWMOORI-PEINSRQWSA-N 0.000 claims description 7
- 150000002334 glycols Chemical class 0.000 claims description 4
- BJZYYSAMLOBSDY-QMMMGPOBSA-N (2s)-2-butoxybutan-1-ol Chemical compound CCCCO[C@@H](CC)CO BJZYYSAMLOBSDY-QMMMGPOBSA-N 0.000 claims description 3
- ARSRBNBHOADGJU-UHFFFAOYSA-N 7,12-dimethyltetraphene Chemical compound C1=CC2=CC=CC=C2C2=C1C(C)=C(C=CC=C1)C1=C2C ARSRBNBHOADGJU-UHFFFAOYSA-N 0.000 claims description 3
- VFZRZRDOXPRTSC-UHFFFAOYSA-N DMBA Natural products COC1=CC(OC)=CC(C=O)=C1 VFZRZRDOXPRTSC-UHFFFAOYSA-N 0.000 claims description 3
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims description 2
- 239000006185 dispersion Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 abstract description 19
- 239000011347 resin Substances 0.000 abstract description 19
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract description 16
- 229920003023 plastic Polymers 0.000 abstract description 9
- 239000004033 plastic Substances 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 239000000853 adhesive Substances 0.000 abstract 2
- 230000001070 adhesive effect Effects 0.000 abstract 2
- 229920001730 Moisture cure polyurethane Polymers 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 229920001577 copolymer Polymers 0.000 abstract 1
- 150000004985 diamines Chemical class 0.000 abstract 1
- 125000005442 diisocyanate group Chemical group 0.000 abstract 1
- 239000000383 hazardous chemical Substances 0.000 abstract 1
- 238000007591 painting process Methods 0.000 abstract 1
- 229920005862 polyol Polymers 0.000 abstract 1
- 150000003077 polyols Chemical class 0.000 abstract 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 12
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 11
- 238000007334 copolymerization reaction Methods 0.000 description 7
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 6
- NSOXQYCFHDMMGV-UHFFFAOYSA-N Tetrakis(2-hydroxypropyl)ethylenediamine Chemical compound CC(O)CN(CC(C)O)CCN(CC(C)O)CC(C)O NSOXQYCFHDMMGV-UHFFFAOYSA-N 0.000 description 5
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 239000003960 organic solvent Substances 0.000 description 4
- 238000003912 environmental pollution Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 1
- MKYBYDHXWVHEJW-UHFFFAOYSA-N N-[1-oxo-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propan-2-yl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(C(C)NC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 MKYBYDHXWVHEJW-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- RMMPZDDLWLALLJ-UHFFFAOYSA-N Thermophillin Chemical compound COC1=CC(=O)C(OC)=CC1=O RMMPZDDLWLALLJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 150000002009 diols Chemical class 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920000909 polytetrahydrofuran Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Abstract
The invention discloses acrylate modified aqueous polyurethane and a preparation method and an application thereof. The preparation method of the acrylate modified aqueous polyurethane comprises the following steps: adopting diisocyanate, polybutylene-acrylonitrile copolymer glycol and polyether polyol to generate NCO terminated pre-polymer; adopting hydrophilic chain extender to extend the chains, adopting triethylamine to neutralize, finally adding water liquor containing ethidene diamine to extend the chains, and then obtaining the aqueous polyurethane dispersion; and adopting styrene and crylic acid to modify the aqueous polyurethane dispersion, and then obtaining the acrylate modified aqueous polyurethane which has an interpenetrated network structure. The acrylate modified aqueous polyurethane prepared according to the method not only has small smell and does not pollute the environment, but also does not release hazardous substances during the painting process; the acrylate modified aqueous polyurethane is an environmental-friendly resin, and the resin has the advantages of high hardness, good alcohol resistance and good adhesive force on ABS, and the resin can provide hardness, good alcohol resistance and good adhesive force on ABS for water-based plastic paint.
Description
Technical field
The present invention relates to technical field of surface coating, relate in particular to a kind of Acrylate Modified Aqueous Polyurethane and its preparation method and application.
Background technology
The traditional paint that is used for plastic paint, generally be the various organic solvents that come from oil be thinner, this traditional paint is after application, wherein accounting for the paint organic solvent of volume more than 50% will become obnoxious flavour and distribute in air, cause serious air environmental pollution, and the health of human body has been consisted of threat.The simultaneously extraction of organic solvent also can be wasted a large amount of non-renewable petroleum resources.
Water-miscible paint is take water as dilution water, do not contain or contains the minute quantity organic solvent, and volatilizing after the application is water vapour in atmosphere, can not cause any harm to human body and environment, belongs to environmental protection, the resource-conserving product.
Further perfect along with environmental regulation, to alleviate earth load as purpose, the new coating of low VOC or zero VOC discharging becomes the focus of research and development, and the research and development of water-based plastic paint are more noticeable.The plastic paint resin that is used for ABS requires to have good sticking power, higher hardness, good anti-ethanol are cleaned ability and preferably silver powder arranged property.The water-based plastic paint that is used for ABS in the market has water-borne acrylic type and water-based polyurethane, but all comes with some shortcomings at sticking power and alcohol resistance.Therefore, prior art has yet to be improved and developed.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind of Acrylate Modified Aqueous Polyurethane and its preparation method and application, described Acrylate Modified Aqueous Polyurethane and ABS have analog structure, sticking power is good, and hardness and alcohol resistance all are improved, and are intended to solve the sticking power of existing water-based ABS plastic paint and the problem of alcohol resistance deficiency.
Technical scheme of the present invention is as follows:
A kind of preparation method of Acrylate Modified Aqueous Polyurethane, wherein, the preparation method of described Acrylate Modified Aqueous Polyurethane may further comprise the steps:
Polybutene-acrylonitrile compolymer glycol 10-20 part, polyether glycol 10-20 part, vulcabond 50-60 part are reacted 2-3h at 80-85 ℃, add hydrophilic chain extender 3-6 part and continue reaction 3-5h at 80-85 ℃, be cooled to 35 ~ 45 ℃ ℃ and add triethylamine 2-5 part reaction 30min, adding solubility is 15 ~ 25% ethylenediamine solution dispersion 0.5-1h, obtains aqueous polyurethane dispersion;
10 parts of water are added reaction vessel, be heated to 75 ~ 85 ℃; Get 50-70 part aqueous polyurethane and 20-40 part vinylbenzene, 1-2 part vinylformic acid, 0.5-1 part ammonium persulphate is mixed, then be added drop-wise in the 2-3h in the reaction vessel, insulation 0.5 ~ 1.5h cools to 50-60 ℃, adding ammoniacal liquor adjusting PH is 7-9, obtains described Acrylate Modified Aqueous Polyurethane.
The preparation method of described Acrylate Modified Aqueous Polyurethane, wherein, described polybutene-acrylonitrile compolymer glycol number-average molecular weight is 2000-3000.
The preparation method of described Acrylate Modified Aqueous Polyurethane, wherein, described polyether Glycols is PTMG or PPG, molecular weight is 1000-2000.
The preparation method of described Acrylate Modified Aqueous Polyurethane, wherein, described vulcabond is IPDI or H
12MDI.
The preparation method of described Acrylate Modified Aqueous Polyurethane, wherein, described hydrophilic chain extender is DMPA or DMBA.
A kind of Acrylate Modified Aqueous Polyurethane, wherein, described Acrylate Modified Aqueous Polyurethane is to adopt the preparation method of aforesaid Acrylate Modified Aqueous Polyurethane to prepare.
A kind of application of aforesaid Acrylate Modified Aqueous Polyurethane, wherein, with described Acrylate Modified Aqueous Polyurethane for the preparation of water-based ABS plastic paint.
Beneficial effect: the Acrylate Modified Aqueous Polyurethane that adopts above-mentioned preparation method to obtain, not only smell is little, free from environmental pollution, unharmful substance discharges in spraying process, it is a kind of environmental protection type resin, and this resin hardness is high, alcohol resistance is good, and is good to ABS sticking power, can be for the water-based plastic paint provides hardness, alcohol resistance is good and to the sticking power of ABS.
Description of drawings
Fig. 1 is preparation aqueous polyurethane dispersion reaction scheme schematic diagram among the preparation method of Acrylate Modified Aqueous Polyurethane of the present invention.
Fig. 2 adopts aqueous polyurethane dispersion to prepare the reaction scheme schematic diagram of Acrylate Modified Aqueous Polyurethane among the preparation method of Acrylate Modified Aqueous Polyurethane of the present invention.
Embodiment
The invention provides a kind of Acrylate Modified Aqueous Polyurethane and its preparation method and application, clearer, clear and definite for making purpose of the present invention, technical scheme and effect, below the present invention is described in more detail.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
Acrylate Modified Aqueous Polyurethane provided by the present invention, from ABS(acrylonitrile-butadiene-styrene (ABS) plastics, Acrylonitrile Butadiene Styrene plastic) structure is considered, design the requirement that the PUA resin (water soluble acrylic acid-polyurethane copolymerization resin) that has an analog structure with ABS satisfies sticking power, the high crosslinking structure of IPN of described Acrylate Modified Aqueous Polyurethane also can provide alcohol resistance and the hardness of paint film simultaneously.
The preparation process of described Acrylate Modified Aqueous Polyurethane comprises two parts:
1, preparation aqueous polyurethane dispersion: its reaction scheme as shown in Figure 1, generate the poly-pre-body of NCO end-blocking with vulcabond, polybutene-acrylonitrile compolymer two pure and mild polyether glycols, then use the hydrophilic chain extender chain extension, neutralize with triethylamine again, add at last the aqueous solution that contains quadrol and carry out rear chain extension, obtain aqueous polyurethane dispersion;
2, preparation Acrylate Modified Aqueous Polyurethane: (wherein, the R base is its reaction scheme as shown in Figure 2
), with vinylbenzene and vinylformic acid aqueous polyurethane dispersion is carried out modification, obtain having the water soluble acrylic acid of inierpeneirating network structure-polyurethane copolymerization resin, i.e. Acrylate Modified Aqueous Polyurethane provided by the present invention.
Particularly, the preparation method of described Acrylate Modified Aqueous Polyurethane may further comprise the steps:
Polybutene-acrylonitrile compolymer glycol 10-20 part, polyether glycol 10-20 part, vulcabond 50-60 part are reacted 2-3h at 80-85 ℃, add hydrophilic chain extender 3-6 part and continue reaction 3-5h at 80-85 ℃, be cooled to 35 ~ 45 ℃ and add triethylamine 2-5 part reaction 30min, adding solubility is aqueous solution 15-25 part of 15 ~ 25% quadrols, disperse 0.5-1h, obtain aqueous polyurethane dispersion;
10 parts of water are added reactor, be heated to 75 ~ 85 ℃, get 50-70 part aqueous polyurethane and 20-40 part vinylbenzene, 1-2 part vinylformic acid, 0.5-1 part ammonium persulphate is mixed, then be added drop-wise in the reactor in the 2-3h, insulation 0.5 ~ 1.5h, cool to 50-60 ℃, adding ammoniacal liquor, to regulate PH be 7-9, obtains the water soluble acrylic acid of inierpeneirating network structure-polyurethane copolymerization resin.
Wherein, described polybutene-acrylonitrile compolymer glycol number-average molecular weight is 2000-3000.Described polyether Glycols is the PTMG(polytetrahydrofuran diol) or the PPG(polyether glycol), molecular weight is 1000-2000.Described vulcabond is the IPDI(isophorone diisocyanate) or H
12MDI(hydrogenation methylenebis phenyl isocyanate).Described hydrophilic chain extender is DMPA(2, the 2-dimethylol propionic acid) or DMBA(2, the 2-dimethylolpropionic acid).
The Acrylate Modified Aqueous Polyurethane that adopts above-mentioned preparation method to obtain, not only smell is little, free from environmental pollution, unharmful substance discharges in spraying process, it is a kind of environmental protection type resin, and this resin hardness is high, alcohol resistance is good, and is good to ABS sticking power, can be for the water-based plastic paint provides hardness, alcohol resistance is good and to the sticking power of ABS.
Therefore, also provide the application of described Acrylate Modified Aqueous Polyurethane among the present invention, for the preparation of water-based ABS plastic paint, the hardness of paint film of gained water-based ABS plastic paint is high with described Acrylate Modified Aqueous Polyurethane, and alcohol resistance is good, and is good to ABS sticking power.
For making purpose of the present invention, technical scheme and effect clearer, clear and definite, the present invention will be further described by the following examples.
Embodiment 1
1) with 50 parts of polybutene-20 parts of acrylonitrile compolymer glycol, 20 parts of PPG, IPDI at 80 ℃ of reaction 3h, add 4 parts of DMPA and continue approximately 5h of reaction at 80 ℃, be cooled to 40 ℃ and add 3 parts of reactions of triethylamine 30min, 15 parts of the aqueous solution that add solubility and be 20% quadrol disperse approximately 1h, obtain aqueous polyurethane dispersion.
2) 10 parts of water are added reactor, be heated to 80 ℃, get 70 parts of aqueous polyurethanes and 20 parts of vinylbenzene, 2 parts of vinylformic acid, 0.5 part of ammonium persulphate are mixed, then be added drop-wise in the reactor in the 2.5h, insulation 1h, cool to 55 ℃, adding ammoniacal liquor, to regulate PH be 7, obtains the water soluble acrylic acid of inierpeneirating network structure-polyurethane copolymerization resin (PUA).Its product typical characteristics is as follows:
| Pencil hardness | HB |
| Sticking power | 0 grade |
| Alcohol resistance (100%, 50 time) | By |
Embodiment 2
1) with 50 parts of polybutene-20 parts of acrylonitrile compolymer glycol, 20 parts of PPG, IPDI at 85 ℃ of reaction 2h, add 4 parts of DMPA and continue approximately 3h of reaction at 85 ℃, be cooled to 45 ℃ and add 3 parts of reactions of triethylamine 30min, 15 parts of the aqueous solution that add solubility and be 15% quadrol disperse approximately 0.5h, obtain aqueous polyurethane dispersion.
2) 10 parts of water are added reactor, be heated to 85 ℃, get 50 parts of aqueous polyurethanes and 40 parts of vinylbenzene, 2 parts of vinylformic acid, 0.5 part of ammonium persulphate are mixed, then be added drop-wise in the reactor in the 2h, insulation 0.5h, cool to 60 ℃, adding ammoniacal liquor, to regulate PH be 8, obtains the water soluble acrylic acid of inierpeneirating network structure-polyurethane copolymerization resin (PUA).Its product typical characteristics is as follows:
| Pencil hardness | H |
| Sticking power | 0 grade |
| Alcohol resistance (100%, 50 time) | By |
Embodiment 3
1) with 60 parts of polybutene-20 parts of acrylonitrile compolymer glycol, 10 parts of PPG, IPDI at 83 ℃ of reaction 2.5h, add 4 parts of DMPA and continue approximately 4h of reaction at 83 ℃, be cooled to 35 ℃ and add 3 parts of reactions of triethylamine 30min, 20 parts of the aqueous solution that add solubility and be 25% quadrol disperse approximately 0.8h, obtain aqueous polyurethane dispersion.
2) 10 parts of water are added reactor, be heated to 75 ℃, get 70 parts of aqueous polyurethanes and 20 parts of vinylbenzene, 2 parts of vinylformic acid, 0.5 part of ammonium persulphate are mixed, then be added drop-wise in the reactor in the 3h, insulation 1.5h, cool to 50 ℃, adding ammoniacal liquor, to regulate PH be 9, obtains the water soluble acrylic acid of inierpeneirating network structure-polyurethane copolymerization resin (PUA).Its product typical characteristics is as follows:
| Pencil hardness | H |
| Sticking power | 0 grade |
| Alcohol resistance (100%, 50 time) | By |
Embodiment 4
1) with 60 parts of polybutene-20 parts of acrylonitrile compolymer glycol, 10 parts of PPG, IPDI at 85 ℃ of reaction 2h, add 4 parts of DMPA and continue approximately 5h of reaction at 80 ℃, be cooled to 40 ℃ and add 3 parts of reactions of triethylamine 30min, 20 parts of the aqueous solution that add solubility and be 20% quadrol disperse approximately 0.5h, obtain aqueous polyurethane dispersion.
2) 10 parts of water are added reactor, be heated to 80 ℃, get 50 parts of aqueous polyurethanes and 40 parts of vinylbenzene, 2 parts of vinylformic acid, 0.5 part of ammonium persulphate are mixed, then be added drop-wise in the reactor in the 2h, insulation 1h, cool to 50 ℃, adding ammoniacal liquor, to regulate PH be 7, obtains the water soluble acrylic acid of inierpeneirating network structure-polyurethane copolymerization resin (PUA).Its product typical characteristics is as follows:
| Pencil hardness | 2H |
| Sticking power | 0 grade |
| Alcohol resistance (100%, 50 time) | By |
By example 1-4 as seen, the PUA resin hardness that preparation method of the present invention obtains is higher, and sticking power is excellent, alcohol resistance is good, and its over-all properties can reach the performance of oiliness plastic paint resin, and the present invention is aqueous product, have environment-friendly advantage, can replace oiliness ABS plastic paint resin.
Should be understood that, application of the present invention is not limited to above-mentioned giving an example, and for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (7)
1. the preparation method of an Acrylate Modified Aqueous Polyurethane is characterized in that, the preparation method of described Acrylate Modified Aqueous Polyurethane may further comprise the steps:
Polybutene-acrylonitrile compolymer glycol 10-20 part, polyether glycol 10-20 part, vulcabond 50-60 part are reacted 2-3h at 80-85 ℃, add hydrophilic chain extender 3-6 part and continue reaction 3-5h at 80-85 ℃, be cooled to 35 ~ 45 ℃ ℃ and add triethylamine 2-5 part reaction 30min, adding solubility is 15 ~ 25% ethylenediamine solution dispersion 0.5-1h, obtains aqueous polyurethane dispersion;
10 parts of water are added reaction vessel, be heated to 75 ~ 85 ℃; Get 50-70 part aqueous polyurethane and 20-40 part vinylbenzene, 1-2 part vinylformic acid, 0.5-1 part ammonium persulphate is mixed, then be added drop-wise in the 2-3h in the reaction vessel, insulation 0.5 ~ 1.5h cools to 50-60 ℃, adding ammoniacal liquor adjusting PH is 7-9, obtains described Acrylate Modified Aqueous Polyurethane.
2. the preparation method of Acrylate Modified Aqueous Polyurethane according to claim 1 is characterized in that, described polybutene-acrylonitrile compolymer glycol number-average molecular weight is 2000-3000.
3. the preparation method of Acrylate Modified Aqueous Polyurethane according to claim 1 is characterized in that, described polyether Glycols is PTMG or PPG, and molecular weight is 1000-2000.
4. the preparation method of Acrylate Modified Aqueous Polyurethane according to claim 1 is characterized in that, described vulcabond is IPDI or H
12MDI.
5. the preparation method of Acrylate Modified Aqueous Polyurethane according to claim 1 is characterized in that, described hydrophilic chain extender is DMPA or DMBA.
6. an Acrylate Modified Aqueous Polyurethane is characterized in that, described Acrylate Modified Aqueous Polyurethane is to adopt the preparation method of Acrylate Modified Aqueous Polyurethane as claimed in claim 1 to prepare.
7. the application of an Acrylate Modified Aqueous Polyurethane as claimed in claim 6 is characterized in that, with described Acrylate Modified Aqueous Polyurethane for the preparation of water-based ABS plastic paint.
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| CN106397678A (en) * | 2016-08-31 | 2017-02-15 | 广州昊江新材料有限公司 | Acrylic acid-modified aqueous polyurethane, preparation method and application thereof |
| CN109642006A (en) * | 2016-08-25 | 2019-04-16 | 巴斯夫欧洲公司 | Polyurethane material with heat-resisting quantity |
| CN109666105A (en) * | 2018-12-14 | 2019-04-23 | 江南大学 | A kind of preparation method of the high insulating moulding coating of UV curable aqueous polyurethane |
| CN109897188A (en) * | 2019-03-12 | 2019-06-18 | 深圳市格莱特印刷材料有限公司 | A kind of preparation method and applications of poly- (Styrene And Chloroalkyl Acrylates)-polyurethane |
| CN110964171A (en) * | 2019-12-20 | 2020-04-07 | 万华化学集团股份有限公司 | Polyurethane polyurea water dispersion and preparation method and application thereof |
| CN111106353A (en) * | 2019-12-30 | 2020-05-05 | 华东理工大学 | Water-based binder for lithium-sulfur battery and preparation method thereof |
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| CN109642006B (en) * | 2016-08-25 | 2022-05-10 | 巴斯夫欧洲公司 | Polyurethane material with high temperature resistance |
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| CN109666105A (en) * | 2018-12-14 | 2019-04-23 | 江南大学 | A kind of preparation method of the high insulating moulding coating of UV curable aqueous polyurethane |
| CN109897188A (en) * | 2019-03-12 | 2019-06-18 | 深圳市格莱特印刷材料有限公司 | A kind of preparation method and applications of poly- (Styrene And Chloroalkyl Acrylates)-polyurethane |
| CN110964171A (en) * | 2019-12-20 | 2020-04-07 | 万华化学集团股份有限公司 | Polyurethane polyurea water dispersion and preparation method and application thereof |
| CN110964171B (en) * | 2019-12-20 | 2022-03-11 | 万华化学集团股份有限公司 | Polyurethane polyurea water dispersion and preparation method and application thereof |
| CN111106353A (en) * | 2019-12-30 | 2020-05-05 | 华东理工大学 | Water-based binder for lithium-sulfur battery and preparation method thereof |
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