CN109535908A - A kind of water-based epoxy acrylic hydrophobic coating and the preparation method and application thereof - Google Patents
A kind of water-based epoxy acrylic hydrophobic coating and the preparation method and application thereof Download PDFInfo
- Publication number
- CN109535908A CN109535908A CN201811255853.4A CN201811255853A CN109535908A CN 109535908 A CN109535908 A CN 109535908A CN 201811255853 A CN201811255853 A CN 201811255853A CN 109535908 A CN109535908 A CN 109535908A
- Authority
- CN
- China
- Prior art keywords
- water
- sio
- coating
- epoxy acrylic
- epoxy resin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000576 coating method Methods 0.000 title claims abstract description 68
- 239000011248 coating agent Substances 0.000 title claims abstract description 67
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 title claims abstract description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 239000004593 Epoxy Substances 0.000 title claims abstract description 47
- 230000002209 hydrophobic effect Effects 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title abstract description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 40
- 229910052681 coesite Inorganic materials 0.000 claims abstract description 35
- 229910052906 cristobalite Inorganic materials 0.000 claims abstract description 35
- 239000000839 emulsion Substances 0.000 claims abstract description 35
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 35
- 229910052682 stishovite Inorganic materials 0.000 claims abstract description 35
- 229910052905 tridymite Inorganic materials 0.000 claims abstract description 35
- 239000002245 particle Substances 0.000 claims abstract description 30
- 150000001875 compounds Chemical class 0.000 claims abstract description 17
- 239000000178 monomer Substances 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 22
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 21
- 239000003822 epoxy resin Substances 0.000 claims description 17
- 229920000647 polyepoxide Polymers 0.000 claims description 17
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical group [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 12
- 239000002904 solvent Substances 0.000 claims description 12
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 11
- 239000003792 electrolyte Substances 0.000 claims description 9
- 239000003995 emulsifying agent Substances 0.000 claims description 9
- -1 glycidyl ester Chemical class 0.000 claims description 9
- 239000003999 initiator Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 9
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 7
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 7
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 6
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 6
- 239000006185 dispersion Substances 0.000 claims description 5
- 229920000642 polymer Polymers 0.000 claims description 5
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims description 4
- 238000007720 emulsion polymerization reaction Methods 0.000 claims description 4
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 3
- 229910000077 silane Inorganic materials 0.000 claims description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 3
- 229920002554 vinyl polymer Polymers 0.000 claims description 3
- ZHUWIYQJHBMTCY-UHFFFAOYSA-N 3-[ethoxy(2,2,2-triethoxyethoxy)silyl]propan-1-amine Chemical compound NCCC[SiH](OCC(OCC)(OCC)OCC)OCC ZHUWIYQJHBMTCY-UHFFFAOYSA-N 0.000 claims description 2
- SOGAXMICEFXMKE-UHFFFAOYSA-N Butylmethacrylate Chemical compound CCCCOC(=O)C(C)=C SOGAXMICEFXMKE-UHFFFAOYSA-N 0.000 claims description 2
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 claims description 2
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 2
- GTXWPZRNXZAPGM-UHFFFAOYSA-N NCCC[SiH](OC(OCC)(OCC)OCC)OC Chemical compound NCCC[SiH](OC(OCC)(OCC)OCC)OC GTXWPZRNXZAPGM-UHFFFAOYSA-N 0.000 claims description 2
- 239000004844 aliphatic epoxy resin Substances 0.000 claims description 2
- 239000006071 cream Substances 0.000 claims description 2
- 239000011353 cycloaliphatic epoxy resin Substances 0.000 claims description 2
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical compound C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 claims description 2
- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 claims description 2
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 2
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 claims description 2
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 2
- 235000019394 potassium persulphate Nutrition 0.000 claims description 2
- 125000003011 styrenyl group Chemical group [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 claims description 2
- DEQJNIVTRAWAMD-UHFFFAOYSA-N 1,1,2,4,4,4-hexafluorobutyl prop-2-enoate Chemical compound FC(F)(F)CC(F)C(F)(F)OC(=O)C=C DEQJNIVTRAWAMD-UHFFFAOYSA-N 0.000 claims 1
- YEORLXJBCPPSOC-UHFFFAOYSA-N 2-amino-5-(diaminomethylideneazaniumyl)-2-(difluoromethyl)pentanoate Chemical compound NC(N)=NCCCC(N)(C(F)F)C(O)=O YEORLXJBCPPSOC-UHFFFAOYSA-N 0.000 claims 1
- YAGBAUUBKBTRNY-UHFFFAOYSA-N CO[SiH](OC)OC.C(C=C)(=O)OCCC[SiH2]OCC Chemical compound CO[SiH](OC)OC.C(C=C)(=O)OCCC[SiH2]OCC YAGBAUUBKBTRNY-UHFFFAOYSA-N 0.000 claims 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims 1
- NKSJNEHGWDZZQF-UHFFFAOYSA-N ethenyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)C=C NKSJNEHGWDZZQF-UHFFFAOYSA-N 0.000 claims 1
- 239000003292 glue Substances 0.000 claims 1
- 239000004845 glycidylamine epoxy resin Substances 0.000 claims 1
- 125000005395 methacrylic acid group Chemical group 0.000 claims 1
- 150000004968 peroxymonosulfuric acids Chemical class 0.000 claims 1
- DCKVNWZUADLDEH-UHFFFAOYSA-N sec-butyl acetate Chemical compound CCC(C)OC(C)=O DCKVNWZUADLDEH-UHFFFAOYSA-N 0.000 claims 1
- 229910052708 sodium Inorganic materials 0.000 claims 1
- 239000011734 sodium Substances 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 abstract description 10
- 239000003973 paint Substances 0.000 abstract description 9
- 239000000853 adhesive Substances 0.000 abstract description 6
- 230000001070 adhesive effect Effects 0.000 abstract description 6
- 230000015572 biosynthetic process Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 4
- 238000009435 building construction Methods 0.000 abstract 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Inorganic materials [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 8
- XDLMVUHYZWKMMD-UHFFFAOYSA-N 3-trimethoxysilylpropyl 2-methylprop-2-enoate Chemical compound CO[Si](OC)(OC)CCCOC(=O)C(C)=C XDLMVUHYZWKMMD-UHFFFAOYSA-N 0.000 description 7
- YJKHMSPWWGBKTN-UHFFFAOYSA-N 2,2,3,3,4,4,5,5,6,6,7,7-dodecafluoroheptyl 2-methylprop-2-enoate Chemical group CC(=C)C(=O)OCC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)F YJKHMSPWWGBKTN-UHFFFAOYSA-N 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical group CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 description 4
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 4
- KUBDPQJOLOUJRM-UHFFFAOYSA-N 2-(chloromethyl)oxirane;4-[2-(4-hydroxyphenyl)propan-2-yl]phenol Chemical compound ClCC1CO1.C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 KUBDPQJOLOUJRM-UHFFFAOYSA-N 0.000 description 4
- DUIOKRXOKLLURE-UHFFFAOYSA-N 2-octylphenol Chemical compound CCCCCCCCC1=CC=CC=C1O DUIOKRXOKLLURE-UHFFFAOYSA-N 0.000 description 4
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 4
- 150000001336 alkenes Chemical class 0.000 description 4
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 4
- 239000012153 distilled water Substances 0.000 description 4
- 235000019441 ethanol Nutrition 0.000 description 4
- XZWYZXLIPXDOLR-UHFFFAOYSA-N metformin Chemical compound CN(C)C(=N)NC(N)=N XZWYZXLIPXDOLR-UHFFFAOYSA-N 0.000 description 4
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 4
- 238000010792 warming Methods 0.000 description 4
- 239000004925 Acrylic resin Substances 0.000 description 3
- 229920000178 Acrylic resin Polymers 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 3
- 238000004566 IR spectroscopy Methods 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 3
- 238000013019 agitation Methods 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 230000000977 initiatory effect Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 229940051841 polyoxyethylene ether Drugs 0.000 description 3
- 229920000056 polyoxyethylene ether Polymers 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000012855 volatile organic compound Substances 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerol Natural products OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000006210 lotion Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 2
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Chemical compound [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 description 1
- IEQAICDLOKRSRL-UHFFFAOYSA-N 2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-(2-dodecoxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethanol Chemical compound CCCCCCCCCCCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCO IEQAICDLOKRSRL-UHFFFAOYSA-N 0.000 description 1
- MOMKYJPSVWEWPM-UHFFFAOYSA-N 4-(chloromethyl)-2-(4-methylphenyl)-1,3-thiazole Chemical compound C1=CC(C)=CC=C1C1=NC(CCl)=CS1 MOMKYJPSVWEWPM-UHFFFAOYSA-N 0.000 description 1
- 241000208340 Araliaceae Species 0.000 description 1
- RCEAADKTGXTDOA-UHFFFAOYSA-N OS(O)(=O)=O.CCCCCCCCCCCC[Na] Chemical compound OS(O)(=O)=O.CCCCCCCCCCCC[Na] RCEAADKTGXTDOA-UHFFFAOYSA-N 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 229910018557 Si O Inorganic materials 0.000 description 1
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 1
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
- GQBMZQUFIOSOMB-UHFFFAOYSA-N [Na].C(C)(=O)OO Chemical group [Na].C(C)(=O)OO GQBMZQUFIOSOMB-UHFFFAOYSA-N 0.000 description 1
- BNOODXBBXFZASF-UHFFFAOYSA-N [Na].[S] Chemical compound [Na].[S] BNOODXBBXFZASF-UHFFFAOYSA-N 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- 229920003180 amino resin Polymers 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 150000001555 benzenes Chemical group 0.000 description 1
- 230000002902 bimodal effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- QHIWVLPBUQWDMQ-UHFFFAOYSA-N butyl prop-2-enoate;methyl 2-methylprop-2-enoate;prop-2-enoic acid Chemical compound OC(=O)C=C.COC(=O)C(C)=C.CCCCOC(=O)C=C QHIWVLPBUQWDMQ-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 229920006334 epoxy coating Polymers 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- ARYZCSRUUPFYMY-UHFFFAOYSA-N methoxysilane Chemical compound CO[SiH3] ARYZCSRUUPFYMY-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 235000019983 sodium metaphosphate Nutrition 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 235000011008 sodium phosphates Nutrition 0.000 description 1
- DAJSVUQLFFJUSX-UHFFFAOYSA-M sodium;dodecane-1-sulfonate Chemical compound [Na+].CCCCCCCCCCCCS([O-])(=O)=O DAJSVUQLFFJUSX-UHFFFAOYSA-M 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000003075 superhydrophobic effect Effects 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000002411 thermogravimetry Methods 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- 230000010148 water-pollination Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D151/00—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
- C09D151/08—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/10—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polymers containing more than one epoxy radical per molecule
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Paints Or Removers (AREA)
Abstract
The present invention relates to a kind of water-based epoxy acrylic hydrophobic coating and the preparation method and application thereof, the preparation method includes: water-borne epoxy acrylic emulsion of the preparation containing fluosilicic；Preparation contains micro-nano SiO2The colloidal sol of compound particle；With above-mentioned water-borne epoxy acrylic emulsion and colloidal sol are mixed and are uniformly dispersed to obtain water-based epoxy acrylic hydrophobic coating.Paint stability according to the present invention is good, safety and environmental protection and pollution-free, the coating surface continuous formation of formation, adhesive force are stronger, surface hardness is high, weather resistance is excellent, has broad application prospect in fields such as vehicle body environmental protection coating material, building construction exterior coating and rail traffics.
Description
Technical field
The invention belongs to paint fields.In particular it relates to a kind of water-based epoxy acrylic hydrophobic coating and its system
Preparation Method and application.
Background technique
Coating plays increasingly important role in people's lives, and it is indispensable to have become modern social development
A kind of material.As Global Environmental Problems are more and more prominent, various countries' environmental regulation becomes sternly, and consumer's environmental consciousness improves, coating
Industry also faces the test of environmental protection problem, and Environmentally friendly coatings become the research hotspot of coating industry.
2009, the annual output of China's coating leapt to the first in the world, became global coating material production and consumption big country.But I
The quality of state's car paint, kind etc. lag behind some developed countries, and the car paint used at this stage is all largely
It is solvent type, wherein containing a large amount of volatile organic compounds (VOC), environment is not only polluted, but also influence human health.With
The relevant policies of government's limitation VOC emission puts into effect successively and the raising of health of people environmental consciousness, large-scale promotion uses water
Property coating has become inexorable trend.
Superior automobile and coachbuilt body are mainly used with amino resins, acrylic resin, alkyd resin, polyurethane tree at present
Rouge etc. is the coating of matrix.Wherein acrylic resin has an excellent colour retention, glossiness, good light, thermally and chemically stable
Property, coating storage characteristics are good, it is easy for construction, using safe, have broad application prospects on car body coating.
However, single acrylic resin water resistance, solvent resistance are poor, high temperature is tacky, low temperature becomes fragile, hardness and attachment
Power is low, limits the popularization and use of acrylic coating.In addition to this, not using conventional acrylic paint spraying vehicle body scratch resistance
Good, surface of the paint film easily scratches in the process of cleaning, influences painting quality, and acrylate hydrophobe coating has biggish contact angle, makes
It obtains vehicle body and has certain hydrophobicity, reduce the damage to painting quality in cleaning process, therefore prepare modified aqueous acrylic acid
Hydrophobic coating is an extremely urgent project.
103865372 A of Chinese patent CN is disclosed using the acrylic acid of organic fluorine richness as matrix and is added SiO2Nanometer
Particle prepares super hydrophobic coating, although increasing contact angle, the hardness of film is not high, water resistance is poor.
The composite modified acrylic emulsion stability of Wang Wenbo et al. epoxy resin, organosilicon, Organic fluoride is good, safety collar
It protects, water-resistance property of coating and solvent resistance are obviously improved, and hardness and adhesive force also significantly improve, but contact angle is low, show as parent
It is aqueous (Wang Wenbo, Weng Rui, to wait slowly, " water-borne epoxy acrylic emulsion preparation and performance study containing fluosilicic ", Wuhan science and engineering is big
It learns journal [J], 2017,39 (2): 1-7).
Therefore, have in this field there is an urgent need to a kind of disadvantages mentioned above for avoiding epoxy coating in the prior art
Excellent water resistance, heat resistance and weatherability, contact angle significantly increase and show as hydrophobic acrylic coating.
Summary of the invention
The purpose of the application is to provide a kind of acrylic coating, with excellent water resistance, heat resistance and weatherability,
Contact angle significantly increases and shows as hydrophobicity.
Therefore, according to the first aspect of the invention, a kind of method preparing water-based epoxy acrylic hydrophobic coating is provided,
The following steps are included:
I) in the presence of emulsifier, initiator and electrolyte, using methacrylic acid, epoxy resin, organosilicon, organic
Fluorine is selected from CH2=CHCOO (CH2)nCH3Soft monomer and be selected from styrene and CH3CH2=CHCOO (CH2)mCH3Hard monomer it is logical
It crosses emulsion polymerization and obtains the water-borne epoxy acrylic emulsion containing fluosilicic, wherein n and m indicates whole within the scope of 0-3 independently of each other
Number；
Ii) by Nano-meter SiO_22, micron SiO2, silane coupling agent dispersion in a solvent to obtain SiO containing micro-nano2Compound particle
Colloidal sol；With
Iii) colloidal sol obtained in water-borne epoxy acrylic emulsion and step ii obtained in step i)) is mixed and stirred for
Uniformly to obtain water-based epoxy acrylic hydrophobic coating.
According to the second aspect of the invention, a kind of water-based epoxy acrylic hydrophobic coating is provided, by according to the present invention
The method of first aspect is prepared.
The another object of the application is to provide a kind of product, and surface includes by coating according to the second aspect of the invention
The coating of formation.
Therefore, according to the third aspect of the invention we, a kind of product is provided, surface includes by second party according to the present invention
The coating that the coating in face is formed.
Water-based epoxy acrylic hydrophobic coating according to the present invention has excellent water resistance, heat resistance and weatherability, table
It is now hydrophobicity.Acrylate hydrophobe paint stability according to the present invention is good, safety and environmental protection and pollution-free, the coating surface of formation
Continuous formation, adhesive force is stronger, and weather resistance is excellent, and for temperature of initial decomposition at 350-380 DEG C, water contact angle has reached 113-
145 °, has broad application prospect in fields such as vehicle body environmental protection coating material, building external paint and rail traffics.
Detailed description of the invention
Hereinafter, it embodiments of the present invention will be explained with reference to the drawings, in which:
Fig. 1 is coating contact angle photo prepared by comparative example 1.
Fig. 2 is coating contact angle photo prepared by the embodiment of the present invention 1.
Fig. 3 is coating contact angle photo prepared by the embodiment of the present invention 2.
Fig. 4 is coating contact angle photo prepared by the embodiment of the present invention 3.
Fig. 5 is the flow chart that the water-borne epoxy acrylic emulsion containing fluosilicic is prepared in the embodiment of the present invention 1.
Fig. 6 is the infrared spectroscopy of the water-borne epoxy acrylic emulsion containing fluosilicic prepared in the embodiment of the present invention 1.
Fig. 7 contains micro-nano SiO for what is prepared in the embodiment of the present invention 12The infrared spectroscopy of the alcosol of compound particle.
Fig. 8 contains micro-nano SiO for what is prepared in the embodiment of the present invention 12The transmission electron microscope of the alcosol of compound particle.
Fig. 9 is the scanning electron microscope of coating prepared by coating using the embodiment of the present invention 3.
Specific embodiment
Technical solution of the present invention is described in detail below, with more fully embody each aspect of the present invention and more into
The objects, features and advantages of one step.
According to the first aspect of the invention, a kind of method preparing water-based epoxy acrylic hydrophobic coating is provided comprising
Following steps:
I) in the presence of emulsifier, initiator and electrolyte, using methacrylic acid, epoxy resin, organosilicon, organic
Fluorine is selected from CH2=CHCOO (CH2)nCH3Soft monomer and be selected from styrene and CH3CH2=CHCOO (CH2)mCH3Hard monomer it is logical
It crosses emulsion polymerization and obtains the water-borne epoxy acrylic emulsion containing fluosilicic, wherein n and m indicates whole within the scope of 0-3 independently of each other
Number；
Ii) by Nano-meter SiO_22, micron SiO2, silane coupling agent dispersion in a solvent to obtain SiO containing micro-nano2Compound particle
Colloidal sol；With
Iii) colloidal sol obtained in water-borne epoxy acrylic emulsion and step ii obtained in step i)) is mixed and stirred for
Uniformly to obtain water-based epoxy acrylic hydrophobic coating.
In the reaction system of step i), oil-water ratio is in 1: 1 to 1: 4 ranges, and preferably 1: 2.
In this application, " oil-water ratio " refers to the mass ratio of oily phase (organic phase) and water phase in reaction system.
Preferably, the emulsifier is selected from two Xin Bopo acid rouge sulphur sodium, lauryl sodium sulfate, natrium taurocholicum, octyl
Phenol polyethenoxy ether (OP-10), glycerin monostearate, monostearate propylene diester, Brij30 and dodecyl
Sodium sulfonate (SLS) and combinations thereof.
It is highly preferred that the emulsifier is the group of octyl phenol polyoxyethylene ether (OP-10) and dodecyl sodium sulfate (SLS)
It closes, wherein the mass ratio of octyl phenol polyoxyethylene ether (OP-10) and dodecyl sodium sulfate is 1: 1 to 5: 1.
Preferably, the emulsifier is the 2.5-4.5wt% of total monomer weight.
Preferably, the initiator is selected from ammonium persulfate (APS), sodium peroxydisulfate, potassium peroxydisulfate and combinations thereof.
Preferably, the initiator is the 0.6-1.0wt% of total monomer weight.
Wherein electrolyte refers to the buffer for adjusting the pH value of reaction system.
Preferably, the electrolyte is selected from peracetic acid sodium, sodium bicarbonate, sodium carbonate, sodium phosphate, sodium metaphosphate and its group
It closes.
The amount of electrolyte makes the pH value of reaction system within the scope of 7-8.
For purposes of the invention, the weight of electrolyte is the 0.45-0.65wt% of total monomer weight.
Preferably, methacrylic acid accounts for 3-6wt% in monomer, and epoxy resin accounts for 6-14wt%, and organosilicon accounts for 2-10wt%,
Organic fluoride accounts for 6-14wt%.
Preferably, the mass ratio of soft monomer and hard monomer is in 1: 1 to 2: 1 range, and preferably 1.25: 1.
Preferably, the epoxy resin is selected from glycidyl ether type epoxy resin, glycidyl ester epoxy resin, shrink
Glycerol amine epoxy resin, aliphatic epoxy resin, cycloaliphatic epoxy resin and combinations thereof.
Preferably, the organosilicon is selected from γ-methacryloxypropyl trimethoxy silane (MPS), vinyl three
Methoxy silane, vinyl three ('beta '-methoxy ethyoxyl) silane and combinations thereof.
Preferably, the Organic fluoride is selected from dodecafluoroheptyl methacrylate (DFMA), Hexafluorobutyl mathacrylate, third
Olefin(e) acid hexafluoro butyl ester and combinations thereof.
Preferably, the soft monomer is selected from methyl acrylate, ethyl acrylate, n-propyl, n-butyl acrylate
And combinations thereof.
Preferably, the hard monomer is selected from styrene, methyl methacrylate, ethyl methacrylate, methacrylic acid
The combination of N-butyl and combinations thereof, preferably styrene and n-BMA.
In present specification and claims, " micro-nano SiO2Compound particle " refers to a micron SiO2And Nano-meter SiO_22
Compound particle.
Preferably, the nanoscale SiO2Partial size be 20-100nm, more preferably 30-50nm.
Preferably, the micron order SiO2Partial size be 1-10 μm, more preferably 1-4um.
Preferably, the nanoscale SiO2With micron order SiO2Mass ratio be 1: 1 to 4: 1, more preferably 2: 1.
Preferably, the silane coupling agent is selected from 3-aminopropyltriethoxysilane (APTES), γ-aminopropyltriethoxy
Diethoxy silane, γ-aminopropyltriethoxy dimethoxysilane and combinations thereof.
Preferably, the silane coupling agent is with respect to SiO2Weight be 5-20wt%
Preferably, the solvent is selected from water, ethyl alcohol, methanol, butanol, isoprene and combinations thereof.
It is highly preferred that the solvent is the mixed liquor of the ethyl alcohol that volume ratio is 60-90: 10-30 and water.
Preferably, the SiO in step ii)2Weight ratio with the solvent is 1: 20 to 1: 50, preferably 1: 40.
In some embodiments, in step i) in emulsion polymerization at 70 DEG C -100 DEG C, preferably at 70 DEG C -80 DEG C
It carries out.
In some embodiments, step i) is proceeded as follows:
Emulsifier and initiator are dissolved in water respectively to form emulsion and initiation liquid；
Epoxy resin, organosilicon, Organic fluoride, part soft monomer and hard monomer are mixed, epoxy resin is dissolved completely in
In monomer；
Monomer and part emulsion are vigorously mixed at room temperature for 0.5h-2h and obtain pre-emulsion；
By methacrylic acid, part soft monomer and hard monomer, remaining emulsion and electrolyte agitation and it is warming up to 70-80
DEG C, while being added 1/2 and causing liquid, sustained response 0.5-1h；
Pre-emulsion is slowly added dropwise, and remaining initiation liquid is added during this period, 1-4h is added dropwise to complete；
It is warming up to 75-90 DEG C again, continues after keeping the temperature 1-10h, obtains the water-borne epoxy acrylic emulsion containing fluosilicic.
Preferably, in step ii), the dispersion is carried out by magnetic agitation or mechanical stirring.
In some embodiments, step ii) it proceeds as follows:
By Nano-meter SiO_22With micron SiO2Dispersion in a solvent, adds silane coupling agent, the magnetic agitation at 50-70 DEG C
20-30h obtains SiO containing micro-nano2The colloidal sol of compound particle.
Preferably, in step iii), micro-nano SiO in colloidal sol2In compound particle weight and water-borne epoxy acrylic emulsion
The ratio between polymer weight is 0.1: 1 to 1: 1, more preferably 0.1: 1 to 0.5: 1.
According to the second aspect of the invention, a kind of water-based epoxy acrylic hydrophobic coating is provided, by according to the present invention
The method of first aspect is prepared.
According to the third aspect of the invention we, a kind of product is provided, surface includes by according to the second aspect of the invention
The coating that coating is formed.
The product can be vehicle body, body exterior ornament etc..
It can arbitrarily be tied with the description for other one or more features in the application for the description of a feature
It closes, as long as this combination can carry out.
"comprising" and " comprising " described herein cover also contain or comprise the other elements being not expressly mentioned feelings
Shape and the situation being made of mentioned element.
Unless otherwise stated, amount, the reaction condition etc. of the expression ingredient used in the specification and in the claims
All numerical value be understood to modify by term " about ".Therefore, unless the contrary indication, the numerical value ginseng otherwise illustrated herein
The approximation that number is the required performance that can obtain as needed to change.
Unless otherwise defined, all technical and scientific terms used herein have those skilled in the art of the invention
Normally understood identical meaning.When the definition of term in this specification and the normally understood meaning of those skilled in the art of the invention
When justice is contradictory, it is subject to definition described herein.
Embodiment
It is described further below with reference to technical effect of the embodiment to design and generation of the invention, so that this field
Technical staff can be fully understood from the purpose of the present invention, feature and effect.It should be understood that these embodiments are only schematical,
Do not constitute limiting the scope of the present invention.
The chemical equation of primary raw material used:
(1) γ-methacryloxypropyl trimethoxy silane (MPS)
(2) dodecafluoroheptyl methacrylate (DFMA)
(3) bisphenol A type epoxy resin (E-44)
Embodiment 1
I) preparation of the water-borne epoxy acrylic emulsion containing fluosilicic:
By mass ratio be 2: 1 emulsifier octyl phenol polyoxyethylene ether (OP-10) and dodecyl sodium sulfate (SLS) one
Composite emulsifying liquid (I) is formed in quantitative distilled water, initiator ammonium persulfate (APS) is dissolved in be formed in distilled water and causes liquid
(II)；
By bisphenol A type epoxy resin (E-44), γ-methacryloxypropyl trimethoxy silane (MPS), methyl-prop
Ten difluoro heptyl ester (DFMA) of olefin(e) acid, part acrylic acid N-butyl (BA) and styrene (St) mixing, make E-44 be dissolved completely in list
In body；
Monomer and half emulsion (I) are vigorously mixed at room temperature for 1h and obtain pre-emulsion (III)；
By methacrylic acid (MAA), part acrylic acid N-butyl (BA) and styrene (St) monomer, remaining half emulsion
(I) and sodium bicarbonate (NaHCO3) stir and be warming up to 75 DEG C, while half is added and causes liquid, continue when reaching set temperature anti-
Answer 40min；
Then pre-emulsion (III) is slowly added dropwise, and adds the initiation of a small amount of remaining half every 10min during this period
Liquid, 2h are added dropwise to complete；
It is warming up to 80 DEG C again, continues after keeping the temperature 1.5h, obtains the water-borne epoxy acrylic emulsion containing fluosilicic.
Wherein oil-water ratio is 1: 2, and methacrylic acid (MAA) accounts for 3wt% in monomer, and epoxy resin accounts for 10wt%, organosilicon
5wt% is accounted for, Organic fluoride accounts for 10wt%, and n-butyl acrylate (BA) and styrene (St) mass ratio are 1.25: 1, and emulsifier is single
The 3.5wt% of body total weight, initiator are the 0.8wt% of total monomer weight, and electrolyte is the 0.55wt% of total monomer weight.
Reaction process is as follows:
Fig. 5 is the flow chart for preparing the water-borne epoxy acrylic emulsion containing fluosilicic.
Fig. 6 is the infrared spectrogram of water-borne epoxy acrylic emulsion of the gained containing fluosilicic, it can be found that 1510cm-1Place is E-
C=C bending vibration on substituted benzene ring, 1361cm are aligned in 44-1Place is-C (CH3)2Bending vibration, the characteristic peak of Si-O exists
1000-1100cm-1Between, the feature overlap of peaks with C-O makes 1031-1250cm-1The characteristic peak at place broadens, in 1297cm-1Place
And 674cm-1Place is respectively-CF3Characteristic peak and-CF stretching vibration peak.Illustrate that E-44, MPS and DFMA have been involved in reaction,
The water-borne epoxy acrylic emulsion containing fluosilicic is successfully synthesized.
Ii) contain micro-nano SiO2The preparation of the colloidal sol of compound particle:
It is 3: 1 SiO for measuring that partial size is about 50nm according to mass ratio2The SiO for being about 1 μm with partial size2, with SiO2With solvent
Weight ratio be 1: 40 be added to ethyl alcohol and distilled water (distilled water and ethyl alcohol mass ratio=1: in mixed liquor 7), then again plus
Enter to account for SiO2The silane coupled 3-aminopropyltriethoxysilane (APTES) of particle gross mass 10%, magnetic force stirs at 60 DEG C
It mixes for 24 hours, obtains containing micro-nano SiO2The alcosol of compound particle.
Fig. 7 is that gained contains micro-nano SiO2The infrared spectroscopy of the alcosol of compound particle, it is found that modified SiO2It is multiple
Particle is closed in 3340cm-1Locate band broadening, remitted its fury, the characteristic peak of the characteristic peak for being primarily due to N-H and-OH weighs herein
It is folded, make to form wider bimodal distribution in this region, simultaneously because one OH of part is consumed in reaction, so peak intensity slightly subtracts
It is weak, it is possible thereby to show to be successfully prepared the amino-containing active micro-nano SiO in surface2Compound particle.
Fig. 8 is that gained contains micro-nano SiO2The transmission electron microscope of the alcosol of compound particle finds micron-sized SiO2For rule
Sphere, partial size is about 1 μm, soilless sticking, dispersibility preferably.Nanoscale SiO2It joins together, nanometer can be observed after amplification
Grade SiO2In irregular rubble shape, partial size is about 50nm.SiO in the micron-scale2Surrounding surrounds many nanoscale SiO2, say
It is bright to be successfully prepared the SiO with micro-nano diadactic structure2Compound particle.
Iii) the preparation of water-based epoxy acrylic hydrophobic coating:
Appropriate step ii is added in the water-borne epoxy acrylic emulsion containing fluosilicic prepared in the step i)) in preparation contain
There is micro-nano SiO2The alcosol of compound particle, wherein micro-nano SiO in alcosol2Compound particle weight and water-based epoxy acrylic cream
The ratio between polymer weight is 0.1: 1 in liquid, obtains water-based epoxy acrylic hydrophobic coating after ultrasonic disperse 10min at normal temperature.
Embodiment 2
The step of according to step i) water-borne epoxy acrylic emulsion of the preparation containing fluosilicic of embodiment 1 and according to embodiment 1
Ii) preparation contains micro-nano SiO2Then the alcosol of compound particle is added suitable in the water-borne epoxy acrylic emulsion containing fluosilicic
Amount contains micro-nano SiO2The alcosol of compound particle, wherein micro-nano SiO in alcosol2Compound particle weight and water-base epoxy third
The ratio between polymer weight is 0.2: 1 in olefin(e) acid lotion, and it is hydrophobic to obtain water-based epoxy acrylic after ultrasonic disperse 10min at normal temperature
Coating.
Embodiment 3
The step of according to step i) water-borne epoxy acrylic emulsion of the preparation containing fluosilicic of embodiment 1 and according to embodiment 1
Ii) preparation contains micro-nano SiO2Then the alcosol of compound particle is added suitable in the water-borne epoxy acrylic emulsion containing fluosilicic
Amount contains micro-nano SiO2The alcosol of compound particle, wherein micro-nano SiO in alcosol2Compound particle weight and water-base epoxy third
The ratio between polymer weight is 0.3: 1 in olefin(e) acid lotion, and it is hydrophobic to obtain water-based epoxy acrylic after ultrasonic disperse 10min at normal temperature
Coating.
Fig. 9 is the scanning electron microscope of coating prepared by coating using embodiment 3, it can be observed that the surface of coating is very
It is coarse, possess a large amount of hole and protrusion, micron-sized SiO2It is high-visible in regular spherical, around it is wrapped in nanoscale
Grain, also there are many nano-scale particles for micron order convex surfaces, they together constitute micro-nano diadactic structure, and this structure can be cut
More air are obtained, the contact area of water droplet and coating is reduced, water droplet is difficult to sprawl and soak under surface tension effects, from
And assign coating ultra-hydrophobicity.
Comparative example 1
The water-borne epoxy acrylic emulsion containing fluosilicic, and ultrasonic disperse at normal temperature are prepared according to the step i) of embodiment 1
The coating of embodiment 1 as a comparison after 10min.
Embodiment 4
Clean sheet glass is immersed in embodiment 1-3 and the coating of comparative example 1, then with the speed of 1 mm/s
It carries out pulling film forming to place into drying box and be further dried at room temperature after surface drying, obtains coating.
Using contact angle of the JC2000C1 type contact angle measurement measurement water droplet on different films；Using STA449F3 type
Synchronous solving carries out thermogravimetric analysis to different coating；Successively according to GB/T 1733-1993, GB/T 9286-1998, GB/T
Water resistance, adhesive force, the hardness of requirement measurement different coating in 6739-2006.
The results are shown in Table 1 for dependence test:
The test result of each embodiment floating coat of table 1
| Index | Comparative example 1 | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Water contact angle/° | 74 | 113 | 136 | 145 |
| Temperature of initial decomposition/DEG C | 374 | 380 | 383 | 387 |
| Pencil hardness | 3H | 4H | 4H | 5H |
| Adhesive force | 1 grade | 2 grades | 2 grades | 3 grades |
| Water resistance | Pass through | Pass through | Pass through | Pass through |
As shown in Table 1, relative to comparative example 1, the water contact angle of Examples 1 to 3 is significantly increased, and coating is from hydrophily
It is transformed into hydrophobicity, temperature of initial decomposition increases, and thermal stability makes moderate progress.This is because being added to micro-nano structure SiO2It is compound
Particle, the particle resurfacing surface form micro-nano coarse structure, and the size of this structure is much smaller than the size of water droplet, it and water
Drop when connecing water droplet be difficult to enter, make air entrapment wherein and hold up water droplet, under surface tension effects, water droplet be difficult to soak and
It sprawls, contact angle increases.Coating hardness and adhesive force are preferable, can not only meet the use of general occasion, but also in vehicle body environmental protection
The fields such as coating, building external paint and rail traffic have broad application prospect.
Although having showed and having discussed some aspects of the invention, those skilled in the art should realize
It arrives, above-mentioned aspect can be changed under conditions of without departing substantially from the principle of the invention and spirit, therefore the scope of the present invention will
It is limited by claim and equivalent content.
Claims (17)
1. a kind of method for preparing water-based epoxy acrylic hydrophobic coating, which is characterized in that itself the following steps are included:
I) in the presence of emulsifier, initiator and electrolyte, using methacrylic acid, epoxy resin, organosilicon, Organic fluoride, choosing
From CH2=CHCOO (CH2)nCH3Soft monomer and be selected from styrene and CH3CH2=CHCOO (CH2)mCH3Hard monomer pass through cream
Liquid polymerize to obtain the water-borne epoxy acrylic emulsion containing fluosilicic, and wherein n and m indicates the integer within the scope of 0-3 independently of each other；
Ii) by Nano-meter SiO_22, micron SiO2, silane coupling agent dispersion in a solvent to obtain SiO containing micro-nano2Compound particle it is molten
Glue；With
Iii) colloidal sol obtained in water-borne epoxy acrylic emulsion and step ii obtained in step i)) is mixed and stirred for uniformly
To obtain water-based epoxy acrylic hydrophobic coating.
2. the method according to claim 1, wherein the initiator is selected from ammonium persulfate (APS), persulfuric acid
Sodium, potassium peroxydisulfate and combinations thereof.
3. method according to claim 1 or 2, which is characterized in that the epoxy resin is selected from glycidyl ether type epoxy
Resin, glycidyl ester epoxy resin, glycidyl amine epoxy resin, aliphatic epoxy resin,
Cycloaliphatic epoxy resin and combinations thereof.
4. method according to any one of claim 1-3, which is characterized in that the organosilicon is selected from γ-metering system
Acryloxypropylethoxysilane trimethoxy silane (MPS), vinyltrimethoxysilane, ('beta '-methoxy ethyoxyl) silane of vinyl three and
A combination thereof.
5. method according to any of claims 1-4, which is characterized in that the Organic fluoride is selected from methacrylic acid ten
Difluoro heptyl ester (DFMA), Hexafluorobutyl mathacrylate, hexafluorobutyl acrylate and combinations thereof.
6. method according to any one of claims 1-5, which is characterized in that the soft monomer be selected from methyl acrylate,
Ethyl acrylate, n-propyl, n-butyl acrylate and combinations thereof.
7. method according to claim 1 to 6, which is characterized in that the hard monomer is selected from styrene, methyl
Methyl acrylate, ethyl methacrylate, n-BMA and combinations thereof, preferably styrene and methacrylic acid are just
The combination of butyl ester.
8. method according to any one of claims 1-7, which is characterized in that the nanoscale SiO2Partial size be 20-
100nm, more preferably 30-50nm.
9. method according to claim 1 to 8, which is characterized in that the micron order SiO2Partial size be 1-10 μ
M, more preferably 1-4um.
10. method according to claim 1 to 9, which is characterized in that the nanoscale SiO2With micron order SiO2
Mass ratio be 1: 1 to 4: 1, more preferably 2: 1.
11. method according to claim 1 to 10, which is characterized in that the SiO in step ii)2With the weight of solvent
Amount is than being 1: 20 to 1: 50, preferably 1: 40.
12. method described in any one of -11 according to claim 1, which is characterized in that the silane coupling agent is selected from 3- amino
Propyl-triethoxysilicane (APTES), γ-aminopropyltriethoxy diethoxy silane, γ-aminopropyltriethoxy dimethoxysilane and
A combination thereof.
13. method described in any one of -12 according to claim 1, which is characterized in that in step i) in emulsion polymerization 70
At DEG C -100 DEG C, preferably carried out at 70 DEG C -80 DEG C.
14. method according to claim 1 to 13, which is characterized in that in step iii), SiO in alcosol2
The ratio between polymer weight is 0.1: 1 to 1: 1, more preferably 0.1: 1- in compound particle weight and water-borne epoxy acrylic emulsion
0.5∶1。
15. a kind of water-based epoxy acrylic hydrophobic coating is prepared by method described in any one of claim 1-14
It arrives.
16. a kind of product, surface includes the coating that the coating as described in claim 15 is formed.
17. product according to claim 16 is selected from vehicle body and body exterior ornament.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811255853.4A CN109535908A (en) | 2018-10-25 | 2018-10-25 | A kind of water-based epoxy acrylic hydrophobic coating and the preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811255853.4A CN109535908A (en) | 2018-10-25 | 2018-10-25 | A kind of water-based epoxy acrylic hydrophobic coating and the preparation method and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109535908A true CN109535908A (en) | 2019-03-29 |
Family
ID=65845642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811255853.4A Pending CN109535908A (en) | 2018-10-25 | 2018-10-25 | A kind of water-based epoxy acrylic hydrophobic coating and the preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109535908A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111793407A (en) * | 2020-06-24 | 2020-10-20 | 珠海钛然科技有限公司 | Preparation method of super-hydrophobic flame-retardant coating with excellent performance |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102653628A (en) * | 2012-04-24 | 2012-09-05 | 东莞上海大学纳米技术研究院 | Preparation method and application of nano sol modified waterborne polyurethane emulsion |
| CN103937353A (en) * | 2014-05-20 | 2014-07-23 | 重庆海联水性涂料有限公司 | Application of nano silicon dioxide sol in water-based steel structure anticorrosive paint and protective paint |
| CN104046217A (en) * | 2013-03-12 | 2014-09-17 | 无锡市顺业科技有限公司 | Preparation method of high strength superhydrophobic coating |
| CN104559622A (en) * | 2014-12-24 | 2015-04-29 | 常州大学 | Superhydrophobic coating and preparation method thereof |
| CN105017934A (en) * | 2015-08-05 | 2015-11-04 | 中国石油天然气股份有限公司 | Bionic micro-nano structure anti-corrosion and anti-scaling coating |
-
2018
- 2018-10-25 CN CN201811255853.4A patent/CN109535908A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102653628A (en) * | 2012-04-24 | 2012-09-05 | 东莞上海大学纳米技术研究院 | Preparation method and application of nano sol modified waterborne polyurethane emulsion |
| CN104046217A (en) * | 2013-03-12 | 2014-09-17 | 无锡市顺业科技有限公司 | Preparation method of high strength superhydrophobic coating |
| CN103937353A (en) * | 2014-05-20 | 2014-07-23 | 重庆海联水性涂料有限公司 | Application of nano silicon dioxide sol in water-based steel structure anticorrosive paint and protective paint |
| CN104559622A (en) * | 2014-12-24 | 2015-04-29 | 常州大学 | Superhydrophobic coating and preparation method thereof |
| CN105017934A (en) * | 2015-08-05 | 2015-11-04 | 中国石油天然气股份有限公司 | Bionic micro-nano structure anti-corrosion and anti-scaling coating |
Non-Patent Citations (1)
| Title |
|---|
| 王文波等: "《含硅氟的水性环氧丙烯酸乳液制备与性能研究》", 《武汉理工大学学报》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111793407A (en) * | 2020-06-24 | 2020-10-20 | 珠海钛然科技有限公司 | Preparation method of super-hydrophobic flame-retardant coating with excellent performance |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105176371B (en) | Ultraviolet-curing paint and preparation method and ultra-hydrophilic transparent antifogging coating and preparation method | |
| CN110078867B (en) | Core-shell pure acrylic emulsion for exterior wall coating and preparation method and application thereof | |
| CN107325603B (en) | A kind of aqueous photochromic coating, nail polish and ornament materials | |
| CN103289012B (en) | The preparation method of oiliness aluminium-silver slurry Water-borne modification auxiliary agent and prepared water-borne coatings | |
| CN103937360B (en) | A kind of preparation method of low-temperature setting Water-based glass baking paint | |
| CN100584867C (en) | Process for preparing room temperature self-crosslinking acrylic ester emulsion modified by inorganic nano particle | |
| CN109401373A (en) | A kind of preparation method of super-hydrophobic oleophobic silica solution | |
| CN109321050A (en) | A kind of weather-proof masking liquid, weatherability vehicle glass and its manufacturing method | |
| CN108250877A (en) | A kind of phosphate modified acrylic acid aqueous industrial coating | |
| CN105384864A (en) | Room temperature multiple self-crosslinking nano acrylate copolymer emulsion and preparation method and water-based woodenware paint using emulsion as base material | |
| CN107189609A (en) | A kind of emulsion comprising micro-nano hydrophobic material and preparation method and application | |
| CN101348681B (en) | Antivibration wear resistant paint and shock absorption sound deadening sheet | |
| CN108047839A (en) | A kind of aqueous inorganic environmental protection coating material and preparation method thereof | |
| CN102796430A (en) | Primer paint | |
| CN105969032A (en) | Water-based alkyd paint and preparation method thereof | |
| CN102876097A (en) | Weather-resistant emulsion paint | |
| CN105542583B (en) | A kind of production method of water-based fluorocarbon-concrete base building coating | |
| CN106085044B (en) | A kind of antimicrobial nano coating, preparation method and the coating of antimicrobial nano coating | |
| CN107513325B (en) | A kind of weather-proof epoxy thickness slurry anticorrosive paint and preparation method thereof | |
| CN111057463B (en) | UV-cured anti-glare coating and preparation method thereof | |
| CN109913063A (en) | A kind of anti-graffiti interior wall sealing wax of fluorescence and preparation method thereof | |
| CN107502180A (en) | The photocureable coating of fluorine-containing boron modification methyl vinyl MQ silicon resin | |
| CN105482587A (en) | Environment-friendly water-based nano-structure wood paint and preparation method thereof | |
| CN106221514A (en) | A kind of high-hardness, wearable coating | |
| CN109535908A (en) | A kind of water-based epoxy acrylic hydrophobic coating and the preparation method and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200807 Address after: Susong Road West and Shenzhen Road North, Hefei Economic and Technological Development Zone, Anhui Province Applicant after: Weilai (Anhui) Holding Co., Ltd Address before: 30 Floor of Yihe Building, No. 1 Kangle Plaza, Central, Hong Kong, China Applicant before: NIO NEXTEV Ltd. |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190329 |