CN109134736A - Aqueous polyvinylidene chloride-acrylate copolymer latex for heavy-duty anticorrosive paint and preparation method thereof - Google Patents
Aqueous polyvinylidene chloride-acrylate copolymer latex for heavy-duty anticorrosive paint and preparation method thereof Download PDFInfo
- Publication number
- CN109134736A CN109134736A CN201810647450.8A CN201810647450A CN109134736A CN 109134736 A CN109134736 A CN 109134736A CN 201810647450 A CN201810647450 A CN 201810647450A CN 109134736 A CN109134736 A CN 109134736A
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- China
- Prior art keywords
- parts
- copolymer latex
- anticorrosive paint
- acid
- aqueous
- Prior art date
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- 239000004816 latex Substances 0.000 title claims abstract description 46
- 229920000126 latex Polymers 0.000 title claims abstract description 46
- 229920001577 copolymer Polymers 0.000 title claims abstract description 29
- 229920000131 polyvinylidene Polymers 0.000 title claims abstract description 28
- 239000003973 paint Substances 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 239000000178 monomer Substances 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 16
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 15
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 claims abstract description 14
- 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 claims abstract description 14
- 239000008367 deionised water Substances 0.000 claims abstract description 14
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 14
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims abstract description 11
- 239000003999 initiator Substances 0.000 claims abstract description 11
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 9
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 9
- 239000003381 stabilizer Substances 0.000 claims abstract description 8
- 150000004670 unsaturated fatty acids Chemical class 0.000 claims abstract description 6
- 235000021122 unsaturated fatty acids Nutrition 0.000 claims abstract description 6
- 229920006241 epoxy vinyl ester resin Polymers 0.000 claims abstract 2
- 229920005989 resin Polymers 0.000 claims description 25
- 239000011347 resin Substances 0.000 claims description 25
- 239000000839 emulsion Substances 0.000 claims description 20
- -1 Hexafluorobutyl Chemical group 0.000 claims description 18
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 13
- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical group CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 claims description 12
- 150000001875 compounds Chemical class 0.000 claims description 11
- 229940106691 bisphenol a Drugs 0.000 claims description 10
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 9
- 239000000194 fatty acid Substances 0.000 claims description 9
- 229930195729 fatty acid Natural products 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- 229920001567 vinyl ester resin Polymers 0.000 claims description 9
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 125000000217 alkyl group Chemical group 0.000 claims description 8
- 235000006708 antioxidants Nutrition 0.000 claims description 8
- CUXYLFPMQMFGPL-UHFFFAOYSA-N (9Z,11E,13E)-9,11,13-Octadecatrienoic acid Natural products CCCCC=CC=CC=CCCCCCCCC(O)=O CUXYLFPMQMFGPL-UHFFFAOYSA-N 0.000 claims description 7
- ZZZCUOFIHGPKAK-UHFFFAOYSA-N D-erythro-ascorbic acid Natural products OCC1OC(=O)C(O)=C1O ZZZCUOFIHGPKAK-UHFFFAOYSA-N 0.000 claims description 7
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 7
- 229920001214 Polysorbate 60 Polymers 0.000 claims description 7
- 229930003268 Vitamin C Natural products 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 7
- CUXYLFPMQMFGPL-SUTYWZMXSA-N all-trans-octadeca-9,11,13-trienoic acid Chemical compound CCCC\C=C\C=C\C=C\CCCCCCCC(O)=O CUXYLFPMQMFGPL-SUTYWZMXSA-N 0.000 claims description 7
- 229940056585 ammonium laurate Drugs 0.000 claims description 7
- VJCJAQSLASCYAW-UHFFFAOYSA-N azane;dodecanoic acid Chemical compound [NH4+].CCCCCCCCCCCC([O-])=O VJCJAQSLASCYAW-UHFFFAOYSA-N 0.000 claims description 7
- BEGBSFPALGFMJI-UHFFFAOYSA-N ethene;sodium Chemical group [Na].C=C BEGBSFPALGFMJI-UHFFFAOYSA-N 0.000 claims description 7
- LRMHFDNWKCSEQU-UHFFFAOYSA-N ethoxyethane;phenol Chemical compound CCOCC.OC1=CC=CC=C1 LRMHFDNWKCSEQU-UHFFFAOYSA-N 0.000 claims description 7
- 229910052708 sodium Inorganic materials 0.000 claims description 7
- 239000011734 sodium Substances 0.000 claims description 7
- 235000019154 vitamin C Nutrition 0.000 claims description 7
- 239000011718 vitamin C Substances 0.000 claims description 7
- OZCMOJQQLBXBKI-UHFFFAOYSA-N 1-ethenoxy-2-methylpropane Chemical compound CC(C)COC=C OZCMOJQQLBXBKI-UHFFFAOYSA-N 0.000 claims description 6
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 6
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 6
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 6
- OIWOHHBRDFKZNC-UHFFFAOYSA-N cyclohexyl 2-methylprop-2-enoate Chemical group CC(=C)C(=O)OC1CCCCC1 OIWOHHBRDFKZNC-UHFFFAOYSA-N 0.000 claims description 6
- 238000010792 warming Methods 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 150000002148 esters Chemical class 0.000 claims description 5
- RXBOCDZLKBPILN-UHFFFAOYSA-N 2-propylheptyl prop-2-enoate Chemical group CCCCCC(CCC)COC(=O)C=C RXBOCDZLKBPILN-UHFFFAOYSA-N 0.000 claims description 4
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 claims description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 4
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims description 4
- 239000003945 anionic surfactant Substances 0.000 claims description 4
- 238000004945 emulsification Methods 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 230000004044 response Effects 0.000 claims description 4
- 239000004094 surface-active agent Substances 0.000 claims description 4
- FOVKHTSFPJLUQN-UHFFFAOYSA-N 1-ethoxy-1,3,5-triazinane-2,4,6-trione Chemical class CCON1C(=O)NC(=O)NC1=O FOVKHTSFPJLUQN-UHFFFAOYSA-N 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- UUORTJUPDJJXST-UHFFFAOYSA-N n-(2-hydroxyethyl)prop-2-enamide Chemical compound OCCNC(=O)C=C UUORTJUPDJJXST-UHFFFAOYSA-N 0.000 claims description 3
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims description 2
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical group ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 claims description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 2
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims description 2
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-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
- YIVJZNGAASQVEM-UHFFFAOYSA-N Lauroyl peroxide Chemical compound CCCCCCCCCCCC(=O)OOC(=O)CCCCCCCCCCC YIVJZNGAASQVEM-UHFFFAOYSA-N 0.000 claims description 2
- RCEAADKTGXTDOA-UHFFFAOYSA-N OS(O)(=O)=O.CCCCCCCCCCCC[Na] Chemical compound OS(O)(=O)=O.CCCCCCCCCCCC[Na] RCEAADKTGXTDOA-UHFFFAOYSA-N 0.000 claims description 2
- 239000005642 Oleic acid Substances 0.000 claims description 2
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims description 2
- DTOSIQBPPRVQHS-PDBXOOCHSA-N alpha-linolenic acid Chemical compound CC\C=C/C\C=C/C\C=C/CCCCCCCC(O)=O DTOSIQBPPRVQHS-PDBXOOCHSA-N 0.000 claims description 2
- 235000020661 alpha-linolenic acid Nutrition 0.000 claims description 2
- YQHLDYVWEZKEOX-UHFFFAOYSA-N cumene hydroperoxide Chemical compound OOC(C)(C)C1=CC=CC=C1 YQHLDYVWEZKEOX-UHFFFAOYSA-N 0.000 claims description 2
- 235000003891 ferrous sulphate Nutrition 0.000 claims description 2
- 239000011790 ferrous sulphate Substances 0.000 claims description 2
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 2
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 2
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims description 2
- 229960004488 linolenic acid Drugs 0.000 claims description 2
- KQQKGWQCNNTQJW-UHFFFAOYSA-N linolenic acid Natural products CC=CCCC=CCC=CCCCCCCCC(O)=O KQQKGWQCNNTQJW-UHFFFAOYSA-N 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims description 2
- 125000001820 oxy group Chemical group [*:1]O[*:2] 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
- 239000001509 sodium citrate Substances 0.000 claims description 2
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 claims description 2
- 235000011083 sodium citrates Nutrition 0.000 claims description 2
- 239000002736 nonionic surfactant Substances 0.000 claims 2
- ZYUVGYBAPZYKSA-UHFFFAOYSA-N 5-(3-hydroxybutan-2-yl)-4-methylbenzene-1,3-diol Chemical compound CC(O)C(C)C1=CC(O)=CC(O)=C1C ZYUVGYBAPZYKSA-UHFFFAOYSA-N 0.000 claims 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims 1
- 125000005526 alkyl sulfate group Chemical group 0.000 claims 1
- NHADDZMCASKINP-HTRCEHHLSA-N decarboxydihydrocitrinin Natural products C1=C(O)C(C)=C2[C@H](C)[C@@H](C)OCC2=C1O NHADDZMCASKINP-HTRCEHHLSA-N 0.000 claims 1
- NLVXSWCKKBEXTG-UHFFFAOYSA-M ethenesulfonate Chemical compound [O-]S(=O)(=O)C=C NLVXSWCKKBEXTG-UHFFFAOYSA-M 0.000 claims 1
- 235000019197 fats Nutrition 0.000 claims 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims 1
- 230000000977 initiatory effect Effects 0.000 claims 1
- 150000002632 lipids Chemical class 0.000 claims 1
- 125000001400 nonyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims 1
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims 1
- 235000019394 potassium persulphate Nutrition 0.000 claims 1
- 238000004321 preservation Methods 0.000 claims 1
- 239000011248 coating agent Substances 0.000 abstract description 10
- 238000000576 coating method Methods 0.000 abstract description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 9
- 238000005260 corrosion Methods 0.000 abstract description 9
- 239000001301 oxygen Substances 0.000 abstract description 9
- 229910052760 oxygen Inorganic materials 0.000 abstract description 9
- 230000007797 corrosion Effects 0.000 abstract description 7
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 abstract description 6
- 229920002554 vinyl polymer Polymers 0.000 abstract description 5
- 229920000180 alkyd Polymers 0.000 abstract description 4
- 239000002245 particle Substances 0.000 abstract description 3
- 238000007334 copolymerization reaction Methods 0.000 abstract description 2
- 238000001035 drying Methods 0.000 abstract description 2
- 239000002131 composite material Substances 0.000 abstract 1
- 238000002955 isolation Methods 0.000 abstract 1
- 231100000252 nontoxic Toxicity 0.000 abstract 1
- 230000003000 nontoxic effect Effects 0.000 abstract 1
- 230000004888 barrier function Effects 0.000 description 8
- 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 description 5
- 238000000034 method Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000012085 test solution Substances 0.000 description 4
- STWZWUFRTQEEMW-UHFFFAOYSA-N 1,1-dichloroethene;prop-2-enoic acid Chemical compound ClC(Cl)=C.OC(=O)C=C STWZWUFRTQEEMW-UHFFFAOYSA-N 0.000 description 3
- WQPMYSHJKXVTME-UHFFFAOYSA-N 3-hydroxypropane-1-sulfonic acid Chemical compound OCCCS(O)(=O)=O WQPMYSHJKXVTME-UHFFFAOYSA-N 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 3
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 150000003839 salts Chemical group 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000007720 emulsion polymerization reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 150000004665 fatty acids Chemical class 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 230000000855 fungicidal effect Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000006210 lotion Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 230000007096 poisonous effect Effects 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- NPSSWQJHYLDCNV-UHFFFAOYSA-N prop-2-enoic acid;hydrochloride Chemical compound Cl.OC(=O)C=C NPSSWQJHYLDCNV-UHFFFAOYSA-N 0.000 description 2
- CCJAYIGMMRQRAO-UHFFFAOYSA-N 2-[4-[(2-hydroxyphenyl)methylideneamino]butyliminomethyl]phenol Chemical compound OC1=CC=CC=C1C=NCCCCN=CC1=CC=CC=C1O CCJAYIGMMRQRAO-UHFFFAOYSA-N 0.000 description 1
- LPNSCOVIJFIXTJ-UHFFFAOYSA-N 2-methylidenebutanamide Chemical compound CCC(=C)C(N)=O LPNSCOVIJFIXTJ-UHFFFAOYSA-N 0.000 description 1
- AOJJSUZBOXZQNB-VTZDEGQISA-N 4'-epidoxorubicin Chemical group O([C@H]1C[C@@](O)(CC=2C(O)=C3C(=O)C=4C=CC=C(C=4C(=O)C3=C(O)C=21)OC)C(=O)CO)[C@H]1C[C@H](N)[C@@H](O)[C@H](C)O1 AOJJSUZBOXZQNB-VTZDEGQISA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229910021607 Silver chloride Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- JUVLUFKEEQRGMQ-UHFFFAOYSA-N [S].OCCC Chemical compound [S].OCCC JUVLUFKEEQRGMQ-UHFFFAOYSA-N 0.000 description 1
- DPZFPPWWSNNMPI-UHFFFAOYSA-N [S]C=C Chemical compound [S]C=C DPZFPPWWSNNMPI-UHFFFAOYSA-N 0.000 description 1
- 229920006243 acrylic copolymer Polymers 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 150000008051 alkyl sulfates Chemical class 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 238000007033 dehydrochlorination reaction Methods 0.000 description 1
- 238000002242 deionisation method Methods 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 238000010556 emulsion polymerization method Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 125000002573 ethenylidene group Chemical group [*]=C=C([H])[H] 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 235000003642 hunger Nutrition 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 150000004968 peroxymonosulfuric acids Chemical class 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- SJMYWORNLPSJQO-UHFFFAOYSA-N tert-butyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC(C)(C)C SJMYWORNLPSJQO-UHFFFAOYSA-N 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 235000021081 unsaturated fats Nutrition 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Classifications
-
- 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
- C08F214/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
- C08F214/02—Monomers containing chlorine
- C08F214/04—Monomers containing two carbon atoms
- C08F214/08—Vinylidene chloride
-
- 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
- C08F4/00—Polymerisation catalysts
- C08F4/40—Redox systems
-
- 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
- C09D127/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/04—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C09D127/08—Homopolymers or copolymers of vinylidene chloride
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- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
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Abstract
The invention discloses aqueous polyvinylidene chloride-acrylate copolymer latex for heavy-duty anticorrosive paint and a preparation method thereof, wherein the aqueous polyvinylidene chloride-acrylate copolymer latex is prepared from the following components in parts by weight: 70-85 parts of vinylidene chloride, 3-10 parts of polymeric functional monomer, 8-20 parts of acrylate monomer, 8-12 parts of bisphenol A epoxy vinyl ester resin, 3-6 parts of waterborne alkyd resin, 2-5 parts of unsaturated fatty acid, 1-3 parts of composite emulsifier, 0.3-0.8 part of initiator, 0.3-0.8 part of reducing agent, 0.1-0.5 part of stabilizer, 0.1-0.5 part of antioxidant and 80-150 parts of deionized water. The latex prepared by copolymerization of various vinyl-containing monomers has good stability, uniform particle size and strong cohesive force, a film formed after coating and drying has excellent performances of oxygen isolation, moisture resistance, corrosion resistance and the like, and the film is transparent for a long time, does not turn yellow, is environment-friendly and nontoxic.
Description
Technical field
The present invention relates to a kind of anticorrosive paints, and in particular to a kind of semi-continuous seed emulsion polymerization method prepares aqueous polyvinylidene two
Vinyl chloride-acrylate copolymer latex.
Background technique
Currently, the emphasis that the anticorrosive paint of Harmless develops is water-based anticorrosive paint, in terms of anticorrosive paint field
Using in rising trend, such as infrastructure, power industry and container, ship and chemical industry etc..Water alcohol acid, pure C
Or vinyl acetate-acrylic latex paint and a variety of water-dispersed paints etc. all once had the example of application at home, but since above-mentioned coating is total
Body performance is poor, and majority is served only for low-end product of less demanding.In recent years, a kind of novel polyvinylidene chloride-acrylate
Copolymer latex start be applied to protecting metallic surface coating, because its be free of inflammable and toxic solvent, film with it is good every
Oxygen waterproof performance can substantially reduce corrosion of metal speed, steel offer can be effectively protected in extreme conditions, together
When this kind of coating lower cost can also be brought to user, obtained wide application in anti-corrosion of metal field.
Polyvinylidene chloride-acrylic ester copolymer latex is that a kind of barrier property is high, toughness is strong and the good material of chemical stability
Material, and there is excellent oil resistant, corrosion-resistant, guarantor's taste and oxygen barrier moisture-proof and fungicidal properties, it has been widely used in food, paper
, cosmetics and military supplies etc. are various needs the demanding product packaging of the barrier such as oxygen barrier anti-corrosion, moisture-proof, the oil removal permeation-proof of water proof
Field.
By consulting pertinent literature, according to the difference of processing method, polyvinylidene chloride-acrylic copolymer resin can be divided into two
Seed type: one kind is the resin of extrusion, use in injection molding；Second is that the latex of coating film, is total with vinylidene etc.
The prepared latex of poly- aqueous emulsion has low pollution and high performance benefits.Wherein Chinese patent CN107759721A is described
A kind of waterborne metal anti-corrosive paint polyvinylidene chloride-acrylate copolymer emulsion, wherein by vinylidene chloride, vinyl chloride,
Acrylic acid-2-ethyl caproite and N hydroxymethyl acrylamide are copolymerized, which has preferable heat resistance, water resistance and resistance to
It is salt fog.Chinese patent CN102650866A describes a kind of coating high resistant oxygen polyvinylidene emulsions, passes through nanometer
Modified, in potting resin structure gap, keeps structure closer, substantially increases oxygen resistance.But above-mentioned obtained lotion exists
When storage, stability is not good enough, crystallinity is excessively high, and the normal coating for affecting it uses.
Summary of the invention
It is an object of that present invention to provide a kind of anticorrosive paint aqueous vinylidene chloride-acrylate latexes and its preparation side
Method has excellent oil resistant, corrosion resistant using polyvinylidene chloride-acrylate latex film that half titration emulsion method obtains
Erosion, oxygen barrier moisture-proof and fungicidal properties etc., and the transparent, non yellowing of film long-time.
The present invention is achieved by the following technical solutions:
A kind of anticorrosive paint aqueous polyvinylidene dichloroethylene-acrylic ester copolymer latex, is prepared by weight by following components
It forms: 70-85 parts of vinylidene chloride, 3-10 parts of aggretion type function monomer, 8-20 parts of acrylate monomer, bisphenol-A epoxy ethylene
8-12 parts of base ester resin, 3-6 parts of aqueous alkide resin, 2-5 parts of unsaturated fatty acid, 1-3 parts of compound emulsifying agent, initiator 0.3-
0.8 part, 0.3-0.8 parts of reducing agent, 0.1-0.5 parts of stabilizer, 0.1-0.5 parts of antioxidant, 80-150 parts of deionized water.
Further scheme, the aggretion type function monomer are 2- propylheptyl acrylate, three (2- ethoxy) isocyanuric acids three
In acrylate, N- hydroxyethyl acrylamide, VINYL ISOBUTYL ETHER, acrylic acid trifluoro ethyl ester and Hexafluorobutyl mathacrylate
It is at least one.
Further scheme, the acrylate monomer be cyclohexyl methacrylate, methyl acrylate, methyl methacrylate,
At least one of Tert-butyl Methacrylate, ethyl acrylate and methacrylic acid.
Further scheme, the unsaturated fatty acid are at least one of linolenic acid, eleostearic acid and oleic acid.
Further scheme, the compound emulsifying agent are response type surfactant active, anionic surfactant and non-ionic surface
Activating agent is (2-3) in mass ratio: (1-2): 1 mixture mixed.
Further scheme, the response type surfactant active are selected from 1- allyl ether -3- hydroxypropanesulfonic acid sodium or vinyl sulphur
Hydrochlorate；The anionic surfactant is selected from alkyl phenol ether ammonium sulfate or lauryl sodium sulfate；Non-ionic surface active
Polyoxyethylene nonyl phenyl vinyl ethers or polyoxyethylene sorbitan fatty acid ester are selected in agent.
Further scheme, the initiator are tert-butyl hydroperoxide, isopropyl benzene hydroperoxide, dilauroyl peroxide, persulfuric acid
At least one of potassium and azobisisoheptonitrile；The reducing agent is selected from least the one of vitamin C, sodium citrate and ferrous sulfate
Kind.
Further scheme, the stabilizer are alkyl sulfate or ammonium laurate；The antioxidant selects sodium ethylene diamine tetracetate
Or N- cyclohexyl is to oxygroup aniline.
Another goal of the invention of the invention is to provide above-mentioned anticorrosive paint aqueous polyvinylidene dichloroethylene-acrylic ester copolymer
The preparation method of latex comprising following steps:
(1) preparation of pre-emulsion
It is added the 50~70% of deionized water and compound emulsifying agent total amount in a kettle, after stirring and dissolving, sequentially adds inclined two
Vinyl chloride, aggretion type function monomer, acrylate monomer, bisphenol-A epoxide vinylester resin, aqueous alkide resin and unsaturation
Fatty acid is warming up to 60~70 DEG C, and quickly stirring forms pre-emulsion；
(2) preparation of copolymer latex
Addition deionized water, the 30~50% of initiator total amount and remaining compound emulsifying agent, are stirred molten in pressure reaction still
Solution；Logical nitrogen is forced into 0.1~0.3MPa to seal after draining the air in reaction kettle；50~60 DEG C are then heated to, to
5~10% that pre-emulsion total amount is added in reaction kettle are used as seed emulsion, to reaction system blueing light；By reducing agent and residue
Initiator is mixed into initiation-reducing agent, while initiation-reducing agent and remaining pre-emulsion is added dropwise；65-78 DEG C is warming up to after dripping off
Keep the temperature 30-45min, then cool down release, and be added metering stabilizer and antioxidant stirring after filtering and discharging to get aqueous poly-
Vinylidene chloride-acrylic ester copolymer latex.
Further scheme, the initiation-reducing agent and remaining pre-emulsion control are at the uniform velocity added dropwise in 6~10h, protect simultaneously
Holding temperature is 50 DEG C~60 DEG C.
Aqueous polyvinylidene dichloroethylene-acrylic ester copolymer latex quality index prepared by the present invention is as shown in the table:
| Project | Index |
| Latex appearance | Milky white band blue light |
| Solid content | 50±1 |
| Viscosity | <100 |
| PH value | 1.0~3.0 |
| Surface tension | <50 |
The present invention is by vinylidene chloride, aggretion type function monomer, acrylate monomer, bisphenol-A epoxide vinylester resin and alcohol
A variety of vinyl-containing monomers such as acid resin are made through emulsifying process, by copolyreaction prepare latex stability is good, partial size is equal
It is even, cohesive force is strong；It can be by chemical resistance, wearability good vinyl epoxy resin and weatherability, machinery through emulsion polymerization
The good alkyd resin of performance is bonded on vinylidene chloride polymer strand, and the collaboration that intercouples can give full play to material itself
Characteristic improves the comprehensive performance of latex.The film formed after latex coating prepared by the present invention is dry has oxygen barrier moisture-proof, corrosion resistant
The excellent properties such as corrosion, and film is transparent for a long time, does not turn yellow, it is environment-protecting and non-poisonous.
The present invention improves the influences that generate to polymerization reaction of factors such as polymerized monomer formula, emulsifier selection, using containing ethylene
The monomers such as the epoxy vingl ester resin and alkyd resin and vinylidene chloride of base carry out being copolymerized obtained latex, on the one hand can introduce
The weatherability of epoxy resin and alkyd resin, the advantages that rate of drying is fast, hardness is high, on the other hand can will by emulsion copolymerization
Each bonding monomeis is on polymer molecular chain, and good with polyvinylidene chloride-acrylate latex compatibility, film performance is more preferably.
Currently available technology is all using typical polymerization monomer come modified polyvinilidene vinyl chloride, but the latex prepared is during storage
Easily occur that dehydrochlorination reaction, stability is bad, the film after coating is easy discoloration, and cannot keep clear, colorless shape for a long time
State.And the present invention well solves the above problem, the present invention participates in reaction, the suitable emulsification of selection by addition functional form monomer
Agent largely enhances latex water resistance and salt fog resistance, also improves the storage stability of latex, and uniform particle sizes glue
Attached power is strong, and prepared film keeps clear, colorless state for a long time, and film barrier property is high, toughness is strong and chemical stability is good for this
It is good, it can satisfy the application in fields such as packaging, automobile, food service industrys.
The present invention selects vinylidene chloride cheap and easy to get as main monomers, cooperates aggretion type function monomer, acrylic acid
A series of vinyl-containing monomers such as ester monomer, bisphenol-A epoxide vinylester resin, aqueous alkide resin, unsaturated fatty acid with
Compound emulsifying agent is carried out pre-emulsification and is obtained by seed semi-continuous emulsion polymerization mode aqueous using oxidation-reduction trigger system
Polyvinylidene chloride-acrylic ester copolymer latex.The stability of copolymer latex prepared by the present invention is good, uniform particle sizes, cohesive force
By force, the film formed after coating is dry has the excellent properties such as oxygen barrier moisture-proof, corrosion resistance, and film is transparent for a long time, constant
Huang, it is environment-protecting and non-poisonous.
Specific embodiment
The present invention is further described below with reference to embodiment.
Embodiment one
Formula: the present embodiment in parts by weight, including following components:
80 parts of vinylidene chloride, aggretion type function monomer (3 parts of 2- propylheptyl acrylate, 2 parts of N- hydroxyethyl acrylamide)；
Acrylate monomer (5 parts of methyl methacrylate, 3 parts of cyclohexyl methacrylate, 5 parts of methacrylic acid)；Unsaturated fat
Acid is 2 parts of eleostearic acid；Compound emulsifying agent (2.3 parts of sodium of 1- allyl ether 3- hydroxypropanesulfonic acid, alkyl phenol ether ammonium sulfate 1.5
0.75 part of part and polyoxyethylene sorbitan fatty acid ester)；0.5 part of initiator tert-butyl hydroperoxide, reducing agent vitamin C
0.3 part, 0.1 part of stabilizer ammonium laurate, 0.1 part of antioxidant sodium ethylene diamine tetracetate, 90 parts of deionized water.
The preparation method of aqueous vinylidene chloride-acrylate latex includes following operating procedure:
(1) preparation of pre-emulsion
The compound emulsifying agent of deionized water, formula ratio 70% is added in a kettle, stirring dissolves emulsifier, sequentially adds partially
Dichloroethylene, aggretion type function monomer, acrylate monomer, bisphenol-A epoxide vinylester resin, aqueous alkide resin and insatiable hunger
And fatty acid, 60 DEG C are warming up to, quickly stirring forms pre-emulsion.
(2) preparation of copolymer latex
Initiator of the addition with deionized water dissolving formula ratio 40%, residual emulsifier in pressure reaction still, then will be equipped with pre-
The constant pressure funnel of emulsion and remaining initiator-reducing agent solution is attached on reaction kettle, and logical nitrogen drains for a period of time
Air in kettle is forced into 0.25MPa after sealing device.After being heated to 60 DEG C, the pre-emulsion of addition about 10% is as seed
To reaction system blueing light, while remaining pre-emulsion and initiator+reducing agent is added dropwise in lotion, control both in 8h at the uniform velocity
It is added dropwise, while keeping temperature is 60 DEG C, the two is warming up to 70 DEG C after dripping off, after keeping the temperature 30min, cool down release, is added steady
Determine filtering and discharging after agent and antioxidant, i.e. acquisition aqueous polyvinylidene dichloroethylene-acrylic ester copolymer latex.
Embodiment two
Formula:
The present embodiment in parts by weight, including following components: 80 parts of vinylidene chloride, 3 parts of 2- propylheptyl acrylate, N- hydroxyl
2 parts of ethyl acrylamide, 2 parts of VINYL ISOBUTYL ETHER, 3 parts of methyl methacrylate, 3 parts of cyclohexyl methacrylate, methyl-prop
5 parts of olefin(e) acid, 8 parts of bisphenol-A epoxide vinylester resin, 3 parts of aqueous alkide resin, 2 parts of eleostearic acid, 1- allyl ether 3- hydroxyl third
2.3 parts of alkyl sulfonic acid sodium, 1.5 parts of alkyl phenol ether ammonium sulfate, 0.75 part of polyoxyethylene sorbitan fatty acid ester, tert-butyl mistake
0.5 part of hydrogen oxide, 0.3 part of vitamin C, 0.1 part of ammonium laurate, 0.1 part of sodium ethylene diamine tetracetate, 95 parts of deionized water.It is made
Preparation Method is the same as embodiment 1
Embodiment three
Formula:
The present embodiment in parts by weight, including following components: 85 parts of vinylidene chloride, 3 parts of acrylic acid trifluoro ethyl ester, N- ethoxy
2 parts of acrylamide, 2 parts of VINYL ISOBUTYL ETHER, 1 part of methyl methacrylate, 5 parts of methacrylic acid, bisphenol-A epoxy vinyl esters
8 parts of resin, 4 parts of aqueous alkide resin, 2 parts of eleostearic acid, 2.3 parts of sodium of 1- allyl ether 3- hydroxypropanesulfonic acid, alkyl phenol ether sulphur
1.5 parts of acid ammonium salt, 0.75 part of polyoxyethylene sorbitan fatty acid ester, 0.5 part of tert-butyl hydroperoxide, vitamin C 0.3
Part, 0.1 part of ammonium laurate, 0.1 part of sodium ethylene diamine tetracetate, 95 parts of deionized water.
Preparation method is the same as embodiment 1
Example IV
Formula:
The present embodiment in parts by weight, including following components: 70 parts of vinylidene chloride, three (2- ethoxy) isocyanuric acids, three propylene
3 parts of acid esters, 2 parts of acrylic acid trifluoro ethyl ester, 2 parts of VINYL ISOBUTYL ETHER, 5 parts of methyl methacrylate, cyclohexyl methacrylate 3
Part, 5 parts of methacrylic acid, 10 parts of bisphenol-A epoxide vinylester resin, 3 parts of aqueous alkide resin, 5 parts of eleostearic acid, 1- allyl
2.3 parts of sodium of ether 3- hydroxypropanesulfonic acid, 1.5 parts of alkyl phenol ether ammonium sulfate, polyoxyethylene sorbitan fatty acid ester 0.75
Part, 0.5 part of tert-butyl hydroperoxide, 0.3 part of vitamin C, 0.1 part of ammonium laurate, 0.1 part of sodium ethylene diamine tetracetate, deionization
95 parts of water.
The preparation method is the same as that of Example 1 with aqueous vinylidene chloride-acrylate latex for anticorrosive paint
Embodiment five
Formula:
The present embodiment in parts by weight, including following components: 70 parts of vinylidene chloride, 8 parts of acrylic acid trifluoro ethyl ester, N- ethoxy
2 parts of acrylamide, 2 parts of VINYL ISOBUTYL ETHER, 5 parts of methyl methacrylate, 3 parts of cyclohexyl methacrylate, methacrylic acid 5
Part, 10 parts of bisphenol-A epoxide vinylester resin, 6 parts of aqueous alkide resin, 5 parts of eleostearic acid, 1- allyl ether 3- hydroxy propane sulphur
2.3 parts of sour sodium, 1.5 parts of alkyl phenol ether ammonium sulfate, 0.75 part of polyoxyethylene sorbitan fatty acid ester, tert-butyl hydroperoxide
0.5 part of hydrogen, 0.3 part of vitamin C, 0.1 part of ammonium laurate, 0.1 part of sodium ethylene diamine tetracetate, 95 parts of deionized water.
Preparation method is the same as embodiment 1.
Performance test process:
Latex obtained by above-described embodiment is processed into standard sample according to national standards, tests its properties.
1, GB/T 1725-79 is tested solid content according to national standards, and die size is 70 × 80mm of Φ, by load weighted sample
105 ± 2 DEG C of dry 30min, its solid content of measuring and calculation；
2, GB/T 22638.4-2008 is tested surface tension according to national standards, and test solution is placed on aluminium foil surface, examination is kept
It is not ruptured in liquid 2s, is then defined as the surface tension of test solution；
3, GB/T 10247-88 is tested viscosity according to national standards, is measured using viscosimeter to test solution；
4, pH value according to national standards GB/T 7573-2002 test, using with calomel-silver chloride electrode pH meter to test solution
Directly measured；
5, GB/T 1733-93 is tested water resistance according to national standards, sample is placed in deionized water for 24 hours, size of sample
200nm×200mm；
6, GB/T 1771-91 is tested salt fog resistance according to national standards, and sample is placed in 800h in salt-fog resistant test case, sample
Specification is 100mm × 150mm.
Following table is the performance test results data of its agglomerating latex of aqueous vinylidene chloride prepared in the above embodiments-acrylate:
It can be seen that by above-mentioned performance table, copolymer latex prepared by the present invention, the white band blue light of color, stability is good, gained glue
Cream can be directly coated at the substrate surfaces such as stiff sheet, participate in reaction by adding different aggretion type function monomers, can obtain has resistance
Every property, moisture resistance, chemical resistance film.
The above description of the embodiments is intended to facilitate those skilled in the art to understand and apply the invention.It is ripe
The personnel for knowing art technology obviously easily can make various modifications to these embodiments, and general original described herein
It ought to use in other embodiments without having to go through creative labor.Therefore, the present invention is not limited to embodiment here, abilities
Field technique personnel announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be of the invention
Within protection scope.
Claims (10)
1. a kind of anticorrosive paint aqueous polyvinylidene dichloroethylene-acrylic ester copolymer latex, it is characterised in that: by following components
It is prepared by weight: 70-85 parts of vinylidene chloride, 3-10 parts of aggretion type function monomer, 8-20 parts of acrylate monomer, double
8-12 parts of phenol A epoxy vinyl ester resin, 3-6 parts of aqueous alkide resin, 2-5 parts of unsaturated fatty acid, compound emulsifying agent 1-3
Part, 0.3-0.8 parts of initiator, 0.3-0.8 parts of reducing agent, 0.1-0.5 parts of stabilizer, 0.1-0.5 parts of antioxidant, deionized water
80-150 parts.
2. a kind of anticorrosive paint according to claim 1 aqueous polyvinylidene dichloroethylene-acrylic ester copolymer latex,
Be characterized in that: the aggretion type function monomer is 2- propylheptyl acrylate, three (2- ethoxy) isocyanuric acids, three acrylic acid
At least one in ester, N- hydroxyethyl acrylamide, VINYL ISOBUTYL ETHER, acrylic acid trifluoro ethyl ester and Hexafluorobutyl mathacrylate
Kind.
3. a kind of anticorrosive paint according to claim 1 aqueous polyvinylidene dichloroethylene-acrylic ester copolymer latex,
Be characterized in that: the acrylate monomer is cyclohexyl methacrylate, methyl acrylate, methyl methacrylate, methyl-prop
At least one of enoic acid ter-butyl ester, ethyl acrylate and methacrylic acid.
4. a kind of anticorrosive paint according to claim 1 aqueous polyvinylidene dichloroethylene-acrylic ester copolymer latex,
Be characterized in that: the unsaturated fatty acid is at least one of linolenic acid, eleostearic acid and oleic acid.
5. a kind of anticorrosive paint according to claim 1 aqueous polyvinylidene dichloroethylene-acrylic ester copolymer latex,
Be characterized in that: the compound emulsifying agent is response type surfactant active, anionic surfactant and nonionic surfactant
It is in mass ratio (2-3): (1-2): 1 mixture mixed.
6. a kind of anticorrosive paint according to claim 5 aqueous polyvinylidene dichloroethylene-acrylic ester copolymer latex,
Be characterized in that: the response type surfactant active is selected from 1- allyl ether -3- hydroxypropanesulfonic acid sodium or vinylsulfonate；Institute
It states anionic surfactant and is selected from alkyl phenol ether ammonium sulfate or lauryl sodium sulfate；Nonionic surfactant selects nonyl
Base phenol polyethylene oxide base ether or polyoxyethylene sorbitan fatty acid ester.
7. a kind of anticorrosive paint according to claim 1 aqueous polyvinylidene dichloroethylene-acrylic ester copolymer latex,
Be characterized in that: the initiator is tert-butyl hydroperoxide, isopropyl benzene hydroperoxide, dilauroyl peroxide, potassium peroxydisulfate and idol
At least one of the different heptonitrile of nitrogen two；The reducing agent is selected from at least one of vitamin C, sodium citrate and ferrous sulfate.
8. a kind of anticorrosive paint according to claim 1 aqueous polyvinylidene dichloroethylene-acrylic ester copolymer latex,
Be characterized in that: the stabilizer is alkyl sulfate or ammonium laurate；The antioxidant selects sodium ethylene diamine tetracetate or N- ring
Hexyl is to oxygroup aniline.
9. a kind of anticorrosive paint as described in claim 1 aqueous polyvinylidene dichloroethylene-acrylic ester copolymer latex system
Preparation Method, it is characterised in that: the following steps are included:
(1) preparation of pre-emulsion
It is added the 50 ~ 70% of deionized water and compound emulsifying agent total amount in a kettle, after stirring and dissolving, sequentially adds inclined dichloro
Ethylene, aggretion type function monomer, acrylate monomer, bisphenol-A epoxide vinylester resin, aqueous alkide resin and unsaturated lipid
Fat acid, is warming up to 60 ~ 70 DEG C, and quickly stirring forms pre-emulsion；
(2) preparation of copolymer latex
Addition deionized water, the 30 ~ 50% of initiator total amount and remaining compound emulsifying agent, stirring and dissolving in pressure reaction still；
Logical nitrogen is forced into 0.1 ~ 0.3MPa to seal after draining the air in reaction kettle；50 ~ 60 DEG C are then heated to, to reaction
5 ~ 10% that pre-emulsion total amount is added in kettle are used as seed emulsion, to reaction system blueing light；By reducing agent and remaining initiation
Agent is mixed into initiation-reducing agent, while initiation-reducing agent and remaining pre-emulsion is added dropwise；65-78 DEG C of heat preservation is warming up to after dripping off
30-45min, then cool down release, and be added metering stabilizer and antioxidant stirring after filtering and discharging to get aqueous polyvinylidene two
Vinyl chloride-acrylate copolymer latex.
10. preparation method according to claim 9, it is characterised in that: the initiation-reducing agent and remaining pre-emulsification hydraulic control
System is at the uniform velocity added dropwise in 6 ~ 10h, while keeping temperature is 50 DEG C ~ 60 DEG C.
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| CN113563499A (en) * | 2021-07-28 | 2021-10-29 | 浙江衢州巨塑化工有限公司 | Polyvinylidene chloride copolymer emulsion for water-based anticorrosive paint and preparation method and application thereof |
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| CN110205030A (en) * | 2019-05-29 | 2019-09-06 | 张家港市天源制漆涂装有限公司 | A kind of aqueous bottom surface unification coating and preparation method thereof |
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| CN111269347A (en) * | 2020-03-23 | 2020-06-12 | 泰安聚仁新材料有限公司 | Dichloroethylene-acrylic ester copolymer emulsion and preparation method thereof |
| CN112143017A (en) * | 2020-08-28 | 2020-12-29 | 广东安德力新材料有限公司 | Nylon layer for power battery aluminum plastic film and preparation process thereof |
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| CN113563499A (en) * | 2021-07-28 | 2021-10-29 | 浙江衢州巨塑化工有限公司 | Polyvinylidene chloride copolymer emulsion for water-based anticorrosive paint and preparation method and application thereof |
| WO2024002117A1 (en) * | 2022-06-30 | 2024-01-04 | 海洋化工研究院有限公司 | Antibacterial fluorine-modified epoxy vinyl ester resin, method for preparing same, and multi-mechanism synergistic universal anti-corrosion coating |
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