CN106397656A - Preparation and application of water-based hydrophobic modified polymethacrylate dispersing agent - Google Patents
Preparation and application of water-based hydrophobic modified polymethacrylate dispersing agent Download PDFInfo
- Publication number
- CN106397656A CN106397656A CN201610914804.1A CN201610914804A CN106397656A CN 106397656 A CN106397656 A CN 106397656A CN 201610914804 A CN201610914804 A CN 201610914804A CN 106397656 A CN106397656 A CN 106397656A
- Authority
- CN
- China
- Prior art keywords
- water
- dispersant
- hydrophobic modified
- hydrochlorate
- based hydrophobic
- Prior art date
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 239000002270 dispersing agent Substances 0.000 title claims abstract description 42
- 230000002209 hydrophobic effect Effects 0.000 title claims abstract description 41
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 229920000193 polymethacrylate Polymers 0.000 title abstract 2
- 239000011248 coating agent Substances 0.000 claims abstract description 15
- 238000000576 coating method Methods 0.000 claims abstract description 15
- 150000001875 compounds Chemical class 0.000 claims abstract description 13
- 238000006243 chemical reaction Methods 0.000 claims description 32
- CERQOIWHTDAKMF-UHFFFAOYSA-N alpha-methacrylic acid Natural products CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 21
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 16
- YSUQLAYJZDEMOT-UHFFFAOYSA-N 2-(butoxymethyl)oxirane Chemical compound CCCCOCC1CO1 YSUQLAYJZDEMOT-UHFFFAOYSA-N 0.000 claims description 15
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 13
- 239000000178 monomer Substances 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- -1 polyoxyethylene Polymers 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 9
- 239000003999 initiator Substances 0.000 claims description 7
- 238000005304 joining Methods 0.000 claims description 7
- 150000003254 radicals Chemical class 0.000 claims description 7
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 238000006386 neutralization reaction Methods 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 claims description 5
- UEEJHVSXFDXPFK-UHFFFAOYSA-O N-dimethylethanolamine Chemical compound C[NH+](C)CCO UEEJHVSXFDXPFK-UHFFFAOYSA-O 0.000 claims description 5
- 125000003118 aryl group Chemical group 0.000 claims description 5
- 239000003153 chemical reaction reagent Substances 0.000 claims description 5
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 125000003700 epoxy group Chemical group 0.000 claims description 3
- 229920002503 polyoxyethylene-polyoxypropylene Polymers 0.000 claims description 3
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 claims description 2
- JPEGUDKOYOIOOP-UHFFFAOYSA-N 2-(hexoxymethyl)oxirane Chemical compound CCCCCCOCC1CO1 JPEGUDKOYOIOOP-UHFFFAOYSA-N 0.000 claims description 2
- HRWYHCYGVIJOEC-UHFFFAOYSA-N 2-(octoxymethyl)oxirane Chemical compound CCCCCCCCOCC1CO1 HRWYHCYGVIJOEC-UHFFFAOYSA-N 0.000 claims description 2
- PMNLUUOXGOOLSP-UHFFFAOYSA-M 2-sulfanylpropanoate Chemical compound CC(S)C([O-])=O PMNLUUOXGOOLSP-UHFFFAOYSA-M 0.000 claims description 2
- DKIDEFUBRARXTE-UHFFFAOYSA-N 3-mercaptopropanoic acid Chemical compound OC(=O)CCS DKIDEFUBRARXTE-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
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 2
- CBTVGIZVANVGBH-UHFFFAOYSA-N aminomethyl propanol Chemical compound CC(C)(N)CO CBTVGIZVANVGBH-UHFFFAOYSA-N 0.000 claims description 2
- 239000007864 aqueous solution Substances 0.000 claims description 2
- XOCSLJFIGMLQLF-UHFFFAOYSA-N butyl 2-sulfanylpropanoate Chemical compound CCCCOC(=O)C(C)S XOCSLJFIGMLQLF-UHFFFAOYSA-N 0.000 claims description 2
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims description 2
- 229940043237 diethanolamine Drugs 0.000 claims description 2
- LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 claims description 2
- WNAHIZMDSQCWRP-UHFFFAOYSA-N dodecane-1-thiol Chemical compound CCCCCCCCCCCCS WNAHIZMDSQCWRP-UHFFFAOYSA-N 0.000 claims description 2
- 239000006115 industrial coating Substances 0.000 claims description 2
- 239000008235 industrial water Substances 0.000 claims description 2
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 2
- CTKINSOISVBQLD-UHFFFAOYSA-N Glycidol Chemical compound OCC1CO1 CTKINSOISVBQLD-UHFFFAOYSA-N 0.000 claims 3
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 claims 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 2
- LVTYICIALWPMFW-UHFFFAOYSA-N diisopropanolamine Chemical compound CC(O)CNCC(C)O LVTYICIALWPMFW-UHFFFAOYSA-N 0.000 claims 2
- 229940043276 diisopropanolamine Drugs 0.000 claims 2
- 239000002304 perfume Substances 0.000 claims 2
- CWNOEVURTVLUNV-UHFFFAOYSA-N 2-(propoxymethyl)oxirane Chemical compound CCCOCC1CO1 CWNOEVURTVLUNV-UHFFFAOYSA-N 0.000 claims 1
- JLBJTVDPSNHSKJ-UHFFFAOYSA-N 4-Methylstyrene Chemical compound CC1=CC=C(C=C)C=C1 JLBJTVDPSNHSKJ-UHFFFAOYSA-N 0.000 claims 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims 1
- 125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 claims 1
- 150000002978 peroxides Chemical class 0.000 claims 1
- GJBRNHKUVLOCEB-UHFFFAOYSA-N tert-butyl benzenecarboperoxoate Chemical compound CC(C)(C)OOC(=O)C1=CC=CC=C1 GJBRNHKUVLOCEB-UHFFFAOYSA-N 0.000 claims 1
- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical group CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 claims 1
- 229920002554 vinyl polymer Polymers 0.000 claims 1
- 238000010792 warming Methods 0.000 claims 1
- 239000012860 organic pigment Substances 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 13
- 238000006116 polymerization reaction Methods 0.000 abstract description 10
- 239000001023 inorganic pigment Substances 0.000 abstract description 6
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 abstract description 4
- 229920000642 polymer Polymers 0.000 abstract description 4
- 239000000843 powder Substances 0.000 abstract description 3
- 125000001165 hydrophobic group Chemical group 0.000 abstract 1
- 239000006185 dispersion Substances 0.000 description 21
- 239000000049 pigment Substances 0.000 description 21
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 238000005352 clarification Methods 0.000 description 9
- 239000003973 paint Substances 0.000 description 9
- 239000003643 water by type Substances 0.000 description 9
- 238000004817 gas chromatography Methods 0.000 description 8
- 239000002904 solvent Substances 0.000 description 8
- 238000001514 detection method Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 238000009736 wetting Methods 0.000 description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 6
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 6
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 5
- UEEJHVSXFDXPFK-UHFFFAOYSA-N N-dimethylaminoethanol Chemical compound CN(C)CCO UEEJHVSXFDXPFK-UHFFFAOYSA-N 0.000 description 5
- 229920002319 Poly(methyl acrylate) Polymers 0.000 description 5
- 238000010790 dilution Methods 0.000 description 5
- 239000012895 dilution Substances 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- 238000009413 insulation Methods 0.000 description 5
- 229920000058 polyacrylate Polymers 0.000 description 5
- 239000000376 reactant Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 4
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 4
- 239000003607 modifier Substances 0.000 description 4
- 230000006641 stabilisation Effects 0.000 description 4
- 238000011105 stabilization Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000004342 Benzoyl peroxide Substances 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- HSRJKNPTNIJEKV-UHFFFAOYSA-N Guaifenesin Chemical compound COC1=CC=CC=C1OCC(O)CO HSRJKNPTNIJEKV-UHFFFAOYSA-N 0.000 description 2
- 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 2
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- 229920002125 Sokalan® Polymers 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 235000019400 benzoyl peroxide Nutrition 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical compound C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 125000005395 methacrylic acid group Chemical class 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000004584 polyacrylic acid Substances 0.000 description 2
- 229920001223 polyethylene glycol Polymers 0.000 description 2
- 230000003252 repetitive effect Effects 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- KXYAVSFOJVUIHT-UHFFFAOYSA-N 2-vinylnaphthalene Chemical compound C1=CC=CC2=CC(C=C)=CC=C21 KXYAVSFOJVUIHT-UHFFFAOYSA-N 0.000 description 1
- YNJSNEKCXVFDKW-UHFFFAOYSA-N 3-(5-amino-1h-indol-3-yl)-2-azaniumylpropanoate Chemical compound C1=C(N)C=C2C(CC(N)C(O)=O)=CNC2=C1 YNJSNEKCXVFDKW-UHFFFAOYSA-N 0.000 description 1
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 1
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- WUGQZFFCHPXWKQ-UHFFFAOYSA-N Propanolamine Chemical compound NCCCO WUGQZFFCHPXWKQ-UHFFFAOYSA-N 0.000 description 1
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 1
- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical compound C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 description 1
- 229920006243 acrylic copolymer Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- IRERQBUNZFJFGC-UHFFFAOYSA-L azure blue Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[S-]S[S-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-] IRERQBUNZFJFGC-UHFFFAOYSA-L 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- XCJYREBRNVKWGJ-UHFFFAOYSA-N copper(II) phthalocyanine Chemical compound [Cu+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 XCJYREBRNVKWGJ-UHFFFAOYSA-N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000013530 defoamer Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 150000002118 epoxides Chemical class 0.000 description 1
- 229940031098 ethanolamine Drugs 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000005338 heat storage Methods 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
- 239000011256 inorganic filler Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000011164 primary particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007614 solvation Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000003019 stabilising effect Effects 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000000080 wetting agent Substances 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
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/04—Acids; Metal salts or ammonium salts thereof
- C08F220/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
-
- 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
- C08F2/00—Processes of polymerisation
- C08F2/38—Polymerisation using regulators, e.g. chain terminating agents, e.g. telomerisation
-
- 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
- C08F212/00—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 an aromatic carbocyclic ring
- C08F212/02—Monomers containing only one unsaturated aliphatic radical
- C08F212/04—Monomers containing only one unsaturated aliphatic radical containing one ring
- C08F212/06—Hydrocarbons
- C08F212/08—Styrene
-
- 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
- C08F283/06—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polyethers, polyoxymethylenes or polyacetals
-
- 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
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
-
- 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
- C09D7/65—Additives macromolecular
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The invention provides preparation and an application of a water-based solvent-free hydrophobic modified polymethacrylate dispersing agent. A hydrophobic compound with reactable carboxyl is used as a polymerization carrier, a polymer hydrophobic group after a polymerization reaction ends, and the solvent-free hydrophobic modified dispersing agent is generated. The hydrophobic modified dispersing agent has a better dispersing effect on inorganic and organic pigments and powder as well as outstanding color contrast properties and water tolerance, is particularly applicable to coating and ink systems and can obtain outstanding water tolerance and water mark resistant effects.
Description
Technical field
The present invention relates to a kind of preparation of solvent-free water-based hydrophobic modified high-molecular dispersant and application, more particularly, to one
Plant and there is high dispersive efficiency and the pigment for coating and ink system of resistance to water and the poly- (first of water-based hydrophobic modification of filler
Base) acrylate polymer dispersant.
Background technology
In the application of water paint and water color ink, aqueous pigment dispersions, also referred to as aqueous color paste have attractive in appearance
With embody very important effect in required performance.And acting on of aqueous dispersant is prepared in aqueous color paste, especially
The crucial effect of comparison is all played in the application of water paint and water color ink.
Dispersant is also referred to as wetting dispersing agent, is widely used in the wetting and dispersing effect of pigment and filler, thus breaking face
Material and the cohesion of filler itself, coarse granule dispersion are formed the uniform fine grained with application effect, and can keep
Enough stability.The surface of pigments in the fine particle pulverized can be adsorbed in active group one end that generally it has, another
End has solvation thus forming the adsorption layer playing stabilization, makes to produce repulsion (charge repulsion between pigment particles
Or steric hindrance repulsion), it is to avoid flocculate again, thus ensureing that the colour paste system generating has reasonable storage stability and good
Good peptizaiton is so that scattered pigment particles have the high gloss of comparison and excellent exhibition in the application in later stage
Color acts on, and is especially embodied in the application in coating and ink system.
The pigment dispersion of water-based system, is generally divided into wetting, dispersion, stablizes three phases.Wetting refers to that playing wetting makees
Resin replaces the air of surface of pigments, forms dispersion resin and face when being become the interface of liquid/solid by empty gas/solid critical transition
The surface of material forms certain combination；Dispersion refers to, using mechanical strength, secondary agglomeration particle agglomerated together is smashed shape
Become the small particles close to primary particle, form suspended particles in water for the pigment；Stably refer to the aqueous suspended particles being formed
Can stable being suspended in water-based system under conditions of no external force, be not in flocculate again.For for coating and oil
The aqueous color paste of ink, the stability of the size of scattered particle and the dispersion of pigment being formed is most important.
Low molecular weight sodium polyacrylate has been widely used in inorganic pigment and the wetting and dispersing system of powder, has
Relatively higher peptizaiton and stability, it is mainly the stability keeping dispersion by the repulsion of electric charge.But by
Stronger in the Sodium Polyacrylate water solubility of low-molecular-weight, the mill base of prepared aqueous dispersion is applied in coating and ink
When, because Sodium Polyacrylate does not have interaction force with the film-forming resin in coating and ink, often cause coating and ink
Water resistance poor, meet water occur that Sodium Polyacrylate oozes out, from paint film, the infringement causing paint film, or cause paint film occur
The defects such as gloss decline, floating.And for most organic pigment, the surface polarity of organic pigment less so that polypropylene
The wetting action on organic pigment surface for the sour sodium is bad, and organic pigment surface cannot be formed with Sodium Polyacrylate compare steady
Fixed surface " grappling " effect, leads to dispersion effect poor.So in the dispersion process of organic pigment, if it is desired that with modified
Dispersant, generally dispersant is carried out with hydrophobically modified, changes the polarity of dispersant, or introduce parent in the molecule of dispersant
The group of organic pigment is improving the peptizaiton to organic pigment.
For modified dispersant, generally require using hydrophobic polymerized monomer, but these hydrophobic polymerizations are single
Body is insoluble in water or is slightly soluble in preparing it is impossible to directly carry out polymerization as polyacrylic acid in water of water.Generally require
Dissolve the viscosity in hydrophobic monomer and reduction course of reaction using substantial amounts of solvent, so can introduce more solvents,
Cause the pollution to environment.Patent US6683121 discloses prepares a kind of styrene, the dilute modified polyacrylic acid of Alpha-Methyl benzene second
Copolymer, the block copolymer collocation then with containing polyoxyethylene polyoxypropylene ether is as the dispersant of pigment；In aqueous oil
In the application of ink, prepared dispersant has the high gloss of comparison and reasonable color developing.Prepared changing in this invention
Property acrylic copolymer molecular weight be 4000-16000, there is the Tg higher than 70 DEG C.Although the hydrophobically modified of gained
Sodium Polyacrylate can all obtain good dispersion effect to organic pigment and inorganic pigment, but prepares modified polyacrylate sodium
Or during need to carry out in special reactor at high temperature under high pressure, so cause produce difficulty and high cost；
Need to be reacted at high temperature using solvent, the solvent so introducing can form VOC (" organic volatilizable compound "),
Cause the harm to environment and workmen；And the temperature of polymerization process reaches 180 DEG C, higher than the boiling of the monomer used by polymerization
Point, can cause to compare large effect to the security producing.Therefore, exploitation one kind does not contain solvent and can be to organic and no
The dispersant that machine pigment all has reasonable peptizaiton is to have important meaning to the development of this area.
Content of the invention
In view of the drawbacks described above of prior art, the technical problem to be solved is to provide a kind of solvent-free body
It is, do not contribute VOC, and there are the water-based hydrophobic modifiers dispersants to the preferable peptizaiton of inorganic and organic pigment.
For achieving the above object, on the one hand, the invention provides a kind of solvent-free water-based hydrophobic modifiers dispersants, by making
With containing the compound (hydrophobic compound) of group that can be reacted with carboxyl as polymerisation carrier, this carrier was both
The too high impact of system viscosity in polymerization process can be overcome, again can polymerization process and polymerization after the completion of can be with polymer chain
On carboxylic group reacted, thus forming a part for solventless polymer.The height of the hydrophobically modified that the present invention is generated
Dispersal agent molecule drastically increases the resistance to water of pigment dispersion, and has the comparison with low polar pigments such as organic pigments
Good interaction, improves dispersion and stabilization.This solvent-free water-based hydrophobic modifiers dispersants is used for water paint and water
Property ink system can preferably improve its stability and resistance to water, especially coating application in, can greatly improve paint
The washmarking defect of film.
Specifically, solvent-free water-based hydrophobic modified high-molecular dispersant of the present invention is modified the gathering of hydrophobic grouping
(methyl) acrylate polymer dispersant, wherein said hydrophobic grouping includes component (A) and component (B) two parts, component
(A) be the aromatic group containing double bond hydrophobic monomer, it carries out being copolymerized to being polymerized with (methyl) acrylic acid as comonomer
Owner's chain；Component (B) be containing can with (methyl) acrylic acid on the compound of group that reacted of carboxyl, after its polymerization with
(methyl) acrylic acid carries out reactive grafting to the main chain of polymer.
Preferably, the hydrophobic monomer component (A) of the described aromatic group containing double bond is selected from styrene, 4- methylbenzene second
One or more of alkene, 2- vinyl naphthalene, AMS.Described containing can enter with the carboxyl on (methyl) acrylic acid
The compound component (B) of the group of row reaction is the compound containing single terminal epoxy groups, is preferably selected from propyl group shrink sweet
Oily ether, butyl glycidyl ether, tertiary butyl glycidyl ether, hexyl glycidyl ether, octyl glycidyl ether, lauryl alcohol shrink
Glycerin ether, polyoxyethylene monoglycidyl ether (APEO segment contains 3-50 repetitive), polyoxypropylene list shrink
One of glycerin ether (APEO segment contains 3-20 repetitive), polyoxyethylene polyoxypropylene monoglycidyl ether
Or it is several.
In the specific embodiment of the present invention, based on polymeric dispersant weight, hydrophobic monomer component (A) is in poly- (first
Base) content in acrylate polymer is 10-50wt%, preferably 10-40wt%, more preferably 20-40wt%.In the present invention
In, the consumption that hydrophobic monomer component (A) is less than 10wt% can lead to scattered dispersible pigment color paste bad stability, easily occurs returning
Thick phenomenon；Consumption higher than 60wt% can lead to dispersion efficiency step-down.Component (B) is in poly- (methyl) acrylate polymer
Content is 8-30wt%, preferably 8-25wt%, more preferably 8-20wt%.(methyl) acrylic acid is polymerized in poly- (methyl) acrylates
Content in thing is 20-82wt%, preferably 20-60wt%, more preferably 30-60wt%.
In the better embodiment of the present invention, by weight, described solvent-free water-based hydrophobic modifiers dispersants comprise 10-
The hydrophobic monomer component (A) of the aromatic group containing double bond of 50wt%, 8-30wt% contain can be with carboxylic on (methyl) acrylic acid
The compound component (B) of the group that base is reacted, 20-82wt% (methyl) acrylic acid.
On the other hand, present invention also offers a kind of modified poly- (methyl) acrylate polymer of hydrophobic grouping of preparing divides
The method of powder, specifically includes：
1) a certain proportion of component (A), (methyl) acrylic acid and chain-transferring agent are mixed；
2) add a certain amount of component (B) in reactor, be then heated to 80-110 DEG C；
3) start to drip component (A)/(methyl) the acrylic acid mixed liquor mixing in above-claimed cpd, simultaneously plus
Enter a certain amount of radical initiator, the joining day is 2-6 hour；
4), after completion of dropwise addition, it is incubated 2 hours, is then slowly added into the aqueous solution of neutralization reagent, during addition, temperature is maintained at
More than 80 DEG C, it is adjusted to suitable pH and solids content；
5) and then be warmed up to 90-95 DEG C, add the N of 0.1-1%, N- dimethylethanolamine, continue reaction to infrared detection
Component (B) is reacted completely, is cooled to room temperature, adds appropriate deionized water to be diluted, is filtrated to get required hydrophobically modified
Poly- (methyl) acrylates dispersant.
Preferably, the initiator that the preparation method of the present invention is used is oil-soluble radical initiator, by dispersant
Gross weight meter, the consumption of radical initiator is 0.5-8wt%.It is highly preferred that radical initiator is selected from t-butyl peroxy
Change hydrogen, benzoyl peroxide, dilauroyl peroxide, azodiisobutyronitrile, the peroxidating isooctyl acid tert-butyl ester, perbenzoic acid
One or more of tert-butyl ester.
In another better embodiment of the present invention, prepare modified poly- (methyl) acrylate polymer of hydrophobic grouping
Also using chain-transferring agent during dispersant, control the molecule generating product by chain-transferring agent and radical initiator
Amount；The molecular weight of modified poly- (methyl) acrylate polymer of the hydrophobic grouping of the present invention is 1500-6000；Preferably 1500-
5000；More preferably 1500-4500.In the present invention, those skilled in the art can gather poly- (methyl) acrylates according to demand
The molecular weight of compound dispersant is determining the consumption of chain-transferring agent.Preferably, the chain-transferring agent being used be selected from mercapto propionic acid,
One of mercapto-propionate, mercaptopropionic acid butyl ester, lauryl mercaptan or several.
Preparing in modified poly- (methyl) the acrylate polymer method of hydrophobic grouping in the present invention, used neutralization examination
Agent is preferably selected from ammoniacal liquor, monoethanolamine, diethanol amine, triethanolamine, AMP-95, triethylamine, N, N- dimethylethanolamine, two different
In Propanolamine, NaOH, potassium hydroxide one or several.Preferably, using neutralization reagent ammoniacal liquor, monoethanolamine, three ethanol
Amine, N, N- dimethylethanolamine regulation pH value to 6.0-8.0.
On the other hand, present invention also offers a kind of by poly- (methyl) acrylate polymer modified for described hydrophobic grouping
Application in coating for the dispersant, the especially application in the coating such as aqueous building coating, industrial coating and water color ink.
Technique effect
The macromolecule dispersing agent of the hydrophobically modified of the present invention has the preferable peptizaiton to inorganic and organic pigment, greatly
Improve the resistance to water of pigment dispersion, and there is the reasonable interaction with low polar pigments such as organic pigments, carry
High dispersive and stabilization.It is used for water paint and water color ink system can improve reasonable stability and resistance to water,
Especially in coating application, can greatly improve the washmarking defect of paint film.Specifically, the hydrophobically modified dispersant of the present invention
Multiple inorganic pigments and filler such as titanium dioxide, iron oxide red, iron oxide yellow, ultramarine, lithopone, calcium carbonate can be had reasonable dispersion and
Storage stability；Simultaneously for example organic to relatively difficult scattered carbon black and organic pigment red, phthalocyanine blue, organic yellow etc. have reasonable
Dispersion and stabilization, and there is reasonable color developing and high glaze；Aqueous building coating, industry can be widely used in
The field such as coating and water color ink.The hydrophobically modified dispersant of the present invention can shorten the milling time of pigment, stabilising dispersions
System, prevents from flocculating and precipitates, and reduces the loose colour in pigments system and tendency of growing dim.If employed containing polyoxy in preparation process
Vinethene or the epoxide of polyethenoxy ether, can greatly improve the stability of heat storage.
Technique effect below with reference to design, concrete structure and generation to the present invention for the specific embodiment is made furtherly
Bright, it is fully understood from the purpose of the present invention, feature and effect to help those skilled in the art.But the present invention is not limited to these
Example.
Specific embodiment
Used in each embodiment in the present invention, raw material is all commercial goods, specific as follows：
Embodiment 1：
Nitrogen protection under, in 2 liters of reaction bulb add 120 grams of butyl glycidyl ethers, be heated to 85 DEG C, then start to
Drip the mixed liquor being made up of 180 grams of styrene, 300 grams of acrylic acid and 12 grams of MPA in reaction bulb, drip 28 to reaction bulb simultaneously
Gram TBPEH.Time for adding is 2.5 hours, maintains reaction temperature at 85-90 DEG C.After completion of dropwise addition, insulation is little in 85-90 degree 2
When.Then cool to 80 degree, slowly in reaction bulb dropping 220 gram 25% ammonia solvent 650 grams of deionized waters solution,
Joining day is 30 minutes.During dropping, reactant liquor is become cloudy by clarification, then becomes clarification again.Then it is warmed up to 95 degree, to
Add 1.5 grams of N, N- dimethylethanolamine in reaction bulb, stir at this temperature 4 hours, then use gas-chromatography (GC) to detect
The content of butyl glycidyl ether, afterwards every detection in 1 hour once until butyl glycidyl ether reacts completely.It is cooled to room
Temperature, adds the dilution of 100 grams of deionized waters, filtration to colourless to lurid transparency liquid.Solids content is 38%, and pH value is
7.2.
Embodiment 2：
Nitrogen protection under, in 2 liters of reaction bulb add 180 grams of butyl glycidyl ethers, be heated to 85 DEG C, then start to
Drip the mixed liquor being made up of 60 grams of styrene, 360 grams of methacrylic acids and 15 grams of MMP in reaction bulb, drip to reaction bulb simultaneously
Plus 28 grams of TBPEH.Time for adding is 2.5 hours, maintains reaction temperature at 85-90 DEG C.After completion of dropwise addition, insulation is in 85-90 degree 2
Hour.Then 80 degree are cooled to, slowly the ammonia solvent of 250 gram 25% of dropping is molten in 620 grams of deionized waters in reaction bulb
Liquid, the joining day is 30 minutes.During dropping, reactant liquor is become cloudy by clarification, then becomes clarification again.Then it is warmed up to 95
Degree, adds 1.5 grams of N, N- dimethylethanolamine in reaction bulb, stirs at this temperature 4 hours, then uses gas-chromatography (GC)
The content of detection butyl glycidyl ether, afterwards every detection in 1 hour once until reacting completely.It is cooled to room temperature, add 100
The dilution of gram deionized water, filtration to the colourless liquid to light yellow clear.Solids content is 38.2%, and pH value is 7.8.
Embodiment 3：
Under nitrogen protection, in 2 liters of reaction bulb, add 80 grams of butyl glycidyl ethers, 100 grams of polyethylene glycol (Mw=800)
Monoglycidyl ether, is heated to 85 DEG C, then starts to drip in reaction bulb by 120 grams of styrene, 300 grams of acrylic acid and 15 grams
The mixed liquor of MPA composition, drips 28 grams of TBPEH to reaction bulb simultaneously.Time for adding is 2.5 hours, maintains reaction temperature in 85-
90℃.After completion of dropwise addition, insulation was in 85-90 degree 2 hours.Then cool to 80 degree, slowly in reaction bulb, drip 230 gram 25%
Ammonia solvent 640 grams of deionized waters solution, the joining day be 30 minutes.During dropping, reactant liquor is muddy by clarifying change
Turbid, then become clarification again.Then it is warmed up to 95 degree, 1.5 grams of N of addition in reaction bulb, N- dimethylethanolamine, at this temperature
Using infrared (FTIR), stirring 4 hours, detects that butyl glycidyl ether and polyethylene glycol (Mw=800) monoglycidyl ether contain
Amount, afterwards every detection in 1 hour once until reacting completely.It is cooled to room temperature, add 100 grams of deionized water dilutions, filtration
To colourless to lurid transparency liquid.Solids content is 38%, and pH value is 7.5.
Embodiment 4：
Nitrogen protection under, in 2 liters of reaction bulb add 60 grams of butyl glycidyl ethers, be heated to 85 DEG C, then start to
Drip the mixed liquor being made up of 300 grams of styrene, 240 grams of acrylic acid and 15 grams of MPA in reaction bulb, drip 28 to reaction bulb simultaneously
Gram TBPEH.Time for adding is 2.5 hours, maintains reaction temperature at 85-90 DEG C.After completion of dropwise addition, insulation is little in 85-90 degree 2
When.Then cool to 80 degree, in reaction bulb, slowly drip 290 grams of N, N- dimethylethanolamine is dissolved in 600 grams of deionized waters
Solution, the joining day be 30 minutes.During dropping, reactant liquor is become cloudy by clarification, then becomes clarification again.Then it is warmed up to
95 degree, stir at this temperature 4 hours, then use gas-chromatography (GC) to detect the content of butyl glycidyl ether, afterwards every 1
Hour detection is once until react completely.Be cooled to room temperature, add 100 grams of deionized waters dilutions, filtration to colourless to pale yellow
The transparency liquid of color.Solids content is 39%, and pH value is 8.0.
Embodiment 5：
Nitrogen protection under, in 2 liters of reaction bulb add 60 grams of butyl glycidyl ethers, be heated to 85 DEG C, then start to
The mixed liquor being made up of 180 grams of styrene, 200 grams of acrylic acid, 100 grams of methacrylic acids and 18 grams of n-DDM is dripped in reaction bulb,
Drip 30 grams of BPO to reaction bulb simultaneously and be dissolved in the solution in 60 grams of butyl glycidyl ethers.Time for adding is 4.5 hours, dimension
Hold reaction temperature at 85-90 DEG C.After completion of dropwise addition, insulation was in 85-90 degree 2 hours.Then 80 degree are cooled to, slowly to reaction bulb
240 grams of N of middle dropping, N- dimethylethanolamine is dissolved in the solution of 600 grams of deionized waters, and the joining day is 30 minutes.Dripped
Cheng Zhong, reactant liquor is become cloudy by clarification, then becomes clarification again.Then it is warmed up to 95 degree, at this temperature stirring 4 hours, then
Detect the content of butyl glycidyl ether with gas-chromatography (GC), afterwards every detection in 1 hour once until reacting completely.Cooling
To room temperature, add 100 grams of deionized waters dilutions, filtration to colourless to lurid transparency liquid.Solids content is 40%, pH
It is worth for 6.5.
Embodiment 6-10 and comparative example 1-2：
The preparation of pigment dispersion：
*For 1 gram of wetting agent 104E, the mixed liquor of 810,997.5 grams of deionized waters of 1.5 grams of defoamer Tego.
The storage stability test of pigment dispersion：
Test condition：Store 10 days at 50 DEG C
Can see, using the dispersant prepared by the present invention, there is reasonable storage stability by upper table.
Embodiment 11-13 and the contrast of comparative example 3-4 color developing：
The preferred embodiment of the present invention described in detail above.It should be appreciated that the ordinary skill of this area need not be created
The property made work just can make many modifications and variations according to the design of the present invention.Therefore, all technical staff in the art
Pass through the available technology of logical analysis, reasoning, or a limited experiment under this invention's idea on the basis of existing technology
Scheme, all should be in the protection domain being defined in the patent claims.
Claims (10)
1. a kind of water-based hydrophobic modified polymethyl hydrochlorate dispersant, by weight, including：10-50wt%'s contains double bond
Compound B, 20-82wt% containing single terminal epoxy groups of hydrophobic monomer A, 8-30wt% of aromatic group (methyl)
Acrylic acid；
The hydrophobic monomer A of the wherein said aromatic group containing double bond is selected from styrene, 4- methyl styrene, 2- vinyl
One or more of naphthalene, AMS；
The described compound B containing single terminal epoxy groups is selected from propyl glycidyl ether, butyl glycidyl ether, the tert-butyl group
Glycidol ether, hexyl glycidyl ether, octyl glycidyl ether, lauryl alcohol glycidol ether, polyoxyethylene list glycidol
One of ether, polyoxypropylene monoglycidyl ether, polyoxyethylene polyoxypropylene monoglycidyl ether or several.
2. water-based hydrophobic modified polymethyl hydrochlorate dispersant as claimed in claim 1, the wherein said virtue containing double bond
The content of the hydrophobic monomer A of perfume base group is 10-40wt%.
3. water-based hydrophobic modified polymethyl hydrochlorate dispersant as claimed in claim 2, the wherein said virtue containing double bond
The content of the hydrophobic monomer A of perfume base group is 20-40wt%.
4. water-based hydrophobic modified polymethyl hydrochlorate dispersant as claimed in claim 1, wherein said containing single-ended basic ring
The content of the compound B of oxygen groups is 8-25wt%.
5. water-based hydrophobic modified polymethyl hydrochlorate dispersant as claimed in claim 4, wherein said containing single-ended basic ring
The content of the compound B of oxygen groups is 8-20wt%.
6. a kind of method preparing described water-based hydrophobic modified polymethyl hydrochlorate dispersant as arbitrary in claim 1-5, bag
Include：
1) described component A, (methyl) acrylic acid and chain-transferring agent are mixed；
2) component B is heated to 80-110 DEG C；
3) start to drip the mixed liquor of component A/ (methyl) acrylic acid/chain-transferring agent in component B, be simultaneously introduced free radical and cause
Agent, the joining day is 2-6 hour；
4), after completion of dropwise addition, it is incubated 2 hours, is then slowly added into the aqueous solution of neutralization reagent, during addition, temperature is maintained at 80 DEG C
More than, adjust pH and solids content；
5) it is warming up to 90-95 DEG C, adds the N of 0.1-1%, N- dimethylethanolamine terminates to reaction, is cooled to room temperature, addition is gone
Ionized water is diluted, and is filtrated to get required water-based hydrophobic modified polymethyl hydrochlorate dispersant.
7. wherein, described radical initiator is selected from TBHP, peroxide to preparation method as claimed in claim 6
Change benzoyl, dilauroyl peroxide, azodiisobutyronitrile, the peroxidating isooctyl acid tert-butyl ester, peroxidized t-butyl perbenzoate its
One or more of, consumption is 0.5-8wt%.
8. preparation method as claimed in claim 6, wherein, described chain-transferring agent be selected from mercapto propionic acid, mercapto-propionate,
One of mercaptopropionic acid butyl ester, lauryl mercaptan or several.
9. preparation method as claimed in claim 6, wherein, described neutralization reagent be selected from ammoniacal liquor, monoethanolamine, diethanol amine,
Triethanolamine, AMP-95, triethylamine, N, in N- dimethylethanolamine, diisopropanolamine (DIPA), NaOH, potassium hydroxide a kind of or
Person is several；PH to 6.0-8.5 is adjusted using described neutralization reagent in step 4.
10. described water-based hydrophobic modified polymethyl hydrochlorate dispersant as arbitrary in claim 1-5 aqueous building coating,
Application in industrial coating or water color ink.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106947396A (en) * | 2017-03-23 | 2017-07-14 | 河南省联合磨料磨具有限公司 | Lapping liquid suspension system, lapping liquid and preparation method thereof |
| CN113429518A (en) * | 2021-06-25 | 2021-09-24 | 万华化学集团股份有限公司 | Cyclodextrin modified polymer and preparation method and application thereof |
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| CN101575397A (en) * | 2009-06-02 | 2009-11-11 | 中山大学 | Method for preparing water-soluble solid styrene/acrylic resin and application thereof |
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| CN1473889A (en) * | 1996-09-13 | 2004-02-11 | 大日本油墨化学工业株式会社 | Method for producing inkjet ink |
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| CN113429518A (en) * | 2021-06-25 | 2021-09-24 | 万华化学集团股份有限公司 | Cyclodextrin modified polymer and preparation method and application thereof |
| CN113429518B (en) * | 2021-06-25 | 2022-07-12 | 万华化学集团股份有限公司 | Cyclodextrin modified polymer and preparation method and application thereof |
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