JP5252164B2 - Polymer-coated pigment and method for producing the same - Google Patents
Polymer-coated pigment and method for producing the same Download PDFInfo
- Publication number
- JP5252164B2 JP5252164B2 JP2006267283A JP2006267283A JP5252164B2 JP 5252164 B2 JP5252164 B2 JP 5252164B2 JP 2006267283 A JP2006267283 A JP 2006267283A JP 2006267283 A JP2006267283 A JP 2006267283A JP 5252164 B2 JP5252164 B2 JP 5252164B2
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- Prior art keywords
- polymerizable unsaturated
- meth
- pigment
- group
- polymer
- Prior art date
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- 239000000049 pigment Substances 0.000 title claims description 188
- 229920000642 polymer Polymers 0.000 title claims description 86
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 239000000178 monomer Substances 0.000 claims description 91
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 73
- -1 ester compound Chemical class 0.000 claims description 55
- 239000003125 aqueous solvent Substances 0.000 claims description 47
- 238000006116 polymerization reaction Methods 0.000 claims description 32
- 125000000217 alkyl group Chemical group 0.000 claims description 28
- 239000002904 solvent Substances 0.000 claims description 22
- 239000002253 acid Substances 0.000 claims description 21
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 15
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 14
- 229920001577 copolymer Polymers 0.000 claims description 14
- 229920002554 vinyl polymer Polymers 0.000 claims description 14
- 125000004432 carbon atom Chemical group C* 0.000 claims description 10
- 229910019142 PO4 Inorganic materials 0.000 claims description 9
- 125000003700 epoxy group Chemical group 0.000 claims description 8
- 230000000379 polymerizing effect Effects 0.000 claims description 8
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 7
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 7
- 150000002148 esters Chemical class 0.000 claims description 6
- 239000004215 Carbon black (E152) Substances 0.000 claims description 5
- 125000000524 functional group Chemical group 0.000 claims description 5
- 229930195733 hydrocarbon Natural products 0.000 claims description 5
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 claims description 4
- 230000002378 acidificating effect Effects 0.000 claims description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 3
- 125000004985 dialkyl amino alkyl group Chemical group 0.000 claims description 3
- 125000004437 phosphorous atom Chemical group 0.000 claims description 3
- 229910052698 phosphorus Inorganic materials 0.000 claims description 3
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 claims description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims 6
- 239000010452 phosphate Substances 0.000 claims 6
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 claims 4
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 claims 2
- 125000005370 alkoxysilyl group Chemical group 0.000 claims 2
- 238000000034 method Methods 0.000 description 34
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 25
- 239000000976 ink Substances 0.000 description 25
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 16
- 239000000843 powder Substances 0.000 description 15
- 239000006185 dispersion Substances 0.000 description 13
- 239000003505 polymerization initiator Substances 0.000 description 13
- 150000001875 compounds Chemical class 0.000 description 12
- 239000002270 dispersing agent Substances 0.000 description 11
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 11
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 9
- 239000011324 bead Substances 0.000 description 9
- 239000003960 organic solvent Substances 0.000 description 9
- AVTLBBWTUPQRAY-UHFFFAOYSA-N 2-(2-cyanobutan-2-yldiazenyl)-2-methylbutanenitrile Chemical compound CCC(C)(C#N)N=NC(C)(CC)C#N AVTLBBWTUPQRAY-UHFFFAOYSA-N 0.000 description 8
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 8
- 239000003973 paint Substances 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 7
- 238000001914 filtration Methods 0.000 description 7
- 238000011065 in-situ storage Methods 0.000 description 7
- 238000002156 mixing Methods 0.000 description 7
- 238000011282 treatment Methods 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 6
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 6
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 6
- 229910001873 dinitrogen Inorganic materials 0.000 description 6
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 description 6
- 239000001056 green pigment Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000012860 organic pigment Substances 0.000 description 6
- 238000010992 reflux Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 5
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 5
- 125000003277 amino group Chemical group 0.000 description 5
- 239000012736 aqueous medium Substances 0.000 description 5
- 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 5
- 150000001991 dicarboxylic acids Chemical class 0.000 description 5
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 description 5
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 5
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 5
- 239000011976 maleic acid Substances 0.000 description 5
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 5
- 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 description 4
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 4
- 239000004480 active ingredient Substances 0.000 description 4
- GCAIEATUVJFSMC-UHFFFAOYSA-N benzene-1,2,3,4-tetracarboxylic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C(C(O)=O)=C1C(O)=O GCAIEATUVJFSMC-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000001055 blue pigment Substances 0.000 description 4
- 150000001735 carboxylic acids Chemical class 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 4
- 229920000647 polyepoxide Polymers 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000003381 stabilizer Substances 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 3
- ZWAPMFBHEQZLGK-UHFFFAOYSA-N 5-(dimethylamino)-2-methylidenepentanamide Chemical compound CN(C)CCCC(=C)C(N)=O ZWAPMFBHEQZLGK-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 3
- 239000002202 Polyethylene glycol Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 150000008065 acid anhydrides Chemical class 0.000 description 3
- 150000001298 alcohols Chemical class 0.000 description 3
- 125000001931 aliphatic group Chemical group 0.000 description 3
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 3
- 238000004040 coloring Methods 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 229940050411 fumarate Drugs 0.000 description 3
- 239000001530 fumaric acid Substances 0.000 description 3
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- 235000021317 phosphate Nutrition 0.000 description 3
- AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical class [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 description 3
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920001485 poly(butyl acrylate) polymer Polymers 0.000 description 3
- 229920001223 polyethylene glycol Polymers 0.000 description 3
- 238000010298 pulverizing process Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000004094 surface-active agent Substances 0.000 description 3
- 239000001052 yellow pigment Substances 0.000 description 3
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 2
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- KUBDPQJOLOUJRM-UHFFFAOYSA-N 2-(chloromethyl)oxirane;4-[2-(4-hydroxyphenyl)propan-2-yl]phenol Chemical compound ClCC1CO1.C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 KUBDPQJOLOUJRM-UHFFFAOYSA-N 0.000 description 2
- JKNCOURZONDCGV-UHFFFAOYSA-N 2-(dimethylamino)ethyl 2-methylprop-2-enoate Chemical compound CN(C)CCOC(=O)C(C)=C JKNCOURZONDCGV-UHFFFAOYSA-N 0.000 description 2
- WDQMWEYDKDCEHT-UHFFFAOYSA-N 2-ethylhexyl 2-methylprop-2-enoate Chemical compound CCCCC(CC)COC(=O)C(C)=C WDQMWEYDKDCEHT-UHFFFAOYSA-N 0.000 description 2
- RCEJCSULJQNRQQ-UHFFFAOYSA-N 2-methylbutanenitrile Chemical compound CCC(C)C#N RCEJCSULJQNRQQ-UHFFFAOYSA-N 0.000 description 2
- CNPVJWYWYZMPDS-UHFFFAOYSA-N 2-methyldecane Chemical compound CCCCCCCCC(C)C CNPVJWYWYZMPDS-UHFFFAOYSA-N 0.000 description 2
- WZHHYIOUKQNLQM-UHFFFAOYSA-N 3,4,5,6-tetrachlorophthalic acid Chemical compound OC(=O)C1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1C(O)=O WZHHYIOUKQNLQM-UHFFFAOYSA-N 0.000 description 2
- QOXOZONBQWIKDA-UHFFFAOYSA-N 3-hydroxypropyl Chemical group [CH2]CCO QOXOZONBQWIKDA-UHFFFAOYSA-N 0.000 description 2
- DBCAQXHNJOFNGC-UHFFFAOYSA-N 4-bromo-1,1,1-trifluorobutane Chemical compound FC(F)(F)CCCBr DBCAQXHNJOFNGC-UHFFFAOYSA-N 0.000 description 2
- SXIFAEWFOJETOA-UHFFFAOYSA-N 4-hydroxy-butyl Chemical group [CH2]CCCO SXIFAEWFOJETOA-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 239000006087 Silane Coupling Agent Substances 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 2
- 125000002947 alkylene group Chemical group 0.000 description 2
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- UJMDYLWCYJJYMO-UHFFFAOYSA-N benzene-1,2,3-tricarboxylic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1C(O)=O UJMDYLWCYJJYMO-UHFFFAOYSA-N 0.000 description 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 2
- HNEGQIOMVPPMNR-IHWYPQMZSA-N citraconic acid Chemical compound OC(=O)C(/C)=C\C(O)=O HNEGQIOMVPPMNR-IHWYPQMZSA-N 0.000 description 2
- 229940018557 citraconic acid Drugs 0.000 description 2
- 238000007334 copolymerization reaction Methods 0.000 description 2
- IFDVQVHZEKPUSC-UHFFFAOYSA-N cyclohex-3-ene-1,2-dicarboxylic acid Chemical compound OC(=O)C1CCC=CC1C(O)=O IFDVQVHZEKPUSC-UHFFFAOYSA-N 0.000 description 2
- QSAWQNUELGIYBC-UHFFFAOYSA-N cyclohexane-1,2-dicarboxylic acid Chemical compound OC(=O)C1CCCCC1C(O)=O QSAWQNUELGIYBC-UHFFFAOYSA-N 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- 125000002147 dimethylamino group Chemical group [H]C([H])([H])N(*)C([H])([H])[H] 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- STVZJERGLQHEKB-UHFFFAOYSA-N ethylene glycol dimethacrylate Substances CC(=C)C(=O)OCCOC(=O)C(C)=C STVZJERGLQHEKB-UHFFFAOYSA-N 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 229920000578 graft copolymer Polymers 0.000 description 2
- 239000001023 inorganic pigment Substances 0.000 description 2
- 239000010985 leather Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002609 medium Substances 0.000 description 2
- 125000001434 methanylylidene group Chemical group [H]C#[*] 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 150000002763 monocarboxylic acids Chemical class 0.000 description 2
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 2
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 2
- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 description 2
- CSHWQDPOILHKBI-UHFFFAOYSA-N peryrene Natural products C1=CC(C2=CC=CC=3C2=C2C=CC=3)=C3C2=CC=CC3=C1 CSHWQDPOILHKBI-UHFFFAOYSA-N 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 239000001054 red pigment Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000001384 succinic acid Substances 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 2
- UFDHBDMSHIXOKF-UHFFFAOYSA-N tetrahydrophthalic acid Natural products OC(=O)C1=C(C(O)=O)CCCC1 UFDHBDMSHIXOKF-UHFFFAOYSA-N 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- CWERGRDVMFNCDR-UHFFFAOYSA-N thioglycolic acid Chemical compound OC(=O)CS CWERGRDVMFNCDR-UHFFFAOYSA-N 0.000 description 2
- 229920001567 vinyl ester resin Polymers 0.000 description 2
- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 0.000 description 2
- UJIHVZPVGXBWJZ-AATRIKPKSA-N (E)-4-(6-hydroxyhexoxy)-4-oxobut-2-enoic acid Chemical compound OCCCCCCOC(=O)\C=C\C(O)=O UJIHVZPVGXBWJZ-AATRIKPKSA-N 0.000 description 1
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 1
- STMDPCBYJCIZOD-UHFFFAOYSA-N 2-(2,4-dinitroanilino)-4-methylpentanoic acid Chemical compound CC(C)CC(C(O)=O)NC1=CC=C([N+]([O-])=O)C=C1[N+]([O-])=O STMDPCBYJCIZOD-UHFFFAOYSA-N 0.000 description 1
- KTIBRDNFZLYLNA-UHFFFAOYSA-N 2-(2-hydroxyethenoxy)ethenol Chemical compound OC=COC=CO KTIBRDNFZLYLNA-UHFFFAOYSA-N 0.000 description 1
- RKYJPYDJNQXILT-UHFFFAOYSA-N 2-(2-prop-2-enoyloxyethoxycarbonyl)benzoic acid Chemical compound OC(=O)C1=CC=CC=C1C(=O)OCCOC(=O)C=C RKYJPYDJNQXILT-UHFFFAOYSA-N 0.000 description 1
- 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 description 1
- YSUQLAYJZDEMOT-UHFFFAOYSA-N 2-(butoxymethyl)oxirane Chemical compound CCCCOCC1CO1 YSUQLAYJZDEMOT-UHFFFAOYSA-N 0.000 description 1
- TXBCBTDQIULDIA-UHFFFAOYSA-N 2-[[3-hydroxy-2,2-bis(hydroxymethyl)propoxy]methyl]-2-(hydroxymethyl)propane-1,3-diol Chemical compound OCC(CO)(CO)COCC(CO)(CO)CO TXBCBTDQIULDIA-UHFFFAOYSA-N 0.000 description 1
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 description 1
- FRIBMENBGGCKPD-UHFFFAOYSA-N 3-(2,3-dimethoxyphenyl)prop-2-enal Chemical compound COC1=CC=CC(C=CC=O)=C1OC FRIBMENBGGCKPD-UHFFFAOYSA-N 0.000 description 1
- PRNMXSACOXQQRF-UHFFFAOYSA-N 3-amino-3-oxoprop-1-ene-2-sulfonic acid Chemical compound NC(=O)C(=C)S(O)(=O)=O PRNMXSACOXQQRF-UHFFFAOYSA-N 0.000 description 1
- JIGUICYYOYEXFS-UHFFFAOYSA-N 3-tert-butylbenzene-1,2-diol Chemical compound CC(C)(C)C1=CC=CC(O)=C1O JIGUICYYOYEXFS-UHFFFAOYSA-N 0.000 description 1
- XDLMVUHYZWKMMD-UHFFFAOYSA-N 3-trimethoxysilylpropyl 2-methylprop-2-enoate Chemical compound CO[Si](OC)(OC)CCCOC(=O)C(C)=C XDLMVUHYZWKMMD-UHFFFAOYSA-N 0.000 description 1
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 239000004342 Benzoyl peroxide Substances 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
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- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 1
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- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 1
- 239000005083 Zinc sulfide Substances 0.000 description 1
- ULQMPOIOSDXIGC-UHFFFAOYSA-N [2,2-dimethyl-3-(2-methylprop-2-enoyloxy)propyl] 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCC(C)(C)COC(=O)C(C)=C ULQMPOIOSDXIGC-UHFFFAOYSA-N 0.000 description 1
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- AUNAPVYQLLNFOI-UHFFFAOYSA-L [Pb++].[Pb++].[Pb++].[O-]S([O-])(=O)=O.[O-][Cr]([O-])(=O)=O.[O-][Mo]([O-])(=O)=O Chemical compound [Pb++].[Pb++].[Pb++].[O-]S([O-])(=O)=O.[O-][Cr]([O-])(=O)=O.[O-][Mo]([O-])(=O)=O AUNAPVYQLLNFOI-UHFFFAOYSA-L 0.000 description 1
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- 150000007513 acids Chemical class 0.000 description 1
- 150000003926 acrylamides Chemical class 0.000 description 1
- 238000007259 addition reaction Methods 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229940072049 amyl acetate Drugs 0.000 description 1
- PGMYKACGEOXYJE-UHFFFAOYSA-N anhydrous amyl acetate Natural products CCCCCOC(C)=O PGMYKACGEOXYJE-UHFFFAOYSA-N 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- GHPGOEFPKIHBNM-UHFFFAOYSA-N antimony(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Sb+3].[Sb+3] GHPGOEFPKIHBNM-UHFFFAOYSA-N 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 239000010426 asphalt Substances 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
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- ZADPBFCGQRWHPN-UHFFFAOYSA-N boronic acid Chemical compound OBO ZADPBFCGQRWHPN-UHFFFAOYSA-N 0.000 description 1
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 1
- CJOBVZJTOIVNNF-UHFFFAOYSA-N cadmium sulfide Chemical compound [Cd]=S CJOBVZJTOIVNNF-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 229940072282 cardura Drugs 0.000 description 1
- 239000003093 cationic surfactant Substances 0.000 description 1
- 239000012986 chain transfer agent Substances 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 238000005354 coacervation Methods 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 229910000152 cobalt phosphate Inorganic materials 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- LDHQCZJRKDOVOX-NSCUHMNNSA-N crotonic acid Chemical compound C\C=C\C(O)=O LDHQCZJRKDOVOX-NSCUHMNNSA-N 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 229960002887 deanol Drugs 0.000 description 1
- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical compound CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 description 1
- 150000005690 diesters Chemical class 0.000 description 1
- 125000001664 diethylamino group Chemical group [H]C([H])([H])C([H])([H])N(*)C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- GMSCBRSQMRDRCD-UHFFFAOYSA-N dodecyl 2-methylprop-2-enoate Chemical compound CCCCCCCCCCCCOC(=O)C(C)=C GMSCBRSQMRDRCD-UHFFFAOYSA-N 0.000 description 1
- 125000003438 dodecyl group Chemical group [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])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- RUZYUOTYCVRMRZ-UHFFFAOYSA-N doxazosin Chemical compound C1OC2=CC=CC=C2OC1C(=O)N(CC1)CCN1C1=NC(N)=C(C=C(C(OC)=C2)OC)C2=N1 RUZYUOTYCVRMRZ-UHFFFAOYSA-N 0.000 description 1
- MASNVFNHVJIXLL-UHFFFAOYSA-N ethenyl(ethoxy)silicon Chemical compound CCO[Si]C=C MASNVFNHVJIXLL-UHFFFAOYSA-N 0.000 description 1
- IIQWTZQWBGDRQG-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate;isocyanic acid Chemical compound N=C=O.CCOC(=O)C(C)=C IIQWTZQWBGDRQG-UHFFFAOYSA-N 0.000 description 1
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical compound FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- CATSNJVOTSVZJV-UHFFFAOYSA-N heptan-2-one Chemical compound CCCCCC(C)=O CATSNJVOTSVZJV-UHFFFAOYSA-N 0.000 description 1
- MNWFXJYAOYHMED-UHFFFAOYSA-M heptanoate Chemical compound CCCCCCC([O-])=O MNWFXJYAOYHMED-UHFFFAOYSA-M 0.000 description 1
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 1
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- UCNNJGDEJXIUCC-UHFFFAOYSA-L hydroxy(oxo)iron;iron Chemical compound [Fe].O[Fe]=O.O[Fe]=O UCNNJGDEJXIUCC-UHFFFAOYSA-L 0.000 description 1
- 125000002768 hydroxyalkyl group Chemical group 0.000 description 1
- 235000019239 indanthrene blue RS Nutrition 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- IQJVBAIESAQUKR-UHFFFAOYSA-N isocyanic acid;prop-2-enoic acid Chemical group N=C=O.OC(=O)C=C IQJVBAIESAQUKR-UHFFFAOYSA-N 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- PIJPYDMVFNTHIP-UHFFFAOYSA-L lead sulfate Chemical compound [PbH4+2].[O-]S([O-])(=O)=O PIJPYDMVFNTHIP-UHFFFAOYSA-L 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 239000002540 palm oil Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 229940104573 pigment red 5 Drugs 0.000 description 1
- 229940067265 pigment yellow 138 Drugs 0.000 description 1
- 239000006187 pill Substances 0.000 description 1
- 239000002685 polymerization catalyst Substances 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- FBCQUCJYYPMKRO-UHFFFAOYSA-N prop-2-enyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCC=C FBCQUCJYYPMKRO-UHFFFAOYSA-N 0.000 description 1
- HJWLCRVIBGQPNF-UHFFFAOYSA-N prop-2-enylbenzene Chemical compound C=CCC1=CC=CC=C1 HJWLCRVIBGQPNF-UHFFFAOYSA-N 0.000 description 1
- BNMCQIRVFUGISV-UHFFFAOYSA-N propan-2-one;prop-2-enamide Chemical compound CC(C)=O.NC(=O)C=C BNMCQIRVFUGISV-UHFFFAOYSA-N 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 125000004079 stearyl 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])C([H])([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 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- 238000010557 suspension polymerization reaction Methods 0.000 description 1
- GJBRNHKUVLOCEB-UHFFFAOYSA-N tert-butyl benzenecarboperoxoate Chemical compound CC(C)(C)OOC(=O)C1=CC=CC=C1 GJBRNHKUVLOCEB-UHFFFAOYSA-N 0.000 description 1
- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical compound CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 description 1
- 230000001256 tonic effect Effects 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- KOZCZZVUFDCZGG-UHFFFAOYSA-N vinyl benzoate Chemical compound C=COC(=O)C1=CC=CC=C1 KOZCZZVUFDCZGG-UHFFFAOYSA-N 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- 235000014692 zinc oxide Nutrition 0.000 description 1
- 229910052984 zinc sulfide Inorganic materials 0.000 description 1
- NDKWCCLKSWNDBG-UHFFFAOYSA-N zinc;dioxido(dioxo)chromium Chemical compound [Zn+2].[O-][Cr]([O-])(=O)=O NDKWCCLKSWNDBG-UHFFFAOYSA-N 0.000 description 1
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 description 1
- 150000007934 α,β-unsaturated carboxylic acids Chemical class 0.000 description 1
Landscapes
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
Description
本発明は、顔料表面にポリマーを有するポリマーコート顔料に関し、さらに詳細には、塗料、プラスチック、印刷インキ、ゴム、レザー、捺染、カラーフィルター、ジェットインキ、熱転写インキなどの色材として使用可能なポリマーコート顔料およびその製造方法に関する。 The present invention relates to a polymer-coated pigment having a polymer on the pigment surface, and more specifically, a polymer that can be used as a coloring material for paint, plastic, printing ink, rubber, leather, textile printing, color filter, jet ink, thermal transfer ink, and the like. The present invention relates to a coated pigment and a method for producing the same.
顔料は一般に不溶性の色材であるため、塗料、印刷インキ、カラーフィルター等の製造やプラスチックの着色において、溶剤や樹脂等の媒体中に顔料粒子を均一に分散させる事が重要な課題になっている。
顔料の分散性は顔料粒子の表面の性質に大きく依存することから、様々な表面処理による分散性の向上が試みられている。これらの処理方法としては、ロジン処理やカチオン系界面活性剤、アニオン系界面活性剤、ノニオン系界面活性剤等の各種界面活性剤処理、顔料誘導体処理、ポリマー処理がある。
Since pigments are generally insoluble colorants, it is an important issue to uniformly disperse pigment particles in a medium such as a solvent or resin in the production of paints, printing inks, color filters, etc. and the coloring of plastics. Yes.
Since the dispersibility of the pigment greatly depends on the properties of the surface of the pigment particles, attempts have been made to improve the dispersibility by various surface treatments. These treatment methods include rosin treatment, various surfactant treatments such as cationic surfactants, anionic surfactants, nonionic surfactants, pigment derivative treatments, and polymer treatments.
これらの処理方法のうち、顔料表面にポリマーをコートさせることで分散性の向上を図るポリマー処理法には、in−situ重合法、相分離(コアセルベーション)法、液中乾燥法等がある。
その中で、in−situ重合法は従来より行われている方法であり、特許文献1〜7に記載されている。これらの方法は全て水系条件下で行われている。例えば特許文献1および2に記載の方法では、顔料を界面活性剤や水溶性ポリマーを用いて水系媒体に安定分散後、単量体を重合することでポリマーコート顔料を得ている。また特許文献3および4に記載の方法では、重合性界面活性剤を使用してポリマーコート顔料を得ている。また特許文献5に記載の方法では、重合性官能基を有するアルキレンオキサイド鎖含有化合物を使用し、顔料を分散した系で単量体を重合しポリマーコート顔料を得ている。
しかし、いずれの方法も、顔料が水系媒体に安定に分散できる状態が必須であるため使用できる顔料が特定されてしまうことや、得られるポリマーコート顔料の分散安定性は、水系媒体でないと得られず、有機溶媒では分散安定性が得られないといった問題があった。
特許文献6に記載の方法は、顔料とモノマーとを混合後、分散安定剤を用いた懸濁重合によりポリマーコート顔料を得る方法であるが、該方法では微細なポリマーコート顔料は得られない。
また、特許文献7に記載の方法は、親水性の有機溶剤および水の共存媒体中、予めシランカップリング剤で表面を覆った顔料の存在下で単量体を重合してポリマーコート顔料を得る方法である。しかしシランカップリング剤となじみにくい有機顔料には適用できない。
Among these treatment methods, polymer treatment methods for improving dispersibility by coating a pigment surface with a polymer include an in-situ polymerization method, a phase separation (coacervation) method, and a submerged drying method. .
Among them, the in-situ polymerization method is a conventionally performed method and is described in Patent Documents 1 to 7. All these methods are carried out under aqueous conditions. For example, in the methods described in Patent Documents 1 and 2, a polymer-coated pigment is obtained by polymerizing a monomer after stably dispersing the pigment in an aqueous medium using a surfactant or a water-soluble polymer. In the methods described in Patent Documents 3 and 4, a polymer-coated pigment is obtained using a polymerizable surfactant. In the method described in Patent Document 5, an alkylene oxide chain-containing compound having a polymerizable functional group is used, and a monomer is polymerized in a system in which the pigment is dispersed to obtain a polymer-coated pigment.
However, in any method, it is essential that the pigment can be stably dispersed in the aqueous medium, so that a usable pigment is specified, and the dispersion stability of the obtained polymer-coated pigment can be obtained only when the aqueous medium is used. In addition, there is a problem that dispersion stability cannot be obtained with an organic solvent.
The method described in Patent Document 6 is a method of obtaining a polymer-coated pigment by suspension polymerization using a dispersion stabilizer after mixing a pigment and a monomer, but in this method, a fine polymer-coated pigment cannot be obtained.
The method described in Patent Document 7 is a polymer-coated pigment obtained by polymerizing monomers in the presence of a pigment whose surface is previously covered with a silane coupling agent in a coexisting medium of a hydrophilic organic solvent and water. Is the method. However, it cannot be applied to organic pigments that are not compatible with silane coupling agents.
溶媒として水を使用しないin−situ重合法としては、例えば特許文献8〜13に記載されている。これらはいずれも、誘電率1.5〜20および表面張力15〜60mN/mの非水溶媒中でin−situ重合法を行っている。しかし該文献に記載の方法はいずれも、表面処理された顔料を使用し、特定の分散安定剤で顔料を安定に分散させる事が必須条件であるため、汎用的ではない。
このように、in−situ重合法は様々な手法がなされているが、汎用の顔料に適用でき、更に、有機溶媒でも良好な分散安定性を示すポリマーコート顔料を得る手法は未だ得られていないのが現状である。 As described above, various methods have been used for the in-situ polymerization method, but it is applicable to general-purpose pigments, and further, a method for obtaining a polymer-coated pigment exhibiting good dispersion stability even with an organic solvent has not yet been obtained. is the current situation.
本発明の課題は、有機溶媒でも良好な分散安定性を示すポリマーコート顔料、及び、汎用の顔料に適用でき有機溶媒でも良好な分散安定性を示すポリマーコート顔料を得る製造方法を提供するものである。 An object of the present invention is to provide a polymer-coated pigment exhibiting good dispersion stability even in an organic solvent, and a production method for obtaining a polymer-coated pigment that can be applied to a general-purpose pigment and exhibit good dispersion stability even in an organic solvent. is there.
本発明者は、前記課題を解決するために鋭意検討した結果、顔料(A)表面に、非水溶媒に可溶な重合性不飽和基を含有するポリマー(B−1)と非水溶媒に可溶でありかつ重合後に不溶もしくは難溶になる少なくとも1種の重合性不飽和単量体(B−2)とを共重合することにより得られるポリマー(B)を有することを特徴とするポリマーコート顔料が、良好な顔料分散性を示す事を見出し、本発明を完成するに至った。 As a result of intensive studies to solve the above problems, the present inventor found that the polymer (B-1) containing a polymerizable unsaturated group soluble in a non-aqueous solvent and a non-aqueous solvent on the surface of the pigment (A). A polymer having a polymer (B) obtained by copolymerizing at least one polymerizable unsaturated monomer (B-2) which is soluble and insoluble or hardly soluble after polymerization The present inventors have found that the coated pigment exhibits good pigment dispersibility and have completed the present invention.
本発明のポリマーコート顔料は、顔料(A)、非水溶媒、及び該非水溶媒に可溶な重合性不飽和基を含有するポリマー(B−1)の存在下で、該非水溶媒に可溶でありかつ重合後に不溶もしくは難溶になる少なくとも1種の重合性不飽和単量体(B−2)を重合させる、いわゆるin−situ重合により得ることができる。
従来、in−situ重合法は顔料が分散安定剤に微細かつ安定に分散された重合の場を必要とすると考えられていたが、本発明では非水溶媒に可溶な重合性不飽和基を含有するポリマー(B−1)で顔料(A)の表面が濡らされる事により形成される顔料(A)と非水溶媒に可溶な重合性不飽和基を含有するポリマー(B−1)の界面が重合の場になると考えられ、顔料が分散安定剤に微細かつ安定に分散された場は必須ではないため、微細に分散された状態を形成するための顔料の表面処理等は必ずしも必要ではなく、広範囲の種類の顔料に適用できるものである。
The polymer-coated pigment of the present invention is soluble in the non-aqueous solvent in the presence of the pigment (A), the non-aqueous solvent, and the polymer (B-1) containing a polymerizable unsaturated group soluble in the non-aqueous solvent. And at least one polymerizable unsaturated monomer (B-2) that becomes insoluble or hardly soluble after polymerization, and can be obtained by so-called in-situ polymerization.
Conventionally, the in-situ polymerization method has been considered to require a polymerization field in which a pigment is finely and stably dispersed in a dispersion stabilizer. However, in the present invention, a polymerizable unsaturated group soluble in a non-aqueous solvent is added. Between the pigment (A) formed by wetting the surface of the pigment (A) with the polymer (B-1) and a polymer (B-1) containing a polymerizable unsaturated group soluble in a non-aqueous solvent. The interface is considered to be a place for polymerization, and the place where the pigment is finely and stably dispersed in the dispersion stabilizer is not essential, so the surface treatment of the pigment to form a finely dispersed state is not always necessary. It can be applied to a wide variety of pigments.
即ち、本発明は、顔料(A)表面に、非水溶媒に可溶な重合性不飽和基を含有するポリマー(B−1)と非水溶媒に可溶でありかつ重合後に不溶もしくは難溶になる少なくとも1種の重合性不飽和単量体(B−2)とを共重合することにより得られるポリマー(B)を有するポリマーコート顔料を提供するものである。 That is, the present invention provides a polymer (B-1) containing a polymerizable unsaturated group soluble in a non-aqueous solvent and a non-aqueous solvent on the surface of the pigment (A) and is insoluble or hardly soluble after polymerization. The present invention provides a polymer-coated pigment having a polymer (B) obtained by copolymerizing at least one polymerizable unsaturated monomer (B-2).
また、本発明は、顔料(A)、非水溶媒、及び該非水溶媒に可溶な重合性不飽和基を含有するポリマー(B−1)の存在下で、該非水溶媒に可溶でありかつ重合後に不溶もしくは難溶になる少なくとも1種の重合性不飽和単量体(B−2)を重合させて得るポリマーコート顔料を提供するものである。 Further, the present invention is soluble in the non-aqueous solvent in the presence of the pigment (A), the non-aqueous solvent, and the polymer (B-1) containing a polymerizable unsaturated group soluble in the non-aqueous solvent. In addition, the present invention provides a polymer coat pigment obtained by polymerizing at least one polymerizable unsaturated monomer (B-2) that becomes insoluble or hardly soluble after polymerization.
また、本発明は、顔料(A)、非水溶媒、及び該非水溶媒に可溶な重合性不飽和基を含有するポリマー(B−1)の存在下で、該非水溶媒に可溶でありかつ重合後に不溶もしくは難溶になる少なくとも1種の重合性不飽和単量体(B−2)を重合させるポリマーコート顔料の製造方法を提供するものである。 Further, the present invention is soluble in the non-aqueous solvent in the presence of the pigment (A), the non-aqueous solvent, and the polymer (B-1) containing a polymerizable unsaturated group soluble in the non-aqueous solvent. And the manufacturing method of the polymer coat pigment which polymerizes at least 1 sort (s) of polymerizable unsaturated monomer (B-2) which becomes insoluble or hardly soluble after superposition | polymerization is provided.
本発明のポリマーコート顔料は有機溶媒でも良好な分散安定性を示すので、塗料、プラスチック、印刷インキ、ゴム、レザー、捺染、カラーフィルター、ジェットインキ、熱転写インキなどの有機溶剤を溶媒としたときの色材として非常に有用である。
また、本発明のポリマーコート顔料の製造方法は、未処理顔料、処理顔料、有機無機問わず、汎用の顔料に適用することが可能である。
Since the polymer-coated pigment of the present invention exhibits good dispersion stability even in an organic solvent, the organic coating solvent such as paint, plastic, printing ink, rubber, leather, textile printing, color filter, jet ink, thermal transfer ink and the like is used as a solvent. It is very useful as a coloring material.
In addition, the method for producing a polymer-coated pigment of the present invention can be applied to general-purpose pigments regardless of whether they are untreated pigments, treated pigments, or organic / inorganic.
(顔料(A))
本発明で使用する顔料(A)は、公知慣用の有機顔料あるいは無機顔料の中から選ばれる少なくとも一種の顔料である。また、本発明は未処理顔料、処理顔料のいずれでも適用することができる。
(Pigment (A))
The pigment (A) used in the present invention is at least one pigment selected from known and commonly used organic pigments or inorganic pigments. In addition, the present invention can be applied to either an untreated pigment or a treated pigment.
有機顔料としては、例えば、ペリレン・ペリノン系化合物顔料、キナクリドン系化合物顔料、フタロシアニン系化合物顔料、アントラキノン系化合物顔料、フタロン系化合物顔料、ジオキサジン系化合物顔料、イソインドリノン系化合物顔料、メチン・アゾメチン系化合物顔料、ジケトピロロピロール系化合物顔料、不溶性アゾ系化合物顔料、縮合アゾ系化合物顔料等が挙げられる。有機顔料の具体例を挙げると、例えば次の通りである。
ペリレン・ペリノン系化合物顔料としては、例えばC.I.PigmentViolet 29、C.I.Pigment Red 123、同149、同178、同179、C.I.Pigment Black 31、同32、C.I.Pigment Orange 43等の顔料が挙げられる。
キナクリドン系化合物顔料としては、例えばC.I.Pigment Violet 19、同42、C.I.Pigment Red 122、同202、同206、同207、同209、C.I.Pigment Orange 48、同49等の顔料が挙げられる。
フタロシアニン系化合物顔料としては、例えばC.I.Pigment Blue 15、15:1、15:2、15:3、15:4、15:6、16、C.I.Pigment Green 7、同36等の顔料が挙げられる。
アントラキノン系化合物顔料としては、例えばC.I.Pigment Blue 60、C.I.Pigment Yellow 24、同108、C.I.Pigment Red 168、同177、C.I.Pigment Orange 40等の顔料が挙げられる。
フタロン系化合物顔料としては、例えば、C.I.Pigment Yellow 138等の顔料が挙げられる。
ジオキサジン系化合物顔料としては、例えばC.I.Pigment Violet 23、同37等の顔料が挙げられる。
イソインドリノン系化合物顔料としては、例えばC.I.Pigment Yellow 109、同110、同173、C.I.Pigment Orange 61等の顔料が挙げられる。
メチン・アゾメチン系化合物顔料としては、例えばC.I.PigmentYellow 139、同185、C.I.Pigment Orange 66、C.I.Pigment Brown 38等の顔料が挙げられる。
ジケトピロロピロール系化合物顔料としては、例えばC.I.PigmentRed 254、同255等の顔料がある。
不溶性アゾ系化合物顔料としては、例えば C.I.Pigment Yellow 1、同3、同12、同13、同14、同17、同55、同73、同74、同81、同83、同97、同130、同151、同152、同154、同156、同165、同166、同167、同170、同171、同172、同174、同175、同176、同180、同181、同188、C.I.Pigment Orange 16、同36、同60、C.I.Pigment Red5、同22、同31、同112、同146、同150、同171、同175、同176、同183、同185、同208、同213、C.I.PigmentViolet 43、同44、C.I.Pigment Blue 25、同26等の顔料が挙げられる。
縮合アゾ系化合物顔料としては、例えば C.I.Pigment Yellow 93、同94、同95、同128、同166、C.I.PigmentOrange 31C.I.Pigment Red 144、同166、同214、同220、同221、同242、同248、同262、C.I.Pigment Brown 41、同42等の顔料がある。
Examples of organic pigments include perylene / perinone compound pigments, quinacridone compound pigments, phthalocyanine compound pigments, anthraquinone compound pigments, phthalone compound pigments, dioxazine compound pigments, isoindolinone compound pigments, methine / azomethine compounds Examples thereof include compound pigments, diketopyrrolopyrrole compound pigments, insoluble azo compound pigments, and condensed azo compound pigments. Specific examples of the organic pigment are as follows, for example.
Examples of perylene / perinone compound pigments include C.I. I. PigmentViolet 29, C.I. I. Pigment Red 123, 149, 178, 179, C.I. I. Pigment Black 31, 32, C.I. I. Pigment Orange 43 and the like.
Examples of quinacridone compound pigments include C.I. I. Pigment Violet 19, 42, C.I. I. Pigment Red 122, 202, 206, 207, 209, C.I. I. Pigment Orange 48, 49 and the like.
Examples of the phthalocyanine compound pigment include C.I. I. Pigment Blue 15, 15: 1, 15: 2, 15: 3, 15: 4, 15: 6, 16, C.I. I. Pigment Green 7, 36 and the like.
Examples of the anthraquinone compound pigment include C.I. I. Pigment Blue 60, C.I. I. Pigment Yellow 24, 108, C.I. I. Pigment Red 168, 177, C.I. I. Pigment Orange 40 and the like.
Examples of the phthalone compound pigment include C.I. I. And pigments such as Pigment Yellow 138.
Examples of the dioxazine compound pigment include C.I. I. Pigment Violet 23, 37, and the like.
Examples of isoindolinone compound pigments include C.I. I. Pigment Yellow 109, 110, 173, C.I. I. Pigment Orange 61 and the like.
Examples of methine / azomethine compound pigments include C.I. I. Pigment Yellow 139, 185, C.I. I. Pigment Orange 66, C.I. I. Pigment Brown 38 and the like.
Examples of the diketopyrrolopyrrole compound pigment include C.I. I. Pigment Red 254, 255 and the like.
Examples of insoluble azo compound pigments include C.I. I. Pigment Yellow 1, 3, 12, 13, 14, 17, 55, 73, 74, 81, 83, 97, 130, 151, 152, 154, 156, 165, 166, 167, 170, 171, 172, 174, 175, 176, 180, 181, 188, C.I. I. Pigment Orange 16, 36, 60, C.I. I. Pigment Red5, 22, 22, 31, 112, 146, 150, 171, 175, 176, 183, 185, 208, 213, C.I. I. PigmentViolet 43, 44, C.I. I. Pigment Blue 25, 26 and the like.
Examples of the condensed azo compound pigment include C.I. I. Pigment Yellow 93, 94, 95, 128, 166, C.I. I. Pigment Orange 31C. I. Pigment Red 144, 166, 214, 220, 221, 242, 248, 262, C.I. I. Pigment Brown 41, 42 and the like.
無機顔料としては、例えば、酸化チタン、硫化亜鉛、鉛白、亜鉛華、リトボン、アンチモンホワイト、塩基性硫酸鉛、塩基性ケイ酸鉛、硫酸バリウム、炭酸カルシウム、石膏、シリカ、カーボンブラック、鉄黒、コバルトバイオレット、バーミリオン、モリブデンオレンジ、鉛丹、ベンガラ、黄鉛、カドミウムイエロー、ジンククロメート、イエローオーカー、酸化クロム、群青、紺青、コバルトブルー等が挙げられる。 Examples of inorganic pigments include titanium oxide, zinc sulfide, lead white, zinc white, lithbon, antimony white, basic lead sulfate, basic lead silicate, barium sulfate, calcium carbonate, gypsum, silica, carbon black, iron black. , Cobalt violet, vermillion, molybdenum orange, red lead, bengara, yellow lead, cadmium yellow, zinc chromate, yellow ocher, chromium oxide, ultramarine, bitumen, cobalt blue and the like.
本発明においては特に有機顔料であると、本発明の効果をより発揮することができ好ましく、前記キナクリドン系化合物顔料、前記フタロシアニン系化合物顔料、前記不溶性アゾ系化合物顔料、前記縮合アゾ系化合物顔料を使用することが特に好ましい。 In the present invention, an organic pigment is particularly preferable because the effects of the present invention can be further exerted. The quinacridone compound pigment, the phthalocyanine compound pigment, the insoluble azo compound pigment, and the condensed azo compound pigment It is particularly preferred to use it.
(非水溶媒)
本発明で使用する非水溶媒は、脂肪族および/または脂環式炭化水素系溶剤を必須とする有機溶剤である。脂肪族および/または脂環式炭化水素系溶剤としては、例えば、n−ヘキサン、n−ヘプタン、シェルケミカルズ社製品の「ロウス」もしくは「ミネラルスプリットEC」、エクソンモービルケミカル社製品の「アイソパーC」、「アイソパーE」、「アイソパーG」、「アイソパーH」、「アイソパーL」、「アイソパーM」、「ナフサ3号」、「ナフサ5号」もしくは「ナフサ6号」、出光石油化学株式会社製品の「ソルベント7号」、「IPソルベント1016」、「IPソルベント1620」、「IPソルベント2028」もしくは「IPソルベント2835」、株式会社ジャパンエナジー製品の「ホワイトゾール」等が挙げられる。
(Non-aqueous solvent)
The non-aqueous solvent used in the present invention is an organic solvent in which an aliphatic and / or alicyclic hydrocarbon solvent is essential. Examples of the aliphatic and / or alicyclic hydrocarbon solvents include n-hexane, n-heptane, “Loose” or “Mineral Split EC” manufactured by Shell Chemicals, and “Isopar C” manufactured by ExxonMobil Chemical. , “Isopar E”, “Isopar G”, “Isopar H”, “Isopar L”, “Isopar M”, “Naphtha 3”, “Naphtha 5” or “Naphtha 6”, products of Idemitsu Petrochemical Co., Ltd. “Solvent No. 7”, “IP solvent 1016”, “IP solvent 1620”, “IP solvent 2028” or “IP solvent 2835”, “Whitesol” of Japan Energy Co., Ltd., and the like.
また、本発明の効果を損なわない範囲において、他の有機溶剤を混合して使用してもよい。このような有機溶剤としては、具体的には例えば、丸善石油株式会社製品の「スワゾール100ないしは150」、トルエンもしくはキシレンの等の芳香族炭化水素系溶剤類;酢酸メチル、酢酸エチル、酢酸−n−ブチルもしくは酢酸アミルの等のエステル類;アセトン、メチルエチルケトン、メチルイソブチルケトン、メチルアミルケトンもしくはシクロヘキサノンの等のケトン類;またはメタノール、エタノール、n−プロパノール、i−プロパノールもしくはn−ブタノールの等のアルコール類が挙げられる。
混合して使用する際には、前記脂肪族および/または脂環式炭化水素系溶剤の使用量を、50質量%以上とすることが好ましく、より好ましくは60質量%以上である。
Moreover, you may mix and use another organic solvent in the range which does not impair the effect of this invention. Specific examples of such organic solvents include “Swazole 100 or 150” manufactured by Maruzen Petroleum Corporation, aromatic hydrocarbon solvents such as toluene or xylene; methyl acetate, ethyl acetate, acetic acid-n. Esters such as butyl or amyl acetate; ketones such as acetone, methyl ethyl ketone, methyl isobutyl ketone, methyl amyl ketone or cyclohexanone; or alcohols such as methanol, ethanol, n-propanol, i-propanol or n-butanol Kind.
When mixed and used, the amount of the aliphatic and / or alicyclic hydrocarbon solvent used is preferably 50% by mass or more, and more preferably 60% by mass or more.
(非水溶媒に可溶な重合性不飽和基を含有するポリマー(B−1))
本発明で使用する非水溶媒に可溶な重合性不飽和基を含有するポリマー(B−1)とは、具体的には、
炭素原子数4個以上のアルキル基を有するアルキル(メタ)アクリレートを主成分とする重合性不飽和単量体の共重合体に重合性不飽和基を導入したポリマー、
あるいは、炭素原子数4個以上のアルキル基を有するアルキル(メタ)アクリレートを主成分とする重合性不飽和単量体の共重合体からなるマクロモノマー
などを指称するものである。
(Polymer (B-1) containing polymerizable unsaturated group soluble in non-aqueous solvent)
Specifically, the polymer (B-1) containing a polymerizable unsaturated group soluble in the non-aqueous solvent used in the present invention is:
A polymer in which a polymerizable unsaturated group is introduced into a copolymer of a polymerizable unsaturated monomer mainly composed of an alkyl (meth) acrylate having an alkyl group having 4 or more carbon atoms,
Or the macromonomer etc. which consist of the copolymer of the polymerizable unsaturated monomer which has as a main component the alkyl (meth) acrylate which has a C4 or more alkyl group are mentioned.
炭素原子数4個以上のアルキル基を有するアルキル(メタ)アクリレートとしては、例えば、n−ブチル(メタ)アクリレート、i−ブチル(メタ)アクリレート、t−ブチル(メタ)アクリレート、2−エチルヘキシル(メタ)アクリレート、ラウリル(メタ)アクリレート、ステアリル(メタ)アクリレート、イソステアリル(メタ)アクリレート、シクロヘキシル(メタ)アクリレート、等が挙げられる。
また、アルキル(メタ)アクリレート以外の使用が可能な重合性不飽和単量体として、スチレン、α−メチルスチレン、p−t−ブチルスチレンもしくはビニルトルエンの等の芳香族系ビニル系モノマー、ベンジル(メタ)アクリレート、ジメチルアミノ(メタ)アクリレート、ジエチルアミノ(メタ)アクリレート、ジブロモプロピル(メタ)アクリレートもしくはトリブロモフェニル(メタ)アクリレートの等の(メタ)アクリレート類、マレイン酸、フマル酸もしくはイタコン酸の等の不飽和ジカルボン酸と1価アルコールとのジエステル類、安息香酸ビニル、「ベオバ」(オランダ国シェル社製のビニルエステル)の等のビニルエステル類等が挙げられ、前記のアルキル(メタ)アクリレート類とともに共重合して使用することができる。
これらのアルキル(メタ)アクリレート以外の使用が可能な重合性不飽和基含有単量体の単独の重合体は該非水媒体での溶解性が低いため、アルキル(メタ)アクリレートとランダム重合体として使用されることが好ましい。ブロック状あるいはグラフト状に共重合を行った場合は、該非水媒体での溶解性を著しく低下させるため、あまり好ましくない。
Examples of the alkyl (meth) acrylate having an alkyl group having 4 or more carbon atoms include n-butyl (meth) acrylate, i-butyl (meth) acrylate, t-butyl (meth) acrylate, 2-ethylhexyl (meta ) Acrylate, lauryl (meth) acrylate, stearyl (meth) acrylate, isostearyl (meth) acrylate, cyclohexyl (meth) acrylate, and the like.
Examples of polymerizable unsaturated monomers other than alkyl (meth) acrylates include aromatic vinyl monomers such as styrene, α-methylstyrene, pt-butylstyrene or vinyltoluene, benzyl ( (Meth) acrylate, dimethylamino (meth) acrylate, diethylamino (meth) acrylate, (meth) acrylates such as dibromopropyl (meth) acrylate or tribromophenyl (meth) acrylate, maleic acid, fumaric acid or itaconic acid, etc. And diesters of unsaturated dicarboxylic acids and monohydric alcohols, vinyl esters such as vinyl benzoate, “Veoba” (vinyl ester manufactured by Shell of the Netherlands), and the like, and the above alkyl (meth) acrylates Can be used together with copolymerization That.
A single polymer of a polymerizable unsaturated group-containing monomer that can be used other than these alkyl (meth) acrylates has low solubility in the non-aqueous medium, so it is used as an alkyl (meth) acrylate and a random polymer. It is preferred that When the copolymerization is carried out in the form of a block or a graft, the solubility in the non-aqueous medium is remarkably lowered, which is not preferable.
これらの重合性不飽和単量体は単独で使用してもよいし、複数種を組み合わせて使用してもよい。中でも、n−ブチル(メタ)アクリレート、2−エチルヘキシル(メタ)アクリレート、ラウリルメタクリレート等の炭素数4個から12個のアルキル基を持つ直鎖あるいは分岐のアルキル(メタ)アクリレートの使用が特に好ましい。 These polymerizable unsaturated monomers may be used alone or in combination of two or more. Of these, the use of linear or branched alkyl (meth) acrylates having 4 to 12 carbon atoms such as n-butyl (meth) acrylate, 2-ethylhexyl (meth) acrylate, lauryl methacrylate and the like is particularly preferable.
炭素原子数4個以上のアルキル基を有するアルキル(メタ)アクリレートを主成分とする重合性不飽和単量体の共重合体は、前記重合性不飽和単量体を常法により重合することで得られる。 A copolymer of a polymerizable unsaturated monomer having an alkyl (meth) acrylate having an alkyl group having 4 or more carbon atoms as a main component is obtained by polymerizing the polymerizable unsaturated monomer by a conventional method. can get.
前記炭素原子数4個以上のアルキル基を有するアルキル(メタ)アクリレートを主成分とする重合性不飽和単量体の共重合体へ、重合性不飽和基を導入する事により、重合性不飽和基を含有するポリマー(B−1)が得られる。
重合性不飽和基の導入方法としては、例えば、予め前記共重合成分としてアクリル酸やメタクリル酸等のカルボキシル基含有重合性単量体や、ジメチルアミノエチルメタクリレートやジメチルアミノプロピルアクリルアミド等のアミノ基含有重合性単量体を配合し共重合させ、カルボキシル基やアミノ基を有する前記共重合体を得、次に該カルボキシル基やアミノ基と、グリシジルメタクリレート等のグリシジル基及び重合性不飽和基を有する単量体を反応させる方法、
予め前記共重合成分として2−ヒドロキシエチルメタクリレート、2−ヒドロキシエチルアクリレート等の水酸基含有単量体を配合し共重合させ、水酸基を有する前記共重合体を得、次に該水酸基と、イソシアネートエチルメタクリレートの等のイソシアネート基と重合性不飽和基を有する単量体を反応させる方法、
重合の際にチオグリコール酸を連鎖移動剤として使用して共重合体末端にカルボキシル基を導入し、該カルボキシル基に、グリシジルメタクリレートの等のグリシジル基と重合性不飽和基を有する単量体を反応させる方法、
重合開始剤として、アゾビスシアノペンタン酸の等のカルボキシル基含有アゾ開始剤を使用して共重合体にカルボキシル基を導入し、該カルボキシル基にグリシジルメタクリレートの等のグリシジル基と重合性不飽和基を有する単量体を反応させる方法等が挙げられる。中でも、アクリル酸やメタクリル酸等のカルボキシル基含有単量体あるいはジメチルアミノエチルメタクリレートやジメチルアミノプロピルアクリルアミド等のアミノ基含有単量体を共重合しておき、そのカルボキシル基あるいはアミノ基とグリシジルメタクリレートの等のグリシジル基と重合性不飽和基を有する単量体を反応させる方法が最も簡便であり好ましい。
By introducing a polymerizable unsaturated group into the copolymer of a polymerizable unsaturated monomer mainly comprising an alkyl (meth) acrylate having an alkyl group having 4 or more carbon atoms, polymerizable unsaturated A polymer (B-1) containing a group is obtained.
As a method for introducing a polymerizable unsaturated group, for example, a carboxyl group-containing polymerizable monomer such as acrylic acid or methacrylic acid or an amino group such as dimethylaminoethyl methacrylate or dimethylaminopropylacrylamide is previously used as the copolymer component. A polymerizable monomer is blended and copolymerized to obtain the copolymer having a carboxyl group or an amino group, and then having the carboxyl group or amino group, a glycidyl group such as glycidyl methacrylate, and a polymerizable unsaturated group. A method of reacting monomers,
A hydroxyl group-containing monomer such as 2-hydroxyethyl methacrylate or 2-hydroxyethyl acrylate is previously blended and copolymerized as the copolymer component to obtain the copolymer having a hydroxyl group. Next, the hydroxyl group and isocyanate ethyl methacrylate are obtained. A method of reacting a monomer having a polymerizable unsaturated group with an isocyanate group such as
During polymerization, thioglycolic acid is used as a chain transfer agent to introduce a carboxyl group at the end of the copolymer, and a monomer having a glycidyl group such as glycidyl methacrylate and a polymerizable unsaturated group is added to the carboxyl group. How to react,
As a polymerization initiator, a carboxyl group-containing azo initiator such as azobiscyanopentanoic acid is used to introduce a carboxyl group into the copolymer, and a glycidyl group such as glycidyl methacrylate and a polymerizable unsaturated group are introduced into the carboxyl group. And the like. Among them, a carboxyl group-containing monomer such as acrylic acid or methacrylic acid or an amino group-containing monomer such as dimethylaminoethyl methacrylate or dimethylaminopropylacrylamide is copolymerized, and the carboxyl group or amino group and glycidyl methacrylate are copolymerized. A method of reacting a monomer having a polymerizable unsaturated group with a glycidyl group such as the simplest is preferable.
(非水溶媒に可溶でありかつ重合後に不溶もしくは難溶になる重合性不飽和単量体(B−2))
本発明で使用する、該非水溶媒に可溶でありかつ重合後に不溶もしくは難溶になる重合性不飽和単量体(B−2)とは、具体的には例えば、メチル(メタ)アクリレート、エチル(メタ)アクリレート、n−プロピル(メタ)アクリレートもしくはi−プロピル(メタ)アクリレート、または(メタ)アクリロニトリル、酢酸ビニル、塩化ビニル、塩化ビニリデン、フッ化ビニルもしくはフッ化ビニリデンのようなオレフィン類などの、いわゆる反応性極性基(官能基)をもたないビニル系モノマー類;(メタ)アクリルアミド、ジメチル(メタ)アクリルアミド、N−t−ブチル(メタ)アクリルアミド、N−オクチル(メタ)アクリルアミド、ジアセトンアクリルアミド、ジメチルアミノプロピルアクリルアミドもしくはアルコキシ化N−メチロール化(メタ)アクリルアミド類などのアミド結合含有ビニル系モノマー類;ジアルキル〔(メタ)アクリロイロキシアルキル〕ホスフェート類もしくは(メタ)アクリロイロキシアルキルアシッドホスフェート類、またはジアルキル〔(メタ)アクリロイロキシアルキル〕ホスファイト類もしくは(メタ)アクリロイロキシアルキルアシッドホスファイト類;上記(メタ)アクリロイロキシアルキルアシッドホスフェート類ないしはアシッドホスファイト類のアルキレンオキシド付加物やグリシジル(メタ)アクリレートやメチルグリシジル(メタ)アクリレートなどエポキシ基含有ビニル系モノマーとリン酸または亜リン酸あるいはこれらの酸性エステル類とのエステル化合物をはじめ、3−クロロ−2−アシッドホスホキシプロピル(メタ)アクリレートなどのリン原子含有ビニル系モノマー類;2−ヒドロキシエチル(メタ)アクリレート、2−ヒドロキシプロピル(メタ)アクリレート、3−ヒドロキシプロピル(メタ)アクリレート、2−ヒドロキシブチル(メタ)アクリレート、3−ヒドロキシブチル(メタ)アクリレート、4−ヒドロキシブチル(メタ)アクリレート、3−クロロ−2−ヒドロキシプロピル(メタ)アクリレート、ジ−2−ヒドロキシエチルフマレートもしくはモノ−2−ヒドロキシエチルモノブチルフマレートまたは、ポリプロピレングリコールもしくは、ポリエチレングリコールモノ(メタ)アクリレート、あるいは「プラクセルFM、FAモノマー」(ダイセル化学株式会社製のカプロラクトン付加モノマー)の等の重合性不飽和カルボン酸のヒドロキシアルキルエステル類またはこれらとε−カプロラクトンとの付加物などをはじめ、(メタ)アクリル酸、クロトン酸、マレイン酸、フマル酸、イタコン酸もしくはシトラコン酸の等の不飽和モノ−ないしはジカルボン酸をはじめ、これらのジカルボン酸と1価のアルコールとのモノエステル類などの重合性不飽和カルボン酸類、または前記の重合性不飽和カルボン酸ヒドロキシアルキルエステル類とマレイン酸、コハク酸、フタル酸、ヘキサヒドロフタル酸、テトラヒドロフタル酸、ヘンゼントリカルボン酸、ベンゼンテトラカルボン酸、「ハイミック酸」、テトラクロルフタル酸もしくはドデシニルコハク酸の等のポリカルボン酸の無水物との付加物のような各種の不飽和カルボン酸類と「カージュラE」、やし油脂肪酸グリシジルエステルもしくはオクチル酸グリシジルエステルの等の1価のカルボン酸のモノグリシジルエステルまたはブチルグリシジルエーテル、エチレンオキシド、もしくはプロピレンオキシドの等のモノエポキシ化合物との付加物またはこれらとε−カプロラクトンとの付加物あるいはヒドロキシビニルエーテルのような水酸基含有重合性不飽和単量体類;ジメチルアミノエチル(メタ)アクリレート、ジエチルアミノエチル(メタ)アクリレートなどのジアルキルアミノアルキル(メタ)アクリレート類;グリシジル(メタ)アクリレート、(β−メチル)グルシジル(メタ)アクリレート、(メタ)アリルグルシジルエーテルもしくは重合性不飽和カルボン酸類またはモノ−2−(メタ)アクリロイルオキシモノエチルフタレートの等の水酸基含有ビニルモノマーと前記ポリカルボン酸無水物との等モル付加物の等の各種の不飽和カルボン酸に、「エピクロン200」、「エピクロン400」、「エピクロン441」、「エピクロン850」もしくは「エピクロン1050」(大日本インキ化学工業(株)製のエポキシ樹脂〕、または「エピコート828」、「エピコート1001」もしくは「エピコート1004」(ジャパンエポキシレジン株式会社製エポキシ樹脂)、「アラルダイト6071」もしくは「アラルダイト6084」(スイス国チバ・ガイギー社製のエポキシ樹脂)、さらには「チッソノックス221」〔チッソ株式会社製のエポキシ化合物〕、または「デナコールEX−611」〔長瀬化成株式会社製のエポキシ化合物の等の、1分子中に少なくとも2個のエポキシ基を有する各種のポリエポキシ化合物を等モル比で付加反応させて得られるエポキシ基含有重合性化合物などのエポキシ基含有重合性不飽和単量体類;2−ヒドロキシエチル(メタ)アクリレート−ヘキサメチレンジイソシアネート等モル付加物や、イソシアネートエチル(メタ)アクリレートの等のイソシアネート基とビニル基とを有するモノマーなどのイソシアネート基含有α,β−エチレン性不飽和単量体類;ビニルエトキシシラン、α−メタクリロキシプロピルトリメトキシシラン、トリメチルシロキシエチル(メタ)アクリレート、「KR−215、X−22−5002」(信越化学工業株式会社製品)等のシリコン系モノマー類などのアルコキシシリル基含有重合性不飽和単量体類;そして、(メタ)アクリル酸、クロトン酸、マレイン酸、フマル酸、イタコン酸もしくはシトラコン酸の等の不飽和モノ−もしくはジカルボン酸をはじめ、これらのジカルボン酸と1価アルコールとのモノエステル類などのα,β−エチレン性不飽和カルボン酸類、または2−ヒドロキシエチル(メタ)アクリレート、2−ヒドロキシプロピル(メタ)アクリレート、3−ヒドロキシプロピル(メタ)アクリレート、2−ヒドロキシブチル(メタ)アクリレート、3−ヒドロキシブチル(メタ)アクリレート、4−ヒドロキシブチル(メタ)アクリレート、3−クロロ−2−ヒドロキシプロピル(メタ)アクリレート、ジ−2−ヒドロキシエチルフマレート、モノ−2−ヒドロキシエチル−モノブチルフマレートもしくはポリエチレングリコールモノ(メタ)アクリレートの等のα,β−不飽和カルボン酸ヒドロアルキルエステル類とマレイン酸、コハク酸、フタル酸、ヘキサヒドロフタル酸、テトラヒドロフタル酸、ベンゼントリカルボン酸、ベンゼンテトラカルボン酸、「ハイミック酸」、テトラクロルフタル酸もしくはドデシニルコハク酸の等のポリカルボン酸の無水物との付加物などのカルボキシル基含有α,β−エチレン性不飽和単量体類などがある。
中でも、メチル(メタ)アクリレート、エチル(メタ)アクリレート等のC3以下のアルキル(メタ)アクリレート類の使用が好ましい。さらに、顔料表面の表面特性を変化させ、顔料分散剤あるいは顔料分散樹脂との相互作用を高めるために、少なくとも1種のカルボキシル基、スルホン酸基、リン酸基、ヒドロキシル基、ジメチルアミノ基等の官能基を含有する重合性不飽和単量体を、共重合する事が好ましい。
(Polymerizable unsaturated monomer (B-2) that is soluble in a non-aqueous solvent and becomes insoluble or hardly soluble after polymerization)
The polymerizable unsaturated monomer (B-2) used in the present invention that is soluble in the non-aqueous solvent and becomes insoluble or hardly soluble after polymerization is specifically exemplified by methyl (meth) acrylate, Olefins such as ethyl (meth) acrylate, n-propyl (meth) acrylate or i-propyl (meth) acrylate, or (meth) acrylonitrile, vinyl acetate, vinyl chloride, vinylidene chloride, vinyl fluoride or vinylidene fluoride, etc. Vinyl monomers having no so-called reactive polar group (functional group); (meth) acrylamide, dimethyl (meth) acrylamide, Nt-butyl (meth) acrylamide, N-octyl (meth) acrylamide, di Acetone acrylamide, dimethylaminopropyl acrylamide or alkoxylated N Amide bond-containing vinyl monomers such as methylolated (meth) acrylamides; dialkyl [(meth) acryloyloxyalkyl] phosphates or (meth) acryloyloxyalkyl acid phosphates, or dialkyl [(meth) acryloyloxy Alkyl] phosphites or (meth) acryloyloxyalkyl acid phosphites; alkylene oxide adducts of the above (meth) acryloyloxyalkyl acid phosphates or acid phosphites, glycidyl (meth) acrylates and methylglycidyl (meta ) Ester compounds of epoxy group-containing vinyl monomers such as acrylate and phosphoric acid or phosphorous acid or their acidic esters, as well as 3-chloro-2-acid phosphoxip Phosphorus atom-containing vinyl monomers such as pill (meth) acrylate; 2-hydroxyethyl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, 3-hydroxypropyl (meth) acrylate, 2-hydroxybutyl (meth) acrylate 3-hydroxybutyl (meth) acrylate, 4-hydroxybutyl (meth) acrylate, 3-chloro-2-hydroxypropyl (meth) acrylate, di-2-hydroxyethyl fumarate or mono-2-hydroxyethyl monobutyl fuma Rate or polymerizable unsaturated caps such as polypropylene glycol or polyethylene glycol mono (meth) acrylate or “Placcel FM, FA monomer” (caprolactone addition monomer manufactured by Daicel Chemical Industries, Ltd.) Hydroxyalkyl esters of boronic acid or adducts thereof with ε-caprolactone, unsaturated mono- or dicarboxylic acids such as (meth) acrylic acid, crotonic acid, maleic acid, fumaric acid, itaconic acid or citraconic acid In addition to acids, polymerizable unsaturated carboxylic acids such as monoesters of these dicarboxylic acids and monohydric alcohols, or the above-mentioned polymerizable unsaturated carboxylic acid hydroxyalkyl esters and maleic acid, succinic acid, phthalic acid, Hexahydrophthalic acid, tetrahydrophthalic acid, hensentricarboxylic acid, benzenetetracarboxylic acid, “hymic acid”, various adducts such as adducts with polycarboxylic acid anhydrides such as tetrachlorophthalic acid or dodecynyl succinic acid. Saturated carboxylic acids and “Cardura E”, palm oil fat A monoglycidyl ester of a monovalent carboxylic acid such as glycidyl ester or glycidyl octyl ester, or an adduct of a monoepoxy compound such as butyl glycidyl ether, ethylene oxide or propylene oxide, or an adduct of these with ε-caprolactone Hydroxyl-containing polymerizable unsaturated monomers such as hydroxy vinyl ether; Dialkylaminoalkyl (meth) acrylates such as dimethylaminoethyl (meth) acrylate and diethylaminoethyl (meth) acrylate; Glycidyl (meth) acrylate, (β- Methyl) glucidyl (meth) acrylate, (meth) allyl glycidyl ether or polymerizable unsaturated carboxylic acids or mono-2- (meth) acryloyloxymonoethyl phthalate In various unsaturated carboxylic acids such as an equimolar adduct of the hydroxyl group-containing vinyl monomer and the polycarboxylic acid anhydride, “Epicron 200”, “Epicron 400”, “Epicron 441”, “Epicron 850” "Epicron 1050" (epoxy resin manufactured by Dainippon Ink & Chemicals, Inc.), "Epicoat 828", "Epicoat 1001" or "Epicoat 1004" (Epoxy resin manufactured by Japan Epoxy Resin Co., Ltd.), "Araldite 6071" Araldite 6084 "(epoxy resin manufactured by Ciba-Geigy, Switzerland), and also" Chissonox 221 "[epoxy compound manufactured by Chisso Corporation] or" Denacol EX-611 "[epoxy compound manufactured by Nagase Kasei Co., Ltd.] At least 2 per molecule, such as Epoxy group-containing polymerizable unsaturated monomers such as epoxy group-containing polymerizable compounds obtained by addition reaction of various polyepoxy compounds having an epoxy group at an equimolar ratio; 2-hydroxyethyl (meth) acrylate Isocyanate group-containing α, β-ethylenically unsaturated monomers such as hexamethylene diisocyanate equimolar adducts and monomers having an isocyanate group and a vinyl group such as isocyanate ethyl (meth) acrylate; vinyl ethoxysilane, α -Polyalkoxysilyl group-containing polymerizable non-polymerizable monomers such as methacryloxypropyltrimethoxysilane, trimethylsiloxyethyl (meth) acrylate, silicon monomers such as “KR-215, X-22-5002” (product of Shin-Etsu Chemical Co., Ltd.) Saturated monomers; and (meth) acrylic acid, black Unsaturated mono- or dicarboxylic acids such as tonic acid, maleic acid, fumaric acid, itaconic acid or citraconic acid, and α, β-ethylenically unsaturated compounds such as monoesters of these dicarboxylic acids with monohydric alcohols Carboxylic acids, or 2-hydroxyethyl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, 3-hydroxypropyl (meth) acrylate, 2-hydroxybutyl (meth) acrylate, 3-hydroxybutyl (meth) acrylate, 4 -Hydroxybutyl (meth) acrylate, 3-chloro-2-hydroxypropyl (meth) acrylate, di-2-hydroxyethyl fumarate, mono-2-hydroxyethyl-monobutyl fumarate or polyethylene glycol mono (meth) acrylate Etc. α, β-unsaturated carboxylic acid hydroalkyl esters and maleic acid, succinic acid, phthalic acid, hexahydrophthalic acid, tetrahydrophthalic acid, benzenetricarboxylic acid, benzenetetracarboxylic acid, “hymic acid”, tetrachlorophthalic acid or And carboxyl group-containing α, β-ethylenically unsaturated monomers such as adducts of polycarboxylic acid anhydrides such as dodecynyl succinic acid.
Of these, the use of C3 or lower alkyl (meth) acrylates such as methyl (meth) acrylate and ethyl (meth) acrylate is preferred. Furthermore, in order to change the surface characteristics of the pigment surface and enhance the interaction with the pigment dispersant or pigment dispersion resin, at least one kind of carboxyl group, sulfonic acid group, phosphoric acid group, hydroxyl group, dimethylamino group, etc. It is preferable to copolymerize a polymerizable unsaturated monomer containing a functional group.
また、ポリマーコート顔料の使用時に顔料からポリマーを溶出させないために、該ポリマーは架橋していると尚好ましい。架橋成分として使用するの多官能重合性不飽和単量体としては、例えば、ジビニルベンゼン、エチレングリコールジ(メタ)アクリレート、ジエチレングリコールジ(メタ)アクリレート、トリエチレングリコールジ(メタ)アクリレート、ポリエチレングリコールジ(メタ)アクリレート、1,3−ブタンジオールジ(メタ)アクリレート、1,4−ブタンジオールジ(メタ)アクリレート、1,6−ヘキサンジオールジ(メタ)アクリレート、ネオペンチルグリコールジメタクリレート、トリメチロールプロパントリエトキシトリ(メタ)アクリレート、トリメチロールプロパントリ(メタ)アクリレート、ペンタエリスリトールトリ(メタ)アクリレート、ペンタエリスリトールテトラ(メタ)アクリレート、ジペンタエリスリトールヘキサ(メタ)アクリレート、またはアリルメタクリレート等が挙げられる。 In order to prevent the polymer from eluting from the pigment when the polymer coat pigment is used, it is more preferable that the polymer is crosslinked. Examples of the polyfunctional polymerizable unsaturated monomer used as a crosslinking component include divinylbenzene, ethylene glycol di (meth) acrylate, diethylene glycol di (meth) acrylate, triethylene glycol di (meth) acrylate, polyethylene glycol di (Meth) acrylate, 1,3-butanediol di (meth) acrylate, 1,4-butanediol di (meth) acrylate, 1,6-hexanediol di (meth) acrylate, neopentyl glycol dimethacrylate, trimethylolpropane Triethoxytri (meth) acrylate, trimethylolpropane tri (meth) acrylate, pentaerythritol tri (meth) acrylate, pentaerythritol tetra (meth) acrylate, dipentaerythritol Hexa (meth) acrylate or allyl methacrylate and the like.
また、少なくとも1種の該非水溶媒に可溶でありかつ重合後に不溶もしくは難溶になる重合性不飽和単量体(B−2)を必須成分とするポリマーが該非水溶媒系で溶解しない使用範囲において、その他の重合性不飽和単量体を使用してもよい。その他の重合性不飽和単量体としては、例えば前述の炭素原子数4個以上のアルキル基を有するアルキル(メタ)アクリレートや前記のアルキル(メタ)アクリレート以外の使用が可能な重合性不飽和単量体が挙げられる。 Use of a polymer that is soluble in at least one non-aqueous solvent and that contains a polymerizable unsaturated monomer (B-2) that is insoluble or hardly soluble after polymerization as an essential component does not dissolve in the non-aqueous solvent system In the range, other polymerizable unsaturated monomers may be used. Examples of other polymerizable unsaturated monomers include polymerizable unsaturated monomers that can be used other than the alkyl (meth) acrylate having an alkyl group having 4 or more carbon atoms and the alkyl (meth) acrylate described above. A monomer is mentioned.
本発明のポリマーコート顔料は、顔料(A)、非水溶媒、及び該非水溶媒に可溶な重合性不飽和基を含有するポリマー(B−1)の存在下で、該非水溶媒に可溶でありかつ重合後に不溶もしくは難溶になる少なくとも1種の重合性不飽和単量体(B−2)を重合させることで得られる。
顔料(A)と非水溶媒に可溶な重合性不飽和基を含有するポリマー(B−1)は、重合を行う前に混合することが好ましい。混合方法としては、例えば、ホモジナイザー、ディスパー、ビーズミル、ペイントシェーカー、ニーダー、ロールミル、ボールミル、アトライター、サンドミル等を使用することが可能である。本発明においては、使用する顔料の形態は問わず、スラリー、ウエットケーキ、粉体のいずれの形態でもかまわない。即ち、本発明の製造方法においては、ウエットケーキのような水を含む顔料であっても使用可能である。
前記顔料(A)と前記ポリマー(B−1)の混合後に、重合性不飽和単量体(B−2)および後述の重合開始剤をさらに混合し、重合を行う事でポリマーコート顔料が得られる。
その際、前記ポリマー(B−1)の使用量は目的に応じて適宜最適化されるので特に限定はないが、通常は顔料(A)100部に対して1〜200部を使用し、より好ましくは5〜50部、さらに好ましくは5〜30部である。
また、前記重合性不飽和単量体(B−2)の使用量も、目的に応じて適宜最適化されるので特に限定はないが、通常は顔料(A)100部に対して1〜200部を使用し、より好ましくは5〜50部、さらに好ましくは5〜30部である。
The polymer-coated pigment of the present invention is soluble in the non-aqueous solvent in the presence of the pigment (A), the non-aqueous solvent, and the polymer (B-1) containing a polymerizable unsaturated group soluble in the non-aqueous solvent. And at least one polymerizable unsaturated monomer (B-2) that is insoluble or hardly soluble after polymerization.
The pigment (A) and the polymer (B-1) containing a polymerizable unsaturated group soluble in a non-aqueous solvent are preferably mixed before polymerization. As a mixing method, for example, a homogenizer, a disper, a bead mill, a paint shaker, a kneader, a roll mill, a ball mill, an attritor, a sand mill and the like can be used. In the present invention, the form of the pigment to be used is not limited, and any form of slurry, wet cake, and powder may be used. That is, in the production method of the present invention, even a pigment containing water such as a wet cake can be used.
After mixing the pigment (A) and the polymer (B-1), a polymerizable unsaturated monomer (B-2) and a polymerization initiator described later are further mixed and polymerized to obtain a polymer-coated pigment. It is done.
At that time, the amount of the polymer (B-1) used is not particularly limited because it is appropriately optimized according to the purpose, but usually 1 to 200 parts is used with respect to 100 parts of the pigment (A). Preferably it is 5-50 parts, More preferably, it is 5-30 parts.
Further, the amount of the polymerizable unsaturated monomer (B-2) used is also not particularly limited since it is appropriately optimized depending on the purpose, but is usually 1 to 200 with respect to 100 parts of the pigment (A). Parts, more preferably 5 to 50 parts, still more preferably 5 to 30 parts.
最終的に顔料にコートされる前記ポリマー(B)の量は、顔料(A)100部に対して、2〜400部が好ましく使用され、より好ましくは10〜100部、さらに好ましくは10〜60部である。その際、前記ポリマー(B−1)の100部に対して、少なくとも1種の前記重合性不飽和単量体(B−2)は通常10〜400部の割合で使用することが好ましく、好ましくは30〜400部、さらに好ましくは50〜200部である。 The amount of the polymer (B) finally coated on the pigment is preferably 2 to 400 parts, more preferably 10 to 100 parts, and still more preferably 10 to 60 parts per 100 parts of the pigment (A). Part. In that case, it is preferable that at least one kind of the polymerizable unsaturated monomer (B-2) is usually used at a ratio of 10 to 400 parts, preferably 100 parts of the polymer (B-1). Is 30 to 400 parts, more preferably 50 to 200 parts.
前記顔料(A)、前記非水溶媒、及び前記ポリマー(B−1)の存在下で、前記重合性不飽和単量体(B−2)を重合させる方法は、公知慣用の重合方法によって行えばよいが、通常は重合開始剤の存在下で行う。かかる重合開始剤としては、アゾビスイソブチロニトリル(AIBN)、2,2−アゾビス(2−メチルブチロニトリル)、ベンゾイルパーオキシド、t−ブチルパーベンゾエート、t−ブチル−2−エチルヘキサノエート、t−ブチルハイドロパーオキシド、ジ−t−ブチルパーオキシド、またはクメンハイドロパーオキシドなどのラジカル発生重合触媒が単独で、あるいは2種以上の併用の形で用いられる。
重合開始剤は該非水溶媒系に溶解し難いものもあるため、前記重合性不飽和単量体(B−2)に溶解し、顔料(A)と前記ポリマー(B−1)の混合系に加える方法が好ましい。
また、前記重合性不飽和単量体(B−2)あるいは重合開始剤を溶解した前記重合性不飽和単量体(B−2)は、重合温度に達した状態で滴下法により加えることもできるが、昇温前の常温の状態で加え、充分に混合された後に昇温し、重合させる方法が安定であり好ましい。
重合温度は通常60℃〜130℃の範囲である。また顔料(A)が有機顔料の場合、重合温度があまり高温では該顔料の変質や結晶成長などの形態変化が著しい場合があるため、その場合は70〜100℃で重合することが好ましい。
A method for polymerizing the polymerizable unsaturated monomer (B-2) in the presence of the pigment (A), the non-aqueous solvent, and the polymer (B-1) is carried out by a known polymerization method. Usually, it is carried out in the presence of a polymerization initiator. Such polymerization initiators include azobisisobutyronitrile (AIBN), 2,2-azobis (2-methylbutyronitrile), benzoyl peroxide, t-butyl perbenzoate, t-butyl-2-ethylhexano A radical generating polymerization catalyst such as ate, t-butyl hydroperoxide, di-t-butyl peroxide, or cumene hydroperoxide may be used alone or in combination of two or more.
Since some polymerization initiators are difficult to dissolve in the non-aqueous solvent system, the polymerization initiator dissolves in the polymerizable unsaturated monomer (B-2) and forms a mixed system of the pigment (A) and the polymer (B-1). The method of adding is preferred.
The polymerizable unsaturated monomer (B-2) in which the polymerizable unsaturated monomer (B-2) or the polymerization initiator is dissolved may be added by a dropping method in a state where the polymerization temperature is reached. However, a method of adding at a normal temperature before raising the temperature and raising the temperature after sufficiently mixing and polymerizing is stable and preferable.
The polymerization temperature is usually in the range of 60 ° C to 130 ° C. In addition, when the pigment (A) is an organic pigment, if the polymerization temperature is too high, the pigment may undergo significant changes in form such as alteration and crystal growth. In that case, it is preferable to polymerize at 70 to 100 ° C.
重合後、ろ過により重合に使用した非水溶媒等を除去し、さらに乾燥、粉砕を行う事で粉体のポリマーコート顔料として得ることができる。ろ過方法には、ヌッチェ、フィルタープレス等を使用できる。また乾燥には、箱型乾燥機、真空乾燥機、バンド乾燥機、スプレードライヤー等の公知の乾燥装置により乾燥することができる。また粉砕には、乳鉢、ハンマーミル、ディスクミル、ピンミル、ジェットミル等の公知の粉砕装置を使用することができる。 After the polymerization, the nonaqueous solvent used for the polymerization is removed by filtration, followed by drying and pulverization to obtain a powdery polymer-coated pigment. Nutsche, filter press, etc. can be used for the filtration method. Moreover, it can dry with well-known drying apparatuses, such as a box-type dryer, a vacuum dryer, a band dryer, and a spray dryer. For the pulverization, a known pulverization apparatus such as a mortar, hammer mill, disk mill, pin mill, jet mill or the like can be used.
以下、本発明を実施例により説明する。特に断りのない限り、「部」および「%」は質量基準である。 Hereinafter, the present invention will be described with reference to examples. Unless otherwise specified, “parts” and “%” are based on mass.
<参考例1 非水溶媒に可溶な重合性不飽和基を含有するポリマー(B−1−1)の合成>
温度計、攪拌機、還流冷却器および窒素ガス導入管を備えた四つ口フラスコに、ヘプタンの800部、酢酸ブチルの170部を仕込んで90℃に昇温し、同温度に達したところで、アクリル酸ブチルの985部、メタクリル酸の15部、2,2’−アゾビス(2−メチルブチロニトリル)の7部からなる混合物を5時間かけて滴下し、滴下終了後も、同温度に10時間保持して反応を続行した。
反応液の温度を50℃に下げ、t−ブチルピロカテコールの0.2部を酢酸ブチルの15部に溶解した溶液を加え、さらにグリシジルメタクリレートの15部、ジメチルアミノエタノールの30部を加えた後に、80℃まで昇温し、同温度で10時間反応を行う事で、非水溶媒に可溶な重合性不飽和基を含有するポリマー(B−1−1)の溶液を得た。配合比を表1に示す。
<Reference Example 1 Synthesis of Polymer (B-1-1) Containing Polymerizable Unsaturated Group Soluble in Nonaqueous Solvent>
A four-necked flask equipped with a thermometer, a stirrer, a reflux condenser and a nitrogen gas inlet tube was charged with 800 parts of heptane and 170 parts of butyl acetate, and the temperature was raised to 90 ° C. A mixture consisting of 985 parts of butyl acid, 15 parts of methacrylic acid, and 7 parts of 2,2′-azobis (2-methylbutyronitrile) was added dropwise over 5 hours. The reaction was continued with holding.
After the temperature of the reaction solution was lowered to 50 ° C., a solution in which 0.2 part of t-butylpyrocatechol was dissolved in 15 parts of butyl acetate was added, and then 15 parts of glycidyl methacrylate and 30 parts of dimethylaminoethanol were added. The solution was heated to 80 ° C. and reacted at the same temperature for 10 hours to obtain a polymer (B-1-1) solution containing a polymerizable unsaturated group soluble in a non-aqueous solvent. The blending ratio is shown in Table 1.
<参考例2〜7 非水溶媒に可溶な重合性不飽和基を含有するポリマー(B−1−2)〜(B−1−7)の合成>
配合比を表1に記載の配合比とする以外は、参考例1と同様の方法により重合性不飽和基含有ポリマー(B−1−2)〜(B−1−7)を得た。
<Reference Examples 2 to 7 Synthesis of polymers (B-1-2) to (B-1-7) containing polymerizable unsaturated groups soluble in a non-aqueous solvent>
Polymerizable unsaturated group-containing polymers (B-1-2) to (B-1-7) were obtained in the same manner as in Reference Example 1 except that the blending ratio was changed to the blending ratio shown in Table 1.
重合開始剤1:2,2’−アゾビス(2−メチルブチロニトリル)
重合開始剤2:t−ブチルパーオキシ−2−エチルヘキサノエート
−Ac:アクリレートの略称である。
−MAc:メタアクリレートの略称である。
Polymerization initiator 1: 2,2′-azobis (2-methylbutyronitrile)
Polymerization initiator 2: t-butylperoxy-2-ethylhexanoate-Ac: Abbreviation for acrylate.
-MAc: Abbreviation for methacrylate.
<比較参考例1>
温度計、攪拌機、還流冷却器および窒素ガス導入管を備えた四つ口フラスコに、酢酸ブチルの800部を仕込んで90℃に昇温し、同温度に達したところで、2−エチルヘキシルメタクリレートの500部、マクロモノマー AS−6(東亜合成株式会社製ポリスチレンマクロモノマー、分子量6000)の500部、酢酸ブチルの200部、2,2’−アゾビス(2−メチルブチロニトリル)の10部からなる混合物を5時間かけて滴下し、滴下終了後も、同温度に12時間保持して反応を続行することで、ポリ(2−エチルヘキシルメタクリレート)−ポリスチレングラフト共重合体を得た。
<Comparative Reference Example 1>
A four-necked flask equipped with a thermometer, a stirrer, a reflux condenser and a nitrogen gas inlet tube was charged with 800 parts of butyl acetate and heated to 90 ° C. When the temperature reached that temperature, 500 of 2-ethylhexyl methacrylate was added. Parts, 500 parts of macromonomer AS-6 (Toa Gosei Co., Ltd. polystyrene macromonomer, molecular weight 6000), 200 parts of butyl acetate, 10 parts of 2,2'-azobis (2-methylbutyronitrile) Was added dropwise over 5 hours, and after completion of dropping, the reaction was continued for 12 hours at the same temperature to obtain a poly (2-ethylhexyl methacrylate) -polystyrene graft copolymer.
<比較参考例2>
温度計、攪拌機、還流冷却器および窒素ガス導入管を備えた四つ口フラスコに、ヘプタンの900部、酢酸ブチルの100部を仕込んで90℃に昇温し、同温度に達したところで、アクリル酸ブチルの1000部、2,2’−アゾビス(2−メチルブチロニトリル)の10部からなる混合物を5時間かけて滴下し、滴下終了後も、同温度に10時間保持して反応を続行する事で、アクリル酸ブチルのホモポリマーを得た。
<Comparative Reference Example 2>
A four-necked flask equipped with a thermometer, stirrer, reflux condenser and nitrogen gas inlet tube was charged with 900 parts of heptane and 100 parts of butyl acetate, heated to 90 ° C., and when the same temperature was reached, acrylic A mixture of 1000 parts of butyl acid and 10 parts of 2,2′-azobis (2-methylbutyronitrile) was added dropwise over 5 hours, and after completion of the addition, the reaction was continued for 10 hours at the same temperature. As a result, a homopolymer of butyl acrylate was obtained.
<実施例1 ポリマーコート顔料(1)の合成>
ファーストゲンブルーFGF(大日本インキ化学工業株式会社のブルー顔料)のウェットケーキ(顔料分48%)の208部、参考例1で得られたポリマー(B−1−1)の20部、1.25mmのジルコニアビーズの600部、ヘプタンの300部をポリエチレン広口瓶に入れ、ペイントシェーカー(東洋精機株式会社)で60分間混合を行った。ヘプタンの200部で希釈した後、ジルコニアビーズを除去し、顔料混合液を作成した。
得られた顔料混合液の400部を温度計、攪拌機、還流冷却器および窒素ガス導入管を備えたセパラブルフラスコに仕込んだ後、重合性単量体(B−2−2)としてt−ブチルアクリルアミドスルホン酸の1.6部を20部のイオン交換水に溶解したものを加え、さらにメタクリル酸メチルの5部およびエチレングリコールジメタクリレートの5部の重合性単量体組成物に2,2’−アゾビス(2−メチルブチロニトリル)の2部を溶解したものおよびヘプタンの200部を加えた。室温で30分間攪拌を続けた後、80℃に昇温し、同温度で15時間反応を続けた。降温後、濾過を行う事で、ポリマー処理顔料と重合溶剤を分離した。得られたポリマー顔料を熱風乾燥機により100℃で5時間乾燥後、粉砕機にて粉砕を行う事で、ポリマーコート顔料(1)を得た。
<Synthesis of Example 1 Polymer Coated Pigment (1)>
208 parts of wet cake (pigment content 48%) of Fast Gen Blue FGF (Dai Nippon Ink Chemical Co., Ltd.), 20 parts of the polymer (B-1-1) obtained in Reference Example 1. 600 parts of 25 mm zirconia beads and 300 parts of heptane were placed in a polyethylene jar and mixed for 60 minutes with a paint shaker (Toyo Seiki Co., Ltd.). After dilution with 200 parts of heptane, the zirconia beads were removed to prepare a pigment mixture.
400 parts of the obtained pigment mixed solution was charged into a separable flask equipped with a thermometer, a stirrer, a reflux condenser and a nitrogen gas inlet tube, and then t-butyl as a polymerizable monomer (B-2-2). A solution obtained by dissolving 1.6 parts of acrylamide sulfonic acid in 20 parts of ion-exchanged water and adding 5 parts of methyl methacrylate and 5 parts of ethylene glycol dimethacrylate to 2,2 ′ -2 parts of azobis (2-methylbutyronitrile) dissolved and 200 parts of heptane were added. After stirring for 30 minutes at room temperature, the temperature was raised to 80 ° C., and the reaction was continued for 15 hours at the same temperature. After cooling, the polymer-treated pigment and the polymerization solvent were separated by filtration. The obtained polymer pigment was dried with a hot air dryer at 100 ° C. for 5 hours and then pulverized with a pulverizer to obtain a polymer-coated pigment (1).
<実施例2〜11 ポリマーコート顔料(2)〜(11)の合成>
使用する顔料(A)、ポリマー(B−1−1)、非水溶媒を表2及び表3に記載の顔料、及びポリマー(B−1)に変更する以外は実施例1と同様にして、顔料混合液を作成した。
得られた顔料混合液の400部を使用し、重合性単量体(B−2)を表2、及び表3に記載の重合性単量体に変更した以外は実施例1と同様にして、ポリマーコート顔料(2)〜(11)を得た。
<Examples 2 to 11 Synthesis of polymer-coated pigments (2) to ( 11 )>
Except for changing the pigment (A), polymer (B-1-1), and non-aqueous solvent used to the pigments listed in Tables 2 and 3 and the polymer (B-1), the same as in Example 1, A pigment mixture was prepared.
400 parts of the obtained pigment mixed solution was used, and the same procedure as in Example 1 was conducted except that the polymerizable monomer (B-2) was changed to the polymerizable monomers described in Table 2 and Table 3. Polymer-coated pigments (2) to ( 11 ) were obtained.
表2中、
AB−6は、マクロモノマー (東亜合成株式会社製ポリブチルアクリレートマクロモノマー)
ファーストゲンブルーFGF(ウェットケーキ) C.I.Pigment Blue 15:3は、(大日本インキ化学工業株式会社製ブルー顔料) 顔料成分48.0%
ファーストゲンブルーFGF(粉体) C.I.Pigment Blue 15:3は、(大日本インキ化学工業株式会社製ブルー顔料)
シムラーファーストレッド4590(粉体) C.I.Pigment Red 146は、(大日本インキ化学工業株式会社製レッド顔料)
ファーストゲングリーンS(ウエットケーキ) C.I.Pigment Green 7は、(大日本インキ化学工業株式会社製グリーン顔料) 顔料成分 46%
ファーストゲングリーン2YK(粉体) C.I.Pigment Green 36は、(大日本インキ化学工業株式会社製グリーン顔料)
シムラーファーストイエロー4400T(粉体) C.I.Pigment Yellow 14は、(大日本インキ化学工業株式会社製イエロー顔料)
タイペーク CR−93(粉体)酸化チタンは、(石原産業株式会社製ルチル型酸化チタン顔料)
重合開始剤1:2,2’−アゾビス(2−メチルブチロニトリル)
重合開始剤2:t−ブチルパーオキシ−2−エチルヘキサノエート
−Ac:アクリレートの略称である。
−MAc:メタアクリレートの略称である。
In Table 2,
AB-6 is a macromonomer (polybutyl acrylate macromonomer manufactured by Toa Gosei Co., Ltd.)
Fast Gen Blue FGF (wet cake) C.I. I. Pigment Blue 15: 3 (Dai Nippon Ink Chemical Co., Ltd. Blue Pigment) Pigment component 48.0%
Fast Gen Blue FGF (powder) C.I. I. Pigment Blue 15: 3 (Dai Nippon Ink Chemical Co., Ltd. Blue Pigment)
Shimla First Red 4590 (powder) C.I. I. Pigment Red 146 (Dai Nippon Ink Chemical Co., Ltd. Red Pigment)
Fast Gen Green S (wet cake) C.I. I. Pigment Green 7 (Green pigment manufactured by Dainippon Ink and Chemicals, Inc.) Pigment component 46%
Fast Gen Green 2YK (powder) C.I. I. Pigment Green 36 (Dai Nippon Ink Chemical Co., Ltd. Green Pigment)
Shimla First Yellow 4400T (powder) C.I. I. Pigment Yellow 14 (Dai Nippon Ink Chemical Co., Ltd. yellow pigment)
Typeke CR-93 (powder) titanium oxide (rutile titanium oxide pigment made by Ishihara Sangyo Co., Ltd.)
Polymerization initiator 1: 2,2′-azobis (2-methylbutyronitrile)
Polymerization initiator 2: t-butylperoxy-2-ethylhexanoate-Ac: Abbreviation for acrylate.
-MAc: Abbreviation for methacrylate.
AB−6は、マクロモノマー (東亜合成株式会社製ポリブチルアクリレートマクロモノマー)
ファーストゲンブルーFGF(ウェットケーキ) C.I.Pigment Blue 15:3は、(大日本インキ化学工業株式会社製ブルー顔料) 顔料成分48.0%
ファーストゲンブルーFGF(粉体) C.I.Pigment Blue 15:3は、(大日本インキ化学工業株式会社製ブルー顔料)
シムラーファーストレッド4590(粉体) C.I.Pigment Red 146は、(大日本インキ化学工業株式会社製レッド顔料)
ファーストゲングリーンS(ウエットケーキ) C.I.Pigment Green 7は、(大日本インキ化学工業株式会社製グリーン顔料) 顔料成分 46%
ファーストゲングリーン2YK(粉体) C.I.Pigment Green 36は、(大日本インキ化学工業株式会社製グリーン顔料)
シムラーファーストイエロー4400T(粉体) C.I.Pigment Yellow 14は、(大日本インキ化学工業株式会社製イエロー顔料)
タイペーク CR−93(粉体)酸化チタンは、(石原産業株式会社製ルチル型酸化チタン顔料)
重合開始剤1:2,2’−アゾビス(2−メチルブチロニトリル)
重合開始剤2:t−ブチルパーオキシ−2−エチルヘキサノエート
−Ac:アクリレートの略称である。
−MAc:メタアクリレートの略称である。
AB-6 is a macromonomer (polybutyl acrylate macromonomer manufactured by Toa Gosei Co., Ltd.)
Fast Gen Blue FGF (wet cake) C.I. I. Pigment Blue 15: 3 (Dai Nippon Ink Chemical Co., Ltd. Blue Pigment) Pigment component 48.0%
Fast Gen Blue FGF (powder) C.I. I. Pigment Blue 15: 3 (Dai Nippon Ink Chemical Co., Ltd. Blue Pigment)
Shimla First Red 4590 (powder) C.I. I. Pigment Red 146 (Dai Nippon Ink Chemical Co., Ltd. Red Pigment)
Fast Gen Green S (wet cake) C.I. I. Pigment Green 7 (Green pigment manufactured by Dainippon Ink and Chemicals, Inc.) Pigment component 46%
Fast Gen Green 2YK (powder) C.I. I. Pigment Green 36 (Dai Nippon Ink Chemical Co., Ltd. Green Pigment)
Shimla First Yellow 4400T (powder) C.I. I. Pigment Yellow 14 (Dai Nippon Ink Chemical Co., Ltd. yellow pigment)
Typeke CR-93 (powder) titanium oxide (rutile titanium oxide pigment made by Ishihara Sangyo Co., Ltd.)
Polymerization initiator 1: 2,2′-azobis (2-methylbutyronitrile)
Polymerization initiator 2: t-butylperoxy-2-ethylhexanoate-Ac: Abbreviation for acrylate.
-MAc: Abbreviation for methacrylate.
<比較実施例1>
ファーストゲンブルーFGF(大日本インキ化学工業株式会社のブルー顔料)の粉体(顔料分100%)の100部、比較参考例1で得られたグラフト共重合体の20部、1.25mmのジルコニアビーズの600部、ヘプタンの400部をポリエチレン広口瓶に入れ、ペイントシェーカー(東洋精機株式会社)で60分間混合を行った。ヘプタンの200部で希釈した後、ジルコニアビーズを除去した。得られた顔料混合液の400部およびヘプタンの200部を温度計、攪拌機、還流冷却器および窒素ガス導入管を備えたセパラブルフラスコに仕込んだ後、攪拌しながら、メタクリル酸メチルの8部に2,2’−アゾビス(2−メチルブチロニトリル)の2部を溶解したものを加えた。室温で30分間攪拌を続けた後、80℃に昇温し、同温度で15時間反応を続けた。降温後、濾過を行ったがろ紙が目詰まりを起こし、ろ過に長時間を要した。また、ろ過液に多くのポリマー成分の析出が見られた。
<Comparative Example 1>
100 parts of powder (100% pigment content) of Fast Gen Blue FGF (Dai Nippon Ink Chemical Co., Ltd.), 20 parts of the graft copolymer obtained in Comparative Reference Example 1, 1.25 mm zirconia 600 parts of beads and 400 parts of heptane were placed in a polyethylene jar and mixed for 60 minutes with a paint shaker (Toyo Seiki Co., Ltd.). After dilution with 200 parts of heptane, the zirconia beads were removed. 400 parts of the obtained pigment mixture and 200 parts of heptane were charged into a separable flask equipped with a thermometer, stirrer, reflux condenser and nitrogen gas inlet tube, and then stirred into 8 parts of methyl methacrylate. A solution of 2 parts of 2,2′-azobis (2-methylbutyronitrile) was added. After stirring for 30 minutes at room temperature, the temperature was raised to 80 ° C., and the reaction was continued for 15 hours at the same temperature. After the temperature was lowered, filtration was performed, but the filter paper was clogged, and it took a long time for filtration. Moreover, precipitation of many polymer components was seen by the filtrate.
<比較実施例2>
ファーストゲングリーン2YK(大日本インキ化学工業株式会社のグリーン顔料)の粉体(顔料分100%)の100部、比較参考例2で得られたブチルアクリレートホモポリマーの30部、1.25mmのジルコニアビーズの600部、ヘプタンの400部をポリエチレン広口瓶に入れ、ペイントシェーカー(東洋精機株式会社)で60分間混合を行った。ヘプタンの200部で希釈した後、ジルコニアビーズを除去した。得られた顔料混合液の400部およびヘプタンの200部を温度計、攪拌機、還流冷却器および窒素ガス導入管を備えたセパラブルフラスコに仕込んだ後、攪拌しながら、メタクリル酸メチルの4部およびエチレングリコールジメタクリレートの4部に2,2’−アゾビス(2−メチルブチロニトリル)の2部を溶解したものを加えた。室温で30分間攪拌を続けた後、80℃に昇温し、同温度で15時間反応を続けた。降温後、濾過を行ったが、ろ紙が目詰まりを起こし、ろ過に長時間を要した。また、ろ過液に多くのポリマー成分の析出が見られた。
<Comparative Example 2>
100 parts of powder of Fastgen Green 2YK (Dai Nippon Ink Chemical Co., Ltd. green pigment) (pigment content 100%), 30 parts of butyl acrylate homopolymer obtained in Comparative Reference Example 2, 1.25 mm zirconia 600 parts of beads and 400 parts of heptane were placed in a polyethylene jar and mixed for 60 minutes with a paint shaker (Toyo Seiki Co., Ltd.). After dilution with 200 parts of heptane, the zirconia beads were removed. 400 parts of the obtained pigment mixed solution and 200 parts of heptane were charged into a separable flask equipped with a thermometer, a stirrer, a reflux condenser and a nitrogen gas introduction tube, and then 4 parts of methyl methacrylate and A solution of 2 parts of 2,2′-azobis (2-methylbutyronitrile) in 4 parts of ethylene glycol dimethacrylate was added. After stirring for 30 minutes at room temperature, the temperature was raised to 80 ° C., and the reaction was continued for 15 hours at the same temperature. Filtration was performed after the temperature dropped, but the filter paper was clogged and took a long time for filtration. Moreover, precipitation of many polymer components was seen by the filtrate.
<応用例1>
実施例1で得られたポリマーコート顔料(1)の5部およびアジスパーPB−821(味の素ファインテクノ株式会社製顔料分散剤)の2.1部を酢酸エチルの21.4部に溶解した溶液、1.25mmのジルコニアビーズの125部をポリエチレン広口瓶に入れ、ペイントシェーカー(東洋精機株式会社)で2時間分散を行った。酢酸エチルの7.1部を加え、ジルコニアビーズを除去した後、バーコーターNo.6によりガラス板に塗装した。室温にて、10時間乾燥後、ヘイズグロス計(BYKガードナー製品)にて、60°光沢を測定した結果、95あった。また、スペクトロアイ(SpectroEye)(GretagMacbeth社製品)により、シアンの濃度(OD値)を測定した結果、1.9であり、さらに塗装フィルムは良好な透明性を示しており、良好な顔料分散性を示す事が確認された。
<Application example 1>
A solution obtained by dissolving 5 parts of the polymer-coated pigment (1) obtained in Example 1 and 2.1 parts of Ajisper PB-821 (a pigment dispersant manufactured by Ajinomoto Fine Techno Co., Ltd.) in 21.4 parts of ethyl acetate, 125 parts of 1.25 mm zirconia beads were placed in a polyethylene jar and dispersed for 2 hours with a paint shaker (Toyo Seiki Co., Ltd.). After adding 7.1 parts of ethyl acetate and removing the zirconia beads, the bar coater no. 6 was applied to the glass plate. As a result of measuring 60 ° gloss with a haze gloss meter (BYK Gardner product) after drying at room temperature for 10 hours, it was 95. The cyan density (OD value) measured by SpectroEye (product of GretagMacbeth) was 1.9, and the coated film showed good transparency and good pigment dispersibility. It was confirmed that
<応用例2〜11>
ポリマーコート顔料(1)、顔料分散剤、および溶剤を表4および表5の様に変更する以外は、応用例1と同様の方法にて、顔料分散、塗装、および評価を行った。
<Application examples 2 to 11>
Pigment dispersion, coating, and evaluation were performed in the same manner as in Application Example 1 except that the polymer coat pigment (1), the pigment dispersant, and the solvent were changed as shown in Tables 4 and 5.
<比較応用例1〜4>
顔料、顔料分散剤、および溶剤を表4および表5の様に変更する以外は、応用例1と同様の方法にて、顔料分散、塗装、および評価を行った。
<Comparative application examples 1-4>
Pigment dispersion, coating, and evaluation were performed in the same manner as in Application Example 1 except that the pigment, pigment dispersant, and solvent were changed as shown in Tables 4 and 5.
アジスパーPB−821 味の素ファインテクノ株式会社製顔料分散剤 有効成分100%
顔料分散剤2:ディスパーBYK2050 BYK社製顔料分散剤 有効成分52%
Azisper PB-821 Pigment dispersant manufactured by Ajinomoto Fine Techno Co., Ltd. 100% active ingredient
Pigment dispersant 2: Disper BYK2050 Pigment dispersant manufactured by BYK, Inc. 52% active ingredient
顔料分散剤1:アジスパーPB−821 味の素ファインテクノ株式会社製顔料分散剤 有効成分100%
顔料分散剤2:ディスパーBYK2050 BYK社製顔料分散剤 有効成分52%
G−36:ファーストゲングリーン2YK(粉体) C.I.Pigment Green 36 (大日本インキ化学工業株式会社製グリーン顔料)
Y−14:シムラーファーストイエロー4400T(粉体) C.I.Pigment Yellow 14 (大日本インキ化学工業株式会社製イエロー顔料)
Pigment dispersant 1: Ajisper PB-821 Pigment dispersant manufactured by Ajinomoto Fine Techno Co., Ltd. 100% active ingredient
Pigment dispersant 2: Disper BYK2050 Pigment dispersant manufactured by BYK, Inc. 52% active ingredient
G-36: Fast Gen Green 2YK (powder) C.I. I. Pigment Green 36 (Dai Nippon Ink Chemical Co., Ltd. Green Pigment)
Y-14: Shimla First Yellow 4400T (powder) C.I. I. Pigment Yellow 14 (Dai Nippon Ink Chemical Co., Ltd. yellow pigment)
Claims (5)
非水溶媒に可溶な重合性不飽和基を含有するポリマー(B−1)が、炭素原子数4個以上のアルキル基を有するアルキル(メタ)アクリレートを主成分とする重合性不飽和単量体の共重合体に重合性不飽和基を導入したポリマー、
あるいは、炭素原子数4個以上のアルキル基を有するアルキル(メタ)アクリレートを主成分とする重合性不飽和単量体の共重合体からなるマクロモノマーであって、
非水溶媒に可溶でありかつ重合後に不溶もしくは難溶になる少なくとも1種の重合性不飽和単量体(B−2)が、反応性極性基(官能基)をもたないビニル系モノマー、アミド結合含有ビニル系モノマー、ジアルキル〔(メタ)アクリロイロキシアルキル〕ホスフェート、(メタ)アクリロイロキシアルキルアシッドホスフェート、ジアルキル〔(メタ)アクリロイロキシアルキル〕ホスファイト、(メタ)アクリロイロキシアルキルアシッドホスファイト、
上記(メタ)アクリロイロキシアルキルアシッドホスフェートないしはアシッドホスファイトのアルキレンオキシド付加物やエポキシ基含有ビニル系モノマーとリン酸または亜リン酸あるいはこれらの酸性エステル類とのエステル化合物である、リン原子含有ビニル系モノマー、水酸基含有重合性不飽和単量体、ジアルキルアミノアルキル(メタ)アクリレート、エポキシ基含有重合性不飽和単量体、イソシアネート基含有α,β−エチレン性不飽和単量体、アルコキシシリル基含有重合性不飽和単量体、カルボキシル基含有α,β−エチレン性不飽和単量体、多官能重合性不飽和単量体のうちの一種以上であることを特徴とする、ポリマーコート顔料。 On the surface of the pigment (A), at least one kind of polymer (B-1) containing a polymerizable unsaturated group soluble in a non-aqueous solvent and soluble in a non-aqueous solvent and insoluble or hardly soluble after polymerization A polymer-coated pigment having a polymer (B) obtained by copolymerizing a polymerizable unsaturated monomer (B-2),
Polymerizable unsaturated monomer containing, as a main component, an alkyl (meth) acrylate having an alkyl group having 4 or more carbon atoms, wherein the polymer (B-1) containing a polymerizable unsaturated group soluble in a non-aqueous solvent A polymer in which a polymerizable unsaturated group is introduced into the copolymer of the body,
Alternatively, it is a macromonomer composed of a copolymer of a polymerizable unsaturated monomer whose main component is an alkyl (meth) acrylate having an alkyl group having 4 or more carbon atoms,
A vinyl monomer that is soluble in a non-aqueous solvent and has at least one polymerizable unsaturated monomer (B-2) that is insoluble or hardly soluble after polymerization, and has no reactive polar group (functional group). Amide bond-containing vinyl monomer, dialkyl [(meth) acryloyloxyalkyl] phosphate, (meth) acryloyloxyalkyl acid phosphate, dialkyl [(meth) acryloyloxyalkyl] phosphite, (meth) acryloyloxyalkyl Acid phosphite,
Phosphorus atom-containing vinyl which is an ester compound of the above (meth) acryloyloxyalkyl acid phosphate or acid phosphite alkylene oxide adduct or epoxy group-containing vinyl monomer and phosphoric acid or phosphorous acid or acidic esters thereof. Monomer, hydroxyl group-containing polymerizable unsaturated monomer, dialkylaminoalkyl (meth) acrylate, epoxy group-containing polymerizable unsaturated monomer, isocyanate group-containing α, β-ethylenically unsaturated monomer, alkoxysilyl group A polymer-coated pigment, which is at least one of a containing polymerizable unsaturated monomer, a carboxyl group-containing α, β-ethylenically unsaturated monomer, and a polyfunctional polymerizable unsaturated monomer.
非水溶媒に可溶な重合性不飽和基を含有するポリマー(B−1)が、炭素原子数4個以上のアルキル基を有するアルキル(メタ)アクリレートを主成分とする重合性不飽和単量体の共重合体に重合性不飽和基を導入したポリマー、
あるいは、炭素原子数4個以上のアルキル基を有するアルキル(メタ)アクリレートを主成分とする重合性不飽和単量体の共重合体からなるマクロモノマーであって、
非水溶媒に可溶でありかつ重合後に不溶もしくは難溶になる少なくとも1種の重合性不飽和単量体(B−2)が、反応性極性基(官能基)をもたないビニル系モノマー、アミド結合含有ビニル系モノマー、ジアルキル〔(メタ)アクリロイロキシアルキル〕ホスフェート、(メタ)アクリロイロキシアルキルアシッドホスフェート、ジアルキル〔(メタ)アクリロイロキシアルキル〕ホスファイト、(メタ)アクリロイロキシアルキルアシッドホスファイト、
上記(メタ)アクリロイロキシアルキルアシッドホスフェートないしはアシッドホスファイトのアルキレンオキシド付加物やエポキシ基含有ビニル系モノマーとリン酸または亜リン酸あるいはこれらの酸性エステル類とのエステル化合物である、リン原子含有ビニル系モノマー、水酸基含有重合性不飽和単量体、ジアルキルアミノアルキル(メタ)アクリレート、エポキシ基含有重合性不飽和単量体、イソシアネート基含有α,β−エチレン性不飽和単量体、アルコキシシリル基含有重合性不飽和単量体、カルボキシル基含有α,β−エチレン性不飽和単量体、多官能重合性不飽和単量体のうちの一種以上であることを特徴とする、ポリマーコート顔料の製造方法。 In the presence of the pigment (A), a non-aqueous solvent and a polymer (B-1) containing a polymerizable unsaturated group soluble in the non-aqueous solvent, it is soluble in the non-aqueous solvent and insoluble or hardly soluble after polymerization. It is a method for producing a polymer-coated pigment, characterized by polymerizing at least one polymerizable unsaturated monomer (B-2) .
Polymerizable unsaturated monomer containing, as a main component, an alkyl (meth) acrylate having an alkyl group having 4 or more carbon atoms, wherein the polymer (B-1) containing a polymerizable unsaturated group soluble in a non-aqueous solvent A polymer in which a polymerizable unsaturated group is introduced into the copolymer of the body,
Alternatively, it is a macromonomer composed of a copolymer of a polymerizable unsaturated monomer whose main component is an alkyl (meth) acrylate having an alkyl group having 4 or more carbon atoms,
A vinyl monomer that is soluble in a non-aqueous solvent and has at least one polymerizable unsaturated monomer (B-2) that is insoluble or hardly soluble after polymerization, and has no reactive polar group (functional group). Amide bond-containing vinyl monomer, dialkyl [(meth) acryloyloxyalkyl] phosphate, (meth) acryloyloxyalkyl acid phosphate, dialkyl [(meth) acryloyloxyalkyl] phosphite, (meth) acryloyloxyalkyl Acid phosphite,
Phosphorus atom-containing vinyl which is an ester compound of the above (meth) acryloyloxyalkyl acid phosphate or acid phosphite alkylene oxide adduct or epoxy group-containing vinyl monomer and phosphoric acid or phosphorous acid or acidic esters thereof. Monomer, hydroxyl group-containing polymerizable unsaturated monomer, dialkylaminoalkyl (meth) acrylate, epoxy group-containing polymerizable unsaturated monomer, isocyanate group-containing α, β-ethylenically unsaturated monomer, alkoxysilyl group A polymer-coated pigment, characterized in that it is at least one of a containing polymerizable unsaturated monomer, a carboxyl group-containing α, β-ethylenically unsaturated monomer, and a polyfunctional polymerizable unsaturated monomer Production method.
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