JP6624249B2 - Aniline black particles, a resin composition using the aniline black particles, an aqueous dispersion, and a solvent-based dispersion - Google Patents
Aniline black particles, a resin composition using the aniline black particles, an aqueous dispersion, and a solvent-based dispersion Download PDFInfo
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- JP6624249B2 JP6624249B2 JP2018140986A JP2018140986A JP6624249B2 JP 6624249 B2 JP6624249 B2 JP 6624249B2 JP 2018140986 A JP2018140986 A JP 2018140986A JP 2018140986 A JP2018140986 A JP 2018140986A JP 6624249 B2 JP6624249 B2 JP 6624249B2
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- Prior art keywords
- aniline black
- black
- aniline
- acid
- value
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- 229920000767 polyaniline Polymers 0.000 title claims description 439
- FWLHAQYOFMQTHQ-UHFFFAOYSA-N 2-N-[8-[[8-(4-aminoanilino)-10-phenylphenazin-10-ium-2-yl]amino]-10-phenylphenazin-10-ium-2-yl]-8-N,10-diphenylphenazin-10-ium-2,8-diamine hydroxy-oxido-dioxochromium Chemical compound O[Cr]([O-])(=O)=O.O[Cr]([O-])(=O)=O.O[Cr]([O-])(=O)=O.Nc1ccc(Nc2ccc3nc4ccc(Nc5ccc6nc7ccc(Nc8ccc9nc%10ccc(Nc%11ccccc%11)cc%10[n+](-c%10ccccc%10)c9c8)cc7[n+](-c7ccccc7)c6c5)cc4[n+](-c4ccccc4)c3c2)cc1 FWLHAQYOFMQTHQ-UHFFFAOYSA-N 0.000 title claims description 438
- 239000002245 particle Substances 0.000 title claims description 234
- 239000006185 dispersion Substances 0.000 title claims description 149
- 239000011342 resin composition Substances 0.000 title claims description 76
- 239000002904 solvent Substances 0.000 title claims description 74
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 76
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 claims description 66
- 239000006229 carbon black Substances 0.000 claims description 62
- 239000000203 mixture Substances 0.000 claims description 62
- 239000002253 acid Substances 0.000 claims description 48
- 229910052717 sulfur Inorganic materials 0.000 claims description 48
- 239000011593 sulfur Substances 0.000 claims description 48
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 47
- 238000004519 manufacturing process Methods 0.000 claims description 46
- 239000003795 chemical substances by application Substances 0.000 claims description 44
- 150000001875 compounds Chemical class 0.000 claims description 33
- 150000003839 salts Chemical class 0.000 claims description 33
- 239000007800 oxidant agent Substances 0.000 claims description 32
- 239000000843 powder Substances 0.000 claims description 32
- 229910052751 metal Inorganic materials 0.000 claims description 28
- 239000002184 metal Substances 0.000 claims description 28
- 239000007864 aqueous solution Substances 0.000 claims description 26
- 239000011164 primary particle Substances 0.000 claims description 25
- 150000004982 aromatic amines Chemical class 0.000 claims description 24
- 238000003756 stirring Methods 0.000 claims description 19
- 239000003054 catalyst Substances 0.000 claims description 18
- 238000006116 polymerization reaction Methods 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 17
- 230000002378 acidificating effect Effects 0.000 claims description 15
- 230000001590 oxidative effect Effects 0.000 claims description 15
- 239000003513 alkali Substances 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 5
- 241000872198 Serjania polyphylla Species 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 3
- 230000003472 neutralizing effect Effects 0.000 claims description 2
- 238000010298 pulverizing process Methods 0.000 claims description 2
- 230000000052 comparative effect Effects 0.000 description 94
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- 235000019241 carbon black Nutrition 0.000 description 57
- 230000009467 reduction Effects 0.000 description 44
- 238000006243 chemical reaction Methods 0.000 description 42
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- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 33
- 229920005989 resin Polymers 0.000 description 33
- 239000011347 resin Substances 0.000 description 33
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 28
- 239000000243 solution Substances 0.000 description 28
- 239000010408 film Substances 0.000 description 24
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 22
- -1 sulfonyl compound Chemical class 0.000 description 22
- 239000003960 organic solvent Substances 0.000 description 20
- 239000011248 coating agent Substances 0.000 description 19
- 238000000576 coating method Methods 0.000 description 19
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 18
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- 239000003086 colorant Substances 0.000 description 15
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 13
- WBIQQQGBSDOWNP-UHFFFAOYSA-N 2-dodecylbenzenesulfonic acid Chemical compound CCCCCCCCCCCCC1=CC=CC=C1S(O)(=O)=O WBIQQQGBSDOWNP-UHFFFAOYSA-N 0.000 description 12
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 12
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 12
- 238000000354 decomposition reaction Methods 0.000 description 12
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- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 10
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- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 9
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- 229920001909 styrene-acrylic polymer Polymers 0.000 description 9
- RMVRSNDYEFQCLF-UHFFFAOYSA-N thiophenol Chemical compound SC1=CC=CC=C1 RMVRSNDYEFQCLF-UHFFFAOYSA-N 0.000 description 9
- HMUNWXXNJPVALC-UHFFFAOYSA-N 1-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)C(CN1CC2=C(CC1)NN=N2)=O HMUNWXXNJPVALC-UHFFFAOYSA-N 0.000 description 8
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 8
- SJEYSFABYSGQBG-UHFFFAOYSA-M Patent blue Chemical compound [Na+].C1=CC(N(CC)CC)=CC=C1C(C=1C(=CC(=CC=1)S([O-])(=O)=O)S([O-])(=O)=O)=C1C=CC(=[N+](CC)CC)C=C1 SJEYSFABYSGQBG-UHFFFAOYSA-M 0.000 description 8
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 8
- 230000008859 change Effects 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 8
- 239000011159 matrix material Substances 0.000 description 8
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 7
- 239000000975 dye Substances 0.000 description 7
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- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 6
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 6
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 6
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 6
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 150000003973 alkyl amines Chemical class 0.000 description 6
- 239000002518 antifoaming agent Substances 0.000 description 6
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- 230000006870 function Effects 0.000 description 6
- 125000000524 functional group Chemical group 0.000 description 6
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- 239000000463 material Substances 0.000 description 6
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 6
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 6
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 5
- MKYBYDHXWVHEJW-UHFFFAOYSA-N N-[1-oxo-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propan-2-yl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(C(C)NC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 MKYBYDHXWVHEJW-UHFFFAOYSA-N 0.000 description 5
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 5
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- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 5
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- 229910052804 chromium Inorganic materials 0.000 description 5
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- 235000014113 dietary fatty acids Nutrition 0.000 description 5
- 239000002270 dispersing agent Substances 0.000 description 5
- JRBPAEWTRLWTQC-UHFFFAOYSA-N dodecylamine Chemical compound CCCCCCCCCCCCN JRBPAEWTRLWTQC-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000000194 fatty acid Substances 0.000 description 5
- 229930195729 fatty acid Natural products 0.000 description 5
- 150000004665 fatty acids Chemical class 0.000 description 5
- 229940032296 ferric chloride Drugs 0.000 description 5
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 5
- 150000007522 mineralic acids Chemical class 0.000 description 5
- 150000007524 organic acids Chemical class 0.000 description 5
- 235000005985 organic acids Nutrition 0.000 description 5
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 description 5
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- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 5
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- SRSXLGNVWSONIS-UHFFFAOYSA-N benzenesulfonic acid Chemical compound OS(=O)(=O)C1=CC=CC=C1 SRSXLGNVWSONIS-UHFFFAOYSA-N 0.000 description 4
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- IHZXTIBMKNSJCJ-UHFFFAOYSA-N 3-{[(4-{[4-(dimethylamino)phenyl](4-{ethyl[(3-sulfophenyl)methyl]amino}phenyl)methylidene}cyclohexa-2,5-dien-1-ylidene)(ethyl)azaniumyl]methyl}benzene-1-sulfonate Chemical compound C=1C=C(C(=C2C=CC(C=C2)=[N+](C)C)C=2C=CC(=CC=2)N(CC)CC=2C=C(C=CC=2)S([O-])(=O)=O)C=CC=1N(CC)CC1=CC=CC(S(O)(=O)=O)=C1 IHZXTIBMKNSJCJ-UHFFFAOYSA-N 0.000 description 2
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- KUIXZSYWBHSYCN-UHFFFAOYSA-L remazol brilliant blue r Chemical compound [Na+].[Na+].C1=C(S([O-])(=O)=O)C(N)=C2C(=O)C3=CC=CC=C3C(=O)C2=C1NC1=CC=CC(S(=O)(=O)CCOS([O-])(=O)=O)=C1 KUIXZSYWBHSYCN-UHFFFAOYSA-L 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 150000004756 silanes Chemical class 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
- 229910001961 silver nitrate Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 description 1
- JJOZGUHSYVEZEB-UHFFFAOYSA-M sodium;2-[4-[[4-(benzenesulfonyloxy)-3-methylphenyl]diazenyl]anilino]-5-nitrobenzenesulfonate Chemical compound [Na+].CC1=CC(N=NC=2C=CC(NC=3C(=CC(=CC=3)[N+]([O-])=O)S([O-])(=O)=O)=CC=2)=CC=C1OS(=O)(=O)C1=CC=CC=C1 JJOZGUHSYVEZEB-UHFFFAOYSA-M 0.000 description 1
- FJBHGWADYLMEJG-UHFFFAOYSA-M sodium;3-[[4-[[4-(diethylamino)phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]-n-ethylanilino]methyl]benzenesulfonate Chemical compound [Na+].C1=CC(N(CC)CC)=CC=C1C(C=1C=CC(=CC=1)N(CC)CC=1C=C(C=CC=1)S([O-])(=O)=O)=C(C=C1)C=CC1=[N+](CC)CC1=CC=CC(S([O-])(=O)=O)=C1 FJBHGWADYLMEJG-UHFFFAOYSA-M 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- NVKTUNLPFJHLCG-UHFFFAOYSA-N strontium chromate Chemical compound [Sr+2].[O-][Cr]([O-])(=O)=O NVKTUNLPFJHLCG-UHFFFAOYSA-N 0.000 description 1
- 125000001174 sulfone group Chemical group 0.000 description 1
- 150000003463 sulfur Chemical class 0.000 description 1
- CSMFSDCPJHNZRY-UHFFFAOYSA-N sulfuric acid monodecyl ester Natural products CCCCCCCCCCOS(O)(=O)=O CSMFSDCPJHNZRY-UHFFFAOYSA-N 0.000 description 1
- UZZYXUGECOQHPU-UHFFFAOYSA-N sulfuric acid monooctyl ester Natural products CCCCCCCCOS(O)(=O)=O UZZYXUGECOQHPU-UHFFFAOYSA-N 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- RJSZFSOFYVMDIC-UHFFFAOYSA-N tert-butyl n,n-dimethylcarbamate Chemical compound CN(C)C(=O)OC(C)(C)C RJSZFSOFYVMDIC-UHFFFAOYSA-N 0.000 description 1
- LFQCEHFDDXELDD-UHFFFAOYSA-N tetramethyl orthosilicate Chemical compound CO[Si](OC)(OC)OC LFQCEHFDDXELDD-UHFFFAOYSA-N 0.000 description 1
- GMMAPXRGRVJYJY-UHFFFAOYSA-J tetrasodium 4-acetamido-5-hydroxy-6-[[7-sulfonato-4-[(4-sulfonatophenyl)diazenyl]naphthalen-1-yl]diazenyl]naphthalene-1,7-disulfonate Chemical compound [Na+].[Na+].[Na+].[Na+].OC1=C2C(NC(=O)C)=CC=C(S([O-])(=O)=O)C2=CC(S([O-])(=O)=O)=C1N=NC(C1=CC(=CC=C11)S([O-])(=O)=O)=CC=C1N=NC1=CC=C(S([O-])(=O)=O)C=C1 GMMAPXRGRVJYJY-UHFFFAOYSA-J 0.000 description 1
- 239000006234 thermal black Substances 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 150000004992 toluidines Chemical class 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 150000003623 transition metal compounds Chemical class 0.000 description 1
- FRGPKMWIYVTFIQ-UHFFFAOYSA-N triethoxy(3-isocyanatopropyl)silane Chemical compound CCO[Si](OCC)(OCC)CCCN=C=O FRGPKMWIYVTFIQ-UHFFFAOYSA-N 0.000 description 1
- WUMSTCDLAYQDNO-UHFFFAOYSA-N triethoxy(hexyl)silane Chemical compound CCCCCC[Si](OCC)(OCC)OCC WUMSTCDLAYQDNO-UHFFFAOYSA-N 0.000 description 1
- CPUDPFPXCZDNGI-UHFFFAOYSA-N triethoxy(methyl)silane Chemical compound CCO[Si](C)(OCC)OCC CPUDPFPXCZDNGI-UHFFFAOYSA-N 0.000 description 1
- JCVQKRGIASEUKR-UHFFFAOYSA-N triethoxy(phenyl)silane Chemical compound CCO[Si](OCC)(OCC)C1=CC=CC=C1 JCVQKRGIASEUKR-UHFFFAOYSA-N 0.000 description 1
- ZNOCGWVLWPVKAO-UHFFFAOYSA-N trimethoxy(phenyl)silane Chemical compound CO[Si](OC)(OC)C1=CC=CC=C1 ZNOCGWVLWPVKAO-UHFFFAOYSA-N 0.000 description 1
- DQZNLOXENNXVAD-UHFFFAOYSA-N trimethoxy-[2-(7-oxabicyclo[4.1.0]heptan-4-yl)ethyl]silane Chemical compound C1C(CC[Si](OC)(OC)OC)CCC2OC21 DQZNLOXENNXVAD-UHFFFAOYSA-N 0.000 description 1
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 1
- 239000005051 trimethylchlorosilane Substances 0.000 description 1
- 235000013799 ultramarine blue Nutrition 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
- FUSUHKVFWTUUBE-UHFFFAOYSA-N vinyl methyl ketone Natural products CC(=O)C=C FUSUHKVFWTUUBE-UHFFFAOYSA-N 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B17/00—Azine dyes
- C09B17/02—Azine dyes of the benzene series
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
- C09B67/0033—Blends of pigments; Mixtured crystals; Solid solutions
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
- C09B67/0033—Blends of pigments; Mixtured crystals; Solid solutions
- C09B67/0041—Blends of pigments; Mixtured crystals; Solid solutions mixtures containing one azo dye
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
- C09B67/0071—Process features in the making of dyestuff preparations; Dehydrating agents; Dispersing agents; Dustfree compositions
- C09B67/0084—Dispersions of dyes
- C09B67/0085—Non common dispersing agents
- C09B67/009—Non common dispersing agents polymeric dispersing agent
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/09—Colouring agents for toner particles
- G03G9/0902—Inorganic compounds
- G03G9/0904—Carbon black
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/09—Colouring agents for toner particles
- G03G9/0906—Organic dyes
- G03G9/0914—Acridine; Azine; Oxazine; Thiazine-;(Xanthene-) dyes
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/12—Developers with toner particles in liquid developer mixtures
- G03G9/122—Developers with toner particles in liquid developer mixtures characterised by the colouring agents
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Paints Or Removers (AREA)
Description
本発明は、自在な色相の黒を表現でき、黒色度に優れ、従来では表現しづらかった青味の黒、紫味の黒、漆黒の黒でも表現することが可能であり、しかも、体積固有抵抗値が高く、耐熱性が高く、分散性に優れたアニリンブラックを提供するものである。 INDUSTRIAL APPLICABILITY The present invention can express black of any hue, is excellent in blackness, and can express blue-black, purple-black and jet-black, which were difficult to express in the past. An aniline black having a high resistance value, a high heat resistance and an excellent dispersibility is provided.
また、本発明は、樹脂や有機溶剤などの疎水性媒体への分散性に優れ、黒色度に優れたアニリンブラックを提供するものである。 Further, the present invention provides aniline black which is excellent in dispersibility in a hydrophobic medium such as a resin or an organic solvent and has excellent blackness.
また、本発明は、前記アニリンブラックによって着色された、分散性に優れ、黒色度に優れ、耐熱性が高く、自在な色相の黒を表現でき、従来では表現しづらかった青味の黒、紫味の黒、漆黒の黒でも表現することが可能であり、黒色度に優れた樹脂組成物、水系分散体、および、溶剤系分散体を提供するものである。なお、本発明において、アニリンブラック粒子を単にアニリンブラックと省略することもある。 In addition, the present invention is characterized by having excellent dispersibility, excellent blackness, high heat resistance, and can express a black of any hue colored by the aniline black. The present invention provides a resin composition, an aqueous dispersion, and a solvent-based dispersion which can be expressed in taste black and jet black, and have excellent blackness. In the present invention, the aniline black particles may be simply referred to as aniline black.
アニリンブラックは、アニリンなどの芳香族アミンの酸化重合によって得られる黒色顔料であり、化1で示されるN−フェニルジベンゾパラアジン重合体によるアニリンブラック基本骨格を持っている。 Aniline black is a black pigment obtained by oxidative polymerization of an aromatic amine such as aniline and has an aniline black basic skeleton based on an N-phenyldibenzoparaazine polymer represented by the following chemical formula 1.
(化1中:n=1〜3といわれている。Xは水酸基、塩素などの酸基を示す。)
上記の酸基とは、各種有機酸、無機酸、あるいは、その塩の分子から水素原子、あるいは塩、を1個またはそれ以上除いた部分を指し、N+のカウンターイオンとして作用するものをいう。有機酸とは、蟻酸、酢酸、安息香酸、ベンゼンスルホン酸、パラトルエンスルホン酸、クエン酸、シュウ酸、アジピン酸などであり、無機酸とは、塩酸、硝酸、燐酸、硫酸、ホウ酸、フッ化水素酸、過塩素酸などである。
(In Chemical Formula 1, it is said that n = 1 to 3. X represents an acid group such as a hydroxyl group and chlorine.)
The above-mentioned acid group refers to a portion obtained by removing one or more hydrogen atoms or salts from molecules of various organic acids, inorganic acids, or salts thereof, and refers to a portion acting as an N + counter ion. . Organic acids include formic acid, acetic acid, benzoic acid, benzenesulfonic acid, paratoluenesulfonic acid, citric acid, oxalic acid, adipic acid and the like, and inorganic acids include hydrochloric acid, nitric acid, phosphoric acid, sulfuric acid, sulfuric acid, boric acid, hydrofluoric acid, and the like. Hydrofluoric acid, perchloric acid and the like.
アニリンブラックは、カーボンブラックでは表現できない緑味の黒をはじめ、黒味の黒、赤味の黒、青みの黒色など様々な黒表現を呈し、その特長を生かして、塗料、印刷インキ、絵の具、ポスターカラー、プラスチック、熱転写インキなど、各種用途に使用されている。また、構造中にアミノ基やジアジン構造などの極性基が多く含まれているため、極めて親水的な特質を持っており、主に水系媒体で用いられてきた。従来、アニリンブラックの製造に用いられる酸化剤としては、重クロム酸塩を用いる方法が最適とされている。重クロム酸塩は極めて強い酸化剤であるため、十分な酸化縮合を発生させる。さらには、クロムイオンや触媒として用いた銅イオンの一部が芳香族アミン縮合体と配位するため、分子内、分子間で強いネットワークを形成し、様々な波長の光を一様に吸収するため、これを用いて調製されたアニリンブラックは極めて高い黒色度を発揮する。 Aniline black has various black expressions including greenish black that cannot be expressed with carbon black, blackish black, reddish black, bluish black, and by taking advantage of its features, paints, printing inks, paints, Used for various applications such as poster colors, plastics, and thermal transfer inks. Further, since the structure contains many polar groups such as an amino group and a diazine structure, it has a very hydrophilic characteristic and has been mainly used in an aqueous medium. Conventionally, as an oxidizing agent used for the production of aniline black, a method using a dichromate is considered to be optimal. Since dichromate is an extremely strong oxidizing agent, it causes sufficient oxidative condensation. Furthermore, since some of the chromium ions and copper ions used as catalysts coordinate with the aromatic amine condensate, a strong network is formed within and between molecules, and light of various wavelengths is absorbed uniformly. Therefore, aniline black prepared using this exhibits an extremely high degree of blackness.
しかしながら、重クロム酸塩に含まれる、クロムイオンは人体に極めて有害な公害物質であり(現在、重クロム酸で合成されたアニリンブラックに含まれるクロムは色素に配位結合し、有害な六価クロムは含まれず安全性が認められてはいるが、)、触媒として用いられる銅塩に由来する銅イオンもまた有害物質である。従って、これら有害物質を製造時に使用せず、これら有害物質が混入する恐れの全くないものが求められている。これらが達成されることによって、現在まで敬遠されていたアイブロウペンシル、アイブロウパウダー、アイブロウマスカラ、アイシャドー、コンパクトパウダー、ファンデーション、リップスティック、ネイルエナメルなどの化粧料といった直接肌に触れる用途にも展開の可能性がでてくる。 However, chromium ions contained in dichromate are extremely harmful pollutants to the human body. (Currently, chromium contained in aniline black synthesized with dichromic acid coordinates with the pigment to form harmful hexavalent. Although chromium is not included and its safety is recognized), copper ions derived from copper salts used as catalysts are also harmful substances. Therefore, there is a demand for a material which does not use these harmful substances at the time of production and which has no risk of mixing these harmful substances. By achieving these, eyebrow pencils, eyebrow powders, eyebrow mascaras, eye shadows, compact powders, foundations, lipsticks, nail enamels and other cosmetic products such as eyebrow pencils, which have been shunned until now, are also being developed. The possibilities come out.
従来、クロムや銅などの有害物質を含まないものとして、アニリンを酸の水溶液とし、過硫酸塩で酸化することを特徴とする製造方法(特許文献1)、過酸化水素と、それの分解触媒となりうる金属または金属塩を用い、発生するOHラジカルを酸化剤としてアニリンを酸化させてなる製造方法(特許文献2、特許文献3)が知られている。 2. Description of the Related Art Conventionally, a production method characterized in that aniline is converted into an aqueous solution of an acid and oxidized with a persulfate without containing harmful substances such as chromium and copper (Patent Document 1), hydrogen peroxide, and a decomposition catalyst thereof Production methods have been known in which aniline is oxidized using a metal or metal salt that can be used as an oxidizing agent and OH radicals generated (Patent Documents 2 and 3).
また、黒色度が高く粒子径を高度に制御したπ共役系重合体として、水溶性高分子化合物、遷移金属化合物およびプロトン酸の存在下に、酸化剤により酸化重合することにより得られる黒色顔料(特許文献4)が知られている。 Further, as a π-conjugated polymer having a high degree of blackness and a highly controlled particle size, a black pigment obtained by oxidative polymerization with an oxidizing agent in the presence of a water-soluble polymer compound, a transition metal compound and a protonic acid ( Patent document 4) is known.
さらには、酸化重合過程で触媒と酸化剤を同時に滴下することで、酸化剤の分解速度を任意に制御して、一次粒子の軸比が小さいアニリンブラック(特許文献5)、酸化重合過程でアニリンとスルホニル化合物が共重合反応することによりスルホン基を含有するアニリンブラック(特許文献6)が知られている。 Furthermore, by simultaneously dropping a catalyst and an oxidizing agent during the oxidative polymerization process, the decomposition rate of the oxidizing agent is arbitrarily controlled, and aniline black having a small primary particle axial ratio (Patent Document 5). There is known an aniline black containing a sulfone group by a copolymerization reaction of a compound with a sulfonyl compound (Patent Document 6).
一方で、電子写真用非磁性現像剤や液晶用ブラックマトリクスなどの黒色の着色剤は、ほとんどが安価で着色力に優れ、黒色度に優れ、耐熱性に優れるカーボンブラックが使用されている。近年、電子写真画像の高画質化や、ブラックマトリクスの高遮光率化が求められており、着色剤の添加量を増やすなどの高濃度化が検討されている。しかしながら、カーボンブラックはバインダー樹脂中での分散が難しく、体積固有抵抗値も低いために前者の場合は現像剤の帯電性能が阻害(帯電保持能力低下)されるという課題が残る。また、後者の場合は有機溶剤などの分散液中でカーボンブラックの分散安定性を付与することが難しいため流動性が悪くなり、レジスト薄膜としての体積固有抵抗値も低くなるという課題が残る。 On the other hand, most of black coloring agents such as a non-magnetic developer for electrophotography and a black matrix for liquid crystal use carbon black which is inexpensive, has excellent coloring power, has excellent blackness, and has excellent heat resistance. In recent years, there has been a demand for higher image quality of electrophotographic images and higher light blocking ratios of black matrices, and higher densities such as increasing the amount of colorants added are being studied. However, since the carbon black is difficult to disperse in the binder resin and has a low volume resistivity, the former case has a problem that the charging performance of the developer is impaired (the charge holding ability is reduced). In the latter case, it is difficult to impart the dispersion stability of carbon black in a dispersion liquid such as an organic solvent, so that the fluidity is deteriorated and the volume resistivity as a resist thin film remains low.
一般に、アニリンブラックはカーボンブラックなどの無機の黒色顔料に比べて体積固有抵抗値が高いことが知られており、前述の課題を克服するためにアニリンブラックの適用検討が行われている。電子写真用非磁性現像剤の黒色の着色剤としては高温・高湿時においても電荷のリークが少ない、帯電保持性能に優れる現像剤としての適用が検討されている。(特許文献7、特許文献8、特許文献9) In general, it is known that aniline black has a higher volume resistivity than an inorganic black pigment such as carbon black. Application of aniline black has been studied to overcome the above-mentioned problems. As a black colorant for a non-magnetic developer for electrophotography, application as a developer having little charge leakage even at high temperature and high humidity and having excellent charge retention performance is being studied. (Patent Document 7, Patent Document 8, Patent Document 9)
これまで述べてきたように、クロムや銅などの有害物質を含有せず、黒色度に優れ、体積固有抵抗値が高いアニリンブラックは、従来からの塗料、印刷インキなどの用途に加え、電子写真用非磁性現像剤や、液晶用ブラックマトリクスといった用途に展開されるようになってきている。また、このようなニーズに拡大に伴って、黒の範疇において目的に応じて絶妙な色の調整が必要となってきた。例えば、漆黒の黒、黒味の黒、青味の黒、緑味の黒、紫味の黒、赤味の黒など、メーカーの要望は様々である。特に、従来のカーボンブラック、アニリンブラックなどの黒色顔料では表現しづらかった青味の黒、紫味の黒は、その高級感のため、要望が強い。また、厳密な色の調整が必要となる漆黒の黒についても要望がなされている。
様々な色の調整のため、一般的に染料、顔料を単純に添加混合することによる補色が行われている。しかしながら、染料添加では、多量に添加しても効果が薄い。また、顔料添加では、色相に対しては効果絶大ではあるが、黒色度の低下、体積固有抵抗値の変動、異種粒子が混在することによる分散性の低下が発生してしまう。
そこで、前述のノンクロム、高黒色度、高体積固有抵抗値といった特徴を持ちながら、用途、目的に応じた自在な色相の黒表現が可能で、従来では表現しづらかった青味の黒、紫味の黒、漆黒の黒でも表現でき、分散性に優れるアニリンブラックが望まれるところであるが、このようなアニリンブラックはいまだ得られていない。
また、青味の黒表現や高体積固有抵抗といったアニリンブラックの長所に併せて、更に高い黒色度や耐熱性などの点の改善が期待されているが、このようなアニリンブラックはいまだ得られていない。
また、青味の黒表現や高体積固有抵抗といったアニリンブラックの長所に併せて、カーボンブラックでの課題でもあった樹脂や有機溶剤などの疎水性媒体への分散性に優れ、黒色度の高いアニリンブラックが期待されているが、このようなアニリンブラックはいまだ得られていない。
As described above, aniline black, which does not contain harmful substances such as chromium and copper, has excellent blackness, and has a high volume resistivity, is used for electrophotography in addition to conventional applications such as paints and printing inks. For non-magnetic developers and black matrices for liquid crystals. In addition, with the expansion of such needs, exquisite color adjustment has been required in the category of black according to the purpose. For example, there are various demands from manufacturers such as jet black, black black, blue black, green black, purple black, and red black. In particular, blue-colored black and purple-colored black, which are difficult to express with conventional black pigments such as carbon black and aniline black, are strongly demanded because of their high-class feeling. There is also a demand for jet black, which requires strict color adjustment.
In order to adjust various colors, complementary colors are generally performed by simply adding and mixing dyes and pigments. However, in the case of adding a dye, the effect is small even if a large amount is added. Although the addition of a pigment has a great effect on the hue, it causes a decrease in blackness, a change in volume resistivity, and a decrease in dispersibility due to the mixture of different kinds of particles.
Therefore, while having the above-mentioned features such as non-chrome, high blackness, and high volume resistivity, it is possible to express black with any hue according to the application and purpose, and it was difficult to express blue and black in the past. There is a demand for aniline black, which can be expressed in black or jet black and has excellent dispersibility, but such aniline black has not yet been obtained.
Further, in addition to the advantages of aniline black such as bluish black expression and high volume resistivity, improvements in points such as higher blackness and heat resistance are expected, but such aniline black has not yet been obtained. Absent.
In addition to the advantages of aniline black such as bluish black expression and high volume resistivity, aniline with high blackness has excellent dispersibility in hydrophobic media such as resins and organic solvents, which were issues with carbon black. Black is expected, but such aniline black has not yet been obtained.
即ち、前出特許文献1のものは後出比較例1−3に示す通り、青味の黒であるが、黒色度が十分とは言い難く、色相の微調整は不可能である。さらには、体積固有抵抗値は2×105Ω・cmと比較的低抵抗である。さらに、耐熱性が十分とは言い難い。さらに、分散性が劣る。 That is, as described in Comparative Example 1-3, Patent Document 1 described above has a bluish black, but it is difficult to say that the degree of blackness is sufficient, and fine adjustment of hue is impossible. Furthermore, the volume resistivity is relatively low, such as 2 × 10 5 Ω · cm. Furthermore, it is hard to say that the heat resistance is sufficient. Furthermore, dispersibility is poor.
前出特許文献2および3記載のものは、後出比較例1−4に示す通り、赤味の黒であり、黒色度が十分とは言い難く、色相の微調整は不可能である。さらに、耐熱性が十分とは言い難い。さらに、分散性が劣る。 Patent Documents 2 and 3 described above have a reddish black as shown in Comparative Examples 1-4 described later, are not sufficiently black, and cannot be finely adjusted in hue. Furthermore, it is hard to say that the heat resistance is sufficient. Furthermore, dispersibility is poor.
前出特許文献4記載のものは、後出比較例1−5に示す通り、緑味の黒であり、黒色度が十分とは言い難く、色相の微調整は不可能である。さらに、体積固有抵抗値は4×104Ω・cmと比較的低抵抗である。さらに耐熱性が十分とは言い難い。さらに分散性に劣る。 As described in Comparative Example 1-5, the one described in Patent Document 4 described above is greenish black, and it is difficult to say that the degree of blackness is sufficient, and fine adjustment of hue is impossible. Further, the volume resistivity is relatively low, at 4 × 10 4 Ω · cm. Further, it is hard to say that the heat resistance is sufficient. Further, the dispersibility is poor.
前出特許文献5および6記載のものは、それぞれ、後出比較例1−1、1−2に示す通り、十分な黒色度を有している。しかしながら、特許文献5のものは黒味の黒を表現し、特許文献6は赤味の黒を表現するものであり、色相のさらなる調整は不可能である。疎水性が高い媒体での分散性に劣る。 Patent Documents 5 and 6 described above have sufficient blackness, as shown in Comparative Examples 1-1 and 1-2 below. However, Patent Document 5 expresses blackish black, and Patent Document 6 expresses redish black, and further adjustment of hue is impossible. Poor dispersibility in highly hydrophobic media.
そこで、本発明は、自在な色相の黒を表現でき、従来では表現しづらかった青味の黒、紫味の黒、漆黒の黒でも可能な、黒色度に優れ、耐熱性が高く、体積固有抵抗値の高く、分散性に優れたアニリンブラック粒子を提供することを技術課題とする。並びに該アニリンブラックによって着色した、自在な色相の黒を表現でき、従来では表現しづらかった青味の黒、紫味の黒、漆黒の黒でも可能な、分散性に優れ、黒色度に優れ、耐熱性の高い樹脂組成物、水系分散体、および、溶剤系分散体を提供することを技術的課題とする。
また、本発明は、疎水化度が高く、黒色度に優れたアニリンブラックを提供し、ならびに該アニリンブラックによって着色した、樹脂や有機溶剤などの疎水性媒体への分散性に優れ、黒色度に優れた樹脂組成物、および、溶剤系分散体を提供することを技術的課題とする。
Therefore, the present invention is capable of expressing black of any hue, and can be used for blue-black, purple-black, and jet-black which were difficult to express conventionally. An object of the present invention is to provide aniline black particles having high resistance and excellent dispersibility. In addition, it is possible to express black of any hue colored by the aniline black, and it is possible to express blue color, purple black, jet black which were difficult to express conventionally, excellent in dispersibility, excellent in blackness, A technical object is to provide a resin composition having high heat resistance, an aqueous dispersion, and a solvent dispersion.
Further, the present invention provides aniline black having a high degree of hydrophobicity and excellent blackness, and is excellent in dispersibility in a hydrophobic medium such as a resin or an organic solvent colored by the aniline black, and has a high blackness. A technical problem is to provide an excellent resin composition and a solvent-based dispersion.
前記技術的課題は、次の通りの第1の発明1−1〜1−10、第2の発明2−1〜2−8、第3の発明3−1〜3−9、第4の発明4−1〜4−8によって達成できる。 The technical problems include the following first invention 1-1 to 1-10, second invention 2-1 to 2-8, third invention 3-1 to 3-9, and fourth invention. 4-1 to 4-8.
第1の発明は、少なくとも、1種類以上の酸性染料を含むアニリンブラック粒子である。(本発明1−1) The first invention is an aniline black particle containing at least one or more acid dyes. (Invention 1-1)
また、第1の発明は、含まれる酸性染料が、少なくとも、芳香族スルホン酸、芳香族カルボン酸、フェノール、芳香族リン酸、芳香族ホウ酸、チオフェノールから選ばれる官能基の1種以上、または、それらの塩の官能基を有する本発明1−1記載のアニリンブラック粒子である。(本発明1−2) Further, the first invention is characterized in that the acid dye contained is at least one or more functional groups selected from aromatic sulfonic acid, aromatic carboxylic acid, phenol, aromatic phosphoric acid, aromatic boric acid, and thiophenol; Or aniline black particles according to the present invention 1-1 having a functional group of a salt thereof. (Invention 1-2)
また、第1の発明は、含まれる酸性染料が、トリフェニルメタン、キサンテン、インジゴ、ナフトールアゾ、アントラキノン、フタロシアニンのいずれかの骨格を持つ本発明1−1または1−2に記載のアニリンブラック粒子である。(本発明1−3) Further, the first invention is the aniline black particles according to the present invention 1-1 or 1-2, wherein the acid dye contained therein has a skeleton of any of triphenylmethane, xanthene, indigo, naphtholazo, anthraquinone, and phthalocyanine. It is. (Invention 1-3)
また、第1の発明は、アニリンブラック基本骨格100重量部に対して、酸性染料を1〜30重量部含む本発明1−1〜1−3のいずれかに記載のアニリンブラック粒子である。(本発明1−4) The first invention is the aniline black particles according to any one of the inventions 1-1 to 1-3, wherein the aniline black particles contain 1 to 30 parts by weight of an acid dye based on 100 parts by weight of the basic aniline black skeleton. (Invention 1-4)
また、第1の発明は、体積固有抵抗が、1.0×106〜1.0×1010Ω・cmである本発明1−1〜1−4のいずれかに記載のアニリンブラック粒子である。(本発明1−5) Further, the first invention provides the aniline black particles according to any one of the inventions 1-1 to 1-4, wherein the volume resistivity is 1.0 × 10 6 to 1.0 × 10 10 Ω · cm. is there. (Invention 1-5)
また、第1の発明は、一次粒子の平均粒径が、0.05〜1.0μmの範囲である本発明1−1〜1−5のいずれかに記載のアニリンブラック粒子である。(本発明1−6) Further, the first invention is the aniline black particles according to any one of the present inventions 1-1 to 1-5, wherein the average particle diameter of the primary particles is in the range of 0.05 to 1.0 μm. (Invention 1-6)
また、第1の発明は、粉体pHが、4.0〜9.0である本発明1−1〜1−6のいずれかに記載のアニリンブラック粒子である。(本発明1−7) The first invention is the aniline black particles according to any one of the present inventions 1-1 to 1-6, wherein the powder pH is 4.0 to 9.0. (Invention 1-7)
また、第1の発明は、本発明1−1〜1−7のいずれかに記載のアニリンブラック粒子を含んでなる樹脂組成物である。(本発明1−8) Further, a first invention is a resin composition containing the aniline black particles according to any one of the present inventions 1-1 to 1-7. (Invention 1-8)
また、第1の発明は、本発明1−1〜1−7のいずれかに記載のアニリンブラック粒子を含んでなる水系分散体である。(本発明1−9) A first invention is an aqueous dispersion containing the aniline black particles according to any one of the present inventions 1-1 to 1-7. (Invention 1-9)
また、第1の発明は、本発明1−1〜1−7のいずれかに記載のアニリンブラック粒子を含んでなる溶剤系分散体である。(本発明1−10) A first invention is a solvent-based dispersion containing the aniline black particles according to any one of the present inventions 1-1 to 1-7. (Invention 1-10)
第2の発明は、カーボンブラックをアニリンブラック基本骨格100重量部に対して1〜60重量部含むアニリンブラックであって、該アニリンブラックの体積固有抵抗が106〜1010Ω・cmであることを特徴とするアニリンブラック粒子である。(本発明2−1) A second invention is aniline black containing 1 to 60 parts by weight of carbon black per 100 parts by weight of aniline black basic skeleton, wherein the aniline black has a volume resistivity of 10 6 to 10 10 Ω · cm. Aniline black particles. (Invention 2-1)
また、第2の発明は、含まれるカーボンブラックの一次粒子の平均粒径が0.01〜0.1μmである本発明2−1記載のアニリンブラック粒子である。(本発明2−2) The second invention is the aniline black particles according to the invention 2-1 in which the primary particles of the carbon black contained therein have an average particle size of 0.01 to 0.1 μm. (Invention 2-2)
また、第2の発明は、硫黄含有量が0.2重量%〜10.0重量%である本発明2−1または2−2に記載のアニリンブラック粒子である。(本発明2−3) The second invention is the aniline black particles according to the present invention 2-1 or 2-2, wherein the sulfur content is 0.2% by weight to 10.0% by weight. (The present invention 2-3)
また、第2の発明は、一次粒子の平均粒径が0.05〜1.0μmである本発明2−1〜2−3のいずれかに記載のアニリンブラック粒子である。(本発明2−4) A second invention is the aniline black particles according to any one of the inventions 2-1 to 2-3, wherein the average particle diameter of the primary particles is 0.05 to 1.0 μm. (Invention 2-4)
また、第2の発明は、粉体pHが4.0〜9.0である本発明2−1〜2−4のいずれかに記載のアニリンブラック粒子である。(本発明2−5) The second invention is the aniline black particles according to any one of the present inventions 2-1 to 2-4, wherein the powder pH is 4.0 to 9.0. (Invention 2-5)
また、第2の発明は、本発明2−1〜2−5のいずれかに記載のアニリンブラック粒子を含んでなる樹脂組成物である。(本発明2−6) A second invention is a resin composition comprising the aniline black particles according to any one of the inventions 2-1 to 2-5. (Invention 2-6)
また、第2の発明は、本発明2−1〜2−5のいずれかに記載のアニリンブラック粒子を含んでなる水系分散体である。(本発明2−7) Further, a second invention is an aqueous dispersion containing the aniline black particles according to any one of the inventions 2-1 to 2-5. (Invention 2-7)
また、第2の発明は、本発明2−1〜2−5のいずれかに記載のアニリンブラック粒子を含んでなる溶剤系分散体である。(本発明2−8) A second invention is a solvent-based dispersion containing the aniline black particles according to any one of the inventions 2-1 to 2-5. (Invention 2-8)
第3の発明は、有彩色顔料をアニリンブラック基本骨格100重量部に対して1〜60重量部含むアニリンブラックであって、該アニリンブラックの体積固有抵抗が106〜1010Ω・cmであることを特徴とするアニリンブラック粒子である。(本発明3−1) A third invention is aniline black containing 1 to 60 parts by weight of a chromatic pigment based on 100 parts by weight of the basic skeleton of aniline black, and the aniline black has a volume resistivity of 10 6 to 10 10 Ω · cm. Aniline black particles characterized by the following: (Invention 3-1)
また、第3の発明は、含まれる有彩色顔料の一次粒子の平均粒径が0.01〜0.2μmである本発明3−1記載のアニリンブラック粒子である。(本発明3−2) A third invention is the aniline black particles according to the invention 3-1 wherein the primary particles of the chromatic pigment contained therein have an average particle size of 0.01 to 0.2 μm. (Invention 3-2)
また、第3の発明は、一次粒子の平均粒径が0.05〜1.0μmである本発明3−1または3−2のいずれかに記載のアニリンブラック粒子である。(本発明3−3) A third invention is the aniline black particles according to any one of the inventions 3-1 and 3-2, wherein the average particle diameter of the primary particles is 0.05 to 1.0 μm. (The present invention 3-3)
また、第3の発明は、体積平均粒度分布がシングルピークである本発明3−1〜3−3のいずれかに記載のアニリンブラック粒子である。(本発明3−4) A third invention is the aniline black particles according to any one of the inventions 3-1 to 3-3, wherein the volume average particle size distribution has a single peak. (Invention 3-4)
また、第3の発明は、硫黄含有量が0.2重量%〜10.0重量%である本発明3−1〜3−4に記載のアニリンブラック粒子である。(本発明3−5) Further, a third invention is the aniline black particles according to the inventions 3-1 to 3-4, wherein the sulfur content is 0.2% by weight to 10.0% by weight. (The present invention 3-5)
また、第3の発明は、粉体pHが4.0〜9.0である本発明3−1〜3−5のいずれかに記載のアニリンブラック粒子である。(本発明3−6) The third invention is the aniline black particles according to any one of the inventions 3-1 to 3-5, wherein the powder pH is 4.0 to 9.0. (Invention 3-6)
また、第3の発明は、本発明3−1〜3−6のいずれかに記載のアニリンブラック粒子を含んでなる樹脂組成物である。(本発明3−7) Further, a third invention is a resin composition comprising the aniline black particles according to any one of the inventions 3-1 to 3-6. (The present invention 3-7)
また、第3の発明は、本発明3−1〜3−6のいずれかに記載のアニリンブラック粒子を含んでなる水系分散体である。(本発明3−8) A third invention is an aqueous dispersion comprising the aniline black particles according to any one of the inventions 3-1 to 3-6. (Invention 3-8)
また、第3の発明は、本発明3−1〜3−6のいずれかに記載のアニリンブラック粒子を含んでなる溶剤系分散体である。(本発明3−9) Further, a third invention is a solvent-based dispersion containing the aniline black particles according to any one of the inventions 3-1 to 3-6. (Invention 3-9)
第4の発明は、粉体濡れ性試験による疎水化度が5〜80体積%であるアニリンブラック粒子である。(本発明4−1) A fourth invention is aniline black particles having a degree of hydrophobicity of 5 to 80% by volume in a powder wettability test. (Invention 4-1)
また、第4の発明は、アルキルアミン、ビニルアルキルケトン、脂肪酸、シランから選ばれた1つ以上の処理剤が0.1〜60.0重量%存在する本発明4−1記載のアニリンブラック粒子である。(本発明4−2) The fourth invention provides the aniline black particles according to the invention 4-1 wherein at least one treating agent selected from an alkylamine, a vinylalkylketone, a fatty acid, and a silane is present in an amount of 0.1 to 60.0% by weight. It is. (Invention 4-2)
また、第4の発明は、硫黄含有量が0.2重量%〜10.0重量%である本発明4−1または4−2に記載のアニリンブラック粒子である。(本発明4−3) A fourth invention is the aniline black particles according to the invention 4-1 or 4-2, wherein the sulfur content is from 0.2% by weight to 10.0% by weight. (Invention 4-3)
また、第4の発明は、一次粒子の平均粒径が0.05〜1.0μmである本発明4−1〜4−3のいずれかに記載のアニリンブラック粒子である。(本発明4−4) A fourth invention is the aniline black particles according to any one of the inventions 4-1 to 4-3, wherein the average particle diameter of the primary particles is 0.05 to 1.0 μm. (Invention 4-4)
また、第4の発明は、粉体pHが4.0〜9.0である本発明4−1〜4−4のいずれかに記載のアニリンブラック粒子である。(本発明4−5) A fourth invention is the aniline black particle according to any one of the inventions 4-1 to 4-4, wherein the powder pH is 4.0 to 9.0. (Invention 4-5)
また、第4の発明は、体積固有抵抗値が1.0×106〜1.0×1010Ω・cmである本発明4−1〜4−5のいずれかに記載のアニリンブラック粒子である。(本発明4−6) The fourth invention is the aniline black particles according to any one of the inventions 4-1 to 4-5, wherein the aniline black particles have a volume resistivity of 1.0 × 10 6 to 1.0 × 10 10 Ω · cm. is there. (Invention 4-6)
また、第4の発明は、本発明4−1〜4−6のいずれかに記載のアニリンブラック粒子を含んでなる樹脂組成物である。(本発明4−7) A fourth invention is a resin composition comprising the aniline black particles according to any one of the inventions 4-1 to 4-6. (Invention 4-7)
また、第4の発明は、本発明4−1〜4−6のいずれかに記載のアニリンブラック粒子を含んでなる溶剤系分散体である。(本発明4−8) A fourth invention is a solvent-based dispersion containing the aniline black particles according to any one of the inventions 4-1 to 4-6. (Invention 4-8)
第1の発明に係るアニリンブラック粒子は、自在な色相の黒を表現でき、従来では表現しづらかった青味の黒、紫味の黒、漆黒の黒でも表現することが可能で、黒色度に優れ、体積固有抵抗値の高いアニリンブラック粒子として好適である。 The aniline black particles according to the first invention can express black of any hue, and can express blue black, purple black, jet black which were conventionally difficult to express. It is suitable as aniline black particles having excellent volume resistivity.
第1の発明に係るアニリンブラック粒子によって着色した樹脂組成物は、分散状態に優れ、黒色度に優れるので樹脂組成物として好適である。また、本発明に係るアニリンブラック粒子によって着色した水系分散体、および、溶剤系分散体は、分散性に優れ、自在な色相の黒を表現でき、従来では表現しづらかった青味の黒、紫味の黒、漆黒の黒でも表現することが可能で、黒色度に優れるので、各種分散体として好適である。 The resin composition colored by the aniline black particles according to the first invention is excellent as a dispersed state and excellent in blackness, and thus is suitable as a resin composition. Further, the aqueous dispersion colored by the aniline black particles according to the present invention, and the solvent-based dispersion are excellent in dispersibility, can express black of any hue, and can be expressed in a bluish black or purple which has been difficult to express conventionally. It can be expressed in taste black and jet black, and is excellent in blackness, so that it is suitable as various dispersions.
第2の発明に係るアニリンブラック粒子は、青味の黒表現や高体積固有抵抗といったアニリンブラック粒子の長所に併せて、高黒色度や耐熱性といったカーボンブラックの長所を併せ持ったアニリンブラック粒子として好適である。 The aniline black particles according to the second invention are suitable as aniline black particles having the advantages of carbon black, such as high blackness and heat resistance, in addition to the advantages of aniline black particles, such as bluish black expression and high volume resistivity. It is.
第2の発明に係るアニリンブラック粒子によって着色した樹脂組成物は、分散性に優れ、黒色度に優れるので樹脂組成物として好適である。また、本発明に係るアニリンブラックに粒子よって着色した水系分散体、および、溶剤系分散体は、分散性に優れ、黒色度に優れるので、各種分散体として好適である。 The resin composition colored with aniline black particles according to the second invention is excellent as a resin composition because of its excellent dispersibility and excellent blackness. In addition, the aqueous dispersion and the solvent-based dispersion colored by aniline black according to the present invention are excellent in dispersibility and blackness, and thus are suitable as various dispersions.
第3の発明に係るアニリンブラック粒子は、自在な色相の黒を表現でき、黒色度に優れ、体積固有抵抗値が高く、分散性に優れたアニリンブラック粒子として好適である。 The aniline black particles according to the third aspect of the invention are suitable as aniline black particles that can express black of any hue, have excellent blackness, have high volume resistivity, and have excellent dispersibility.
第3の発明に係るアニリンブラック粒子によって着色した樹脂組成物は、自在な色相の黒を表現でき、黒色度に優れ、分散性に優れた樹脂組成物として好適である。また、本発明に係るアニリンブラック粒子によって着色した水系分散体、および、溶剤系分散体は、自在な色相の黒を表現でき、黒色度に優れ、分散性に優れた各種分散体として好適である。 The resin composition colored by the aniline black particles according to the third invention is suitable as a resin composition which can express black of any hue, has excellent blackness, and has excellent dispersibility. Further, the aqueous dispersion colored by the aniline black particles according to the present invention, and the solvent-based dispersion can express black of any hue, are excellent in blackness, and are suitable as various dispersions excellent in dispersibility. .
第4の発明に係るアニリンブラック粒子は、疎水化度が高いため、樹脂や有機溶剤などの疎水性媒体への分散性に優れ、黒色度に優れたアニリンブラック粒子として好適である。 Since the aniline black particles according to the fourth invention have a high degree of hydrophobicity, they are excellent in dispersibility in a hydrophobic medium such as a resin or an organic solvent, and are suitable as aniline black particles excellent in blackness.
第4の発明に係るアニリンブラック粒子によって着色した樹脂組成物は、分散性に優れ、黒色度に優れるので樹脂組成物として好適である。また、本発明に係るアニリンブラック粒子によって着色した溶剤系分散体は、分散性に優れ、黒色度に優れるので溶剤系分散体として好適である。 The resin composition colored by the aniline black particles according to the fourth invention has excellent dispersibility and excellent blackness, and thus is suitable as the resin composition. Further, the solvent-based dispersion colored by the aniline black particles according to the present invention has excellent dispersibility and blackness, and thus is suitable as a solvent-based dispersion.
本発明の構成をより詳しく説明すれば次の通りである。なお、本発明において、第1〜4の発明におけるアニリンブラック粒子を単にアニリンブラックと省略することもある。 The configuration of the present invention will be described in more detail as follows. In the present invention, the aniline black particles in the first to fourth inventions may be simply referred to as aniline black.
先ず、第1の発明に係るアニリンブラック粒子について述べる。 First, the aniline black particles according to the first invention will be described.
第1の発明に係るアニリンブラック粒子には、少なくとも、1種類以上の酸性染料が含まれる。この酸性染料はアニリンブラックの酸基の一部として含まれることで不溶化し、さらに、アニリンブラックとのπ−πスタッキングなどの相互作用により、アニリンブラックの高分子の絡み合いの中に層状に含まれるため、水や溶剤に溶け出しにくくなると推測される。 The aniline black particles according to the first invention contain at least one or more acid dyes. This acid dye is insolubilized by being included as a part of the acid group of aniline black, and is further contained in a layer in the entanglement of the polymer of aniline black by interaction such as π-π stacking with aniline black. Therefore, it is presumed that it is difficult to dissolve in water or a solvent.
第1の発明に係るアニリンブラック粒子に含まれる酸性染料は、芳香族スルホン酸、芳香族カルボン酸、フェノールから選ばれる官能基の1種以上、あるいは、それらの塩の官能基を有することが好ましい。あるいは、芳香族リン酸、芳香族ホウ酸、チオフェノール、あるいは、それらの塩の官能基を有してもよい。これらの酸性染料の官能基が直接の酸基となることが推定される。 The acid dye contained in the aniline black particles according to the first invention preferably has one or more functional groups selected from aromatic sulfonic acids, aromatic carboxylic acids, and phenols, or a functional group of a salt thereof. . Alternatively, it may have a functional group of aromatic phosphoric acid, aromatic boric acid, thiophenol, or a salt thereof. It is presumed that the functional groups of these acid dyes become direct acid groups.
第1の発明に係るアニリンブラック粒子に含まれる酸性染料は、トリフェニルメタン、キサンテン、フタロシアニン、インジゴ、アントラキノン、ナフトールアゾのいずれかの骨格を持つものが好ましい。これらの骨格は平面構造をしており、アニリンブラックのN−フェニルジベンゾパラアジン骨格とサイズ的にも似通っているため、π−πスタッキングなどの相互作用が発生しやすく、アニリンブラックの高分子の絡み合いの中に層状に含まれ易くなると推定される。例えば、(トリフェニルメタンの例)C.I.Acid Blue1,9,90,93,119、C.I.Acid Violet17、C.I.Food Blue5、C.I.Food Green3、フェノールフタレインなど(キサンテンの例)C.I.Acid Red51,52,92,93,94、ローダミンB、ローダミン123、フルオレセインなど、(フタロシアニンの例)C.I.Direct Blue86,199、C.I.Reactive Blue15など、(アントラキノンの例)C.I.Acid Blue25,40,43,62,129、C.I.Acid Green25,41、C.I.Acid Violet42,43、C.I.Acid Black48、C.I.Reactive Blue19など、(ナフトールアゾの例)C.I.Acid Red1,13,14,18,27,32,42,88,138、C.I.Acid Orange7,19、C.I.Acid Violet14、C.I.Acid Blue92,113、C.I.Acid Black1,26、C.I.Acid Yellow 65、C.I.Mordant Black9,11、C.I.Mordant Blue13、C.I.Food Yellow3、C.I.Food Red3,7,9,40、C.I.Food Black1などが挙げられる。 The acid dye contained in the aniline black particles according to the first invention preferably has an skeleton of any of triphenylmethane, xanthene, phthalocyanine, indigo, anthraquinone, and naphtholazo. Since these skeletons have a planar structure and are similar in size to the N-phenyldibenzoparaazine skeleton of aniline black, interactions such as π-π stacking are likely to occur, and the aniline black polymer It is presumed that the entanglement is likely to be included in a layered manner. For example, (example of triphenylmethane) C.I. I. Acid Blue 1, 9, 90, 93, 119, C.I. I. Acid Violet 17, C.I. I. Food Blue 5, C.I. I. Food Green 3, phenolphthalein, etc. (examples of xanthene) C.I. I. Acid Red 51, 52, 92, 93, 94, rhodamine B, rhodamine 123, fluorescein and the like (examples of phthalocyanine). I. Direct Blue 86, 199, C.I. I. Reactive Blue 15, etc. (Examples of anthraquinone) C.I. I. Acid Blue 25, 40, 43, 62, 129, C.I. I. Acid Green 25, 41, C.I. I. Acid Violet 42, 43, C.I. I. Acid Black 48, C.I. I. Reactive Blue 19, etc. (Examples of naphthol azo) C.I. I. Acid Red 1, 13, 14, 18, 27, 32, 42, 88, 138, C.I. I. Acid Orange 7, 19, C.I. I. Acid Violet 14, C.I. I. Acid Blue 92, 113, C.I. I. Acid Black 1, 26, C.I. I. Acid Yellow 65, C.I. I. Morant Black 9, 11, C.I. I. Mordant Blue 13, C.I. I. Food Yellow 3, C.I. I. Food Red 3, 7, 9, 40, C.I. I. Food Black 1 and the like.
第1の発明に係るアニリンブラック粒子に含まれる酸性染料の中には、機能を持つもの、例えば、蛍光を発するもの(ローダミンB、ローダミン123、フルオレセインなど)、pHや熱などで色が変化するもの(フェノールフタレインなど)などもあり、それらを含ませて機能をもたせてもよい。 Among the acid dyes contained in the aniline black particles according to the first invention, those having a function, for example, those that emit fluorescence (rhodamine B, rhodamine 123, fluorescein, etc.), and the color changes due to pH, heat, etc. There are also substances (phenolphthalein, etc.), and these may be included to give a function.
第1の発明に係るアニリンブラック粒子に含まれる酸性染料の量は、アニリンブラック基本骨格100重量部に対して、酸性染料を1〜30重量部含むことが好ましい。1重量部未満の場合は、酸性染料の効果が希薄である。30重量部を超える場合には酸性染料がアニリンブラックの酸基として含まれる量を超えており、遊離した酸性染料が樹脂、水、溶剤などの媒体に溶け出す恐れがある。より好ましい量は1〜25重量部である。さらに好ましい量は3〜20重量部である。 The amount of the acid dye contained in the aniline black particles according to the first invention is preferably 1 to 30 parts by weight of the acid dye based on 100 parts by weight of the aniline black basic skeleton. When the amount is less than 1 part by weight, the effect of the acid dye is weak. When the amount exceeds 30 parts by weight, the amount of the acid dye exceeds the amount contained as the acid group of aniline black, and the released acid dye may be dissolved in a medium such as a resin, water, or a solvent. A more preferred amount is 1 to 25 parts by weight. A more preferred amount is 3 to 20 parts by weight.
第1の発明に係るアニリンブラック粒子に含まれる酸性染料は、目的の色相、黒色度、機能を表現するため、種類、量を調整して、アニリンブラックに含まれる。また、複数の酸性染料を混合して含ませてもよい。また、異なる酸性染料を含んだアニリンブラックを混合して用いることもできる。さらには、本発明に係るアニリンブラックをカーボンブラックなどの既存の色素に混合して用いることもできる。 The acid dye contained in the aniline black particles according to the first invention is included in aniline black by adjusting the type and amount thereof to express a desired hue, blackness, and function. Further, a plurality of acid dyes may be mixed and contained. In addition, aniline black containing different acid dyes can be used as a mixture. Further, the aniline black according to the present invention can be used by being mixed with an existing dye such as carbon black.
第1の発明に係るアニリンブラック粒子は、さらに、後述する第2の発明に係るアニリンブラック粒子で使用される含硫黄化合物を含有してもよい。第1の発明に係るアニリンブラック粒子は、さらに、後述する第2の発明に係るアニリンブラック粒子で使用されるカーボンブラックを含有してもよい。第1の発明に係るアニリンブラック粒子は、さらに、後述する第3の発明に係るアニリンブラック粒子で使用される有彩色顔料、すなわち例示される無機顔料および有機顔料を含有してもよい。第1の発明に係るアニリンブラック粒子は、さらに、後述する第4の発明に係るアニリンブラック粒子で施される疎水化処理を行い、規定される疎水化度を有していてもよい。 The aniline black particles according to the first invention may further contain a sulfur-containing compound used in the aniline black particles according to the second invention described later. The aniline black particles according to the first invention may further contain carbon black used in the aniline black particles according to the second invention described later. The aniline black particles according to the first invention may further contain a chromatic pigment used in the aniline black particles according to the third invention described later, that is, the exemplified inorganic pigments and organic pigments. The aniline black particles according to the first invention may further be subjected to a hydrophobizing treatment performed on the aniline black particles according to the fourth invention described later, and have a specified degree of hydrophobicity.
次に、第2の発明に係るアニリンブラック粒子について述べる。 Next, the aniline black particles according to the second invention will be described.
第2の発明に係るアニリンブラック粒子には、カーボンブラックを、アニリンブラック基本骨格100重量部に対して、1〜60重量部含む。カーボンブラックが1重量部未満ではカーボンブラックを含む効果が希薄である。カーボンブラックが60重量部を超える場合では、体積固有抵抗値が低くなってしまう。より好ましいカーボンブラックの含有量は、5〜50重量部である。 The aniline black particles according to the second invention contain 1 to 60 parts by weight of carbon black based on 100 parts by weight of the basic skeleton of aniline black. If the amount of carbon black is less than 1 part by weight, the effect of including carbon black is diminished. When the amount of carbon black exceeds 60 parts by weight, the volume specific resistance value becomes low. A more preferred content of carbon black is 5 to 50 parts by weight.
第2の発明に係るアニリンブラック粒子は、分散状態のカーボンブラックを高分子のアニリンブラックで被覆した状態であることが好ましい。分散状態のカーボンブラックを内包することによって、青味の黒表現や高い体積固有抵抗を有し、高い黒色度や耐熱性を有することができる。 The aniline black particles according to the second invention are preferably in a state where carbon black in a dispersed state is covered with a high molecular weight aniline black. By including the carbon black in a dispersed state, it is possible to have a bluish black expression, high volume resistivity, and high blackness and heat resistance.
第2の発明に係るアニリンブラック粒子に含まれるカーボンブラックの一次粒子の平均粒径は0.01〜0.1μmが好ましい。カーボンブラックの一次粒子の平均粒径が0.01μmよりも小さい場合はアニリンブラック粒子中で分散されにくく、0.1μmよりも大きい場合はアニリンブラック粒子の表面にはみ出して体積固有抵抗値が著しく低下する。 The average particle size of the primary particles of carbon black contained in the aniline black particles according to the second invention is preferably from 0.01 to 0.1 μm. If the average particle size of the primary particles of the carbon black is smaller than 0.01 μm, it is difficult to disperse in the aniline black particles. If the average particle size is larger than 0.1 μm, the carbon particles protrude to the surface of the aniline black particles and the volume resistivity is significantly reduced. I do.
第2の発明に係るアニリンブラック粒子に含まれるカーボンブラックは、特に限定されるものではないが、ファーネスブラック、ランプブラック、チャンネルブラック、アセチレンブラック、サーマルブラックのいずれでも用いることができる。また、目的に応じて、複数の種類のカーボンブラックを混合してアニリンブラックに含ませてもよい。また、異なるカーボンブラックを含んだアニリンブラックを混合して用いることができる。さらには、第2の発明に係るアニリンブラック粒子をカーボンブラックなどの既存の色素に混合して用いることもできる。 The carbon black contained in the aniline black particles according to the second invention is not particularly limited, but any of furnace black, lamp black, channel black, acetylene black, and thermal black can be used. Further, depending on the purpose, a plurality of types of carbon black may be mixed and included in aniline black. Further, aniline blacks containing different carbon blacks can be mixed and used. Further, the aniline black particles according to the second invention can be mixed with an existing dye such as carbon black and used.
第2の発明に係るアニリンブラック粒子には、カーボンブラック以外の無機顔料、有機顔料、樹脂などを分散状態、溶解状態で含むこと、あるいは、単純に添加することができる。例えば、チタン酸鉄、コバルトブラック、マンガンブラック、鉄銅クロマイトブラック、マンガンフェライトブラック、鉄コバルトブラック、銅クロマイトブラック、硫化モリブデン、酸化鉄などの無機顔料、ペリレンブラック、フタロシアニン、キナクリドン、モノアゾイエローなどの有機顔料、ポリスチレン、ポリエチレン、ポリエステルなどの樹脂などが挙げられる。無機顔料および有機顔料としては、後述する第3の発明に係るアニリンブラック粒子で使用される有彩色顔料として例示されている無機顔料および有機顔料も使用できる。 The aniline black particles according to the second invention can contain inorganic pigments, organic pigments, resins and the like other than carbon black in a dispersed state or a dissolved state, or can be simply added. For example, inorganic pigments such as iron titanate, cobalt black, manganese black, iron copper chromite black, manganese ferrite black, iron cobalt black, copper chromite black, molybdenum sulfide, iron oxide, perylene black, phthalocyanine, quinacridone, and monoazo yellow Organic pigments, resins such as polystyrene, polyethylene, and polyester are exemplified. As the inorganic pigment and the organic pigment, the inorganic pigment and the organic pigment exemplified as the chromatic color pigment used in the aniline black particles according to the third invention described later can also be used.
また、第1の発明に係るアニリンブラック粒子をカーボンブラックと共に使用して第2の発明に係るアニリンブラック粒子としてもよい。さらに、後述する第4の発明に係るアニリンブラック粒子で施される疎水化処理を行い、規定される疎水化度を有していてもよい。 Further, the aniline black particles according to the second invention may be used by using the aniline black particles according to the first invention together with carbon black. Further, the aniline black particles according to a fourth invention described below may be subjected to a hydrophobic treatment to have a specified degree of hydrophobicity.
次に、第3の発明に係るアニリンブラック粒子について述べる。 Next, the aniline black particles according to the third invention will be described.
第3の発明に係るアニリンブラック粒子は、有彩色顔料を、アニリンブラック基本骨格100重量部に対して、1〜60重量部含む。有彩色顔料が1重量部未満では有彩色顔料を含む効果が希薄である。有彩色顔料が60重量部を超える場合では、体積固有抵抗値が低くなってしまう。より好ましい有彩色顔料の含有量は、5〜50重量部である。 The aniline black particles according to the third invention contain a chromatic color pigment in an amount of 1 to 60 parts by weight based on 100 parts by weight of the aniline black basic skeleton. If the amount of the chromatic color pigment is less than 1 part by weight, the effect of including the chromatic color pigment is weak. When the amount of the chromatic pigment exceeds 60 parts by weight, the volume specific resistance value becomes low. A more preferred content of the chromatic color pigment is 5 to 50 parts by weight.
第3の発明に係るアニリンブラック粒子に含まれる顔料は、特に限定されるものではないが、黒、白以外の有彩色顔料が好ましく、無機顔料、有機顔料いずれでも用いることができる。また、目的に応じて、複数の種類の有彩色顔料を混合してアニリンブラックに含ませてもよい。また、異なる有彩色顔料を含んだアニリンブラックを混合して用いることができる。さらには、第3の発明に係るアニリンブラックを既存の色素に混合して用いることができる。 The pigment contained in the aniline black particles according to the third invention is not particularly limited, but a chromatic pigment other than black and white is preferable, and any of an inorganic pigment and an organic pigment can be used. Further, depending on the purpose, a plurality of types of chromatic pigments may be mixed and included in aniline black. In addition, aniline black containing different chromatic pigments can be mixed and used. Further, the aniline black according to the third invention can be used by being mixed with an existing dye.
無機顔料としては、特に限定されるものではないが、酸化鉄、バリウムイエロー、ストロンチウムクロメート、黄鉛、カドミウムジンクイエロー、コバルトイエロー、チタンイエロー、べんがら、モリブデートオレンジ、コバルトブルー、ウルトラマリンブルー、セルリアンブルー、ジルコニウムバナジウムブルー、酸化クロムなどが挙げられる。具体的には、C.I.Pigment Yellow31,32,34,35,35:1,36,37,37:1,40,41,42,43,48,53,118,119,157,158,159,160,161,162,163,164,184,189、Pigment Orange20,21,23,75,78、C.I.Pigment Red101,102,104105,106,107,108,108:1,113,230,231,232,233,235,235,275、C.I.Pigment Violet14,15,16,47,49、C.I.Pigment Blue27,28,29,33,35,36,71,72,73,74、C.I.Pigment Green17,18,19,21,23,26,50、C.I.Pigment Brown6,7,11,24,29,31,33,34,35,37,39,40,43,44,45、C.I.Pigment Metal1,2,4,5,6、パール顔料、昼光蛍光顔料、無機蛍光顔料などが挙げられる。 Examples of the inorganic pigment include, but are not particularly limited to, iron oxide, barium yellow, strontium chromate, graphite, cadmium zinc yellow, cobalt yellow, titanium yellow, red iron, molybdate orange, cobalt blue, ultramarine blue, and cerulean. Blue, zirconium vanadium blue, chromium oxide and the like. Specifically, C.I. I. Pigment Yellow 31, 32, 34, 35, 35: 1, 36, 37, 37: 1, 40, 41, 42, 43, 48, 53, 118, 119, 157, 158, 159, 160, 161, 162, 163 , 164, 184, 189, Pigment Orange 20, 21, 23, 75, 78, C.I. I. Pigment Red 101, 102, 104 105, 106, 107, 108, 108: 1, 113, 230, 231, 232, 233, 235, 235, 275, C.I. I. Pigment Violet 14, 15, 16, 47, 49, C.I. I. Pigment Blue 27, 28, 29, 33, 35, 36, 71, 72, 73, 74, C.I. I. Pigment Green 17, 18, 19, 21, 23, 26, 50, C.I. I. Pigment Brown 6, 7, 11, 24, 29, 31, 33, 34, 35, 37, 39, 40, 43, 44, 45, C.I. I. Pigment Metals 1, 2, 4, 5, 6, pearl pigments, daylight fluorescent pigments, inorganic fluorescent pigments and the like.
有機顔料としては、特に限定されるものではないが、インジゴ、フタロシアニンブルー、フタロシアニングリーン、ナフトールレッド、ジケトピロロピロール、キナクリドン、モノアゾイエロー、ジスアゾイエローなどが挙げられる。具体的には、C.I.Pigment Yellow1,2,3,4,5,6,9,10,12,13,14,16,17,18,24,55,61,62,62:1,63,65,73,74,75,81,83,87,93,94,95,97,100,101,104,105,108,109,110,111,115,116,117,120,126,127,128,138,139,147,150,151,152,153,154,155,156,166,167,168,169,170,172,173,174,175,176,180,181,182,183,185,188,191,193,194,198,199,202,203、C.I.Pigment Orange1,2,5,13,16,17,22,24,34,36,38,43,46,48,49,61,62,64,65,67,68,69,71,72,73,74,77、C.I.Pigment Red1,2,3,4,5,6,8,9,12,14,15,16,17,21,22,23,31,32,37,38,41,48:1,48:2,48:3,48:4,49:1,49;2,50:1,52:1,52:2,53,53:1,53:2,57,57:1,58:4,60,63:1,63:2,64:1,68,81,81:1,81:2,81:3,81:4,83,88,90:1,112,114,122,123,144,146,147,149,150,151,166,168,169,170,171,172,173,174,175,176,177,178,179,181,184,185,187,188,190,191,193,194,200,202,206,207,208,209,210,214,216,220,221,224,242,243,245,247,251,253,254,255,256,257,258,260,264,266,267,268,269,270,272,273,274,275、C.I.Pigment Violet1,2,2:2,3,3:1,3:3,5,5:1,19,23,25,27,29,31,32,37,39,42,50、C.I.Pigment Blue1,1:2,9,14,15,15:1,15:2,15:3,15:4,15:6,16,17,24,25,56,60,61,62,63,66、C.I.Pigment Green1,2,4,7,8,10,12,15,36、C.I.Pigment Brown1,22,23,25,27などが挙げられる。 Examples of the organic pigment include, but are not particularly limited to, indigo, phthalocyanine blue, phthalocyanine green, naphthol red, diketopyrrolopyrrole, quinacridone, monoazo yellow, disazo yellow, and the like. Specifically, C.I. I. Pigment Yellow 1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 14, 16, 17, 18, 24, 55, 61, 62, 62: 1, 63, 65, 73, 74, 75 , 81, 83, 87, 93, 94, 95, 97, 100, 101, 104, 105, 108, 109, 110, 111, 115, 116, 117, 120, 126, 127, 128, 138, 139, 147 , 150, 151, 152, 153, 154, 155, 156, 166, 167, 168, 169, 170, 172, 173, 174, 175, 176, 180, 181, 182, 183, 185, 188, 191 and 193 , 194, 198, 199, 202, 203, C.I. I. Pigment Orange 1, 2, 5, 13, 16, 17, 22, 24, 34, 36, 38, 43, 46, 48, 49, 61, 62, 64, 65, 67, 68, 69, 71, 72, 73 , 74, 77, C.I. I. Pigment Red1,2,3,4,5,6,8,9,12,14,15,16,17,21,22,23,31,32,37,38,41,48: 1,48: 2 , 48: 3,48: 4,49: 1,49; 2,50: 1,52: 1,52: 2,53,53: 1,53: 2,57,57: 1,58: 4,60. , 63: 1, 63: 2, 64: 1, 68, 81, 81: 1, 81: 2, 81: 3, 81: 4, 83, 88, 90: 1, 112, 114, 122, 123, 144. , 146, 147, 149, 150, 151, 166, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 181, 184, 185, 187, 188, 190, 191 , 193, 194, 200, 202, 206, 2 7, 208, 209, 210, 214, 216, 220, 221, 224, 242, 243, 245, 247, 251, 253, 254, 255, 256, 257, 258, 260, 264, 266, 267, 268, 269, 270, 272, 273, 274, 275, C.I. I. Pigment Violet1,2,2: 2,3,3: 1,3: 3,5,5: 1,19,23,25,27,29,31,32,37,39,42,50, C.I. I. Pigment Blue 1, 1: 2, 9, 14, 15, 15: 1, 15: 2, 15: 3, 15: 4, 15: 6, 16, 17, 24, 25, 56, 60, 61, 62, 63 , 66, C.I. I. Pigment Green 1, 2, 4, 7, 8, 10, 12, 15, 36, C.I. I. Pigment Brown 1, 22, 23, 25, 27, and the like.
第3の発明に係るアニリンブラック粒子は、分散状態の有彩色顔料を高分子のアニリンブラックで被覆した状態であることが好ましい。分散状態の有彩色顔料を内包することによって、その顔料の色相を効果的に反映しながら、高い黒色度、高い体積固有抵抗を有するアニリンブラックとなる。 The aniline black particles according to the third invention are preferably in a state in which a chromatic pigment in a dispersed state is covered with a high molecular weight aniline black. By containing the chromatic color pigment in a dispersed state, aniline black having high blackness and high volume resistivity can be obtained while effectively reflecting the hue of the pigment.
第3の発明に係るアニリンブラック粒子に含まれる有彩色顔料の一次粒子の平均粒径は0.01〜0.2μmが好ましい。顔料の一次粒子の平均粒径が0.01μmよりも小さい場合はアニリンブラック粒子中で分散されにくく、0.2μmよりも大きい場合はアニリンブラック粒子の表面にはみ出して体積固有抵抗値が著しく低下する場合がある。 The average particle size of the primary particles of the chromatic pigment contained in the aniline black particles according to the third invention is preferably from 0.01 to 0.2 μm. When the average particle size of the primary particles of the pigment is smaller than 0.01 μm, it is difficult to disperse in the aniline black particles, and when the average particle size is larger than 0.2 μm, the primary particles protrude to the surface of the aniline black particles and the volume resistivity is significantly reduced. There are cases.
第3の発明に係るアニリンブラック粒子には、有彩色顔料以外の樹脂などを分散状態、溶解状態で含むこと、あるいは、単純に添加することができる。例えば、ポリスチレン、ポリエチレン、ポリエステルなどの樹脂などが挙げられる。 The aniline black particles according to the third invention can contain a resin other than the chromatic pigment in a dispersed state or a dissolved state, or can be simply added. For example, resins such as polystyrene, polyethylene, and polyester are exemplified.
次に、第4の発明に係るアニリンブラック粒子について述べる。 Next, the aniline black particles according to the fourth invention will be described.
第4の発明に係るアニリンブラック粒子は、粉体濡れ性試験による疎水化度は5〜80体積%である。疎水化度が前記範囲内にあるとき、疎水性が高い樹脂や有機溶剤であっても容易に分散することができる。疎水化度が5体積%未満の場合、親水度が強すぎて、樹脂や有機溶剤に分散しづらい。また、疎水化度が80体積%以上になると、アニリンブラック粒子表面が樹脂や有機溶剤に濡れにくく、分散が困難になる。好ましい疎水化度は8〜75体積%、より好ましくは7〜70体積%である。 The aniline black particles according to the fourth invention have a hydrophobicity of 5 to 80% by volume in a powder wettability test. When the degree of hydrophobicity is in the above range, even a highly hydrophobic resin or organic solvent can be easily dispersed. When the degree of hydrophobicity is less than 5% by volume, the degree of hydrophilicity is too strong, and it is difficult to disperse in a resin or an organic solvent. On the other hand, when the degree of hydrophobicity is 80% by volume or more, the surface of the aniline black particles is hardly wet with the resin or the organic solvent, and the dispersion becomes difficult. The preferred degree of hydrophobicity is 8 to 75% by volume, more preferably 7 to 70% by volume.
粉体濡れ性試験による疎水化度は、試料粉体を純水に浮遊させ、攪拌しながら濡れ性の高い水溶性有機溶剤を連続的に供給して、試料紛体が濡れて沈降する状態について透過強度を測定し、透過光強度と水溶性有機溶剤の濃度とをプロットして、透過光強度が50%になったときの水溶性有機溶剤の濃度を疎水化度として定義した。疎水化度が高いほど粉体の疎水性が高いと判定される。 The degree of hydrophobicity by the powder wettability test indicates that the sample powder is suspended in pure water, and a water-soluble organic solvent with high wettability is continuously supplied with stirring, and the sample powder wets and sinks. The intensity was measured, the transmitted light intensity and the concentration of the water-soluble organic solvent were plotted, and the concentration of the water-soluble organic solvent when the transmitted light intensity became 50% was defined as the degree of hydrophobicity. It is determined that the higher the degree of hydrophobicity, the higher the hydrophobicity of the powder.
水溶性有機溶剤としては、特に限定するものではないが、アルコール、ケトンなどが用いられる。例えば、メタノール、エタノール、イソプロパノール、アセトンなどが挙げられ、1つ以上組み合わさったものでもよい。 Examples of the water-soluble organic solvent include, but are not particularly limited to, alcohols and ketones. For example, methanol, ethanol, isopropanol, acetone and the like can be mentioned, and one or more of them may be combined.
上記疎水化度は、処理剤の種類、処理剤の添加量、および、アニリンブラックの酸基として存在する含硫黄化合物の種類、量を調整することにより、上記の範囲を達成することができる。 The above-mentioned range can be achieved by adjusting the type of the treatment agent, the amount of the treatment agent added, and the type and amount of the sulfur-containing compound present as an acid group of aniline black.
第4の発明に係るアニリンブラック粒子の処理剤としては、アルキルアミン、ビニルアルキルケトン、脂肪酸、シランから選ばれた1つ以上の処理剤であることが好ましい。アルキルアミン、脂肪酸などは反応を介さず表面へ堆積、あるいは、吸着によって表面に存在する。ビニルアルキルケトン、シランなどは、マイケル付加反応、脱水反応などを介して表面へ共有結合をする。 The treating agent for aniline black particles according to the fourth invention is preferably one or more treating agents selected from alkylamines, vinylalkylketones, fatty acids, and silanes. Alkylamines, fatty acids, and the like are deposited on the surface without any reaction, or are present on the surface by adsorption. Vinyl alkyl ketone, silane, and the like form a covalent bond to the surface via a Michael addition reaction, a dehydration reaction, or the like.
第4の発明に係るアニリンブラック粒子の処理剤の量は0.1〜60.0重量%が好ましい。処理剤の量が0.1重量%未満では、疎水化度が0%である。処理剤の量が60.0重量%以上では、処理剤が多すぎて処理剤自体が分散の邪魔になりやすい。より好ましい処理剤の量は0.2〜50.0重量%、さらに好ましくは0.5〜48.0重量%である。 The amount of the treating agent for the aniline black particles according to the fourth invention is preferably 0.1 to 60.0% by weight. When the amount of the treating agent is less than 0.1% by weight, the degree of hydrophobicity is 0%. When the amount of the treatment agent is 60.0% by weight or more, the treatment agent itself tends to be a hindrance to dispersion due to too much treatment agent. A more preferred amount of the treating agent is 0.2 to 50.0% by weight, and further preferably 0.5 to 48.0% by weight.
アルキルアミンとしては、メチルアミン、エチルアミン、プロピルアミン、ブチルアミンヘキシルアミン、オクチルアミン(カプリルアミン)、デシルアミン、ドデシルアミン(ラウリルアミン)、テトラデシルアミン(ミリスチルアミン)、ヘキサデシルアミン、オクタデシルアミン、ステアリルアミン、オレイルアミン、ココナッツアミン、牛脂アミン、ジステアリルアミン、ジメチルココナッツアミン、ジメチルオクチルアミン、ジメチルデシルアミン、ジメシルラウリルアミン、ジメチルミリスチルアミン、ジメチルパルミチルアミン、ジメチルステアリルアミン、ジメチルベヘニルアミン、ジラウリルモノメチルアミン、トリオクチルアミン、硬化牛脂プロピレンジアミン、牛脂プロピレンジアミン、などが挙げられ、1つ以上組み合わさったものでもよい。 Examples of the alkylamine include methylamine, ethylamine, propylamine, butylaminehexylamine, octylamine (caprylamine), decylamine, dodecylamine (laurylamine), tetradecylamine (myristylamine), hexadecylamine, octadecylamine, and stearylamine. , Oleylamine, coconut amine, tallowamine, distearylamine, dimethylcoconutamine, dimethyloctylamine, dimethyldecylamine, dimesyllaurylamine, dimethylmyristylamine, dimethylpalmitylamine, dimethylstearylamine, dimethylbehenylamine, dilaurylmonomethyl Amine, trioctylamine, hardened tallow propylene diamine, tallow propylene diamine, and the like; It may be those together.
ビニルアルキルケトンとしては、ビニルメチルケトン、ビニルエチルケトン、ビニルプロピルケトン、ビニルペンチルケトン、ビニルヘキシルケトン、2−シクロヘキセン−1−オン、ビニルフェニルケトンなどが挙げられ、1つ以上組み合わさったものでもよい。 Examples of the vinyl alkyl ketone include vinyl methyl ketone, vinyl ethyl ketone, vinyl propyl ketone, vinyl pentyl ketone, vinyl hexyl ketone, 2-cyclohexen-1-one, vinyl phenyl ketone, and the like. Good.
脂肪酸としては、ブタン酸、ペンタン酸、ヘキサン酸、ヘプタン酸、オクタン酸、ノナン酸、デカン酸、ドデカン酸、テトラデカン酸、ペンタデカン酸、ヘキサデカン酸、ヘプタデカン酸、ステアリン酸、オレイン酸、バクセン酸、リノール酸、リノレン酸、エレオステアリン酸、アラキジン酸、アラキドン酸、ベヘン酸、リグノセリン酸、ネルボン酸などが挙げられ、1つ以上組み合わさったものでもよい。 Fatty acids include butanoic, pentanoic, hexanoic, heptanoic, octanoic, nonanoic, decanoic, dodecanoic, tetradecanoic, pentadecanoic, hexadecanoic, heptadecanoic, stearic, oleic, vaccenic, linoleic Examples thereof include acids, linolenic acid, eleostearic acid, arachidic acid, arachidonic acid, behenic acid, lignoceric acid, and nervonic acid, and may be a combination of one or more.
シランとしては、テトラメトキシシラン、テトラエトキシシラン、メチルトリメトキシシラン、メチルトリエトキシシラン、ジメチルジエトキシシラン、ジメチルジエトキシシラン、トリメチルトリメトキシシラン、トリエチルエトキシシラン、ヘキシルトリメトキシシラン、ヘキシルトリエトキシシラン、デシルトリメトキシシラン、フェニルトリメトキシシラン、フェニルトリエトキシシラン、ジフェニルジメトキシシラン、ジフェニルジエトキシシラン、トリフェニルエトキシシラン、ビニルトリメトキシシラン、ビニルトリエトキシシラン、2−(3,4−エポキシシクロヘキシル)エチルトリメトキシシラン、3−グリシドキシプロピルメチルジメトキシシラン、3−グリシドキシプロピルトリメトキシシラン、3−グリシドプロピルメチルジエトキシシラン、3−グリシドプロピルトリエトキシシラン、p−スチリルメトキシシラン、3−メタクリロキシプロピルメチルジメトキシシラン、3−メタクリロキシプロピルトリエトキシシラン、3−メタクリロキシプロピルメチルジエトキシシラン、3−メタクリロキシプロピルトリエトキシシラン、3−アクリロキシプロピルトリメトキシシラン、N−2−(アミノエチル)−3−アミノプロピルメチルジメトキシシラン、N−2−(アミノエチル)−3−アミノプロピルトリメトキシシラン、3−アミノプロピルトリエトキシシラン、3−アミノプロピルトリエトキシシラン、3−トリエトキシシリル−N−(1,3−ジメチル−ブチリデン)プロピルアミン、N−フェニル−3−アミノプロピルトリメトキシシラン、N−(ビニルベンジル)−2−アミノエチル−3−アミノエチル−3−アミノプロピルトリメトキシシラン、3−ウレイドプロピルトリエトキシシラン、3−メルカプトプロピルメチルジメトキシシラン、3−メルカプトプロピルトリメトキシシラン、ビス(トリエトキシプロピル)テトラスルフィド、3−イソシアネートプロピルトリエトキシシラン、アルコキシシランオリゴマー、メチルトリクロロシラン、ジメチルジクロロシラン、トリメチルクロロシラン、ヘキサメチルジシラザン、ヘキサフェニルジシラザンなどが挙げられ、1つ以上組み合わさったものでもよい。 As silane, tetramethoxysilane, tetraethoxysilane, methyltrimethoxysilane, methyltriethoxysilane, dimethyldiethoxysilane, dimethyldiethoxysilane, trimethyltrimethoxysilane, triethylethoxysilane, hexyltrimethoxysilane, hexyltriethoxysilane , Decyltrimethoxysilane, phenyltrimethoxysilane, phenyltriethoxysilane, diphenyldimethoxysilane, diphenyldiethoxysilane, triphenylethoxysilane, vinyltrimethoxysilane, vinyltriethoxysilane, 2- (3,4-epoxycyclohexyl) Ethyltrimethoxysilane, 3-glycidoxypropylmethyldimethoxysilane, 3-glycidoxypropyltrimethoxysilane, 3-glycidopro Methyldiethoxysilane, 3-glycidopropyltriethoxysilane, p-styrylmethoxysilane, 3-methacryloxypropylmethyldimethoxysilane, 3-methacryloxypropyltriethoxysilane, 3-methacryloxypropylmethyldiethoxysilane, 3 -Methacryloxypropyltriethoxysilane, 3-acryloxypropyltrimethoxysilane, N-2- (aminoethyl) -3-aminopropylmethyldimethoxysilane, N-2- (aminoethyl) -3-aminopropyltrimethoxysilane , 3-aminopropyltriethoxysilane, 3-aminopropyltriethoxysilane, 3-triethoxysilyl-N- (1,3-dimethyl-butylidene) propylamine, N-phenyl-3-aminopropyltrimethoxysilane N- (vinylbenzyl) -2-aminoethyl-3-aminoethyl-3-aminopropyltrimethoxysilane, 3-ureidopropyltriethoxysilane, 3-mercaptopropylmethyldimethoxysilane, 3-mercaptopropyltrimethoxysilane, bis (Triethoxypropyl) tetrasulfide, 3-isocyanatopropyltriethoxysilane, alkoxysilane oligomer, methyltrichlorosilane, dimethyldichlorosilane, trimethylchlorosilane, hexamethyldisilazane, hexaphenyldisilazane, and the like. May be used.
第4の発明に係るアニリンブラック粒子の処理剤は、目的の色相、黒色度を表現するため、種類、量を調整して存在させる。また、複数の処理剤を混合して存在させてもよい。また、異なる処理剤を存在させたアニリンブラックを混合して用いることもできる。さらには、第4の発明に係るアニリンブラック粒子をカーボンブラックなどの既存の色素に混合して用いることもできる。 The treatment agent for aniline black particles according to the fourth aspect of the present invention is present with its type and amount adjusted to express the desired hue and blackness. Further, a plurality of processing agents may be mixed and present. In addition, aniline black in which different treating agents are present can be mixed and used. Furthermore, the aniline black particles according to the fourth invention can be used by being mixed with an existing dye such as carbon black.
次に、第1〜4の発明に係るアニリンブラック粒子に共通な特徴について説明する。 Next, features common to the aniline black particles according to the first to fourth inventions will be described.
第1〜4の発明に係るアニリンブラック粒子に含まれる硫黄含有量は、0.2〜10.0重量%が好ましい。硫黄含有の由来はアニリンブラックの酸基の一部に含まれる含硫黄化合物によるものである。含硫黄化合物はアニリンブラック合成段階において添加し、アニリンなどの芳香族アミン、あるいは、芳香族アミンの塩の一部と、酸基として結びついて、水中でミセルを形成する。
第2、3の発明に係るアニリンブラック粒子では、この水溶液を用いてカーボンブラック(第2の発明に係るアニリンブラック粒子)、有彩色顔料(第3の発明に係るアニリンブラック粒子)を分散させると、ミセル中にカーボンブラック、有彩色顔料が取り込まれた状態で分散する(乳化状態)。そして、そのまま酸化剤を加えて重合すると、乳化状態で酸化重合され、第2、3の発明に係るアニリンブラック粒子では、カーボンブラック、有彩色顔料を含むアニリンブラック粒子となる。また、酸基として残った含硫黄化合物はアニリンブラック粒子の分散性向上に寄与しているものと推定される。より好ましい硫黄含有量は、0.2〜6.0重量%である。
第4の発明に係るアニリンブラック粒子では、上記の酸化重合された後に、前述の処理剤を表面処理すると第4の発明に係るアニリンブラック粒子となる。この含硫黄化合物は粒子の形状制御と表面性に大きく貢献しているものと推定される。含硫黄化合物がない場合は、処理剤を多く処理しても疎水化度が低く、樹脂や有機溶剤へ分散しにくい場合がある。また、含硫黄化合物がない場合に、多量の処理剤を処理して疎水化度を高めたとしても、樹脂や有機溶剤へ分散しにくい。より好ましい硫黄含有量は、0.2〜8.0重量%、さらにより好ましくは0.3〜6.0重量%である。
The sulfur content of the aniline black particles according to the first to fourth inventions is preferably 0.2 to 10.0% by weight. The origin of the sulfur content is due to the sulfur-containing compound contained in a part of the acid groups of aniline black. The sulfur-containing compound is added in the aniline black synthesis step, and is combined with an aromatic amine such as aniline or a part of a salt of the aromatic amine as an acid group to form micelles in water.
In the aniline black particles according to the second and third inventions, carbon black (aniline black particles according to the second invention) and chromatic pigments (aniline black particles according to the third invention) are dispersed using this aqueous solution. The carbon black and the chromatic pigment are dispersed in the micelles (emulsified state). Then, when the oxidizing agent is added and polymerized as it is, it is oxidatively polymerized in an emulsified state, and the aniline black particles according to the second and third inventions become aniline black particles containing carbon black and chromatic pigments. Further, it is presumed that the sulfur-containing compound remaining as an acid group contributes to the improvement in dispersibility of the aniline black particles. A more preferred sulfur content is 0.2 to 6.0% by weight.
The aniline black particles according to the fourth aspect of the present invention become the aniline black particles according to the fourth aspect of the present invention when the above-mentioned treating agent is subjected to a surface treatment after the oxidative polymerization. It is presumed that this sulfur-containing compound greatly contributes to shape control and surface properties of the particles. When there is no sulfur-containing compound, the degree of hydrophobicity is low even if a large amount of the treating agent is treated, and it may be difficult to disperse the compound in a resin or an organic solvent. Further, when there is no sulfur-containing compound, even if a large amount of a treating agent is treated to increase the degree of hydrophobicity, it is difficult to disperse in a resin or an organic solvent. A more preferred sulfur content is 0.2-8.0% by weight, and even more preferably 0.3-6.0% by weight.
前記含硫黄化合物としては、芳香族スルホン酸、脂肪族スルホン酸、芳香族チオール、脂肪族チオールなどである。これらの含硫黄化合物は、前述のように乳化剤の一部として作用し、第2の発明に係るアニリンブラック粒子においては、カーボンブラックを分散状態でアニリンブラックへ含ませる要因となり、第3の発明に係るアニリンブラック粒子においては、有彩色顔料を分散状態でアニリンブラックへ含ませる要因となる。
第4の発明に係るアニリンブラック粒子においては、粒子の形状制御と表面性を向上し、処理剤を効率的に存在、あるいは、反応させる要因となる。また、含硫黄化合物は、アニリンブラック中に酸基として存在し、アニリンブラック粒子間の界面張力を下げ、分散しやすさに貢献しているものと推定される。
含硫黄化合物の例としては、ベンゼンスルホン酸、パラトルエンスルホン酸、ドデシルベンゼンスルホン酸、メチル硫酸、エチル硫酸、プロピル硫酸、ブチル硫酸、ペンチル硫酸、ヘキシル硫酸、ヘプチル硫酸、オクチル硫酸、デシル硫酸、ドデシル硫酸、チオフェノール、ドデシルチオールなどが挙げられる。
Examples of the sulfur-containing compound include aromatic sulfonic acids, aliphatic sulfonic acids, aromatic thiols, and aliphatic thiols. These sulfur-containing compounds act as a part of the emulsifier as described above, and in the aniline black particles according to the second invention, they cause carbon black to be contained in the aniline black in a dispersed state. In such aniline black particles, it becomes a factor of including the chromatic pigment in the aniline black in a dispersed state.
In the aniline black particles according to the fourth aspect of the present invention, the shape control and surface properties of the particles are improved, and the aniline black is a factor that causes the treatment agent to efficiently exist or react. Further, it is presumed that the sulfur-containing compound exists as an acid group in aniline black, lowers the interfacial tension between the aniline black particles, and contributes to ease of dispersion.
Examples of the sulfur-containing compound include benzenesulfonic acid, paratoluenesulfonic acid, dodecylbenzenesulfonic acid, methyl sulfate, ethyl sulfate, propyl sulfate, butyl sulfate, pentyl sulfate, hexyl sulfate, heptyl sulfate, octyl sulfate, decyl sulfate, dodecyl sulfate Sulfuric acid, thiophenol, dodecylthiol and the like can be mentioned.
含硫黄化合物としては発色性を持つ酸性染料を用いてもよい。酸性染料としては第1の発明に係るアニリンブラック粒子で説明し、例示した酸性染料が使用できる。また、第1、第4の発明に係るアニリンブラック粒子をカーボンブラックや有彩色顔料と共に使用してもよい。 As the sulfur-containing compound, an acid dye having a coloring property may be used. As the acid dye, the acid dye described and exemplified by the aniline black particles according to the first invention can be used. Further, the aniline black particles according to the first and fourth aspects of the present invention may be used together with carbon black or a chromatic pigment.
含硫黄化合物の中には機能を持つもの、例えば、スルホローダミンBや、スルホフルオレセンなどの蛍光を発するもの、サーモクロミズム、フォトクロミズム、エレクトロクロミズム、ソルバトクロミズムなど外部の刺激によって色が変化するもの、などもあり、それらを含ませて機能をもたせてもよい。 Some of the sulfur-containing compounds have a function, for example, those that emit fluorescence such as sulforhodamine B and sulfofluorescein, and the color changes due to external stimuli such as thermochromism, photochromism, electrochromism, and solvatochromism. And the like, and these may be included to provide a function.
第1〜4の発明に係るアニリンブラックの色相は、後述する評価方法によって測定した表色指数のうち、a*値、b*値を指す。彩度はc*値を指す。
第1の発明に係るアニリンブラックの黒色度は、明度L*値を指標とし、黒色度に優れるとは、それぞれ測定した値のうち、L*値が12.0以下の場合をいう。L*値が12.0を越える場合には、黒色度に優れるとは言い難い。より好ましいL*値は11.5以下、更により好ましくは5〜11.0である。
第2の発明に係るアニリンブラックの黒色度は、明度L*値を指標とし、黒色度に優れるとは、それぞれ測定した値のうち、L*値が14.0未満の場合をいう。L*値が14.0以上の場合には、黒色度に優れるとは言い難い。より好ましいL*値は12.0未満である。
第3の発明に係るアニリンブラックの黒色度は、明度L*値を指標とし、黒色度に優れるとは、それぞれ測定した値のうち、L*値が15.0未満の場合をいう。L*値が15.0以上の場合には、黒色度に優れるとは言い難い。より好ましいL*値は14.0未満である。
第4の発明に係るアニリンブラックの黒色度は、明度L*値を指標とし、黒色度に優れるとは、それぞれ測定した値のうち、L*値が14.0未満の場合をいう。L*値が14.0以上の場合には、黒色度に優れるとは言い難い。より好ましいL*値は12.0以下である。
また、a*値、b*値、c*値は目的に応じて様々であり、アニリンブラックの粒径、形状、重合度や、含まれる酸性染料の種類や量によって、コントロールされる。通常の黒として表現される場合、a*値は−20〜20が好ましく、b*値は−20〜20が好ましく、c*値は0〜28が好ましいが、目的に応じて、コントロールされるべきであり、この値に限定されるものではない。
The hue of the aniline black according to the first to fourth inventions refers to a * value and b * value among colorimetric indices measured by an evaluation method described later. Saturation refers to the c * value.
The degree of blackness of the aniline black according to the first invention is determined by using the lightness L * value as an index, and “excellent in blackness” means that the L * value is 12.0 or less among the measured values. When the L * value exceeds 12.0, it is difficult to say that the blackness is excellent. A more preferred L * value is 11.5 or less, still more preferably 5 to 11.0.
The degree of blackness of the aniline black according to the second invention is determined by using the lightness L * value as an index, and “excellent in blackness” means a case where the L * value is less than 14.0 among the measured values. When the L * value is 14.0 or more, it is hard to say that the blackness is excellent. A more preferred L * value is less than 12.0.
The degree of blackness of the aniline black according to the third invention is determined by using the lightness L * value as an index, and “excellent in blackness” means that the L * value is less than 15.0 among the measured values. When the L * value is 15.0 or more, it is difficult to say that the blackness is excellent. A more preferred L * value is less than 14.0.
The degree of blackness of the aniline black according to the fourth invention is determined by using the lightness L * value as an index, and “excellent in blackness” means that the L * value is less than 14.0 among the measured values. When the L * value is 14.0 or more, it is hard to say that the blackness is excellent. A more preferred L * value is 12.0 or less.
The a * value, b * value, and c * value vary depending on the purpose, and are controlled by the particle size, shape, and degree of polymerization of aniline black, and the type and amount of acid dye contained. When expressed as ordinary black, the a * value is preferably −20 to 20, the b * value is preferably −20 to 20, and the c * value is preferably 0 to 28, but is controlled according to the purpose. Should not be limited to this value.
第1〜4の発明に係るアニリンブラックの色は、a*値、b*値、c*値により、後述する表記方法によって、漆黒の黒、黒味の黒、青味の黒、緑味の黒、紫味の黒、赤味の黒などの具体的な色表現に表記したものである。また、ブラックライトを照射して蛍光色が発するものを蛍光と表記した。 The color of the aniline black according to the first to fourth aspects of the present invention is determined by the a * value, the b * value, and the c * value according to the notation described below, with jet black, blackish black, blue black, and greenish black. It is described in a specific color expression such as black, purple black, red black and the like. In addition, a material that emits a fluorescent color when irradiated with black light is referred to as fluorescent light.
第1〜4の発明に係るアニリンブラックの耐熱性は、後述する測定方法によって測定した、熱による減色率によって評価される。耐熱性は、電子写真非磁性現像剤や、液晶用ブラックマトリクスなどに用いる場合、その製造段階で減色しないことが必要となるためである。耐熱性に優れるとは、熱による減色率が30%未満の場合をいう。熱による減色率が30%以上である場合には、耐熱性があるとは言い難い。より好ましい熱による減色率は20%未満である。 The heat resistance of the aniline black according to the first to fourth aspects of the present invention is evaluated by a heat-induced color reduction rate measured by a measurement method described later. Heat resistance is because when used in an electrophotographic non-magnetic developer, a black matrix for liquid crystal, or the like, it is necessary to prevent color reduction in the production stage. "Excellent heat resistance" means that the rate of color reduction by heat is less than 30%. When the color reduction ratio due to heat is 30% or more, it is difficult to say that the film has heat resistance. A more preferred heat-induced color reduction is less than 20%.
第1〜4の発明に係るアニリンブラックに用いる芳香族アミンとしては、アニリン、メチルアニリン、エチルアニリン、トルイジン、アミノナフタレンなどの芳香族アミンや、ピロール、ピリジンなどの含窒素複素環化合物など、それらが1つ以上組み合わさったものを含んでいても、共重合されていても良い。 Examples of the aromatic amine used for the aniline black according to the first to fourth inventions include aromatic amines such as aniline, methylaniline, ethylaniline, toluidine, and aminonaphthalene, and pyrrole and nitrogen-containing heterocyclic compounds such as pyridine. Or a combination of two or more of these may be included or may be copolymerized.
第1〜4の発明に係るアニリンブラックは、分散性、発色性などの特性を向上させるために、構造中に芳香族アミン以外の芳香族化合物、複素環式化合物、そのフラグメント、あるいは、それらが2つ以上組み合わさったものを含んでも、共重合されていてもよい。芳香族化合物としては、ベンゼン、トルエン、キシレン、ナフタレンなどの芳香族、フェノール、ベンゼンスルホン酸、パラトルエンスルホン酸、安息香酸などの芳香族酸や、フラン、チオフェン、キノンなどの複素環式化合物が挙げられる。 The aniline black according to the first to fourth inventions has an aromatic compound other than an aromatic amine, a heterocyclic compound, a fragment thereof, or a compound thereof in the structure in order to improve properties such as dispersibility and coloration. It may contain a combination of two or more, or may be copolymerized. Examples of the aromatic compound include aromatic compounds such as benzene, toluene, xylene, and naphthalene; aromatic compounds such as phenol, benzenesulfonic acid, paratoluenesulfonic acid, and benzoic acid; and heterocyclic compounds such as furan, thiophene, and quinone. No.
第1〜4の発明に係るアニリンブラックは、酸性染料以外の酸基、含硫黄化合物以外の酸基を含んでよい。酸基とは、各種無機酸、有機酸の分子から水素原子を1個またはそれ以上除いた部分を指し、N+のカウンターイオンとして作用するものをいう。有機酸とは、蟻酸、酢酸、安息香酸、ベンゼンスルホン酸、パラトルエンスルホン酸、クエン酸、シュウ酸、アジピン酸、フェノールなどであり、無機酸とは、水酸基、塩酸、硝酸、燐酸、硫酸、ホウ酸、フッ化水素酸、過塩素酸などが挙げられる。 The aniline black according to the first to fourth inventions may contain an acid group other than the acid dye and an acid group other than the sulfur-containing compound. The acid group refers to a portion obtained by removing one or more hydrogen atoms from the molecules of various inorganic acids and organic acids, and refers to a portion acting as an N + counter ion. Organic acids are formic acid, acetic acid, benzoic acid, benzenesulfonic acid, paratoluenesulfonic acid, citric acid, oxalic acid, adipic acid, phenol and the like, and inorganic acids are hydroxyl groups, hydrochloric acid, nitric acid, phosphoric acid, sulfuric acid, Boric acid, hydrofluoric acid, perchloric acid and the like can be mentioned.
第1〜3の発明に係るアニリンブラックは、分散性、発色性などを向上させるために、表面処理を行われていてもよい。表面処理材料としては、特に限定されるものではないが、アルキルアルコール、脂肪酸、アルキルアミンなどの界面活性剤、アクリル樹脂、ポリエステル樹脂、ウレタン樹脂などのポリマー、シランカップリング剤、シランなどの有機珪素化合物などの有機表面処理剤、シリカ、アルミナ、酸化チタンなどの無機微粒子などの無機表面処理剤、ロジン−カルシウム、ロジン−マグネシウムなどの有機無機表面処理剤などが挙げられ、あるいは、それらが2つ以上組み合わさったもので処理されたものも良い。すなわち、第4の発明に係るアニリンブラックを第1〜3の発明に適応してもよい。 The aniline black according to the first to third inventions may have been subjected to a surface treatment in order to improve dispersibility, color development and the like. Examples of the surface treatment material include, but are not particularly limited to, surfactants such as alkyl alcohols, fatty acids, and alkylamines; polymers such as acrylic resins, polyester resins, and urethane resins; silane coupling agents; and organic silicon such as silane. Organic surface treating agents such as compounds, inorganic surface treating agents such as inorganic fine particles such as silica, alumina and titanium oxide; and organic and inorganic surface treating agents such as rosin-calcium and rosin-magnesium. A combination of the above may be processed. That is, the aniline black according to the fourth invention may be applied to the first to third inventions.
第1〜4の発明に係るアニリンブラック粒子の体積固有抵抗値は、1.0×106〜1.0×1010Ω・cmであることが好ましい。体積固有抵抗値が106Ω・cm未満の場合には、アニリンブラックの特長である高体積固有抵抗が失われており、樹脂組成物とした際の体積固有抵抗値も比較的低抵抗となり、電子写真用非磁性現像剤やブラックマトリクス用途に適合しにくくなるので好ましくない。
第1の発明に係るアニリンブラック粒子のより好ましい体積固有抵抗値は1.0×107〜1.0×1010Ω・cm、更により好ましくは1.5×107〜5.0×109Ω・cmである。
第2の発明に係るアニリンブラック粒子において、カーボンブラックの体積固有抵抗値は、通常、10−2〜101Ω・cm程度であり、物質の表面に少量でも露出すると体積固有抵抗値が低くなってしまう。そのカーボンブラックが分散状態で高分子のアニリンブラックに被覆されてなることにより、第2の発明明に係るアニリンブラックは高い体積固有抵抗値となる。より好ましい体積固有抵抗値は106〜109Ω・cmである。
第3の発明に係るアニリンブラック粒子において、有彩色顔料の中には体積固有抵抗の著しく低いものも存在する。例えば、酸化鉄の体積固有抵抗値は、通常、101〜102Ω・cm程度であり、物質の表面に少量でも露出して存在すると体積固有抵抗値が低くなってしまう。その有彩色顔料が分散状態で高分子のアニリンブラックに被覆されてなることにより、第3の発明に係るアニリンブラックは高い体積固有抵抗値となる。より好ましい体積固有抵抗値は106〜109Ω・cmである。
第4の発明に係るアニリンブラックのより好ましい体積固有抵抗値は1.0×107〜1.0×1010Ω・cm、更により好ましくは1.5×107〜5.0×109Ω・cmである。
The aniline black particles according to the first to fourth inventions preferably have a volume resistivity of 1.0 × 10 6 to 1.0 × 10 10 Ω · cm. When the volume resistivity is less than 10 6 Ω · cm, the high volume resistivity characteristic of aniline black is lost, and the volume resistivity of the resin composition becomes relatively low. It is not preferable because it becomes difficult to adapt to a non-magnetic developer for electrophotography or a black matrix application.
The volume resistivity of the aniline black particles according to the first invention is more preferably 1.0 × 10 7 to 1.0 × 10 10 Ω · cm, and still more preferably 1.5 × 10 7 to 5.0 × 10. 9 Ω · cm.
In the aniline black particles according to the second aspect of the invention, the volume resistivity of carbon black is usually about 10 −2 to 10 1 Ω · cm. Would. Since the carbon black is coated with the polymer aniline black in a dispersed state, the aniline black according to the second invention has a high volume resistivity. A more preferable volume specific resistance value is 10 6 to 10 9 Ω · cm.
In the aniline black particles according to the third invention, some of the chromatic color pigments have extremely low volume resistivity. For example, the volume resistivity of iron oxide is generally about 10 1 to 10 2 Ω · cm, and the volume resistivity is low if it is exposed even in a small amount on the surface of the substance. The aniline black according to the third aspect of the invention has a high volume resistivity because the chromatic pigment is coated with the polymer aniline black in a dispersed state. A more preferable volume specific resistance value is 10 6 to 10 9 Ω · cm.
The aniline black according to the fourth invention has a more preferable volume specific resistance value of 1.0 × 10 7 to 1.0 × 10 10 Ω · cm, and still more preferably 1.5 × 10 7 to 5.0 × 10 9. Ω · cm.
第1〜4の発明に係るアニリンブラックの一次粒子の平均粒径は、0.05μm〜1.0μmの範囲であることが好ましい。一次粒子の平均粒径が0.05μm未満の場合には分散が難しく、黒色度が劣る。また、一次粒子の平均粒径が1.0μmを超える場合には着色力が低いため、黒色度が劣る。より好ましい一次粒子の平均粒径は0.10〜0.85μmである。 The average particle diameter of the primary particles of the aniline black according to the first to fourth inventions is preferably in the range of 0.05 μm to 1.0 μm. When the average particle size of the primary particles is less than 0.05 μm, dispersion is difficult and blackness is poor. When the average particle size of the primary particles exceeds 1.0 μm, the coloring power is low, and the blackness is poor. The more preferable average particle size of the primary particles is 0.10 to 0.85 μm.
第1〜4の発明に係るアニリンブラックの粉体pHは、4.0〜9.0の範囲にあるのが好ましい。粉体pHが4.0未満の場合には、より強い酸が酸基として含まれ、酸性染料がアニリンブラックに含まれない恐れがある。粉体pHが9.0を越える場合には、酸基としての酸性染料が解離して、水などの媒体に溶け出す恐れがある。より好ましい粉体pHは4.5〜8.5、さらにより好ましくは5.0〜8.0である。 The powder pH of the aniline black according to the first to fourth inventions is preferably in the range of 4.0 to 9.0. When the powder pH is less than 4.0, a stronger acid is contained as an acid group, and the acid dye may not be contained in aniline black. If the pH of the powder exceeds 9.0, the acid dye as an acid group may be dissociated and may be dissolved in a medium such as water. More preferred powder pH is 4.5 to 8.5, and even more preferably 5.0 to 8.0.
次に第1〜4の発明に係るアニリンブラック粒子の製造方法について述べる。 Next, a method for producing aniline black particles according to the first to fourth inventions will be described.
第1の発明に係るアニリンブラック粒子は、アニリン、アニリンの酸塩、芳香族アミン、または、芳香族アミンの酸塩のいずれか、あるいは、それらの混合物を水に溶解し、酸にて所定のpHに調整したのち、酸性染料を加え、溶解して酸性水溶液とする。これに酸化剤の分解触媒となりうる金属または金属塩を添加して混合溶液とし、混合溶液を攪拌しながら、酸化剤を滴下し、酸化重合して、粗アニリンブラックを得る。次いで、粗アニリンブラックをアルカリ剤により中和して、濾過、水洗、乾燥を行った後、粉砕して、第1の発明に係るアニリンブラック粒子を得ることができる。なお、分解触媒となりうる金属または金属塩は予め均一な水溶液にした後、酸化剤と同時に滴下してもよい。 The aniline black particles according to the first invention are prepared by dissolving aniline, an aniline acid salt, an aromatic amine, or an aromatic amine acid salt, or a mixture thereof in water, and then dissolving the mixture with an acid to a predetermined amount. After adjusting the pH, an acidic dye is added and dissolved to obtain an acidic aqueous solution. To this is added a metal or a metal salt which can be a catalyst for decomposition of the oxidizing agent to form a mixed solution. The oxidizing agent is added dropwise while stirring the mixed solution, and oxidative polymerization is carried out to obtain crude aniline black. Next, the crude aniline black is neutralized with an alkali agent, filtered, washed with water, dried, and then pulverized to obtain the aniline black particles according to the first invention. The metal or metal salt that can serve as a decomposition catalyst may be previously dropped into a uniform aqueous solution and then dropped simultaneously with the oxidizing agent.
第1の発明に係るアニリンブラック粒子の製造段階において、水中でアニリン、アニリンの酸塩芳香族アミン、または、芳香族アミンの酸塩のいずれか、あるいは、それらの混合物の一部と酸性染料が静電相互作用を起こし、反応液中で酸性染料塩となる。それが、擬似的な乳化剤として作用してミセルを形成し、その中で酸化重合するため、擬似的な乳化重合となると推定される。そのため、酸性染料がアニリンブラックの高分子中に密接に含まれ、樹脂、水や溶剤に溶け出しにくくなると推定される。 In the step of producing the aniline black particles according to the first invention, the aniline, an aromatic amine salt of an aniline, or an acid salt of an aromatic amine, or a part of a mixture thereof, is mixed with an acid dye in water. It causes an electrostatic interaction and becomes an acid dye salt in the reaction solution. It acts as a pseudo emulsifier, forms micelles, and undergoes oxidative polymerization therein, and is presumed to be pseudo emulsion polymerization. Therefore, it is presumed that the acid dye is closely contained in the polymer of aniline black and hardly dissolves in resin, water or a solvent.
第2の発明に係るアニリンブラック粒子は、アニリンの酸塩、芳香族アミン、または、芳香族アミンの酸塩のいずれか、あるいは、それらの混合物を水に分散、あるいは、溶解し、酸にて所定のpHに調整したのち、含硫黄化合物を加えて、酸性水溶液とする。この酸性水溶液にカーボンブラックを添加して、分散操作を行い、分散液とする。分散液を攪拌しながら、酸化剤の分解触媒となりうる金属または金属塩を添加する。そして、攪拌しながら酸化剤を滴下し、酸化重合して、粗アニリンブラックを得る。次いで、粗アニリンブラックをアルカリ剤により中和して、濾過、水洗、乾燥を行った後、粉砕して、本発明に係るアニリンブラックを得ることができる。なお、分解触媒となりうる金属または金属塩は予め均一な水溶液にした後、酸化剤と同時に滴下してもよい。 The aniline black particles according to the second invention are obtained by dispersing or dissolving any one of aniline acid salt, aromatic amine, and aromatic amine acid salt, or a mixture thereof in water, After adjusting to a predetermined pH, a sulfur-containing compound is added to obtain an acidic aqueous solution. Dispersion operation is performed by adding carbon black to this acidic aqueous solution to obtain a dispersion. While stirring the dispersion, a metal or metal salt which can be a catalyst for decomposition of the oxidizing agent is added. Then, an oxidizing agent is added dropwise while stirring, and oxidative polymerization is performed to obtain crude aniline black. Next, the crude aniline black is neutralized with an alkali agent, filtered, washed with water, dried, and then pulverized to obtain the aniline black according to the present invention. Note that the metal or metal salt that can serve as a decomposition catalyst may be made into a uniform aqueous solution in advance and then dropped simultaneously with the oxidizing agent.
第2の発明に係るアニリンブラック粒子の製造段階において、水中でアニリン、アニリンの酸塩芳香族アミン、または、芳香族アミンの酸塩のいずれか、あるいは、それらの混合物の一部と含硫黄化合物が静電相互作用を起こし、反応液中で含硫黄化合物塩となる。それが、水中でミセルとなる。そこにカーボンブラックを添加して分散操作を行うと、ミセル中にカーボンブラックとアニリン、アニリンの酸塩芳香族アミン、または、芳香族アミンの酸塩のいずれか一種以上とが取り込まれた状態で分散(乳化)する。その中で酸化重合するため、擬似的な乳化重合となると推定される。そのため、カーボンブラックが分散状態でアニリンブラックの高分子中に取り込まれたアニリンブラック粒子になると推定される。 In the step of producing the aniline black particles according to the second invention, aniline, an aromatic amine salt of aniline, or an aromatic amine salt of aromatic amine, or a part of a mixture thereof and a sulfur-containing compound in water Causes an electrostatic interaction to form a sulfur-containing compound salt in the reaction solution. It becomes micelles in water. When carbon black is added thereto and a dispersion operation is performed, the micelles are mixed with carbon black and aniline, an aniline salt of an aromatic amine, or at least one of an aromatic amine acid salt. Disperse (emulsify). It is presumed that pseudo-emulsion polymerization occurs due to oxidative polymerization in that. Therefore, it is presumed that carbon black becomes aniline black particles incorporated in a polymer of aniline black in a dispersed state.
含硫黄化合物、カーボンブラックとしては、前記含硫黄化合物、前記カーボンブラックの一種以上を用いればよい。 As the sulfur-containing compound and carbon black, one or more of the sulfur-containing compound and carbon black may be used.
カーボンブラックの分散操作は、ビーズミルなどのメディア分散機、あるいは、クレアミックス、フィルミックス、超音波ホモジナイザーなどのメディアレス分散機を用いて分散される。 The carbon black is dispersed using a media disperser such as a bead mill or a medialess disperser such as a clear mix, a fill mix, and an ultrasonic homogenizer.
第3の発明に係るアニリンブラック粒子は、アニリン、アニリンの酸塩、芳香族アミン、または、芳香族アミンの酸塩のいずれか、あるいは、それらの混合物を水に分散、あるいは、溶解し、酸にて所定のpHに調整したのち、含硫黄化合物を加えて、酸性水溶液とする。この酸性水溶液に有彩色顔料を添加して、分散操作を行い、分散液とする。分散液を攪拌しながら、酸化剤の分解触媒となりうる金属または金属塩を添加する。そして、攪拌しながら酸化剤を滴下し、酸化重合して、粗アニリンブラックを得る。次いで、粗アニリンブラックをアルカリ剤により中和して、濾過、水洗、乾燥を行った後、粉砕して、本発明に係るアニリンブラックを得ることができる。なお、分解触媒となりうる金属または金属塩は予め均一な水溶液にした後、酸化剤と同時に滴下してもよい。 The aniline black particles according to the third invention are obtained by dispersing or dissolving aniline, an aniline acid salt, an aromatic amine, or an aromatic amine acid salt, or a mixture thereof, in water; After adjusting the pH to a predetermined value, a sulfur-containing compound is added to obtain an acidic aqueous solution. A chromatic pigment is added to this acidic aqueous solution, and a dispersion operation is performed to obtain a dispersion. While stirring the dispersion, a metal or metal salt which can be a catalyst for decomposition of the oxidizing agent is added. Then, an oxidizing agent is added dropwise while stirring, and oxidative polymerization is performed to obtain crude aniline black. Next, the crude aniline black is neutralized with an alkali agent, filtered, washed with water, dried, and then pulverized to obtain the aniline black according to the present invention. Note that the metal or metal salt that can serve as a decomposition catalyst may be made into a uniform aqueous solution in advance and then dropped simultaneously with the oxidizing agent.
第3の発明に係るアニリンブラック粒子の製造段階において、水中でアニリン、アニリンの酸塩芳香族アミン、または、芳香族アミンの酸塩のいずれか、あるいは、それらの混合物の一部と含硫黄化合物が静電相互作用を起こし、反応液中で含硫黄化合物塩となる。それが、水中でミセルとなる。そこに有彩色顔料を添加して分散操作を行うと、ミセル中に顔料とアニリン、アニリンの酸塩芳香族アミン、または、芳香族アミンの酸塩のいずれか一種以上とが取り込まれた状態で分散(乳化)する。その中で酸化重合するため、擬似的な乳化重合となると推定される。そのため、顔料が分散状態でアニリンブラックの高分子中に取り込まれたアニリンブラック粒子になると推定される。 In the step of producing the aniline black particles according to the third invention, any of aniline, an aromatic amine salt of aniline or an aromatic amine salt of aromatic amine, or a part of a mixture thereof and a sulfur-containing compound in water Causes an electrostatic interaction to form a sulfur-containing compound salt in the reaction solution. It becomes micelles in water. When a chromatic pigment is added thereto and the dispersion operation is performed, the pigment and aniline, an aniline salt of an aromatic amine, or one or more of an aromatic amine acid salt are taken into the micelles. Disperse (emulsify). It is presumed that pseudo-emulsion polymerization occurs due to oxidative polymerization in that. Therefore, it is presumed that the pigment becomes aniline black particles incorporated in the aniline black polymer in a dispersed state.
含硫黄化合物としては、前記種々の硫黄化合物の一種以上を用いればよい。 As the sulfur-containing compound, one or more of the various sulfur compounds may be used.
顔料としては、前記有彩色顔料の一種以上を用いればよい。 As the pigment, one or more of the chromatic pigments may be used.
有彩色顔料の分散操作は、ビーズミルなどのメディア分散機、あるいは、クレアミックス、フィルミックス、超音波ホモジナイザーなどのメディアレス分散機を用いて分散される。 The dispersion operation of the chromatic pigment is performed by using a media disperser such as a bead mill or a medialess disperser such as a clear mix, a fill mix, and an ultrasonic homogenizer.
第4の発明に係るアニリンブラック粒子は、アニリン、アニリンの酸塩、芳香族アミン、または、芳香族アミンの酸塩のいずれか、あるいは、それらの混合物を水に分散、あるいは、溶解し、酸にて所定のpHに調整したのち、含硫黄化合物を加えて、酸性水溶液とする。この水溶液を攪拌しながら、酸化剤の分解触媒となりうる金属または金属塩を添加する。そして、攪拌しながら酸化剤を滴下し、酸化重合して得られる。そして、これにアルキルアミンなどの処理剤を添加して、表面に拡散させる。その後、再度pHを再調整して、処理剤を表面に定着、あるいは、反応させる。その後、濾過、水洗、乾燥を行った後、粉砕して、本発明に係るアニリンブラック粒子を得ることができる。なお、分解触媒となりうる金属または金属塩は予め均一な水溶液にした後、酸化剤と同時に滴下してもよい。 The aniline black particles according to the fourth aspect of the present invention are obtained by dispersing or dissolving aniline, an aniline acid salt, an aromatic amine, or an aromatic amine acid salt, or a mixture thereof, in water; After adjusting the pH to a predetermined value, a sulfur-containing compound is added to obtain an acidic aqueous solution. While stirring the aqueous solution, a metal or a metal salt which can be a catalyst for decomposing the oxidizing agent is added. Then, an oxidizing agent is added dropwise while stirring, and oxidative polymerization is obtained. Then, a treating agent such as an alkylamine is added to the mixture to diffuse it on the surface. Thereafter, the pH is readjusted again to fix or react the treating agent on the surface. Then, after performing filtration, washing with water, and drying, pulverization is performed to obtain the aniline black particles according to the present invention. Note that the metal or metal salt that can serve as a decomposition catalyst may be made into a uniform aqueous solution in advance and then dropped simultaneously with the oxidizing agent.
含硫黄化合物としては、前記種々の硫黄化合物の一種以上を用いればよい。 As the sulfur-containing compound, one or more of the various sulfur compounds may be used.
処理剤としては、前記種々の処理剤の一種以上を用いればよい。 As the treatment agent, one or more of the various treatment agents may be used.
第1〜4の発明に係るアニリンブラック粒子の製造で使用されるpH調整に用いる酸としては、例えば塩酸、硫酸、硝酸、燐酸、ホウ酸、テトラフルオロホウ酸、過塩素酸、過沃素酸、蟻酸、酢酸、クエン酸、シュウ酸、アジピン酸などなどがあげられ、単独または混合物として使用してもよい。なお、酸性水溶液の濃度は、酸の種類にもよるが、通常、0.1〜20%、好ましくは、0.2〜15%程度である。 Examples of the acid used for pH adjustment used in the production of the aniline black particles according to the first to fourth inventions include hydrochloric acid, sulfuric acid, nitric acid, phosphoric acid, boric acid, tetrafluoroboric acid, perchloric acid, periodic acid, Examples include formic acid, acetic acid, citric acid, oxalic acid, adipic acid and the like, which may be used alone or as a mixture. The concentration of the acidic aqueous solution is usually 0.1 to 20%, preferably about 0.2 to 15%, though it depends on the type of the acid.
第1〜4の発明に係るアニリンブラック粒子の製造で使用される酸化剤としては、過硫酸アンモニウム、過硫酸ナトリウム、過硫酸カリウムなどの過硫酸塩、過酸化水素、酸素などがあげられ、単独または混合物として使用してもよい。酸化剤の使用量はアニリン1モルに対して0.1〜10モル、好ましくは0.5〜5モルである。また、酸化剤は、反応溶液に対して徐々に添加することが好ましい。通常10分から10時間、好ましくは20分から5時間を要して、添加することによって、酸化重合速度の制御が可能となるため、粒子径制御の点で好ましい。 Examples of the oxidizing agent used in the production of the aniline black particles according to the first to fourth aspects of the present invention include ammonium persulfate, sodium persulfate, persulfates such as potassium persulfate, hydrogen peroxide, oxygen and the like. It may be used as a mixture. The amount of the oxidizing agent used is 0.1 to 10 mol, preferably 0.5 to 5 mol, per 1 mol of aniline. It is preferable that the oxidizing agent is gradually added to the reaction solution. The addition usually takes 10 minutes to 10 hours, preferably 20 minutes to 5 hours, and the addition allows the oxidative polymerization rate to be controlled, which is preferable in terms of controlling the particle size.
第1〜4の発明に係るアニリンブラック粒子の製造で使用される酸化剤の分解触媒となりうる金属または金属塩としては、鉄、塩化第二鉄、硝酸第二鉄、硫酸第二鉄、塩化第一鉄、硝酸第一鉄、硫酸第一鉄、鉄−EDTAキレート、塩化プラチナ、塩化金または硝酸銀などがあげられ、単独または混合物として使用してもよい。触媒の使用量は、通常、アニリン1モルに対し、0.01〜1モル程度、好ましくは0.02〜0.5モル程度が用いられる。また、酸化剤の分解触媒となりうる金属または金属塩は、反応溶液に対して徐々に添加することが好ましい。酸化剤の分解触媒と酸化剤を同時に滴下することによって、酸化剤の分解速度をより容易に制御することが可能となるためより好ましい。反応溶液に、酸化剤と当該酸化剤の分解触媒となりうる金属または金属塩とを添加することによって、酸化重合反応が進行する。 Examples of the metal or metal salt which can be used as a catalyst for decomposing an oxidizing agent used in the production of the aniline black particles according to the first to fourth inventions include iron, ferric chloride, ferric nitrate, ferric sulfate, and ferric chloride. Examples include ferrous iron, ferrous nitrate, ferrous sulfate, iron-EDTA chelate, platinum chloride, gold chloride or silver nitrate, and may be used alone or as a mixture. The amount of the catalyst to be used is generally about 0.01 to 1 mol, preferably about 0.02 to 0.5 mol, per 1 mol of aniline. Further, it is preferable that a metal or a metal salt which can serve as a catalyst for decomposing the oxidizing agent is gradually added to the reaction solution. The simultaneous dropping of the oxidizing agent decomposition catalyst and the oxidizing agent is more preferable because the decomposition rate of the oxidizing agent can be more easily controlled. The oxidative polymerization reaction proceeds by adding an oxidizing agent and a metal or metal salt that can serve as a decomposition catalyst for the oxidizing agent to the reaction solution.
第1〜4の発明に係るアニリンブラック粒子の製造方法における反応温度は、特に限定されるものではないが、通常10〜70℃、好ましくは20〜60℃で反応させればよい。また、酸化剤を添加した後、通常、10分から10時間、好ましくは20分から5時間の間、反応溶液を撹拌することが好ましい。 The reaction temperature in the method for producing aniline black particles according to the first to fourth inventions is not particularly limited, but the reaction may be usually performed at 10 to 70 ° C, preferably 20 to 60 ° C. After the oxidizing agent is added, the reaction solution is usually preferably stirred for 10 minutes to 10 hours, preferably for 20 minutes to 5 hours.
第1の発明に係るアニリンブラック粒子の製造方法で得られる粗アニリンブラックは、強酸性になっているため、酸剤、あるいは、アルカリ剤によりpHを5〜10の範囲に調整される。好ましくはpHを5〜8の範囲で調整される。要すれば20〜95℃で30分〜1時間加熱撹拌してもよい。 Since the crude aniline black obtained by the method for producing aniline black particles according to the first invention is strongly acidic, the pH is adjusted to 5 to 10 with an acid agent or an alkali agent. Preferably, pH is adjusted in the range of 5-8. If necessary, the mixture may be heated and stirred at 20 to 95 ° C. for 30 minutes to 1 hour.
第2〜4の発明に係るアニリンブラック粒子の製造方法で得られる粗アニリンブラックは、強酸性になっているため、酸剤、あるいは、アルカリ剤によりpHを4.0〜9.0の範囲に調整される。好ましくはpHを5.0〜8.0の範囲で調整される。要すれば20〜95℃で30分〜1時間加熱撹拌してもよい。 Since the crude aniline black obtained by the method for producing aniline black particles according to the second to fourth aspects of the present invention is strongly acidic, the pH is adjusted to 4.0 to 9.0 by an acid agent or an alkali agent. Adjusted. Preferably, the pH is adjusted in the range of 5.0 to 8.0. If necessary, the mixture may be heated and stirred at 20 to 95 ° C. for 30 minutes to 1 hour.
第1〜4の発明に係るアニリンブラック粒子の製造で使用される酸剤としては、無機化合物および有機化合物のいずれでもよい。無機化合物としては塩酸や硫酸などの無機酸などが挙げられ、有機化合物としては、酢酸、クエン酸、アジピン酸などの有機酸などが挙げられる。 The acid agent used in the production of the aniline black particles according to the first to fourth inventions may be any of an inorganic compound and an organic compound. Examples of the inorganic compound include inorganic acids such as hydrochloric acid and sulfuric acid, and examples of the organic compound include organic acids such as acetic acid, citric acid, and adipic acid.
第1〜4の発明に係るアニリンブラック粒子の製造方法で使用されるアルカリ剤としては、無機化合物および有機化合物のいずれでもよい。無機化合物としては水酸化ナトリムや水酸化カリウムなどの水酸化アルカリ金属や炭酸ナトリウムなどの炭酸塩などがあげられ、有機化合物としては、トリエタノールアミンやトリイソプロパノールアミンなどのトリアルカノールアミンなどがあげられる。 The alkaline agent used in the method for producing aniline black particles according to the first to fourth inventions may be any of an inorganic compound and an organic compound. Examples of the inorganic compound include alkali metal hydroxides such as sodium hydroxide and potassium hydroxide and carbonates such as sodium carbonate. Examples of the organic compound include trialkanolamine such as triethanolamine and triisopropanolamine. .
第1〜4の発明に係るアニリンブラック粒子の製造方法において、アルカリ剤で中和してpHを調整した後、常法によって濾取、水洗し、乾燥すれば目的の本発明に係るアニリンブラック粒子が得られる。 In the method for producing aniline black particles according to the first to fourth inventions, after neutralizing with an alkali agent to adjust the pH, the aniline black particles according to the present invention can be obtained by filtering, washing and drying by a conventional method. Is obtained.
次に、第1〜4の発明に係る樹脂組成物について述べる。 Next, the resin compositions according to the first to fourth inventions will be described.
第1〜4の発明に係る樹脂組成物は、第1〜4の発明に係るアニリンブラック粒子、周知の熱可塑性樹脂、必要により、滑剤、可塑剤、酸化防止剤、紫外線吸収剤、各種安定剤などの添加剤が配合され構成される。 The resin compositions according to the first to fourth aspects of the invention include the aniline black particles according to the first to fourth aspects of the invention, a known thermoplastic resin, and, if necessary, a lubricant, a plasticizer, an antioxidant, an ultraviolet absorber, and various stabilizers. And other additives.
第1〜4の発明に係る樹脂組成物中におけるアニリンブラック粒子の配合割合は、構成基材100重量部に対し0.01〜200重量部の範囲で使用することができ、樹脂組成物のハンドリングを考慮すれば、好ましくは0.05〜100重量部、更に好ましくは0.1〜50重量部である。 The compounding ratio of the aniline black particles in the resin composition according to the first to fourth inventions can be used in the range of 0.01 to 200 parts by weight based on 100 parts by weight of the constituent base material. In consideration of the above, it is preferably 0.05 to 100 parts by weight, more preferably 0.1 to 50 parts by weight.
添加剤の量は、アニリンブラック粒子と熱可塑性樹脂との総和に対して50重量%以下であればよい。添加物の含有量が50重量%を越える場合には、成形性が低下する。 The amount of the additive may be 50% by weight or less based on the total amount of the aniline black particles and the thermoplastic resin. When the content of the additive exceeds 50% by weight, the moldability decreases.
第1の発明に係る樹脂組成物の明度L*値は、後述する評価方法によって測定した表色指数のL*値が12.0以下であり、公知のアニリンブラックを用いた場合に比べ、黒色度に優れるものである。さらには、L*値は11.5以下が好ましい。また、分散性の目視観察の結果は、後述する評価方法のうち3〜4の範囲である。 Regarding the lightness L * value of the resin composition according to the first invention, the L * value of the colorimetric index measured by the evaluation method described below is 12.0 or less, which is lower than that in the case of using a known aniline black. The degree is excellent. Further, the L * value is preferably 11.5 or less. Further, the result of the visual observation of the dispersibility is in the range of 3 to 4 in the evaluation method described later.
第2の発明に係る樹脂組成物の明度L*値は、後述する評価方法によって測定した表色指数である。黒色度は、明度L*値を指標とし、黒色度に優れるとはL*値が14.0未満の場合をいう。L*値が14.0以上の場合には、黒色度が優れるとは言い難い。より好ましいL*値は12.0未満である。また、分散性の目視観察の結果は、後述する評価方法のうち3〜5の範囲である。 The lightness L * value of the resin composition according to the second invention is a color index measured by an evaluation method described later. The degree of blackness is determined by using the lightness L * value as an index, and “excellent in blackness” means that the L * value is less than 14.0. When the L * value is 14.0 or more, it is difficult to say that the blackness is excellent. A more preferred L * value is less than 12.0. The results of the visual observation of dispersibility are in the range of 3 to 5 in the evaluation methods described below.
第3の発明に係る樹脂組成物の明度L*値は、後述する評価方法によって測定した表色指数である。黒色度は、明度L*値を指標とし、黒色度に優れるとはL*値が15.0未満の場合をいう。L*値が15.0以上の場合には、黒色度が優れるとは言い難い。より好ましいL*値は14.0未満である。また、分散性の目視観察の結果は、後述する評価方法のうち3〜5の範囲である。 The lightness L * value of the resin composition according to the third invention is a colorimetric index measured by an evaluation method described later. The degree of blackness uses the lightness L * value as an index, and “excellent in blackness” means that the L * value is less than 15.0. When the L * value is 15.0 or more, it is difficult to say that the blackness is excellent. A more preferred L * value is less than 14.0. The results of the visual observation of dispersibility are in the range of 3 to 5 in the evaluation methods described below.
第4の発明に係る樹脂組成物の明度L*値は、後述する評価方法によって測定した表色指数である。黒色度は、明度L*値を指標とし、黒色度に優れるとはL*値が14.0未満の場合をいう。L*値が14.0以上の場合には、黒色度が優れるとは言い難い。より好ましいL*値は12.0未満である。また、分散性の目視観察の結果は、後述する評価方法のうち3〜5の範囲である。 The lightness L * value of the resin composition according to the fourth invention is a color index measured by an evaluation method described later. The degree of blackness is determined by using the lightness L * value as an index, and “excellent in blackness” means that the L * value is less than 14.0. When the L * value is 14.0 or more, it is difficult to say that the blackness is excellent. A more preferred L * value is less than 12.0. The results of the visual observation of dispersibility are in the range of 3 to 5 in the evaluation methods described below.
第1〜4の発明に係る樹脂組成物の耐熱性は、後述する測定方法によって測定した、熱による減色率によって評価される。耐熱性は、電子写真非磁性現像剤や、液晶用ブラックマトリクスなどに用いる場合、その製造段階で減色しないことが必要となるためである。耐熱性に優れるとは、熱による減色率が30%未満の場合をいう。熱による減色率が30%以上である場合には、耐熱性があるとは言い難い。より好ましい熱による減色率は20%未満である。 The heat resistance of the resin compositions according to the first to fourth inventions is evaluated based on a heat-induced color reduction rate measured by a measurement method described later. Heat resistance is because when used in an electrophotographic non-magnetic developer, a black matrix for liquid crystal, or the like, it is necessary to prevent color reduction in the production stage. "Excellent heat resistance" means that the rate of color reduction by heat is less than 30%. When the color reduction ratio due to heat is 30% or more, it is difficult to say that the film has heat resistance. A more preferred heat-induced color reduction is less than 20%.
次に、本発明に係る樹脂組成物の製造法について述べる。 Next, a method for producing the resin composition according to the present invention will be described.
本発明に係る樹脂組成物は、アニリンブラック粒子と樹脂をあらかじめよく混合し、次に、混練機もしくは押出機を用いて加熱下で強いせん断作用を加えて、アニリンブラック粒子の凝集体を破壊し、樹脂中にアニリンブラック粒子を均一に分散させた後、目的に応じた形状に成形加工して製造する。 The resin composition according to the present invention mixes the aniline black particles and the resin well in advance, and then applies a strong shearing action under heating using a kneader or an extruder to destroy the aggregates of the aniline black particles. After the aniline black particles are uniformly dispersed in the resin, the aniline black particles are molded and formed into a shape suitable for the purpose.
次に、第1〜3の発明に係る水系分散体について述べる。 Next, the aqueous dispersion according to the first to third inventions will be described.
第1〜3の発明に係る水系分散体は、第1〜3の発明に係るアニリンブラック粒子、水、必要に応じて体質顔料、水系溶剤、界面活性剤、顔料分散剤、樹脂、pH調整剤、消泡剤などが配合され、構成される。 The aqueous dispersion according to the first to third inventions is the aniline black particles according to the first to third inventions, water, if necessary, an extender, an aqueous solvent, a surfactant, a pigment dispersant, a resin, and a pH adjuster. , An antifoaming agent, etc.
第1〜3の発明に係る水系分散体におけるアニリンブラック粒子の配合割合は、分散体構成基材100重量部に対し0.1〜200重量部の範囲で使用することができ、分散体のハンドリングを考慮すれば、好ましくは0.1〜100重量部、更に好ましくは0.1〜50重量部である。 The mixing ratio of the aniline black particles in the aqueous dispersion according to the first to third inventions can be used in the range of 0.1 to 200 parts by weight based on 100 parts by weight of the dispersion constituting base material. In consideration of the above, it is preferably 0.1 to 100 parts by weight, more preferably 0.1 to 50 parts by weight.
樹脂としては、通常使用される水溶性アルキッド樹脂、水溶性メラミン樹脂、水溶性アクリル樹脂、水溶性ウレタンエマルジョン樹脂を用いることができる。 As the resin, commonly used water-soluble alkyd resins, water-soluble melamine resins, water-soluble acrylic resins, and water-soluble urethane emulsion resins can be used.
溶剤としては、ブチルアルコールなどのアルコール、グリセリン、ブチルセロソルブなどを使用することができる。 As the solvent, alcohol such as butyl alcohol, glycerin, butyl cellosolve and the like can be used.
消泡剤としては、周知の消泡剤を使用することができる。例えばノプコ8034(商品名)、SNデフォーマー477(商品名)、SNデフォーマー5013(商品名)、SNデフォーマー247(商品名)、SNデフォーマー382(商品名)(以上、いずれもサンノプコ株式会社製)、アンチホーム08(商品名)、エマルゲン903(商品名)(以上、いずれも花王株式会社製)などである。 A well-known antifoaming agent can be used as the antifoaming agent. For example, Nopco 8034 (trade name), SN Deformer 477 (trade name), SN Deformer 5013 (trade name), SN Deformer 247 (trade name), SN Deformer 382 (trade name) (all manufactured by San Nopco Co., Ltd.), Anti-Home 08 (trade name), Emulgen 903 (trade name) (all manufactured by Kao Corporation) and the like.
第1〜3の発発明に係る水系分散体の粘度は、20.0mPa・s以下であることが好ましく、より好ましくは15.0mPa・s以下である。粘度が20mPa・sを越える場合には、黒色度が劣る。粘度の下限値は1.0mPa・s程度である。 The viscosity of the aqueous dispersion according to the first to third inventions is preferably 20.0 mPa · s or less, more preferably 15.0 mPa · s or less. When the viscosity exceeds 20 mPa · s, the blackness is poor. The lower limit of the viscosity is about 1.0 mPa · s.
第1〜3の発発明に係る水系分散体の保存安定性評価は、後述する評価方法によって測定した粘度変化率において±10%未満が好ましく、より好ましくは±6%以下、更により好ましくは±5%以下である。 The storage stability evaluation of the aqueous dispersion according to the first to third inventions is preferably less than ± 10%, more preferably ± 6% or less, and still more preferably ± 10% in the rate of change in viscosity measured by the evaluation method described below. 5% or less.
第2の発明に係る水系分散体の色相は、後述する評価方法によって測定した表色指数のうち、L*値、a*値、b*値を指す。黒色度は、明度L*値を指標とし、黒色度に優れるとは、それぞれ測定した値のうち、L*値が14.0未満の場合をいう。L*値が14.0以上の場合には、黒色度に優れるとは言い難い。より好ましいL*値は12.0未満である。
第3の発明に係る水系分散体の色相は、後述する評価方法によって測定した表色指数のうち、L*値、a*値、b*値を指す。彩度はc*を指す。黒色度は、明度L*値を指標とし、黒色度に優れるとは、それぞれ測定した値のうち、L*値が15.0未満の場合をいう。L*値が15.0以上の場合には、黒色度に優れるとは言い難い。より好ましいL*値は14.0未満である。
また、a*値、b*値は目的に応じて様々であり、アニリンブラック粒子の粒径、形状、重合度や、含まれる酸基の種類や量によって、コントロールされる。通常の黒として表現される場合、a*値は−20〜20が好ましく、b*値は−20〜20が好ましいが、目的に応じてコントロールされるべきであり、この値に限定されるものではない。
The hue of the aqueous dispersion according to the second invention indicates an L * value, an a * value, and a b * value among colorimetric indices measured by an evaluation method described later. The degree of blackness is determined by using the lightness L * value as an index, and “excellent in blackness” means that the L * value is less than 14.0 among the measured values. When the L * value is 14.0 or more, it is hard to say that the blackness is excellent. A more preferred L * value is less than 12.0.
The hue of the aqueous dispersion according to the third invention indicates an L * value, an a * value, and a b * value among colorimetric indices measured by an evaluation method described later. Saturation refers to c *. The degree of blackness is determined by using the lightness L * value as an index, and “excellent in blackness” means that the L * value is less than 15.0 among the measured values. When the L * value is 15.0 or more, it is difficult to say that the blackness is excellent. A more preferred L * value is less than 14.0.
The a * value and the b * value vary depending on the purpose, and are controlled by the particle size, shape, degree of polymerization, and type and amount of the acid group contained in the aniline black particles. When expressed as normal black, the a * value is preferably -20 to 20, and the b * value is preferably -20 to 20, but should be controlled according to the purpose, and is limited to this value. is not.
第2、3の発明に係る水系分散体の色は、a*値、b*値、c*値により、後述する表記方法によって、漆黒の黒、黒味の黒、青味の黒、緑味の黒、紫味の黒、赤味の黒などの具体的な色表現に表記したものである。 The colors of the aqueous dispersions according to the second and third inventions are represented by jet black, blackish black, blueish black, and greenish according to the a * value, b * value, and c * value according to the notation described below. Black, purple black, red black, etc.
第1〜3の発明に係る水系分散体の耐熱性は、後述する測定方法によって測定した、熱による減色率によって評価される。耐熱性は、電子写真非磁性現像剤や、液晶用ブラックマトリクスなどに用いる場合、その製造段階で減色しないことが必要となるためである。耐熱性に優れるとは、熱による減色率が30%未満の場合をいう。熱による減色率が30%以上である場合には、耐熱性があるとは言い難い。より好ましい熱による減色率は20%未満である。 The heat resistance of the aqueous dispersions according to the first to third inventions is evaluated based on the heat-induced color reduction rate measured by a measurement method described later. Heat resistance is because when used in an electrophotographic non-magnetic developer, a black matrix for liquid crystal, or the like, it is necessary to prevent color reduction in the production stage. "Excellent heat resistance" means that the rate of color reduction by heat is less than 30%. When the color reduction ratio due to heat is 30% or more, it is difficult to say that the film has heat resistance. A more preferred heat-induced color reduction is less than 20%.
次に、第1〜3の発明に係る水系分散体の製造方法について述べる。 Next, a method for producing the aqueous dispersion according to the first to third inventions will be described.
第1〜3の発明に係る水系分散体は、アニリンブラック粒子、水、添加剤を混合し、ビーズミルなどのメディア分散機、あるいは、クレアミックス、フィルミックス、超音波ホモジナイザーなどのメディアレス分散機を用いて分散され、ろ過などの後処理をされて製造される。分散安定性を高めるために、自己分散処理や、マイクロカプセル処理をして製造されてもよい。 The aqueous dispersion according to the first to third aspects of the present invention is a mixture of aniline black particles, water, and additives, and a media disperser such as a bead mill, or a medialess disperser such as a clear mix, a fill mix, and an ultrasonic homogenizer. It is manufactured by being dispersed by using and post-processing such as filtration. In order to enhance the dispersion stability, it may be manufactured by a self-dispersion treatment or a microcapsule treatment.
次に、第1〜4の発明に係る溶剤系分散体について述べる。 Next, the solvent-based dispersion according to the first to fourth inventions will be described.
第1〜4の発明に係る溶剤系分散体は、第1〜4の発明に係るアニリンブラック粒子、樹脂、溶剤、必要に応じて体質顔料、乾燥促進剤、界面活性剤、硬化促進剤、助剤などが配合され、構成される。 The solvent-based dispersion according to the first to fourth inventions includes the aniline black particles, the resin, the solvent, and, if necessary, the extender, the drying accelerator, the surfactant, the curing accelerator, and the auxiliary agent according to the first to fourth inventions. Agents and the like are blended and configured.
第1〜4の発明に係る溶剤系分散体におけるアニリンブラック粒子の配合割合は、分散体構成基材100重量部に対し0.1〜200重量部の範囲で使用することができ、分散体のハンドリングを考慮すれば、好ましくは0.1〜100重量部、更に好ましくは0.1〜50重量部である。 The mixing ratio of aniline black particles in the solvent-based dispersion according to the first to fourth inventions can be used in a range of 0.1 to 200 parts by weight based on 100 parts by weight of the dispersion-constituting base material. In consideration of handling, it is preferably 0.1 to 100 parts by weight, more preferably 0.1 to 50 parts by weight.
樹脂としては、通常使用されるアクリル樹脂、アルキッド樹脂、ポリエステル樹脂、ポリウレタン樹脂、エポキシ樹脂、フェノール樹脂、メラミン樹脂、アミノ樹脂などを用いることができる。 As the resin, a commonly used acrylic resin, alkyd resin, polyester resin, polyurethane resin, epoxy resin, phenol resin, melamine resin, amino resin and the like can be used.
溶剤としては、通常使用されるトルエン、キシレン、テトラヒドロフラン、酢酸エチル、ブチルアセテート、メチルアセテート、メチルイソブチルケトン、ブチルセロソルブ、エチルセロソルブ、ブチルアルコール、プロピレングリコールモノメチルエーテルアセテート、脂肪族炭化水素などを用いることができる。 As the solvent, it is possible to use toluene, xylene, tetrahydrofuran, ethyl acetate, butyl acetate, methyl acetate, methyl isobutyl ketone, butyl cellosolve, ethyl cellosolve, butyl alcohol, propylene glycol monomethyl ether acetate, or an aliphatic hydrocarbon which are usually used. it can.
第1〜4の発明に係る溶剤系分散体の粘度は、20.0mPa・s以下であることが好ましく、より好ましくは17.0mPa・s以下である。20mPa・sを越える場合には、分散性が劣り黒色度が劣る。溶剤系分散体の粘度の下限値は2.0mPa・s程度である。 The viscosity of the solvent-based dispersion according to the first to fourth inventions is preferably 20.0 mPa · s or less, and more preferably 17.0 mPa · s or less. When it exceeds 20 mPa · s, dispersibility is poor and blackness is poor. The lower limit of the viscosity of the solvent-based dispersion is about 2.0 mPa · s.
第1〜4の発明に係る溶剤系分散体の保存安定性評価は、後述する評価方法によって測定した粘度変化率において±10%未満が好ましく、より好ましくは±6%以下、更により好ましくは±5%以下である。 The storage stability evaluation of the solvent-based dispersions according to the first to fourth inventions is preferably less than ± 10%, more preferably ± 6% or less, and still more preferably ± 10% in the rate of change in viscosity measured by the evaluation method described below. 5% or less.
第2、4の発明に係る溶剤系分散体の色相は、後述する評価方法によって測定した表色指数のうち、L*値、a*値、b*値を指す。黒色度は、明度L*値を指標とし、黒色度に優れるとは、それぞれ測定した値のうち、L*値が14.0未満の場合をいう。L*値が14.0以上の場合には、黒色度に優れるとは言い難い。より好ましいL*値は12.0未満である。
第3の発明に係る溶剤系分散体の色相は、後述する評価方法によって測定した表色指数のうち、L*値、a*値、b*値を指す。彩度はc*を指す。黒色度は、明度L*値を指標とし、黒色度に優れるとは、それぞれ測定した値のうち、L*値が15.0未満の場合をいう。L*値が15.0以上の場合には、黒色度に優れるとは言い難い。より好ましいL*値は14.0未満である。
また、いずれの発明においてもa*値、b*値は目的に応じて様々であり、アニリンブラック粒子の粒径、形状、重合度や、含まれる酸基の種類や量によって、コントロールされる。通常の黒として表現される場合、a*値は−20〜20が好ましく、b*値は−20〜20が好ましいが、目的に応じてコントロールされるべきであり、この値に限定されるものではない。
The hue of the solvent-based dispersion according to the second and fourth aspects of the present invention indicates the L * value, a * value, and b * value among the colorimetric indices measured by the evaluation method described later. The degree of blackness is determined by using the lightness L * value as an index, and “excellent in blackness” means that the L * value is less than 14.0 among the measured values. When the L * value is 14.0 or more, it is hard to say that the blackness is excellent. A more preferred L * value is less than 12.0.
The hue of the solvent-based dispersion according to the third invention indicates an L * value, an a * value, and a b * value among colorimetric indices measured by an evaluation method described later. Saturation refers to c *. The degree of blackness is determined by using the lightness L * value as an index, and “excellent in blackness” means that the L * value is less than 15.0 among the measured values. When the L * value is 15.0 or more, it is difficult to say that the blackness is excellent. A more preferred L * value is less than 14.0.
In each invention, the a * value and the b * value vary depending on the purpose, and are controlled by the particle size, shape, degree of polymerization of aniline black particles, and the type and amount of the acid group contained. When expressed as normal black, the a * value is preferably -20 to 20, and the b * value is preferably -20 to 20, but should be controlled according to the purpose, and is limited to this value. is not.
第1〜4の発明に係る溶剤系分散体の色は、a*値、b*値、c*値により、後述する表記方法によって、漆黒の黒、黒味の黒、青味の黒、緑味の黒、紫味の黒、赤味の黒などの具体的な色表現に表記したものである。 The colors of the solvent-based dispersions according to the first to fourth inventions are represented by jet black, blackish black, bluish black, and green according to the a * value, b * value, and c * value according to the notation described below. It is described in concrete color expression such as black of taste, black of purple, black of red, and the like.
第1〜4の発明に係る溶剤系分散体の耐熱性は、後述する測定方法によって測定した、熱による減色率によって評価される。耐熱性は、電子写真非磁性現像剤や、液晶用ブラックマトリクスなどに用いる場合、その製造段階で減色しないことが必要となるためである。耐熱性に優れるとは、熱による減色率が30%未満の場合をいう。熱による減色率が30%以上である場合には、耐熱性があるとは言い難い。より好ましい熱による減色率は20%未満である。 The heat resistance of the solvent-based dispersions according to the first to fourth inventions is evaluated based on the heat-induced color reduction rate measured by a measurement method described later. Heat resistance is because when used in an electrophotographic non-magnetic developer, a black matrix for liquid crystal, or the like, it is necessary to prevent color reduction in the production stage. "Excellent heat resistance" means that the rate of color reduction by heat is less than 30%. When the color reduction ratio due to heat is 30% or more, it is difficult to say that the film has heat resistance. A more preferred heat-induced color reduction is less than 20%.
次に、第1〜4の発明に係る溶剤系分散体の製造方法について述べる。 Next, a method for producing the solvent-based dispersion according to the first to fourth inventions will be described.
第1〜4の発明に係る溶剤系分散体は、アニリンブラック粒子、溶剤、添加剤、樹脂を混合し、ビーズミルなどのメディア分散機、あるいは、クレアミックス、フィルミックス、超音波ホモジナイザーなどのメディアレス分散機を用いて分散され、ろ過などの後処理をされて製造される。分散安定性を高めるために、自己分散処理や、マイクロカプセル処理をして製造されてもよい。 The solvent-based dispersion according to the first to fourth aspects of the present invention is obtained by mixing aniline black particles, a solvent, an additive, and a resin, and using a media dispersing machine such as a bead mill, or a medialess machine such as a clear mix, a fill mix, and an ultrasonic homogenizer. It is dispersed using a disperser, and is subjected to post-treatment such as filtration to be produced. In order to enhance the dispersion stability, it may be manufactured by a self-dispersion treatment or a microcapsule treatment.
<作用>
第1の発明においては、少なくとも、1種類以上の酸性染料を含むアニリンブラック粒子は、アニリンブラックの独自の発色性、黒表現に加えて、酸性染料成分に由来する発色性、色表現が加味されるため、自在な黒表現が可能となることを見出した。含まれる酸性染料はアニリンブラックの酸基の一部として含まれることで不溶化し、さらに、アニリンブラックとのπ−πスタッキングなどの相互作用により、アニリンブラックの高分子の絡み合いの間に層状に含まれるため、樹脂、水や溶剤に溶け出しにくくなると推定される。
<Action>
In the first invention, the aniline black particles containing at least one or more kinds of acid dyes take into account the color development and color expression derived from the acid dye component in addition to the original color development and black expression of aniline black. Therefore, it has been found that a free black expression is possible. The contained acid dye is insolubilized by being included as a part of the acid group of aniline black, and is further contained in a layer between the entanglement of the aniline black polymer by interaction such as π-π stacking with aniline black. Therefore, it is presumed that it is difficult to dissolve in resin, water or a solvent.
第2の発明におけるカーボンブラックをアニリンブラック基本骨格100重量部に対して1〜60重量部含むアニリンブラック粒子であって、該アニリンブラック粒子の体積固有抵抗が106〜1010Ω・cmであることを特徴とするアニリンブラック粒子は、含まれるカーボンブラックがアニリンブラックの形成する高分子中に存在し、表面に露出しないため、体積固有抵抗値の低いカーボンブラックを含んでいながら、高い体積固有抵抗値を実現した。さらに、本発明に係るアニリンブラック粒子は、黒色度が高く、耐熱性の高いカーボンブラックを含むため、従来のアニリンブラックに比較して、高黒色度、高耐熱性を獲得した。 An aniline black particle containing the carbon black according to the second invention in an amount of 1 to 60 parts by weight based on 100 parts by weight of the aniline black basic skeleton, wherein the aniline black particle has a volume resistivity of 10 6 to 10 10 Ω · cm. The aniline black particles are characterized in that the carbon black contained therein is present in the polymer formed by the aniline black and is not exposed to the surface. Realized the resistance value. Furthermore, the aniline black particles according to the present invention have high blackness and high heat resistance, and thus have high blackness and high heat resistance as compared with conventional aniline black.
第3の発明に係る有彩色顔料をアニリンブラック基本骨格100重量部に対して1〜60重量部含むアニリンブラック粒子であって、該アニリンブラックの体積固有抵抗が106〜1010Ω・cmであることを特徴とするアニリンブラック粒子は、その顔料成分により、自在な色相の黒を表現でき、含まれる有彩色顔料がアニリンブラックの形成する高分子中に存在し、表面に露出しないため、有彩色顔料を含んでいながら、黒色度に優れ、高い体積固有抵抗値を実現した。 An aniline black particle containing the chromatic color pigment according to the third invention in an amount of 1 to 60 parts by weight based on 100 parts by weight of the aniline black basic skeleton, wherein the aniline black has a volume resistivity of 10 6 to 10 10 Ω · cm. The aniline black particles are characterized by being able to express black of any hue by their pigment components, and the chromatic pigments contained therein are present in the polymer formed by aniline black and are not exposed on the surface. Despite containing coloring pigments, it has excellent blackness and high volume resistivity.
第4の発明に係る粉体濡れ性試験による疎水化度が5〜80体積%であるアニリンブラック粒子は、従来のアニリンブラックでは達成できなかった樹脂や有機溶剤などの疎水性媒体に分散しやすい特性を持っており、黒色度に優れ、体積固有抵抗値の高いアニリンブラック粒子として好適である。 The aniline black particles having a hydrophobicity of 5 to 80% by volume in the powder wettability test according to the fourth invention are easily dispersed in a hydrophobic medium such as a resin or an organic solvent, which cannot be achieved by the conventional aniline black. It has characteristics, is excellent in blackness, and is suitable as aniline black particles having high volume resistivity.
本発明の代表的な実施の形態は、次の通りである。なお、以下の実施例、比較例において、実施例1−1〜1−20及び比較例1−1〜1−20が第1の発明に関する例であり、実施例2−1〜2−20及び比較例2−1〜2−20が第2の発明に関する例であり、実施例3−1〜3−32及び比較例3−1〜3−20が第3の発明に関する例であり、実施例4−1〜4−15及び比較例4−1〜4−15が第4の発明に関する例である。評価方法を以下に示す。 A typical embodiment of the present invention is as follows. In the following Examples and Comparative Examples, Examples 1-1 to 1-20 and Comparative Examples 1-1 to 1-20 are examples relating to the first invention, and Examples 2-1 to 2-20 and Comparative Examples 2-1 to 2-20 are examples relating to the second invention, and Examples 3-1 to 3-32 and Comparative Examples 3-1 to 3-20 are examples relating to the third invention. 4-1 to 4-15 and Comparative Examples 4-1 to 4-15 are examples relating to the fourth invention. The evaluation method is described below.
体積固有抵抗値は、まず、粒子粉末0.5gを測り取り、KBr錠剤成形器(株式会社島津製作所)用いて、1.372×107Pa(140Kg/cm2)の圧力で加圧成形を行い、円柱状の被測定試料を作製した。この被測定試料をステンレス電極の間にセットし、電気抵抗測定装置(model 4329A 横河北辰電気株式会社製)で15Vの電圧を印加して抵抗値R(Ω)を測定した。次いで、被測定(円柱状)試料の上面の面積A(cm2)と厚みt0(cm)を測定し、下記数1にそれぞれの測定値を挿入して、体積固有抵抗値(Ω・cm)を求めた。
<数1>
体積固有抵抗値(Ω・cm)=R×(A/t0)
The volume specific resistance value is measured by first measuring 0.5 g of the particle powder and performing pressure molding at a pressure of 1.372 × 107 Pa (140 kg / cm 2 ) using a KBr tablet molding machine (Shimadzu Corporation). A cylindrical sample to be measured was prepared. The sample to be measured was set between stainless steel electrodes, and a resistance of R (Ω) was measured by applying a voltage of 15 V with an electric resistance measuring device (model 4329A manufactured by Yokogawa Hokushin Electric Co., Ltd.). Next, the area A (cm 2 ) and the thickness t0 (cm) of the upper surface of the sample to be measured (columnar) are measured, and the respective measured values are inserted into the following equation (1) to obtain a volume resistivity (Ω · cm). I asked.
<Equation 1>
Volume specific resistance (Ω · cm) = R × (A / t0)
一次粒子の平均粒径は、いずれも走査型電子顕微鏡(日立ハイテクノロジーズ製)または透過型電子顕微鏡JEM−1200EX II(日本分光製)による顕微鏡写真に示される一次粒子350個の粒子径を、それぞれ測定し、その平均値で示した。 The average particle diameter of the primary particles is the particle diameter of 350 primary particles shown in a micrograph by a scanning electron microscope (manufactured by Hitachi High-Technologies Corporation) or a transmission electron microscope JEM-1200EX II (manufactured by JASCO Corporation). It was measured and indicated by the average value.
粉体pH値は、試料5gを300mlの三角フラスコには秤取り、煮沸した純水100mlを加え、加熱して煮沸状態を約5分間保持した後、栓をして常温まで放冷し、減量に相当する水を加えて再び栓をして1分間振り混ぜ、5分間静置した後、得られた上澄み液のpHをJIS Z8802−7に従って測定し、得られた値を粉体pH値とした。 The powder pH value was determined by weighing 5 g of a sample in a 300 ml Erlenmeyer flask, adding 100 ml of boiled pure water, heating and maintaining the boiling state for about 5 minutes, closing the stopper and allowing to cool to room temperature, and reducing the weight. After adding water and stoppering again, shaking for 1 minute and allowing to stand for 5 minutes, the pH of the obtained supernatant is measured according to JIS Z8802-7, and the obtained value is defined as the powder pH value. did.
粉体濡れ性試験による疎水化度は、専用機である粉体濡れ性試験機WET−101P(RHESCA製)を用いて求めた。まず、試料粉体1.0gを秤量し、200mLビーカーに入っている純水に浮遊させ、溶液を400rpmで攪拌しながら、その中に超音波洗浄機で十分に脱気したメタノールを連続的に2ml/minで供給した。そして、粉末が濡れて沈降する状態を、レーザ光(780nm)を用いて透過光強度を測定し、透過光強度とメタノール濃度とをプロットして、透過光強度が50%になったときのメタノール濃度を疎水化度として記録した。 The degree of hydrophobicity by the powder wettability test was determined using a powder wettability tester WET-101P (manufactured by RHESCA) which is a dedicated machine. First, 1.0 g of a sample powder was weighed, suspended in pure water in a 200 mL beaker, and while the solution was stirred at 400 rpm, methanol sufficiently degassed by an ultrasonic cleaner was continuously introduced into the solution. It was supplied at 2 ml / min. The transmitted light intensity was measured using a laser beam (780 nm) for the state where the powder was wet and settled, and the transmitted light intensity and the methanol concentration were plotted. The concentration was recorded as the degree of hydrophobicity.
硫黄含有量、および、炭素含有量の定量は、堀場金属炭素・硫黄分析装置E MIA−2200型(堀場製作所製)を用いて硫黄量、炭素含有量を測定することにより求めた。 The quantitative determination of the sulfur content and the carbon content was obtained by measuring the sulfur content and the carbon content using a Horiba metal carbon / sulfur analyzer E MIA-2200 (manufactured by Horiba, Ltd.).
本発明に係るアニリンブラック粒子の色相、明度(黒色度)、彩度は、後述する実施例・比較例で調製した分散体をキャスコート紙上にWET膜厚24μmのバーコーターを用いて塗布した塗布片(塗膜厚み:約6μm)を作製し、該塗布片について、分光測色計X−Rite939(X−Rite製)を用いてJIS Z8729に定めるところに従って表色指数L*値、a*値、b*値をそれぞれ測定した値で示した。また、c*値は下記数2により算出した。
<数2>
c*=((a*)2+(b*)2)1/2
The hue, lightness (blackness), and saturation of the aniline black particles according to the present invention were determined by coating the dispersions prepared in Examples and Comparative Examples described later on a cas-coated paper using a bar coater having a WET film thickness of 24 μm. A piece (coating thickness: about 6 μm) was prepared, and the colorimetric index L * value and a * value of the coated piece were measured using a spectrophotometer X-Rite 939 (manufactured by X-Rite) in accordance with JIS Z8729. , B * values are shown as measured values. Further, the c * value was calculated by the following equation (2).
<Equation 2>
c * = ((a *) 2+ (b *) 2) 1/2
実施例1−1〜1−5及び比較例1−1〜1−5における黒色度の判定は、L*の値によって、下記4段階で評価した。
◎:L*が11未満のもの
○:L*が11以上12未満のもの
△:L*が12以上15未満のもの
×:L*が15以上のもの
The determination of blackness in Examples 1-1 to 1-5 and Comparative Examples 1-1 to 1-5 was evaluated according to the following four grades based on the value of L *.
◎: L * is less than 11 ○: L * is 11 or more and less than 12 Δ: L * is 12 or more and less than 15 ×: L * is 15 or more
実施例2−1〜2−5及び比較例2−1〜2−5におけるアニリンブラック粒子の黒色度の判定は、L*の値によって、下記4段階で評価した。
◎:L*が10.0未満のもの
○:L*が10.0以上12.0未満のもの
△:L*が12.0以上14.0未満のもの
×:L*が14.0以上のもの
The determination of the degree of blackness of the aniline black particles in Examples 2-1 to 2-5 and Comparative Examples 2-1 to 2-5 was evaluated according to the following four grades based on the value of L *.
◎: L * is less than 10.0 :: L * is 10.0 or more and less than 12.0 Δ: L * is 12.0 or more and less than 14.0 ×: L * is 14.0 or more Stuff
実施例3−1〜3−8及び比較例3−1〜3−5におけるアニリンブラックの黒色度の判定は、L*の値によって、下記4段階で評価した。
◎:L*が10.0未満のもの
○:L*が10.0以上12.0未満のもの
△:L*が12.0以上15.0未満のもの
×:L*が15.0以上のもの
The determination of the degree of blackness of aniline black in Examples 3-1 to 3-8 and Comparative examples 3-1 to 3-5 was evaluated according to the following four grades based on the value of L *.
◎: L * is less than 10.0 ○: L * is 10.0 or more and less than 12.0 Δ: L * is 12.0 or more and less than 15.0 ×: L * is 15.0 or more Stuff
実施例4−1〜4−5及び比較例4−1〜4−5におけるアニリンブラックの黒色度の判定は、L*の値によって、下記4段階で評価した。
◎:L*が10.0未満のもの
○:L*が10.0以上12.0未満のもの
△:L*が12.0以上14.0未満のもの
×:L*が14.0以上のもの
The determination of the degree of blackness of aniline black in Examples 4-1 to 4-5 and Comparative Examples 4-1 to 4-5 was evaluated according to the following four grades based on the value of L *.
◎: L * is less than 10.0 :: L * is 10.0 or more and less than 12.0 Δ: L * is 12.0 or more and less than 14.0 ×: L * is 14.0 or more Stuff
本発明に係るアニリンブラックの耐熱性は、後述する実施例で調製した溶剤系分散体をガラスプレート上にWET膜厚6μmのバーコーターを用いて塗布した塗布片(塗膜厚み:約1μm)を作製し、30分120℃で乾燥した後、ギアオーブンにて250℃2時間加熱した。そして該塗布片について、加熱前のOD値(OD1)、加熱後のOD値(OD2)を分光測色計X−Rite939(X−Rite製)を用いて測定し、下記数2により、熱による減色率(%)を算出した。
<数2>
熱による減色率(%)=(OD1−OD2)/OD1×100
The heat resistance of the aniline black according to the present invention is determined by applying a coated piece (coating thickness: about 1 μm) obtained by applying the solvent-based dispersion prepared in Examples described later on a glass plate using a bar coater having a WET film thickness of 6 μm. After being prepared and dried at 120 ° C. for 30 minutes, it was heated at 250 ° C. for 2 hours in a gear oven. The OD value before heating (OD1) and the OD value after heating (OD2) of the coated piece were measured using a spectrophotometer X-Rite 939 (manufactured by X-Rite). The color reduction rate (%) was calculated.
<Equation 2>
Color reduction ratio due to heat (%) = (OD1-OD2) / OD1 × 100
耐熱性の判定は熱による減色率の値によって、下記4段階で評価した。
◎:熱による減色率が10%未満のもの
○:熱による減色率が10%以上20%未満のもの
△:熱による減色率が20%以上30%未満のもの
×:熱による減色率が30%以上のもの
The heat resistance was evaluated according to the following four stages based on the value of the color reduction ratio due to heat.
◎: Color reduction rate due to heat is less than 10% ○: Color reduction rate due to heat is from 10% to less than 20% Δ: Color reduction rate due to heat is from 20% to less than 30% ×: Color reduction rate due to heat is 30 % Or more
本発明に係るアニリンブラックの色は、a*値、b*値、c*値によって、下記6種類に表記した。また、ブラックライト(UVmax=365nm)を照射して蛍光色が発するものを蛍光と表記した。 The colors of aniline black according to the present invention are described in the following six types according to a * value, b * value, and c * value. Further, those that emit a fluorescent color upon irradiation with black light (UVmax = 365 nm) are referred to as fluorescent light.
漆黒の黒:a*、b*が共に0.0のもの
黒味の黒:c*<1.0のもの
青味の黒:−20≦a*<0かつ、−20≦b*<0かつ、1.0≦c*≦28のもの
緑味の黒:−20≦a*<0かつ、0≦b*≦20かつ、1.0≦c*≦28のもの
紫味の黒:0≦a*≦20かつ、−20≦b*<0かつ、1.0≦c*≦28のもの
赤味の黒:0≦a*≦20かつ、0≦b*≦20かつ、1.0≦c*≦28のもの
Jet black: a * and b * are both 0.0 Black black: c * <1.0 Blue black: -20 ≦ a * <0 and -20 ≦ b * <0 And 1.0 ≦ c * ≦ 28 Green black: −20 ≦ a * <0 and 0 ≦ b * ≦ 20 and 1.0 ≦ c * ≦ 28 Purple black: 0 ≦ a * ≦ 20 and −20 ≦ b * <0 and 1.0 ≦ c * ≦ 28 Reddish black: 0 ≦ a * ≦ 20 and 0 ≦ b * ≦ 20 and 1.0 ≦ c * ≦ 28
実施例1−6〜1−10及び比較例1−6〜1−10、実施例2−6〜2−10及び比較例2−6〜2−10、実施例3−9〜3−16及び比較例3−6〜3−10における樹脂組成物の明度L*値については、後述する実施例・比較例で作製した樹脂プレートを、分光測色計X−Rite939(X−Rite製)を用いてJIS Z8729に定めるところに従って、L*値を測定した値で示した。 Examples 1-6 to 1-10 and Comparative Examples 1-6 to 1-10, Examples 2-6 to 2-10 and Comparative Examples 2-6 to 2-10, Examples 3-9 to 3-16 and Regarding the lightness L * values of the resin compositions in Comparative Examples 3-6 to 3-10, the resin plates prepared in Examples and Comparative Examples described below were measured using a spectrophotometer X-Rite939 (manufactured by X-Rite). In accordance with JIS Z8729, L * values were shown as measured values.
実施例1−6〜1−10及び比較例1−6〜1−10における樹脂組成物の黒色度の判定は、L*の値によって、下記4段階で評価した。
◎:L*が11未満のもの
○:L*が11以上12未満のもの
△:L*が12以上15未満のもの
×:L*が15以上のもの
The determination of the degree of blackness of the resin compositions in Examples 1-6 to 1-10 and Comparative Examples 1-6 to 1-10 was evaluated according to the following four grades based on the value of L *.
◎: L * is less than 11 ○: L * is 11 or more and less than 12 Δ: L * is 12 or more and less than 15 ×: L * is 15 or more
実施例2−6〜2−10及び比較例2−6〜2−10における樹脂組成物の黒色度の判定は、L*の値によって、下記4段階で評価した。
◎:L*が10.0未満のもの
○:L*が10.0以上12.0未満のもの
△:L*が12.0以上14.0未満のもの
×:L*が14.0以上のもの
The determination of the degree of blackness of the resin compositions in Examples 2-6 to 2-10 and Comparative Examples 2-6 to 2-10 was evaluated according to the following four grades based on the value of L *.
◎: L * is less than 10.0 :: L * is 10.0 or more and less than 12.0 Δ: L * is 12.0 or more and less than 14.0 ×: L * is 14.0 or more Stuff
実施例3−9〜3−16及び比較例3−6f3−10における樹脂組成物の黒色度の判定は、L*の値によって、下記4段階で評価した。
◎:L*が10.0未満のもの
○:L*が10.0以上12.0未満のもの
△:L*が12.0以上15.0未満のもの
×:L*が15.0以上のもの
The determination of the degree of blackness of the resin compositions in Examples 3-9 to 3-16 and Comparative Examples 3-6f3-10 was evaluated according to the following four grades based on the value of L *.
◎: L * is less than 10.0 ○: L * is 10.0 or more and less than 12.0 Δ: L * is 12.0 or more and less than 15.0 ×: L * is 15.0 or more Stuff
実施例4−6〜4−10及び比較例4−6〜4−10における樹脂組成物の明度L*値については、後述する実施例・比較例で作製した樹脂組成物を3.0g秤量し、6.0gのテトラヒドロフランに浸漬して、キャスコート紙上にWET膜厚24μmのバーコーターを用いて塗布した塗布片(塗膜厚み:約6μm)を作製し、該塗布片について、分光測色計X−Rite939(X−Rite製)を用いてJIS Z8729に定めるところに従って、表色指数L*値を測定した値で示した。 Regarding the lightness L * values of the resin compositions in Examples 4-6 to 4-10 and Comparative Examples 4-6 to 4-10, 3.0 g of the resin compositions prepared in Examples and Comparative Examples described below were weighed. , 6.0 g of tetrahydrofuran to prepare a coated piece (coating thickness: about 6 μm) applied on a Cas-coated paper using a bar coater having a WET film thickness of 24 μm. The X-Rite 939 (manufactured by X-Rite) was used to determine the colorimetric index L * value according to JIS Z8729 as a measured value.
実施例4−6〜4−10及び比較例4−6〜4−10における樹脂組成物の黒色度の判定は、L*の値によって、下記4段階で評価した。
◎:L*が10.0未満のもの
○:L*が10.0以上12.0未満のもの
△:L*が12.0以上14.0未満のもの
×:L*が14.0以上のもの
The determination of the degree of blackness of the resin compositions in Examples 4-6 to 4-10 and Comparative Examples 4-6 to 4-10 was evaluated according to the following four grades based on the value of L *.
◎: L * is less than 10.0 :: L * is 10.0 or more and less than 12.0 Δ: L * is 12.0 or more and less than 14.0 ×: L * is 14.0 or more Stuff
実施例1−6〜1−10及び比較例1−6〜1−10、実施例2−6〜2−10及び比較例2−6〜2−10、実施例3−9〜3−16及び比較例3−6〜3−10における樹脂組成物の分散状態は、得られた樹脂組成物表面における未分散の凝集粒子の個数を目視により判定し、5段階で評価した。5が最も分散状態が良いことを示す。
5:未分散物が認められない。
4:1cm2当たりに1〜4個認められる。
3:1cm2当たりに5〜9個認められる。
2:1cm2当たりに10〜49個認められる。
1:1cm2当たりに50個以上認められる。
Examples 1-6 to 1-10 and Comparative Examples 1-6 to 1-10, Examples 2-6 to 2-10 and Comparative Examples 2-6 to 2-10, Examples 3-9 to 3-16 and The dispersion state of the resin composition in Comparative Examples 3-6 to 3-10 was evaluated by visual determination of the number of undispersed aggregated particles on the surface of the obtained resin composition, and evaluated on a five-point scale. 5 indicates that the dispersion state is the best.
5: No undispersed substance is observed.
4: 1 to 4 pieces are observed per 1 cm 2 .
3: 5 to 9 particles are observed per 1 cm 2 .
2: 10 to 49 cells are found per 1 cm 2 .
50 or more are observed per 1: 1 cm 2 .
実施例4−6〜4−10及び比較例4−6〜4−10におけるアニリンブラック粒子の樹脂への分散性は、後述する樹脂組成物の分散性が3以上のものを○、2のものを△、1のものを×と判定した。 In Examples 4-6 to 4-10 and Comparative Examples 4-6 to 4-10, the dispersibility of the aniline black particles in the resin was as follows. Was evaluated as x, and 1 was evaluated as x.
実施例4−6〜4−10及び比較例4−6〜4−10におけるアニリンブラックの有機溶剤への分散性は、後述する溶剤系分散体の粘度が10mP・s以下で保存安定性が○のものを○、粘度が10mP・sを超えて20mP・s以下で保存安定性が○のもの、もしくは、粘度が10mP・s以下で保存安定性が△のものを△、それ以外のものを×とした。 In Examples 4-6 to 4-10 and Comparative Examples 4-6 to 4-10, the dispersibility of aniline black in an organic solvent was such that the viscosity of a solvent-based dispersion described below was 10 mP · s or less and storage stability was good.の も の, those with a viscosity of more than 10 mP · s and 20 mP · s or less and storage stability of 、, or those with a viscosity of 10 mP · s or less and storage stability of △, X.
実施例4−6〜4−10及び比較例4−6〜4−10における樹脂組成物の分散性は、後述する組成の樹脂組成物を下記組成にてエポキシモノマーに分散して60℃、24時間静置硬化して、ペレットを作製した。
(エポキシ樹脂包埋)
樹脂組成物 1mg
電子顕微鏡用エポキシ樹脂包埋剤Quetol−812 3.0g
(日新EM製)
DDSA(硬化剤) 1.0g
(日新EM製)
MNA(硬化剤) 2.0g
(日新EM製)
DMP−30(重合加速剤) 0.01g
(日新EM製)
そして、このペレットをこのRMCウルトラミクロトームMT2C(盟和商事)にて2μmの膜厚にスライスして、これを透過型電子顕微鏡にて観察し、下記4段階で評価した。
4:未分散物が認められない。
3:100μm2当たりに未分散物が1〜10個認められる。
2:100μm2当たりに未分散物が10〜49個認められる。
1:100μm2当たりに未分散物が50個以上認められる。
The dispersibility of the resin compositions in Examples 4-6 to 4-10 and Comparative Examples 4-6 to 4-10 was determined by dispersing a resin composition having a composition described below in an epoxy monomer with the following composition at 60 ° C. and 24 ° C. After standing and curing for a time, pellets were produced.
(Embedded epoxy resin)
Resin composition 1mg
3.0 g of epoxy resin embedding agent for the electron microscope, Quetol-812
(Nissin EM)
DDSA (curing agent) 1.0g
(Nissin EM)
MNA (curing agent) 2.0g
(Nissin EM)
DMP-30 (polymerization accelerator) 0.01 g
(Nissin EM)
Then, the pellet was sliced into a film having a thickness of 2 μm by using the RMC ultramicrotome MT2C (Taiwa Shoji), and the slice was observed with a transmission electron microscope, and evaluated according to the following four grades.
4: No undispersed substance is observed.
3: 1 to 10 undispersed substances are observed per 100 μm 2 .
2: 10 to 49 undispersed substances are observed per 100 μm 2 .
1: 50 or more undispersed substances are observed per 100 μm 2 .
本発明に係る樹脂組成物の耐熱性は、後述する実施例で調製した樹脂組成物を超遠心粉砕機 ZM200(レッチェ製)を用いて12000rpmにて粉砕し、そのうち、3.0gをプロピレングリコール1−モノメチルエーテル2−アセタート6.0gに浸漬し、これを、ガラスプレート上にWET膜厚6μmのバーコーターを用いて塗布した塗布片(塗膜厚み:約1μm)を作製し、30分120℃で乾燥した後、ギアオーブンにて250℃2時間加熱した。そして該塗布片について、加熱前のOD値(OD1)、加熱後のOD値(OD2)を分光測色計X−Rite939(X−Rite製)を用いて測定し、下記数3により、熱による減色率(%)を算出した。
<数3>
熱による減色率(%)=(OD1−OD2)/OD1×100
The heat resistance of the resin composition according to the present invention was determined by grinding the resin composition prepared in Examples described later at 12,000 rpm using an ultracentrifugal mill ZM200 (manufactured by Lecce), and 3.0 g of propylene glycol 1 was used. Immersion in 6.0 g of monomethyl ether 2-acetate, this was coated on a glass plate using a bar coater having a WET film thickness of 6 μm to prepare a coated piece (coating thickness: about 1 μm), and 120 ° C. for 30 minutes And heated in a gear oven at 250 ° C. for 2 hours. The OD value before heating (OD1) and the OD value after heating (OD2) of the coated piece were measured using a spectrophotometer X-Rite 939 (manufactured by X-Rite). The color reduction rate (%) was calculated.
<Equation 3>
Color reduction ratio due to heat (%) = (OD1-OD2) / OD1 × 100
耐熱性の判定は熱による減色率の値によって、下記4段階で評価した。
◎:熱による減色率が10%未満のもの
○:熱による減色率が10%以上20%未満のもの
△:熱による減色率が20%以上30%未満のもの
×:熱による減色率が30%以上のもの
The heat resistance was evaluated according to the following four stages based on the value of the color reduction ratio due to heat.
◎: Color reduction rate due to heat is less than 10% ○: Color reduction rate due to heat is from 10% to less than 20% Δ: Color reduction rate due to heat is from 20% to less than 30% ×: Color reduction rate due to heat is 30 % Or more
本発明に係る水系分散体、および、溶剤系分散体の粘度はE型粘度計TV−30(東機産業社製)を用いて測定した。 The viscosities of the aqueous dispersion and the solvent dispersion according to the present invention were measured using an E-type viscometer TV-30 (manufactured by Toki Sangyo Co., Ltd.).
本発明に係る水系分散体、および、溶剤系分散体の保存安定性評価は、初期粘度と、25℃で1週間後の経時粘度をE型粘度計TV−30(東機産業製)を用いて測定した。この初期粘度(V1)から経時粘度(V2)への粘度変化率を下記数3で算出し、下記3段階で評価した。 The aqueous dispersion according to the present invention and the storage stability of the solvent-based dispersion were evaluated using an E-type viscometer TV-30 (manufactured by Toki Sangyo Co., Ltd.) based on the initial viscosity and the temporal viscosity after one week at 25 ° C. Measured. The rate of change in viscosity from the initial viscosity (V1) to the viscosity over time (V2) was calculated by the following equation (3) and evaluated according to the following three grades.
<数3>
粘度変化率(%)=(V2−V1)/V1×100
<Equation 3>
Viscosity change rate (%) = (V2−V1) / V1 × 100
○:粘度変化率が±10%未満
△:粘度変化率が±10%以上±30%未満
×:粘度変化率が30%以上
:: Change in viscosity is less than ± 10% Δ: Change in viscosity is ± 10% or more and less than ± 30% ×: Change in viscosity is 30% or more
本発明に係る水系分散体、および、溶剤系分散体の塗膜の色相、明度(黒色度)、彩度については、分散体をキャスコート紙上にWET膜厚24μmのバーコーターを用いて塗布した塗布片(塗膜厚み:約6μm)を作製し、該塗布片について、分光測色計X−Rite939(X−Rite製)を用いてJIS Z8729に定めるところに従って表色指数L*値、a*値、b*値をそれぞれ測定した値で示した。また、c*は下記数4により算出した。
<数4>
c*=((a*)2+(b*)2)1/2
Regarding the hue, lightness (blackness), and saturation of the aqueous dispersion according to the present invention and the coating film of the solvent-based dispersion, the dispersion was coated on a cas-coated paper using a bar coater having a WET film thickness of 24 μm. A coated piece (coating thickness: about 6 μm) was prepared, and the coated piece was measured using a spectrophotometer X-Rite 939 (manufactured by X-Rite) in accordance with JIS Z8729 and a colorimetric index L * value, a * Values and b * values are shown as measured values. Further, c * was calculated by the following equation (4).
<Equation 4>
c * = ((a *) 2 + (b *) 2 ) 1/2
実施例1−12〜1−20及び比較例1−11〜1−20における水系分散体、および、溶剤系分散体の塗膜の黒色度の判定は、L*の値によって、下記4段階で評価した。
◎:L*が11未満のもの
○:L*が11以上12未満のもの
△:L*が12以上15未満のもの
×:L*が15以上のもの
The aqueous dispersions in Examples 1-12 to 1-20 and Comparative Examples 1-11 to 1-20, and the determination of the degree of blackness of the coating film of the solvent-based dispersion were performed in the following four stages depending on the value of L *. evaluated.
◎: L * is less than 11 ○: L * is 11 or more and less than 12 Δ: L * is 12 or more and less than 15 ×: L * is 15 or more
実施例2−12〜2−28及び比較例2−11〜2−20における水系分散体、および、溶剤系分散体の塗膜の黒色度の判定は、L*の値によって、下記4段階で評価した。
◎:L*が10.0未満のもの
○:L*が10.0以上12.0未満のもの
△:L*が12.0以上14.0未満のもの
×:L*が14.0以上のもの
The water-based dispersions in Examples 2-12 to 2-28 and Comparative Examples 2-11 to 2-20, and the determination of the blackness of the coating film of the solvent-based dispersion were determined in the following four stages depending on the value of L *. evaluated.
◎: L * is less than 10.0 :: L * is 10.0 or more and less than 12.0 Δ: L * is 12.0 or more and less than 14.0 ×: L * is 14.0 or more Stuff
実施例3−17〜3−32及び比較例3−11〜3−20における水系分散体、および、溶剤系分散体の塗膜の黒色度の判定は、L*の値によって、下記4段階で評価した。
◎:L*が10.0未満のもの
○:L*が10.0以上12.0未満のもの
△:L*が12.0以上15.0未満のもの
×:L*が15.0以上のもの
The water-based dispersions in Examples 3-17 to 3-32 and Comparative Examples 3-11 to 3-20, and the determination of the blackness of the coating film of the solvent-based dispersion were performed in the following four stages depending on the value of L *. evaluated.
◎: L * is less than 10.0 ○: L * is 10.0 or more and less than 12.0 Δ: L * is 12.0 or more and less than 15.0 ×: L * is 15.0 or more Stuff
実施例4−11〜4−15及び比較例4−11〜4−15における溶剤系分散体の塗膜の黒色度の判定は、L*の値によって、下記4段階で評価した。
◎:L*が10.0未満のもの
○:L*が10.0以上12.0未満のもの
△:L*が12.0以上14.0未満のもの
×:L*が14.0以上のもの
The determination of the blackness of the coating films of the solvent-based dispersions in Examples 4-11 to 4-15 and Comparative Examples 4-11 to 4-15 was evaluated according to the following four grades based on the value of L *.
◎: L * is less than 10.0 :: L * is 10.0 or more and less than 12.0 Δ: L * is 12.0 or more and less than 14.0 ×: L * is 14.0 or more Stuff
本発明に係る水系分散体、および、溶剤系分散体の塗膜の色は、a*値、b*値、c*値によって、下記6種類に表記した。また、ブラックライト(UVmax=365nm)を照射して蛍光色が発するものを蛍光と表記した。 The colors of the coating films of the aqueous dispersion and the solvent-based dispersion according to the present invention are represented by the following six types according to a * value, b * value, and c * value. Further, those that emit a fluorescent color upon irradiation with black light (UVmax = 365 nm) are referred to as fluorescent light.
漆黒の黒:a*、b*が共に0.0のもの
黒味の黒:c*<1.0のもの
青味の黒:−20≦a*<0かつ、−20≦b*<0かつ、1.0≦c*≦28のもの
緑味の黒:−20≦a*<0かつ、0≦b*≦20かつ、1.0≦c*≦28のもの
紫味の黒:0≦a*≦20かつ、−20≦b*<0かつ、1.0≦c*≦28のもの
赤味の黒:0≦a*≦20かつ、0≦b*≦20かつ、1.0≦c*≦28のもの
Jet black: a * and b * are both 0.0 Black black: c * <1.0 Blue black: -20 ≦ a * <0 and -20 ≦ b * <0 And 1.0 ≦ c * ≦ 28 Green black: −20 ≦ a * <0 and 0 ≦ b * ≦ 20 and 1.0 ≦ c * ≦ 28 Purple black: 0 ≦ a * ≦ 20 and −20 ≦ b * <0 and 1.0 ≦ c * ≦ 28 Reddish black: 0 ≦ a * ≦ 20 and 0 ≦ b * ≦ 20 and 1.0 ≦ c * ≦ 28
本発明に係る水系分散体、および、溶剤系分散体の塗膜の光沢度については、バーコーターを用いて塗布した塗布片を、グロスメーターUGV−5D(スガ試験機株式会社製)を用いて45°の光沢度を測定して求めた。光沢度の値が高いほど、分散体の分散性が良いことを示す。 Regarding the glossiness of the coating film of the aqueous dispersion and the solvent-based dispersion according to the present invention, a coated piece applied using a bar coater was measured using a gloss meter UGV-5D (manufactured by Suga Test Instruments Co., Ltd.). It was determined by measuring the gloss at 45 °. The higher the gloss value, the better the dispersibility of the dispersion.
本発明に係る水系分散体、および、溶剤系分散体の耐熱性は、後述する実施例で調製した分散体をガラスプレート上にWET膜厚6μmのバーコーターを用いて塗布した塗布片(塗膜厚み:約1μm)を作製し、30分120℃で乾燥した後、ギアオーブンにて250℃2時間加熱した。そして該塗布片について、加熱前のOD値(OD1)、加熱後のOD値(OD2)を分光測色計X−Rite939(X−Rite製)を用いて測定し、下記数5により、熱による減色率(%)を算出した。
<数5>
熱による減色率(%)=(OD1−OD2)/OD1×100
The heat resistance of the water-based dispersion and the solvent-based dispersion according to the present invention can be determined by using a coated piece (coating film) obtained by applying the dispersion prepared in Examples described later on a glass plate using a bar coater having a WET film thickness of 6 μm. (Thickness: about 1 μm), dried at 120 ° C. for 30 minutes, and then heated in a gear oven at 250 ° C. for 2 hours. The OD value before heating (OD1) and the OD value after heating (OD2) of the coated piece were measured using a spectrophotometer X-Rite 939 (manufactured by X-Rite). The color reduction rate (%) was calculated.
<Equation 5>
Color reduction ratio due to heat (%) = (OD1-OD2) / OD1 × 100
耐熱性の判定は熱による減色率の値によって、下記4段階で評価した。
◎:熱による減色率が10%未満のもの
○:熱による減色率が10%以上20%未満のもの
△:熱による減色率が20%以上30%未満のもの
×:熱による減色率が30%以上のもの
The heat resistance was evaluated according to the following four stages based on the value of the color reduction ratio due to heat.
◎: Color reduction rate due to heat is less than 10% ○: Color reduction rate due to heat is from 10% to less than 20% Δ: Color reduction rate due to heat is from 20% to less than 30% ×: Color reduction rate due to heat is 30 % Or more
以下の実施例1−1〜1−20及び比較例1−1〜1−20は、第1の発明に関する例である。
<アニリンブラックの製造>
実施例1−1:
71%硫酸15.8g(0.11mol)と35%塩酸31.8g(0.32mol)と水2500mlに、アニリン30g(0.32mol)を入れ、C.I.Acid Red 52 0.9gを添加し、溶解した。その後、液温60℃で攪拌混合しながら、塩化第二鉄4.6g(0.036mol)を水70mlに溶解した水溶液、30%過酸化水素78.0g(0.69mol)を2時間かけて滴下し、その後液温60℃にて1時間攪拌混合を行い反応終了とした。反応終了後、反応液を濾過、水洗し得られたケーキを1000mlの水を用い再分散させ、24時間攪拌した。その後10%カセイソーダにてpH8.0に中和し、pHが安定した後濾過、水洗しペーストを60℃で乾燥してアニリンブラックを得た。(アニリンブラック1−1)
酸性染料を含まない以外は同一条件で調製した比較例1のアニリンブラック1−6はa*=0.1,b*=0.7と黒味の黒でありながら、若干ながら赤味を有している。これに対し、本実施例のアニリンブラック1−1は酸性染料の種類、量を選定して含むことにより、a*=0.0,b*=0.0に意図的に調整して、調製されており、目標どおり、漆黒の黒の色を表現できている。
The following Examples 1-1 to 1-20 and Comparative Examples 1-1 to 1-20 are examples relating to the first invention.
<Production of aniline black>
Example 1-1:
In 15.8 g (0.11 mol) of 71% sulfuric acid, 31.8 g (0.32 mol) of 35% hydrochloric acid and 2500 ml of water, 30 g (0.32 mol) of aniline was added. I. Acid Red 52 0.9 g was added and dissolved. Thereafter, while stirring and mixing at a liquid temperature of 60 ° C., an aqueous solution in which 4.6 g (0.036 mol) of ferric chloride was dissolved in 70 ml of water, and 78.0 g (0.69 mol) of 30% hydrogen peroxide were taken over 2 hours. After the dropwise addition, the mixture was stirred and mixed at a liquid temperature of 60 ° C. for 1 hour to complete the reaction. After completion of the reaction, the reaction solution was filtered and washed with water, and the obtained cake was redispersed with 1000 ml of water and stirred for 24 hours. Thereafter, the mixture was neutralized to pH 8.0 with 10% sodium hydroxide solution. After the pH was stabilized, the mixture was filtered and washed with water, and the paste was dried at 60 ° C. to obtain aniline black. (Aniline black 1-1)
The aniline black 1-6 of Comparative Example 1, which was prepared under the same conditions except that the acid dye was not contained, had a * = 0.1 and b * = 0.7, which was blackish black but slightly reddish. are doing. On the other hand, the aniline black 1-1 of the present example was prepared by intentionally adjusting a * = 0.0 and b * = 0.0 by selecting and including the kind and amount of the acid dye. It has been able to express the jet black color as intended.
実施例1−2〜1−5:
酸性染料の種類と量、反応条件を種々変化させた以外は前記実施例1−1と同様にして、意図的に色を調整したアニリンブラックを得た。目標色としては、実施例1−2は青味の黒、実施例1−3は青味の黒、実施例1−4は紫味の黒、実施例1−5は紫味の黒+蛍光である。
Examples 1-2 to 1-5:
Aniline black whose color was intentionally adjusted was obtained in the same manner as in Example 1-1 except that the kind and amount of the acid dye and the reaction conditions were variously changed. As target colors, Example 1-2 is bluish black, Example 1-3 is bluish black, Example 1-4 is purple black, and Example 1-5 is purple black + fluorescence. It is.
これらの実施例における製造条件を表1−1に、得られたアニリンブラックの諸特性を表1−2に示す。 The production conditions in these examples are shown in Table 1-1, and various characteristics of the obtained aniline black are shown in Table 1-2.
比較例1−1(特開2012−153744号公報の実施例1の追試実験):
71%硫酸15.8g(0.11mol)と35%塩酸31.8g(0.32mol)と水2500mlに、アニリン30g(0.32mol)を入れ、液温60℃で攪拌混合しながら、塩化第二鉄4.6g(0.0363mol)を水70mlに溶解した水溶液、30%過酸化水素78.0g(0.69mol)を2時間かけて滴下し、その後液温60℃にて1時間攪拌混合を行い反応終了とした。反応終了後、反応液を濾過、水洗し得られたケーキを1000mlの水を用い再分散させ、24時間攪拌した。その後10%カセイソーダにてpH9.5に中和し、pHが安定した後濾過、水洗しペーストを60℃で乾燥してアニリンブラックを得た。(アニリンブラック1−6)
Comparative Example 1-1 (Additional test experiment of Example 1 in JP-A-2012-153744):
30 g (0.32 mol) of aniline was placed in 15.8 g (0.11 mol) of 71% sulfuric acid, 31.8 g (0.32 mol) of 35% hydrochloric acid and 2500 ml of water, and the mixture was stirred at a liquid temperature of 60 ° C. with stirring. An aqueous solution in which 4.6 g (0.0363 mol) of diiron was dissolved in 70 ml of water, and 78.0 g (0.69 mol) of 30% hydrogen peroxide were added dropwise over 2 hours, and then stirred and mixed at a liquid temperature of 60 ° C. for 1 hour. To complete the reaction. After completion of the reaction, the reaction solution was filtered and washed with water, and the obtained cake was redispersed with 1000 ml of water and stirred for 24 hours. Thereafter, the mixture was neutralized to pH 9.5 with 10% sodium hydroxide solution. After the pH was stabilized, the mixture was filtered and washed with water, and the paste was dried at 60 ° C. to obtain aniline black. (Aniline black 1-6)
比較例1−2(特開2012−153745号公報の実施例1の追試実験):
35%塩酸33.8g(0.33mol)と水1250mlに、アニリン30g(0.32mol)を入れ、液温60℃で攪拌混合しながら、4ヒドロキシベンゼンスルホン酸15.0g(0.086mol)を添加し均一に溶解させた後、塩化第一鉄4.6g(0.036mol)を水70mlに溶解した水溶液、30%過酸化水素78.0g(0.69mol)を2時間かけて滴下し、その後液温60℃にて1時間攪拌混合を行い反応終了とした。反応終了後、反応液を濾過、水洗し得られたケーキを1000mlの水を用い再分散させ、24時間攪拌した。その後10%カセイソーダにてpH6.5に中和し、pHが安定した後濾過、水洗しペーストを60℃で乾燥してアニリンブラックを得た。(アニリンブラック1−7)
Comparative Example 1-2 (Additional Experiment of Example 1 of JP-A-2012-153745):
30 g (0.32 mol) of aniline was added to 33.8 g (0.33 mol) of 35% hydrochloric acid and 1250 ml of water, and 15.0 g (0.086 mol) of 4-hydroxybenzenesulfonic acid was added while stirring and mixing at a liquid temperature of 60 ° C. After the addition and uniform dissolution, an aqueous solution in which 4.6 g (0.036 mol) of ferrous chloride was dissolved in 70 ml of water, and 78.0 g (0.69 mol) of 30% hydrogen peroxide were added dropwise over 2 hours. Thereafter, the mixture was stirred and mixed at a liquid temperature of 60 ° C. for 1 hour to complete the reaction. After completion of the reaction, the reaction solution was filtered and washed with water, and the obtained cake was redispersed with 1000 ml of water and stirred for 24 hours. Thereafter, the mixture was neutralized to pH 6.5 with 10% sodium hydroxide solution. After the pH was stabilized, the mixture was filtered and washed with water, and the paste was dried at 60 ° C. to obtain aniline black. (Aniline black 1-7)
比較例1−3(特開2001−261989号公報の実施例5の追試実験):
アニリン30g(0.32mol)を5.1%硫酸水溶液600ml(0.31mol)に溶解し、これに塩化第二鉄6水和物7.8g(0.029mol)を一度に加え、40℃で過硫酸アンモニウム144g(0.63mol)を水600mlに溶解した溶液を15分間で滴下した後、70〜75℃に加熱して1時間撹拌した。反応後、不溶物を濾取、水洗し、得られたケーキを900mlの水に再スラリー化し、10%水酸化ナトリウム水溶液でpH7に調整した後、90℃で30分間加熱撹拌した。不溶物を濾取、水洗、乾燥して、アニリンブラックを得た。(アニリンブラック1−8)
Comparative Example 1-3 (Additional Experiment of Example 5 in JP-A-2001-261989):
30 g (0.32 mol) of aniline was dissolved in 600 ml (0.31 mol) of a 5.1% aqueous sulfuric acid solution, and 7.8 g (0.029 mol) of ferric chloride hexahydrate was added thereto all at once. A solution of 144 g (0.63 mol) of ammonium persulfate dissolved in 600 ml of water was added dropwise over 15 minutes, and the mixture was heated to 70 to 75 ° C. and stirred for 1 hour. After the reaction, insolubles were collected by filtration, washed with water, and the obtained cake was reslurried in 900 ml of water, adjusted to pH 7 with a 10% aqueous sodium hydroxide solution, and then heated and stirred at 90 ° C. for 30 minutes. The insoluble matter was collected by filtration, washed with water, and dried to obtain aniline black. (Aniline black 1-8)
比較例1−4(特開2000−72974号公報の実施例1の追試実験):
62%硫酸18.0g(0.11mol)と35%塩酸31.8g(0.32mol)と水300mlに、アニリン30g(0.32mol)を入れ、攪拌溶解した後、硫酸第一鉄13.2g(0.087mol)を水60mlに溶解したものを一度に添加する。液温15℃で攪拌混合しながら、30%過酸化水素90.0g(0.79mol)を4時間にて添加し、その後液温15℃にて4時間攪拌混合を行い反応終了とする。反応終了後、反応液を濾過、水洗し得られたケーキを960mlの水を用い再分散させ、10%カセイソーダにてPH7に中和し、PHが安定した後濾過、水洗しペーストを60℃で乾燥して、アニリンブラックを得た。(アニリンブラック1−9)
Comparative Example 1-4 (Additional Experiment of Example 1 of JP-A-2000-72974):
In 18.0 g (0.11 mol) of 62% sulfuric acid, 31.8 g (0.32 mol) of 35% hydrochloric acid and 300 ml of water, 30 g (0.32 mol) of aniline was dissolved by stirring, and then 13.2 g of ferrous sulfate was dissolved. (0.087 mol) dissolved in 60 ml of water is added all at once. While stirring and mixing at a liquid temperature of 15 ° C., 90.0 g (0.79 mol) of 30% hydrogen peroxide was added in 4 hours, and then the mixture was stirred and mixed at a liquid temperature of 15 ° C. for 4 hours to complete the reaction. After completion of the reaction, the reaction solution was filtered and washed with water. The obtained cake was redispersed with 960 ml of water, neutralized to pH 7 with 10% sodium hydroxide solution, and after the pH was stabilized, filtered and washed with water and the paste was washed at 60 ° C. Drying gave aniline black. (Aniline black 1-9)
比較例1−5(特開平9−31353号公報の実施例4の追試実験):
イオン交換水540部、4メチルベンゼンスルホン酸30部(0.17mol)、1%濃度の硫酸第二鉄15部(0.0004mol)、あらかじめ溶解させておいたポリイソプレンスルホン酸ナトリウム(分子量=3万)10%濃度の水溶液350部を反応容器に仕込み、よく攪拌し、ついで35%塩酸33.8g(0.33mol)とアニリン30g(0.32mol)を仕込んだ。反応温度を20℃に保ちながら、5%濃度の過酸化水素水360部を2時間かけて連続的に添加し、さらに2時間攪拌した後、濾過、水洗しペーストを60℃で乾燥して、アニリンブラックを得た。(アンリンブラック1−10)
Comparative Example 1-5 (Repeated experiment of Example 4 in JP-A-9-31353):
540 parts of ion-exchanged water, 30 parts (0.17 mol) of 4 methylbenzenesulfonic acid, 15 parts (0.0004 mol) of 1% ferric sulfate, sodium polyisoprenesulfonate dissolved in advance (molecular weight = 3) 10,000) 350 parts of a 10% strength aqueous solution was charged into a reaction vessel, stirred well, and then 33.8 g (0.33 mol) of 35% hydrochloric acid and 30 g (0.32 mol) of aniline were charged. While maintaining the reaction temperature at 20 ° C., 360 parts of a 5% strength hydrogen peroxide solution were continuously added over 2 hours, and the mixture was further stirred for 2 hours, filtered, washed with water, and dried at 60 ° C. Aniline black was obtained. (Anrin Black 1-10)
これらの比較例の製造条件を表1に、得られたアニリンブラックの諸特性を表2に示す。 Table 1 shows the production conditions of these comparative examples, and Table 2 shows the properties of the obtained aniline black.
以上のように、第1の発明のアニリンブラック粒子は、目的に応じた色相の黒を表現でき、従来では表現しづらかった青味の黒、紫味の黒、漆黒の黒でも表現することが可能であり、黒色度に優れ、体積固有抵抗値の高いことは明白である。 As described above, the aniline black particles of the first invention can express black with a hue according to the purpose, and can also express blue black, purple black, jet black which were conventionally difficult to express. It is clear that it is possible, has excellent blackness, and has a high volume resistivity.
<樹脂組成物の製造>
実施例1−6:
実施例1−1で得たアニリンブラック1−1粒子1.5gとポリ塩化ビニル樹脂粉末103EP8D(日本ゼオン株式会社製)48.5gとを秤量し、これらを100ccポリビーカーに入れ、スパチュラでよく混合して混合粉末を得た。得られた混合粉末にステアリン酸カルシウムを0.5g加えて混合し、160℃に加熱した熱間ロールのクリアランスを0.2mmに設定し、上記混合粉末を少しずつロールに練り込んで樹脂組成物が一体となるまで混練を続けた後、樹脂組成物をロールから剥離した。次に、表面研磨されたステンレス板の間に上記樹脂組成物を挟んで180℃に加熱したホットプレス内に入れ、1トン/cm2の圧力で加圧成形して厚さ1mmの樹脂組成物を得た。
得られた樹脂組成物の分散状態は5で、L*値は7.9となり、黒色度は◎であった。
<Production of resin composition>
Example 1-6:
1.5 g of the aniline black 1-1 particles obtained in Example 1-1 and 48.5 g of polyvinyl chloride resin powder 103EP8D (manufactured by Nippon Zeon Co., Ltd.) were weighed, put in a 100 cc polybeaker, and satisfied with a spatula. The mixture was mixed to obtain a mixed powder. To the obtained mixed powder, 0.5 g of calcium stearate was added and mixed, the clearance of a hot roll heated to 160 ° C. was set to 0.2 mm, and the mixed powder was kneaded little by little into a roll to obtain a resin composition. After the kneading was continued until they were integrated, the resin composition was peeled from the roll. Next, the resin composition is sandwiched between stainless steel plates whose surfaces are polished, placed in a hot press heated to 180 ° C., and pressed under a pressure of 1 ton / cm 2 to obtain a resin composition having a thickness of 1 mm. Was.
The dispersion state of the obtained resin composition was 5, the L * value was 7.9, and the blackness was ◎.
実施例1−7〜1−10、比較例1−6〜1−10:
アニリンブラック粒子の種類を変化させた以外は、前記実施例6と同様にして樹脂組成物を得た。
Examples 1-7 to 1-10, Comparative Examples 1-6 to 1-10:
A resin composition was obtained in the same manner as in Example 6 except that the type of aniline black particles was changed.
このときに得られた樹脂組成物の諸特性を表1−3に示す。 Various characteristics of the resin composition obtained at this time are shown in Table 1-3.
以上のように、第1の発明の樹脂組成物は、分散状態に優れ、黒色度に優れることは明白である。 As described above, it is clear that the resin composition of the first invention is excellent in a dispersed state and excellent in blackness.
<水系分散体の製造>
実施例1−11:
140mlのガラスビンに、実施例1で得たアニリンブラック粉末7.50gを用い、水系分散体組成を下記割合で配合して1.5mmφガラスビーズ50gとともにペイントシェーカーで60分間混合分散し水系分散体を調製した。
アニリンブラック 7.50重量部、
アニオン系界面活性剤 2.50重量部、
(ハイテノールNF−08 :第一工業製薬製)
スチレン−アクリル共重合体 10.00重量部、
(JONCRYL63J :BASF製)
消泡剤 0.50重量部、
(エンバイロジェムAD−01 :日信化学工業製)
水 31.00重量部。
<Production of aqueous dispersion>
Example 1-11:
In a 140 ml glass bottle, using the aniline black powder obtained in Example 1 in an amount of 7.50 g, the aqueous dispersion composition was blended at the following ratio and mixed and dispersed together with 50 g of 1.5 mmφ glass beads by a paint shaker for 60 minutes to obtain an aqueous dispersion. Prepared.
7.50 parts by weight of aniline black,
2.50 parts by weight of an anionic surfactant,
(HITENOL NF-08: manufactured by Daiichi Kogyo Pharmaceutical)
Styrene-acrylic copolymer 10.00 parts by weight,
(JONCRYL63J: BASF)
0.50 parts by weight of an antifoaming agent,
(Envirome Gem AD-01: manufactured by Nissin Chemical Industry)
31.00 parts by weight of water.
得られた水系分散体の粘度は13.8mPa・sであった。保存安定性は○であった。以上より、分散性は良好である。また、光沢度は20%で塗膜はL*値が8.6、a*値が0.0、b*値が0.0であり、目標どおり漆黒の黒を表現できた。 The viscosity of the obtained aqueous dispersion was 13.8 mPa · s. The storage stability was ○. As described above, the dispersibility is good. In addition, the glossiness was 20%, and the coating film had an L * value of 8.6, an a * value of 0.0, and a b * value of 0.0, and could express jet black as intended.
実施例1−12〜1−15、比較例1−11〜1−15:
アニリンブラック粒子の種類を種々変化させた以外は、前記実施例1−11と同様にして水系分散体を得た。目標色としては、実施例1−12は青味の黒、実施例1−13は青味の黒、実施例1−14は紫味の黒、実施例1−15は紫味の黒+蛍光である。
Examples 1-12-1-15, Comparative Examples 1-11-1-15:
An aqueous dispersion was obtained in the same manner as in Example 1-11, except that the type of aniline black particles was variously changed. As target colors, Example 1-12 is bluish black, Example 1-13 is bluish black, Example 1-14 is purple black, and Example 1-15 is purple black + fluorescent. It is.
このときに得られた水系分散体の諸特性を表1−4に示す。 The properties of the aqueous dispersion obtained at this time are shown in Table 1-4.
以上のように、第1の発明の水系分散体は、分散性に優れ、目標に応じた色相の黒を表現でき、従来では表現しづらかった青味の黒、紫味の黒、漆黒の黒でも表現することが可能であり、黒色度に優れることは明白である。 As described above, the aqueous dispersion of the first invention is excellent in dispersibility, can express black having a desired hue, and is conventionally difficult to express in bluish black, purple black, jet black. However, it is clear that the blackness is excellent.
<溶剤系分散体の製造>
実施例1−16:
140mlのガラスビンに、実施例1−1で得たアニリンブラック1−1粉末7.50gを用い、溶剤系分散体組成を下記割合で配合して1.5mmφガラスビーズ50gとともにペイントシェーカーで60分間混合分散し溶剤系分散体を調製した。
アニリンブラック1−1 7.50重量部、
高分子分散剤 2.00重量部、
(PB822:味の素ファインテクノ製)
スチレンーアクリル共重合体 3.00重量部、
(JONCRYL680:BASF製)
プロピレングリコール1−モノメチルエーテル2−アセタート
37.50重量部。
<Production of solvent-based dispersion>
Example 1-16:
7.40 g of the aniline black 1-1 powder obtained in Example 1-1 was mixed in a 140 ml glass bottle, the solvent-based dispersion composition was blended at the following ratio, and mixed with 50 g of 1.5 mmφ glass beads by a paint shaker for 60 minutes. This was dispersed to prepare a solvent-based dispersion.
7.50 parts by weight of aniline black 1-1,
2.00 parts by weight of polymer dispersant,
(PB822: manufactured by Ajinomoto Fine Techno)
Styrene-acrylic copolymer 3.00 parts by weight,
(JONCRYL680: BASF)
Propylene glycol 1-monomethyl ether 2-acetate
37.50 parts by weight.
得られた溶剤系粘度は15.1mPa・sであった。保存安定性は○であった。以上より、分散性は良好である。また、光沢度は20%で塗膜はL*値が8.9、a*値が0.0、b*値が0.0であり、目標どおり漆黒の黒を表現できた。 The resulting solvent-based viscosity was 15.1 mPa · s. The storage stability was ○. As described above, the dispersibility is good. Further, the glossiness was 20%, and the coating film had an L * value of 8.9, an a * value of 0.0, and a b * value of 0.0, and could express jet black as intended.
実施例1−17〜1−20、比較例1−16〜1−20:
アニリンブラックの種類を種々変化させた以外は、前記実施例1−16と同様にして溶剤系分散体を得た。目標色としては、実施例1−17は青味の黒、実施例1−18は青味の黒、実施例1−19は紫味の黒、実施例1−20は紫味の黒+蛍光である。
Examples 1-17 to 1-20, Comparative Examples 1-16 to 1-20:
A solvent-based dispersion was obtained in the same manner as in Example 1-16, except that the type of aniline black was variously changed. As target colors, Example 1-17 is bluish black, Example 1-18 is bluish black, Example 1-19 is purple black, and Example 1-20 is purple black + fluorescent. It is.
このときに得られた溶剤系分散体の諸特性を表1−5に示す。 Various properties of the solvent-based dispersion obtained at this time are shown in Table 1-5.
以上のように、第1の発明の溶剤系分散体は、分散性に優れ、目標に応じた色相の黒を表現でき、従来では表現しづらかった青味の黒、紫味の黒、漆黒の黒でも表現することが可能であり、黒色度に優れることは明白である。 As described above, the solvent-based dispersion of the first invention is excellent in dispersibility, can express black having a desired hue, and has conventionally been difficult to express in bluish black, purple black, and jet black. It is possible to express even black, and it is clear that the blackness is excellent.
以下の実施例2−1〜2−20及び比較例2−1〜2−20は、第2の発明に関する例である。
<アニリンブラックの製造>
実施例2−1:
35%塩酸31.8g(0.32mol)と水2500mlに、アニリン30g(0.32mol)を入れ、ドデシルベンゼンスルホン酸ナトリウム10.4g(0.032mol)を添加し、酸性水溶液とした。この液にカーボンブラック3.0g(REGAL330R、一次粒子の平均粒径0.025μm、キャボット製)を添加し、クレアミックス(エムテクニック製)を用いて分散操作を行った。その後、液温60℃で攪拌混合しながら、塩化第二鉄4.6g(0.036mol)を水70mlに溶解した水溶液、30%過酸化水素78.0g(0.69mol)を2時間かけて滴下し、その後液温60℃にて1時間攪拌混合(熟成)を行い反応終了とした。反応終了後、反応液を濾過、水洗し得られたケーキを1000mlの水を用い再分散させ、24時間攪拌した。その後10%カセイソーダにてpH8.0に中和し、pHが安定した後濾過、水洗しペーストを60℃で乾燥してアニリンブラックを得た(アニリンブラック2−1)。
The following Examples 2-1 to 2-20 and Comparative Examples 2-1 to 2-20 are examples relating to the second invention.
<Production of aniline black>
Example 2-1:
To 31.8 g (0.32 mol) of 35% hydrochloric acid and 2500 ml of water, 30 g (0.32 mol) of aniline was added, and 10.4 g (0.032 mol) of sodium dodecylbenzenesulfonate was added to obtain an acidic aqueous solution. 3.0 g of carbon black (REGAL330R, average particle size of primary particles: 0.025 μm, manufactured by Cabot) was added to this liquid, and a dispersion operation was performed using CLEARMIX (manufactured by M Technique). Thereafter, while stirring and mixing at a liquid temperature of 60 ° C., an aqueous solution in which 4.6 g (0.036 mol) of ferric chloride was dissolved in 70 ml of water, and 78.0 g (0.69 mol) of 30% hydrogen peroxide were taken over 2 hours. Then, the mixture was stirred and mixed (aged) at a liquid temperature of 60 ° C. for 1 hour to complete the reaction. After completion of the reaction, the reaction solution was filtered and washed with water, and the obtained cake was redispersed with 1000 ml of water and stirred for 24 hours. Thereafter, the mixture was neutralized to pH 8.0 with 10% sodium hydroxide solution. After the pH was stabilized, the mixture was filtered and washed with water, and the paste was dried at 60 ° C. to obtain aniline black (aniline black 2-1).
アニリンブラック2−1に含まれるカーボンブラックの量を定量するため、アニリンブラック2−1、1.00gを秤量し、N−メチルピロリドン10mLを加えてアニリンブラックを溶解した。その後、濾過し、N−メチルピロリドン、純水で洗浄、乾燥して、黒色粒子0.09gを得た。この黒色粒子の赤外吸収スペクトル測定(島津FT−IR8300:島津製作所製)、および、炭素含有量の定量からカーボンブラックであることが同定された。つまり、アニリンブラック2−1は、カーボンブラックを、アニリンブラック基本骨格100重量部に対して、10重量部含むことが明らかとなった。また、このカーボンブラックの一次粒子の平均粒径は0.025μmであった。 To determine the amount of carbon black contained in aniline black 2-1, 1.00 g of aniline black 2-1 was weighed, and 10 ml of N-methylpyrrolidone was added to dissolve aniline black. Thereafter, the mixture was filtered, washed with N-methylpyrrolidone and pure water, and dried to obtain 0.09 g of black particles. The black particles were identified as carbon black by infrared absorption spectrum measurement (Shimadzu FT-IR8300: manufactured by Shimadzu Corporation) and quantification of the carbon content. That is, it was revealed that aniline black 2-1 contained 10 parts by weight of carbon black with respect to 100 parts by weight of the basic skeleton of aniline black. The average primary particle size of the carbon black was 0.025 μm.
また、アニリンブラック2−1の体積固有抵抗値は2×108Ω・cmであった。比較例1に示したノンクロムアニリンブラック(体積固有抵抗値:6×109Ω・cm)に10重量%のカーボンブラックを混合して体積固有抵抗値を測定すると、2×103Ω・cmとなり、少量でもカーボンブラックを単純混合すると劇的に体積固有抵抗値が低下する。アニリンブラック2−1の体積固有抵抗値が低下しないのは、カーボンブラックがアニリンブラックに被覆されているためであると推定される。 The volume resistivity of aniline black 2-1 was 2 × 10 8 Ω · cm. When 10% by weight of carbon black was mixed with the non-chromic aniline black (volume resistivity: 6 × 10 9 Ω · cm) shown in Comparative Example 1, the volume resistivity was measured to be 2 × 10 3 Ω · cm. However, simple mixing of carbon black even in a small amount dramatically reduces the volume resistivity. It is estimated that the reason why the volume resistivity of aniline black 2-1 does not decrease is that carbon black is coated with aniline black.
また、このアニリンブラック2−1の硫黄含有量は1.5重量%であった。硫黄成分の由来は添加したドデシルベンゼンスルホン酸によるものであり、このドデシルベンゼンスルホン酸は、酸基としてアニリンブラックの一部となっていると推定される。ドデシルベンゼンを添加せず、本反応を行うと、カーボンブラックとアニリンブラックが別々に存在する混合粒子が得られる。この混合粒子の体積固有抵抗値は2×103Ω・cmであり、前述のアニリンブラックとカーボンブラックの混合物の値と一致する。このように、アニリンブラックとカーボンブラックの複合化にはドデシルベンゼンスルホン酸のような含硫黄化合物が有効に作用している。 The sulfur content of this aniline black 2-1 was 1.5% by weight. The origin of the sulfur component is due to the added dodecylbenzenesulfonic acid, and it is presumed that this dodecylbenzenesulfonic acid is part of aniline black as an acid group. When this reaction is performed without adding dodecylbenzene, mixed particles in which carbon black and aniline black are separately present are obtained. The volume specific resistance value of the mixed particles is 2 × 10 3 Ω · cm, which matches the value of the mixture of aniline black and carbon black described above. As described above, a sulfur-containing compound such as dodecylbenzenesulfonic acid is effectively acting on the composite of aniline black and carbon black.
実施例2−2〜2−5:
カーボンブラックの種類と量、反応条件を種々変化させた以外は前記実施例2−1と同様にして、本発明に係るアニリンブラックを得た。
Examples 2-2 to 2-5:
Aniline black according to the present invention was obtained in the same manner as in Example 2-1 except that the type and amount of carbon black and the reaction conditions were variously changed.
これらの実施例における製造条件を表2−1に、得られたアニリンブラックの諸特性を表2−2に示す。 The production conditions in these examples are shown in Table 2-1 and various properties of the obtained aniline black are shown in Table 2-2.
比較例2−1(特開2012−153744号公報の実施例1の追試実験):
比較例1−1と同様の操作によりアニリンブラックを得た(アニリンブラック2−6)。
Comparative Example 2-1 (Additional Experiment of Example 1 of JP-A-2012-153744):
Aniline black was obtained in the same manner as in Comparative Example 1-1 (aniline black 2-6).
比較例2−2(特開2012−153745号公報の実施例1の追試実験):
比較例1−2と同様の操作によりアニリンブラックを得た(アニリンブラック2−7)。
Comparative Example 2-2 (Additional test experiment of Example 1 in JP-A-2012-153745):
Aniline black was obtained by the same operation as in Comparative Example 1-2 (aniline black 2-7).
比較例2−3(特開2001−261989号公報の実施例5の追試実験):
比較例1−3と同様の操作によりアニリンブラックを得た(アニリンブラック2−8)。
Comparative Example 2-3 (Additional Experiment of Example 5 in JP-A-2001-261989):
Aniline black was obtained by the same operation as in Comparative Example 1-3 (aniline black 2-8).
比較例2−4(特開2000−72974号公報の実施例1の追試実験):
比較例1−4と同様の操作によりアニリンブラックを得た(アニリンブラック2−9)。
Comparative Example 2-4 (Additional Experiment of Example 1 of JP-A-2000-72974):
Aniline black was obtained by the same operation as in Comparative Example 1-4 (aniline black 2-9).
比較例2−5(特開平9−31353号公報の実施例4の追試実験):
比較例1−5と同様の操作によりアニリンブラックを得た(アニリンブラック2−10)。
Comparative Example 2-5 (Repeated test of Example 4 in JP-A-9-31353):
Aniline black was obtained in the same manner as in Comparative Example 1-5 (aniline black 2-10).
これらの比較例の製造条件を表2−1に、得られたアニリンブラックの諸特性を表2−2に示す。 The production conditions of these comparative examples are shown in Table 2-1 and various properties of the obtained aniline black are shown in Table 2-2.
以上のように、第2の発明に係るアニリンブラック粒子は、黒色度に優れ、体積固有抵抗値が高く、耐熱性の高いアニリンブラックであることは明らかである。 As described above, it is clear that the aniline black particles according to the second invention are aniline black having excellent blackness, high volume resistivity, and high heat resistance.
<樹脂組成物の製造>
実施例2−6:
実施例2−1で得たアニリンブラック2−1粒子1.5重量部とスチレン−アクリル共重合体JONCRYL680(BASF製)48.5重量部とを秤量し、混合して混合粉末を得た。得られた混合粉末にステアリン酸カルシウム0.5重量部を加えて混合し、160℃に加熱した熱間ロールのクリアランスを0.2mmに設定し、上記混合粉末を少しずつロールに練り込んで樹脂組成物が一体となるまで混練を続けた後、樹脂組成物をロールから剥離した。次に、表面研磨されたステンレス板の間に上記樹脂組成物を挟んで180℃に加熱したホットプレス内に入れ、1トン/cm2の圧力で加圧成形して厚さ1mmの樹脂組成物を得た。
得られた樹脂組成物の分散性は5で、L*値は7.5となり、黒色度は◎であった。
さらに、熱による減色率は12%で、耐熱性は○であった。
<Production of resin composition>
Example 2-6:
1.5 parts by weight of the aniline black 2-1 particles obtained in Example 2-1 and 48.5 parts by weight of a styrene-acrylic copolymer JONCRYL680 (manufactured by BASF) were weighed and mixed to obtain a mixed powder. To the obtained mixed powder, 0.5 part by weight of calcium stearate was added and mixed, the clearance of a hot roll heated to 160 ° C. was set to 0.2 mm, and the mixed powder was kneaded little by little into a roll to obtain a resin composition. After the kneading was continued until the objects were integrated, the resin composition was peeled from the roll. Next, the resin composition is sandwiched between stainless steel plates whose surfaces are polished, placed in a hot press heated to 180 ° C., and pressed under a pressure of 1 ton / cm 2 to obtain a resin composition having a thickness of 1 mm. Was.
The dispersibility of the obtained resin composition was 5, the L * value was 7.5, and the blackness was ◎.
Further, the color reduction ratio due to heat was 12%, and the heat resistance was ○.
実施例2−7〜2−10、比較例2−6〜2−10:
アニリンブラックの種類を変化させた以外は、前記実施例2−6と同様にして樹脂組成物を得た。
Examples 2-7 to 2-10, Comparative examples 2-6 to 2-10:
A resin composition was obtained in the same manner as in Example 2-6, except that the type of aniline black was changed.
このときに得られた樹脂組成物の諸特性を表2−3に示す。 Various properties of the resin composition obtained at this time are shown in Table 2-3.
以上のように、第2の発明の樹脂組成物は、分散性に優れ、黒色度に優れ、耐熱性が高いことは明らかである。 As described above, it is clear that the resin composition of the second invention has excellent dispersibility, excellent blackness, and high heat resistance.
<水系分散体の製造>
実施例2−11:
実施例2−1で得たアニリンブラック2−1を用い、水系分散体組成を下記割合で配合して1.5mmφガラスビーズ50重量部とともにペイントシェーカーで60分間混合分散し水系分散体を調製した。
アニリンブラック2−1 7.50重量部、
アニオン系界面活性剤 2.50重量部、
(ハイテノールNF−08 :第一工業製薬製)
スチレン−アクリル共重合体 10.00重量部、
(JONCRYL63J :BASF製)
消泡剤 0.50重量部、
(エンバイロジェムAD−01 :日信化学工業製)
水 31.00重量部。
得られた水系分散体の粘度は7.5mPa・sであった。保存安定性は○であった。以上より、分散性は良好である。また、光沢度は19%で、L*値が8.2、a*値が−0.3、b*値が−0.1であり、黒色度は◎であった。さらに、熱による減色率は14%で、耐熱性は○であった。
<Production of aqueous dispersion>
Example 2-11:
Using the aniline black 2-1 obtained in Example 2-1, the aqueous dispersion composition was blended at the following ratio and mixed and dispersed together with 50 parts by weight of 1.5 mmφ glass beads for 60 minutes with a paint shaker to prepare an aqueous dispersion. .
Aniline black 2-1 7.50 parts by weight,
2.50 parts by weight of an anionic surfactant,
(HITENOL NF-08: manufactured by Daiichi Kogyo Pharmaceutical)
Styrene-acrylic copolymer 10.00 parts by weight,
(JONCRYL63J: BASF)
0.50 parts by weight of an antifoaming agent,
(Envirome Gem AD-01: manufactured by Nissin Chemical Industry)
31.00 parts by weight of water.
The viscosity of the obtained aqueous dispersion was 7.5 mPa · s. The storage stability was ○. As described above, the dispersibility is good. The gloss was 19%, the L * value was 8.2, the a * value was -0.3, the b * value was -0.1, and the blackness was ◎. Further, the color reduction ratio due to heat was 14%, and the heat resistance was ○.
実施例2−12〜2−15、比較例2−11〜2−15:
アニリンブラックの種類を種々変化させた以外は、前記実施例2−11と同様にして水系分散体を得た。
Examples 2-12 to 2-15, Comparative Examples 2-11 to 2-15:
An aqueous dispersion was obtained in the same manner as in Example 2-11, except that the type of aniline black was variously changed.
このときに得られた水系分散体の諸特性を表2−4に示す。 Various properties of the aqueous dispersion obtained at this time are shown in Table 2-4.
以上のように、第2の発明の水系分散体は、保存安定性、光沢度といった分散性に優れ、黒色度、耐熱性に優れることは明らかである。 As described above, it is apparent that the aqueous dispersion of the second invention is excellent in dispersibility such as storage stability and glossiness, and excellent in blackness and heat resistance.
<溶剤系分散体の製造>
実施例2−16:
実施例1で得たアニリンブラック2−1を用い、溶剤系分散体組成を下記割合で配合して1.5mmφガラスビーズ50重量部とともにペイントシェーカーで60分間混合分散し溶剤系分散体を調製した。
アニリンブラック2−1 7.50重量部、
高分子分散剤 2.00重量部、
(PB822:味の素ファインテクノ製)
スチレンーアクリル共重合体 3.00重量部、
(JONCRYL680:BASF製)
プロピレングリコール1−モノメチルエーテル2−アセタート
37.50重量部。
得られた溶剤系粘度は8.0mPa・sであった。保存安定性は○であった。以上より、分散性は良好である。また、光沢度は20%で塗膜はL*値が7.5、a*値が−0.2、b*値が−0.1であり、黒色度は◎であった。さらに、熱による減色率は15%で、耐熱性は○であった。
<Production of solvent-based dispersion>
Example 2-16:
Using the aniline black 2-1 obtained in Example 1, the solvent-based dispersion composition was blended at the following ratio and mixed and dispersed together with 50 parts by weight of 1.5 mmφ glass beads for 60 minutes using a paint shaker to prepare a solvent-based dispersion. .
Aniline black 2-1 7.50 parts by weight,
2.00 parts by weight of polymer dispersant,
(PB822: manufactured by Ajinomoto Fine Techno)
Styrene-acrylic copolymer 3.00 parts by weight,
(JONCRYL680: BASF)
Propylene glycol 1-monomethyl ether 2-acetate
37.50 parts by weight.
The resulting solvent-based viscosity was 8.0 mPa · s. The storage stability was ○. As described above, the dispersibility is good. Also, the glossiness was 20%, the coating film had an L * value of 7.5, an a * value of -0.2, a b * value of -0.1, and a blackness of ◎. Further, the color reduction ratio due to heat was 15%, and the heat resistance was ○.
実施例2−17〜2−20、比較例2−16〜2−20:
アニリンブラックの種類を種々変化させた以外は、前記実施例2−16と同様にして溶剤系分散体を得た。
Examples 2-17 to 2-20, Comparative Examples 2-16 to 2-20:
A solvent-based dispersion was obtained in the same manner as in Example 2-16, except that the type of aniline black was variously changed.
このときに得られた溶剤系分散体の諸特性を表2−5に示す。 Table 2-5 shows various characteristics of the solvent-based dispersion obtained at this time.
以上のように、第2の発明の溶剤系分散体は、保存安定性、光沢度といった分散性に優れ、黒色度、耐熱性に優れることは明らかである。 As described above, it is clear that the solvent-based dispersion of the second invention is excellent in dispersibility such as storage stability and glossiness, and is excellent in blackness and heat resistance.
以下の実施例3−1〜3−28及び比較例3−1〜3−20は、第3の発明に関する例である。
<アニリンブラックの製造>
実施例3−1:
71%硫酸15.8重量部と35%塩酸31.8重量部と水2500重量部に、アニリン30重量部を入れ、ドデシルベンゼンスルホン酸ナトリウム9.1重量部を添加し、酸性水溶液とした。この液にフタロシアニン(C.I.Pigment Blue15:3)3.0重量部(HOSTAPERM BLUE B4G、一次粒子の平均粒径0.1μm、クラリアント製)を添加し、クレアミックス(エムテクニック製)を用いて分散操作を行った。その後、液温60℃で攪拌混合しながら、塩化第二鉄6水和物4.0重量部を水70重量部に溶解した水溶液、35%過酸化水素水73.0重量部を2時間かけて滴下し、その後液温60℃にて1時間攪拌混合(熟成)を行い反応終了とした。反応終了後、反応液を濾過、水洗し得られたケーキを1000重量部の水を用い再分散させ、24時間攪拌した。その後10%水酸化ナトリウム水溶液にてpH8.0に中和し、pHが安定した後濾過、水洗しペーストを60℃で乾燥してアニリンブラックを得た(アニリンブラック3−1)。
フタロシアニンとドデシルベンゼンスルホン酸ナトリウムを含まない以外は同一条件で調製した比較例3−1のアニリンブラック3−9はa*=0.1、b*=0.7と黒味の黒でありながら、若干ながら赤味を有している。これに対し、本実施例のアニリンブラック3−1は顔料の種類、量を選定して含むことにより、a*=0.0、b*=0.0に意図的に調整して、調製されており、目標どおり、漆黒の黒を表現できている。
The following Examples 3-1 to 3-28 and Comparative Examples 3-1 to 3-20 are examples relating to the third invention.
<Production of aniline black>
Example 3-1:
30 parts by weight of aniline were added to 15.8 parts by weight of 71% sulfuric acid, 31.8 parts by weight of 35% hydrochloric acid and 2500 parts by weight of water, and 9.1 parts by weight of sodium dodecylbenzenesulfonate was added to obtain an acidic aqueous solution. To this solution, 3.0 parts by weight of phthalocyanine (CI Pigment Blue 15: 3) (HOSTAPERM BLUE B4G, average primary particle diameter of 0.1 μm, Clariant) was added, and CLEARMIX (M Technic) was used. To perform a dispersion operation. Thereafter, an aqueous solution in which 4.0 parts by weight of ferric chloride hexahydrate was dissolved in 70 parts by weight of water and 73.0 parts by weight of a 35% hydrogen peroxide solution were added for 2 hours while stirring and mixing at a liquid temperature of 60 ° C. Then, the mixture was stirred and mixed (ripened) at a liquid temperature of 60 ° C. for 1 hour to complete the reaction. After completion of the reaction, the reaction solution was filtered and washed with water, and the obtained cake was re-dispersed using 1000 parts by weight of water and stirred for 24 hours. Thereafter, the mixture was neutralized to pH 8.0 with a 10% aqueous sodium hydroxide solution. After the pH was stabilized, the mixture was filtered, washed with water, and dried at 60 ° C. to obtain aniline black (aniline black 3-1).
The aniline black 3-9 of Comparative Example 3-1 prepared under the same conditions except that phthalocyanine and sodium dodecylbenzenesulfonate were not contained was a * = 0.1, b * = 0.7 and blackish black. , Slightly reddish. In contrast, the aniline black 3-1 of the present example was prepared by intentionally adjusting a * = 0.0 and b * = 0.0 by selecting and including the type and amount of the pigment. And can express jet-black as expected.
アニリンブラック3−1に含まれるフタロシアニンの量を定量するため、アニリンブラック3−1、1.00重量部を秤量し、N−メチルピロリドン10重量部を加えてアニリンブラックを溶解した。その後、濾過し、N−メチルピロリドン、純水で洗浄、乾燥して、シアン粒子0.09重量部を得た。このシアン粒子の赤外吸収スペクトル測定(島津FT−IR8300:島津製作所製)から原料に用いたフタロシアニンと同一であることが同定された。つまり、アニリンブラック3−1は、フタロシアニンを、アニリンブラック基本骨格100重量部に対して、10重量部含むことが明らかとなった。また、このフタロシアニンの一次粒子の平均粒径は0.10μmであった。 In order to determine the amount of phthalocyanine contained in aniline black 3-1, 1.00 part by weight of aniline black 3-1 was weighed, and 10 parts by weight of N-methylpyrrolidone was added to dissolve aniline black. Thereafter, the mixture was filtered, washed with N-methylpyrrolidone and pure water, and dried to obtain 0.09 parts by weight of cyan particles. From the infrared absorption spectrum measurement of these cyan particles (Shimadzu FT-IR8300: manufactured by Shimadzu Corporation), it was identified to be the same as the phthalocyanine used as the raw material. That is, it was revealed that aniline black 3-1 contained 10 parts by weight of phthalocyanine based on 100 parts by weight of the basic skeleton of aniline black. The average particle size of the primary particles of this phthalocyanine was 0.10 μm.
また、アニリンブラック3−1の体積固有抵抗値は2×109Ω・cmであった。従来から黒色顔料としてよく用いられているカーボンブラックの体積固有抵抗値は1×10−2Ω・cm程度であり、アニリンブラック3−1の体積固有抵抗値は高いといえる。 The volume resistivity of aniline black 3-1 was 2 × 10 9 Ω · cm. The volume resistivity of carbon black, which has been frequently used as a black pigment, is about 1 × 10 −2 Ω · cm, and the volume resistivity of aniline black 3-1 can be said to be high.
また、このアニリンブラック3−1の硫黄含有量は1.5重量%であった。比較例3−1の反応条件で硫酸が含まれていながら、アニリンブラック3−9の硫黄含有量が0.1重量%であったことより、アニリンブラック3−1の硫黄成分の由来は添加したドデシルベンゼンスルホン酸によるものであると推定できる。さらには、ドデシルベンゼンスルホン酸が水酸化ナトリウムの中和後でも残存していることを鑑みると、このドデシルベンゼンスルホン酸は、アニリンブラックに化学的に強く結びついているものと考えられる。つまり、酸基としてアニリンブラックの一部となっていると推定される。ドデシルベンゼンスルホン酸を添加せず、本反応を行うと、フタロシアニンとアニリンブラックが別々に存在する混合粒子が得られ、明らかにまだら模様である。このように、アニリンブラックとフタロシアニンの複合化にはドデシルベンゼンスルホン酸のような含硫黄化合物が有効に作用している。 The sulfur content of the aniline black 3-1 was 1.5% by weight. While sulfuric acid was contained under the reaction conditions of Comparative Example 3-1, the sulfur content of aniline black 3-9 was 0.1% by weight, so the origin of the sulfur component of aniline black 3-1 was added. It can be presumed to be due to dodecylbenzene sulfonic acid. Furthermore, considering that dodecylbenzenesulfonic acid remains even after neutralization of sodium hydroxide, it is considered that this dodecylbenzenesulfonic acid is chemically strongly linked to aniline black. That is, it is presumed that it is part of aniline black as an acid group. When this reaction is carried out without adding dodecylbenzenesulfonic acid, mixed particles in which phthalocyanine and aniline black are present separately are obtained, and are apparently mottled. Thus, sulfur-containing compounds such as dodecylbenzene sulfonic acid are effectively acting on the complexation of aniline black and phthalocyanine.
実施例3−2〜3−8:
顔料の種類と量、反応条件を種々変化させた以外は前記実施例3−1と同様にして、本発明に係るアニリンブラックを得た。
Examples 3-1 to 3-8:
Aniline black according to the present invention was obtained in the same manner as in Example 3-1 except that the type and amount of the pigment and the reaction conditions were variously changed.
これらの実施例における製造条件を表3−1に、得られたアニリンブラックの諸特性を表3−2に示す。 The production conditions in these examples are shown in Table 3-1 and various properties of the obtained aniline black are shown in Table 3-2.
比較例3−1(特開2012−153744号公報の実施例1の追試実験):
比較例1−1と同様の操作によりアニリンブラックを得た(アニリンブラック3−9)。
Comparative Example 3-1 (Additional test experiment of Example 1 in JP-A-2012-153744):
Aniline black was obtained by the same operation as in Comparative Example 1-1 (aniline black 3-9).
比較例3−2(特開2012−153745号公報の実施例1の追試実験):
比較例1−2と同様の操作によりアニリンブラックを得た(アニリンブラック3−10)。
Comparative example 3-2 (replicating experiment of Example 1 in JP-A-2012-153745):
Aniline black was obtained by the same operation as in Comparative Example 1-2 (aniline black 3-10).
比較例3−3(特開2001−261989号公報の実施例5の追試実験):
比較例1−3と同様の操作によりアニリンブラックを得た(アニリンブラック3−11)。
Comparative Example 3-3 (replicating experiment of Example 5 in JP-A-2001-261989):
Aniline black was obtained in the same manner as in Comparative Example 1-3 (aniline black 3-11).
比較例3−4(特開2000−72974号公報の実施例1の追試実験):
比較例1−4と同様の操作によりアニリンブラックを得た(アニリンブラック3−12)。
Comparative Example 3-4 (Additional Experiment of Example 1 of JP-A-2000-72974):
Aniline black was obtained in the same manner as in Comparative Example 1-4 (aniline black 3-12).
比較例3−5(特開平9−31353号公報の実施例4の追試実験):
比較例1−5と同様の操作によりアニリンブラックを得た(アンリンブラック3−13)。
Comparative Example 3-5 (Repeated test of Example 4 in JP-A-9-31353):
Aniline black was obtained in the same manner as in Comparative Example 1-5 (Anrin Black 3-13).
これらの比較例の製造条件を表3−1に、得られたアニリンブラックの諸特性を表3−2に示す。 Table 3-1 shows the production conditions of these comparative examples, and Table 3-2 shows various properties of the obtained aniline black.
以上のように、第3の発明に係るアニリンブラックは、様々な目的に応じた色相の黒を表現でき、黒色度に優れ、体積固有抵抗値が高いアニリンブラックであることは明らかである。 As described above, it is clear that the aniline black according to the third invention is an aniline black capable of expressing black of a hue suitable for various purposes, having excellent blackness, and having a high volume resistivity.
<樹脂組成物の製造>
実施例3−9:
実施例3−1で得たアニリンブラック3−1粒子1.5重量部とスチレン−アクリル共重合体JONCRYL680(BASF製)48.5重量部とを秤量し、混合して混合粉末を得た。得られた混合粉末にステアリン酸カルシウム0.5重量部を加えて混合し、160℃に加熱した熱間ロールのクリアランスを0.2mmに設定し、上記混合粉末を少しずつロールに練り込んで樹脂組成物が一体となるまで混練を続けた後、樹脂組成物をロールから剥離した。次に、表面研磨されたステンレス板の間に上記樹脂組成物を挟んで180℃に加熱したホットプレス内に入れ、1トン/cm2の圧力で加圧成形して厚さ1mmの樹脂組成物を得た。
得られた樹脂組成物の分散性は5で、L*値は7.5となり、黒色度は◎であった。
<Production of resin composition>
Example 3-9:
1.5 parts by weight of the aniline black 3-1 particles obtained in Example 3-1 and 48.5 parts by weight of a styrene-acrylic copolymer JONCRYL680 (manufactured by BASF) were weighed and mixed to obtain a mixed powder. To the obtained mixed powder, 0.5 part by weight of calcium stearate was added and mixed, the clearance of a hot roll heated to 160 ° C. was set to 0.2 mm, and the mixed powder was kneaded little by little into a roll to obtain a resin composition. After the kneading was continued until the objects were integrated, the resin composition was peeled from the roll. Next, the resin composition is sandwiched between stainless steel plates whose surfaces are polished, placed in a hot press heated to 180 ° C., and pressed under a pressure of 1 ton / cm 2 to obtain a resin composition having a thickness of 1 mm. Was.
The dispersibility of the obtained resin composition was 5, the L * value was 7.5, and the blackness was ◎.
実施例3−10〜3−16、比較例3−6〜3−10:
アニリンブラックの種類を変化させた以外は、前記実施例3−9と同様にして樹脂組成物を得た。
Examples 3-10 to 3-16, Comparative Examples 3-6 to 3-10:
A resin composition was obtained in the same manner as in Example 3-9, except that the type of aniline black was changed.
このときに得られた樹脂組成物の諸特性を表3−3に示す。 Table 3-3 shows various characteristics of the resin composition obtained at this time.
以上のように、本発明の樹脂組成物は、分散性に優れ、黒色度に優れることは明らかである。 As described above, it is clear that the resin composition of the present invention has excellent dispersibility and excellent blackness.
<水系分散体の製造>
実施例3−17
実施例3−1で得たアニリンブラック3−1粒子を用い、水系分散体組成を下記割合で配合して1.5mmφガラスビーズ50重量部とともにペイントシェーカーで60分間混合分散し水系分散体を調製した。
アニリンブラック3−1粒子 7.50重量部、
アニオン系界面活性剤 2.50重量部、
(ハイテノールNF−08 :第一工業製薬製)
スチレン−アクリル共重合体 10.00重量部、
(JONCRYL63J :BASF製)
消泡剤 0.50重量部、
(エンバイロジェムAD−01 :日信化学工業製)
水 31.00重量部。
得られた水系分散体の粘度は7.5mPa・sであった。保存安定性は○であった。以上より、分散性は良好である。また、光沢度は19%で、L*値が8.2、a*値が0.0、b*値が0.0であり、黒色度は◎であり、漆黒の黒を表現できた。
<Production of aqueous dispersion>
Example 3-17
Using the aniline black 3-1 particles obtained in Example 3-1, the aqueous dispersion composition was blended in the following ratio and mixed and dispersed together with 50 parts by weight of 1.5 mmφ glass beads by a paint shaker for 60 minutes to prepare an aqueous dispersion. did.
7.50 parts by weight of aniline black 3-1 particles,
2.50 parts by weight of an anionic surfactant,
(HITENOL NF-08: manufactured by Daiichi Kogyo Pharmaceutical)
Styrene-acrylic copolymer 10.00 parts by weight,
(JONCRYL63J: BASF)
0.50 parts by weight of an antifoaming agent,
(Envirome Gem AD-01: manufactured by Nissin Chemical Industry)
31.00 parts by weight of water.
The viscosity of the obtained aqueous dispersion was 7.5 mPa · s. The storage stability was ○. As described above, the dispersibility is good. The gloss was 19%, the L * value was 8.2, the a * value was 0.0, the b * value was 0.0, the blackness was ◎, and jet black could be expressed.
実施例3−18〜3−24、比較例3−11〜3−15:
アニリンブラックの種類を種々変化させた以外は、前記実施例3−17と同様にして水系分散体を得た。
Examples 3-18 to 3-24, Comparative Examples 3-11 to 3-15:
An aqueous dispersion was obtained in the same manner as in Example 3-17, except that the type of aniline black was variously changed.
このときに得られた水系分散体の諸特性を表3−4に示す。 The properties of the aqueous dispersion obtained at this time are shown in Table 3-4.
以上のように、第3の発明の水系分散体は、様々な目的に応じた色相の黒を表現でき、保存安定性、光沢度といった分散性に優れ、黒色度に優れることは明らかである。 As described above, it is apparent that the aqueous dispersion of the third invention can express black having a hue according to various purposes, is excellent in storage stability, dispersibility such as glossiness, and is excellent in blackness.
<溶剤系分散体の製造>
実施例3−25
実施例3−1で得たアニリンブラック3−1粒子を用い、溶剤系分散体組成を下記割合で配合して1.5mmφガラスビーズ50重量部とともにペイントシェーカーで60分間混合分散し溶剤系分散体を調製した。
アニリンブラック3−1粒子 7.50重量部、
高分子分散剤 2.00重量部、
(PB822:味の素ファインテクノ製)
スチレンーアクリル共重合体 3.00重量部、
(JONCRYL680:BASF製)
プロピレングリコール1−モノメチルエーテル2−アセタート
37.50重量部。
得られた溶剤系粘度は8.0mPa・sであった。保存安定性は○であった。以上より、分散性は良好である。また、光沢度は20%で塗膜はL*値が7.5、a*値が0.0、b*値が0.0であり、漆黒の黒を表現できた。黒色度は◎であった。
<Production of solvent-based dispersion>
Example 3-25
Using the aniline black 3-1 particles obtained in Example 3-1, the solvent-based dispersion composition was blended in the following ratio and mixed and dispersed with 50 parts by weight of 1.5 mmφ glass beads for 60 minutes using a paint shaker. Was prepared.
7.50 parts by weight of aniline black 3-1 particles,
2.00 parts by weight of polymer dispersant,
(PB822: manufactured by Ajinomoto Fine Techno)
Styrene-acrylic copolymer 3.00 parts by weight,
(JONCRYL680: BASF)
Propylene glycol 1-monomethyl ether 2-acetate
37.50 parts by weight.
The resulting solvent-based viscosity was 8.0 mPa · s. The storage stability was ○. As described above, the dispersibility is good. Further, the glossiness was 20%, and the coating film had an L * value of 7.5, an a * value of 0.0 and a b * value of 0.0, and could express jet black. The blackness was ◎.
実施例3−26〜3−32、比較例3−16〜3−20:
アニリンブラックの種類を種々変化させた以外は、前記実施例3−16と同様にして溶剤系分散体を得た。
Examples 3-26 to 3-32, Comparative Examples 3-16 to 3-20:
A solvent-based dispersion was obtained in the same manner as in Example 3-16, except that the type of aniline black was variously changed.
このときに得られた溶剤系分散体の諸特性を表3−5に示す。 Table 3-5 shows various properties of the solvent-based dispersion obtained at this time.
以上のように、第3の発明の溶剤系分散体は、様々な目的に応じた色相の黒を表現でき、保存安定性、光沢度といった分散性に優れ、黒色度に優れることは明らかである。 As described above, it is apparent that the solvent-based dispersion of the third invention can express black having a hue according to various purposes, has excellent storage stability, has excellent dispersibility such as glossiness, and has excellent blackness. .
以下の実施例4−1〜4−15及び比較例4−1〜4−15は、第4の発明に関する例である。
<アニリンブラックの製造>
実施例4−1:
35%塩酸31.8g(0.32mol)と水2500mlに、アニリン30g(0.32mol)を入れ、ドデシルベンゼンスルホン酸ナトリウム10.4g(0.032mol)を添加し、酸性水溶液とした。その後、液温60℃で攪拌混合しながら、塩化第二鉄4.6g(0.036mol)を水70mlに溶解した水溶液、30%過酸化水素78.0g(0.69mol)を2時間かけて滴下し、その後液温60℃にて1時間攪拌混合を行い反応終了とした。反応終了後、反応液を濾過、水洗し得られたケーキを1000mlの水を用い再分散させ、24時間攪拌した。その後、ラウリルアミン1.5gを適量の1N塩酸水溶液に溶解して添加し、1時間攪拌した。その後、10%水酸化ナトリウム水溶液にてpH8.0に中和し、pHが安定した後濾過、水洗し、ペーストを60℃で乾燥してアニリンブラックを得た。(アニリンブラック4−1)
The following Examples 4-1 to 4-15 and Comparative Examples 4-1 to 4-15 are examples relating to the fourth invention.
<Production of aniline black>
Example 4-1
30 g (0.32 mol) of aniline was added to 31.8 g (0.32 mol) of 35% hydrochloric acid and 2500 ml of water, and 10.4 g (0.032 mol) of sodium dodecylbenzenesulfonate was added to obtain an acidic aqueous solution. Thereafter, while stirring and mixing at a liquid temperature of 60 ° C., an aqueous solution in which 4.6 g (0.036 mol) of ferric chloride was dissolved in 70 ml of water, and 78.0 g (0.69 mol) of 30% hydrogen peroxide were taken over 2 hours. After the dropwise addition, the mixture was stirred and mixed at a liquid temperature of 60 ° C. for 1 hour to complete the reaction. After completion of the reaction, the reaction solution was filtered and washed with water, and the obtained cake was redispersed with 1000 ml of water and stirred for 24 hours. Thereafter, 1.5 g of laurylamine was dissolved in an appropriate amount of a 1N aqueous hydrochloric acid solution and added thereto, followed by stirring for 1 hour. Thereafter, the mixture was neutralized to pH 8.0 with a 10% aqueous sodium hydroxide solution. After the pH was stabilized, the mixture was filtered, washed with water, and the paste was dried at 60 ° C. to obtain aniline black. (Aniline black 4-1)
アニリンブラック4−1の疎水化度は10体積%であった。比較例にあるアニリンブラックの疎水化度は全て0体積%であり、表面処理が疎水化に有効に機能していることがわかる。 The degree of hydrophobicity of aniline black 4-1 was 10% by volume. All of the aniline blacks in the comparative examples have a hydrophobicity of 0% by volume, which indicates that the surface treatment effectively functions in the hydrophobicity.
また、アニリンブラック4−1に含まれる処理剤の量を定量するため、アニリンブラック4−1、1.0gを秤量し、1N塩酸10mLを加えて1時間攪拌した。その後濾過し、濾液に1N水酸化ナトリウムを加えていくと沈殿が生じた。この沈殿を濾過、乾燥し、0.05gの固形分を得た。この固形分の赤外吸収スペクトル測定(島津FT−IR8300:島津製作所製)、および、炭素含有量の定量から、ラウリルアミンであることが同定された。つまり、アニリンブラック4−1は、ラウリルアミンが5.0重量%表面に存在することが明らかとなった。 In addition, in order to determine the amount of the treating agent contained in aniline black 4-1, aniline black 4-1, 1.0 g was weighed, 10 mL of 1N hydrochloric acid was added, and the mixture was stirred for 1 hour. Thereafter, the mixture was filtered, and 1N sodium hydroxide was added to the filtrate, whereby a precipitate was formed. The precipitate was filtered and dried to obtain 0.05 g of a solid content. The solid was identified as laurylamine by infrared absorption spectrum measurement (Shimadzu FT-IR8300: manufactured by Shimadzu Corporation) and quantification of carbon content. That is, it became clear that aniline black 4-1 has laurylamine on the surface at 5.0% by weight.
また、このアニリンブラック4−1の硫黄含有量は1.6重量%であった。硫黄成分の由来は添加したドデシルベンゼンスルホン酸によるものであり、このドデシルベンゼンスルホン酸は、酸基としてアニリンブラックの一部となっているものと推定される。ドデシルベンゼンスルホン酸を添加せず、本反応を行うと、一見アニリンブラック4−1と外見上変化ない粒子が得られるが、硫黄含有量は0.1重量%で、疎水化度は1.5体積%と低く、樹脂や有機溶剤への分散性が低いものとなった。このように、アニリンブラックの表面処理にはドデシルベンゼンスルホン酸のような含硫黄化合物が有効に作用している。 The sulfur content of this aniline black 4-1 was 1.6% by weight. The origin of the sulfur component is due to the added dodecylbenzenesulfonic acid, which is presumed to be part of aniline black as an acid group. When this reaction is carried out without adding dodecylbenzene sulfonic acid, particles that seemingly remain unchanged from aniline black 4-1 are obtained, but the sulfur content is 0.1% by weight and the degree of hydrophobicity is 1.5. % By volume and low dispersibility in resins and organic solvents. Thus, sulfur-containing compounds such as dodecylbenzenesulfonic acid are effectively acting on the surface treatment of aniline black.
実施例4−2〜4−5:
処理剤の種類と量、反応条件を種々変化させた以外は前記実施例4−1と同様にして、本発明に係るアニリンブラックを得た。
Examples 4-2 to 4-5:
Aniline black according to the present invention was obtained in the same manner as in Example 4-1 except that the type and amount of the treating agent and the reaction conditions were variously changed.
これらの実施例における製造条件を表4−1に、得られたアニリンブラックの諸特性を表4−2に示す。 The production conditions in these examples are shown in Table 4-1 and various characteristics of the obtained aniline black are shown in Table 4-2.
比較例4−1(特開2012−153744号公報の実施例1の追試実験):
比較例1−1と同様の操作によりアニリンブラックを得た(アニリンブラック4−6)。
Comparative Example 4-1 (Additional Experiment of Example 1 of JP-A-2012-153744):
Aniline black was obtained by the same operation as in Comparative Example 1-1 (aniline black 4-6).
比較例4−2(特開2012−153745号公報の実施例1の追試実験):
比較例1−2と同様の操作によりアニリンブラックを得た(アニリンブラック4−7)。
Comparative Example 4-2 (Additional Experiment of Example 1 of JP2012-153745A):
Aniline black was obtained in the same manner as in Comparative Example 1-2 (aniline black 4-7).
比較例4−3(特開2001−261989号公報の実施例5の追試実験):
比較例1−3と同様の操作によりアニリンブラックを得た(アニリンブラック4−8)。
Comparative Example 4-3 (Repeated experiment of Example 5 in JP-A-2001-261989):
Aniline black was obtained in the same manner as in Comparative Example 1-3 (aniline black 4-8).
比較例4−4(特開2000−72974号公報の実施例1の追試実験):
比較例1−4と同様の操作によりアニリンブラックを得た(アニリンブラック4−9)。
Comparative example 4-4 (repeated experiment of Example 1 in JP-A-2000-72974):
Aniline black was obtained in the same manner as in Comparative Example 1-4 (aniline black 4-9).
比較例4−5(特開平9−31353号公報の実施例4の追試実験):
比較例1−5と同様の操作によりアニリンブラックを得た(アンリンブラック4−10)。
Comparative example 4-5 (replicating experiment of Example 4 in JP-A-9-31353):
Aniline black was obtained by the same operation as in Comparative Example 1-5 (Anrin Black 4-10).
これらの比較例の製造条件を表4−1に、得られたアニリンブラックの諸特性を表4−2に示す。 The production conditions of these comparative examples are shown in Table 4-1 and various properties of the obtained aniline black are shown in Table 4-2.
実施例のアニリンブラックは、いずれも、樹脂への分散性が「〇」であって有機溶剤への分散性も「〇」であった。一方、比較例のアニリンブラックは、いずれも、樹脂への分散性が「×」であって有機溶剤への分散性も「×」であった。以上のように、第4の発明に係るアニリンブラックは、樹脂や有機溶剤などの疎水性媒体への分散性に優れ、黒色度に優れ、体積固有抵抗値が高いアニリンブラックであることは明らかである。 All of the aniline blacks of the examples had a dispersibility in resin of “へ” and a dispersibility in organic solvent of “〇”. On the other hand, all of the aniline blacks of Comparative Examples had a dispersibility in resin of "x" and a dispersibility in organic solvent of "x". As described above, the aniline black according to the fourth invention is clearly aniline black having excellent dispersibility in a hydrophobic medium such as a resin or an organic solvent, excellent blackness, and a high volume resistivity. is there.
<樹脂組成物の製造>
実施例4−6:
実施例4−1で得たアニリンブラック4−1粒子24.0gとポリエステル樹脂DIACRON ER561(三菱レイヨン製)36.0gを秤量し、サンプルミルにて粉砕した。これを、ラボプラストミル(東洋精機製)にて120℃、25rpmで10分間混練し、取り出したのち室温まで冷却した。こののち、超遠心粉砕機 ZM200(レッチェ製)を用いて12000rpmにて粉砕し、樹脂組成物を得た。
得られた樹脂組成物の分散性は5で、L*値は8.0となり、黒色度は◎であった。
<Production of resin composition>
Example 4-6:
24.0 g of the aniline black 4-1 particles obtained in Example 4-1 and 36.0 g of a polyester resin DIACRON ER561 (manufactured by Mitsubishi Rayon) were weighed and pulverized by a sample mill. This was kneaded in a Labo Plastomill (manufactured by Toyo Seiki) at 120 ° C. and 25 rpm for 10 minutes, taken out and cooled to room temperature. Thereafter, the resultant was pulverized at 12,000 rpm using an ultracentrifugal pulverizer ZM200 (manufactured by Lecce) to obtain a resin composition.
The dispersibility of the obtained resin composition was 5, the L * value was 8.0, and the blackness was ◎.
実施例4−7〜4−10、比較例4−6〜4−10:
アニリンブラックの種類を変化させた以外は、前記実施例4−6と同様にして樹脂組成物を得た。
Examples 4-7 to 4-10, Comparative Examples 4-6 to 4-10:
A resin composition was obtained in the same manner as in Example 4-6, except that the type of aniline black was changed.
このときに得られた樹脂組成物の諸特性を表4−3に示す。 Table 4-3 shows various properties of the resin composition obtained at this time.
以上のように、第4の発明の樹脂組成物は、分散性に優れ、黒色度に優れることは明らかである。 As described above, it is clear that the resin composition of the fourth invention is excellent in dispersibility and blackness.
<溶剤系分散体の製造>
実施例4−11:
実施例1で得たアニリンブラック4−1を用い、溶剤系分散体組成を下記割合で配合して1.5mmφガラスビーズ50gとともにペイントシェーカーで60分間混合分散し溶剤系分散体を調製した。
アニリンブラック 7.50重量部、
高分子分散剤 2.00重量部、
(PB822:味の素ファインテクノ製)
スチレンーアクリル共重合体 3.00重量部、
(JONCRYL611:BASF製)
プロピレングリコール1−モノメチルエーテル2−アセタート
37.50重量部。
得られた溶剤系粘度は8.2mPa・sであった。保存安定性は○であった。以上より、分散性は良好である。また、光沢度は21%で塗膜はL*値が8.0、a*値が−0.5、b*値が−0.4であった。
<Production of solvent-based dispersion>
Example 4-11:
Using the aniline black 4-1 obtained in Example 1, the solvent-based dispersion composition was mixed at the following ratio and mixed and dispersed with 50 g of 1.5 mmφ glass beads for 60 minutes using a paint shaker to prepare a solvent-based dispersion.
7.50 parts by weight of aniline black,
2.00 parts by weight of polymer dispersant,
(PB822: manufactured by Ajinomoto Fine Techno)
Styrene-acrylic copolymer 3.00 parts by weight,
(JONCRYL611: BASF)
Propylene glycol 1-monomethyl ether 2-acetate
37.50 parts by weight.
The obtained solvent-based viscosity was 8.2 mPa · s. The storage stability was ○. As described above, the dispersibility is good. The gloss was 21%, and the coating film had an L * value of 8.0, an a * value of -0.5, and a b * value of -0.4.
実施例4−12〜4−15、比較例4−11〜15:
アニリンブラックの種類を種々変化させた以外は、前記実施例11と同様にして溶剤系分散体を得た。
Examples 4-12 to 4-15, Comparative examples 4-11 to 15:
A solvent-based dispersion was obtained in the same manner as in Example 11 except that the type of aniline black was variously changed.
このときに得られた溶剤系分散体の諸特性を表4−4に示す。 Table 4-4 shows various properties of the solvent-based dispersion obtained at this time.
以上のように、第4の発明の溶剤系分散体は、保存安定性、光沢度といった分散性に優れ、黒色度に優れることは明らかである。 As described above, it is clear that the solvent-based dispersion of the fourth invention is excellent in dispersibility such as storage stability and glossiness, and is excellent in blackness.
本発明に係るアニリンブラックは、クロムなどの有害物質を含まず、用途、目的に応じた自在な黒表現が可能で、従来では表現しづらかった青味の黒、紫味の黒、漆黒の黒でも表現することが可能であり、黒色度が高く、体積固有抵抗値が高いので、電子写真用非磁性現像剤、トナー用荷電制御剤、ブラックマトリクス用着色剤などの電子機器などの分野や、アイブロウペンシル、アイブロウパウダー、アイブロウマスカラ、アイシャドー、コンパクトパウダー、ファンデーション、リップスティック、ネイルエナメルなどの化粧料、塗料、印刷インキ、インクジェットインキなどの各種用途として好適である。また、該アニリンブラックを含んでなる樹脂組成物、水系分散体、および、溶剤系分散体においては、用途、目的に応じた自在な黒表現が可能で、従来では表現しづらかった青味の黒、紫味の黒、漆黒の黒でも表現することが可能であり、黒色度が高く、分散性に優れ、体積固有抵抗値が高く、耐熱性の高いので電子写真用非磁性現像剤、トナー用荷電制御剤、ブラックマトリクス用着色剤などの電子機器などの分野や、てアイブロウペンシル、アイブロウパウダー、アイブロウマスカラ、アイシャドー、コンパクトパウダー、ファンデーション、リップスティック、ネイルエナメルなどの化粧料、塗料、印刷インキ、インクジェットインキなどの各種用途として好適である。 The aniline black according to the present invention does not contain harmful substances such as chromium, and can be freely expressed in black depending on the application and purpose. Conventionally, it is difficult to express blue-black, purple-black, jet-black. It is possible to express even in the field, such as electronic equipment such as non-magnetic developer for electrophotography, charge control agent for toner, colorant for black matrix, etc. It is suitable for various uses such as cosmetics such as eyebrow pencil, eyebrow powder, eyebrow mascara, eye shadow, compact powder, foundation, lipstick, nail enamel, paints, printing inks and inkjet inks. In addition, in the resin composition containing the aniline black, the aqueous dispersion, and the solvent-based dispersion, it is possible to freely express black according to the application and purpose, and a bluish black which has been difficult to express conventionally. , Purple black, jet black, high blackness, excellent dispersibility, high volume resistivity, and high heat resistance for non-magnetic developer for electrophotography and toner Fields of electronic equipment such as charge control agents and colorants for black matrix, and cosmetics such as eyebrow pencils, eyebrow powders, eyebrow mascaras, eye shadows, compact powders, foundations, lipsticks, nail enamels, paints, and printing inks And various uses such as ink-jet ink.
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