JP6587699B2 - Aba型ブロック共重合体、分散剤及び顔料分散組成物 - Google Patents
Aba型ブロック共重合体、分散剤及び顔料分散組成物 Download PDFInfo
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- JP6587699B2 JP6587699B2 JP2017565452A JP2017565452A JP6587699B2 JP 6587699 B2 JP6587699 B2 JP 6587699B2 JP 2017565452 A JP2017565452 A JP 2017565452A JP 2017565452 A JP2017565452 A JP 2017565452A JP 6587699 B2 JP6587699 B2 JP 6587699B2
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- 239000000049 pigment Substances 0.000 title claims description 91
- 229920001400 block copolymer Polymers 0.000 title claims description 72
- 239000000203 mixture Substances 0.000 title claims description 39
- 239000006185 dispersion Substances 0.000 title claims description 38
- 239000002270 dispersing agent Substances 0.000 title claims description 27
- 239000000178 monomer Substances 0.000 claims description 66
- 229920002554 vinyl polymer Polymers 0.000 claims description 57
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 54
- 125000000217 alkyl group Chemical group 0.000 claims description 41
- 125000003118 aryl group Chemical group 0.000 claims description 26
- 125000004432 carbon atom Chemical group C* 0.000 claims description 25
- 239000002253 acid Substances 0.000 claims description 24
- 230000002378 acidificating effect Effects 0.000 claims description 21
- 238000009826 distribution Methods 0.000 claims description 12
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 12
- 238000010526 radical polymerization reaction Methods 0.000 claims description 12
- 125000002723 alicyclic group Chemical group 0.000 claims description 11
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 11
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 6
- 239000002612 dispersion medium Substances 0.000 claims description 5
- 125000000542 sulfonic acid group Chemical group 0.000 claims description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical group OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 2
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- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 70
- 238000006243 chemical reaction Methods 0.000 description 43
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 42
- 238000000034 method Methods 0.000 description 40
- 238000006116 polymerization reaction Methods 0.000 description 37
- -1 acryl Chemical group 0.000 description 32
- 239000000243 solution Substances 0.000 description 31
- 239000000976 ink Substances 0.000 description 29
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 28
- OZAIFHULBGXAKX-VAWYXSNFSA-N AIBN Substances N#CC(C)(C)\N=N\C(C)(C)C#N OZAIFHULBGXAKX-VAWYXSNFSA-N 0.000 description 27
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 27
- 229920001577 copolymer Polymers 0.000 description 26
- 229910052786 argon Inorganic materials 0.000 description 21
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 18
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 18
- SOGAXMICEFXMKE-UHFFFAOYSA-N Butylmethacrylate Chemical compound CCCCOC(=O)C(C)=C SOGAXMICEFXMKE-UHFFFAOYSA-N 0.000 description 17
- 239000011259 mixed solution Substances 0.000 description 17
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 16
- 229920000642 polymer Polymers 0.000 description 16
- 150000003498 tellurium compounds Chemical class 0.000 description 16
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 14
- 238000003756 stirring Methods 0.000 description 14
- 239000012736 aqueous medium Substances 0.000 description 13
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- 239000002609 medium Substances 0.000 description 12
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 11
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 11
- 230000000379 polymerizing effect Effects 0.000 description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 10
- 239000007869 azo polymerization initiator Substances 0.000 description 10
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- SRLROPAFMUDDRC-INIZCTEOSA-N ethyl N-benzoyl-L-tyrosinate Chemical compound C([C@@H](C(=O)OCC)NC(=O)C=1C=CC=CC=1)C1=CC=C(O)C=C1 SRLROPAFMUDDRC-INIZCTEOSA-N 0.000 description 9
- 229920001223 polyethylene glycol Polymers 0.000 description 9
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 8
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 7
- 125000006615 aromatic heterocyclic group Chemical group 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 7
- JPIIVHIVGGOMMV-UHFFFAOYSA-N ditellurium Chemical compound [Te]=[Te] JPIIVHIVGGOMMV-UHFFFAOYSA-N 0.000 description 7
- 230000002209 hydrophobic effect Effects 0.000 description 7
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 7
- 230000035699 permeability Effects 0.000 description 7
- 125000001424 substituent group Chemical group 0.000 description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 6
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 6
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 5
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 5
- 125000003545 alkoxy group Chemical group 0.000 description 5
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 5
- 230000014759 maintenance of location Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- DNIAPMSPPWPWGF-UHFFFAOYSA-N monopropylene glycol Natural products CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 5
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 5
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 5
- SXIFAEWFOJETOA-UHFFFAOYSA-N 4-hydroxy-butyl Chemical group [CH2]CCCO SXIFAEWFOJETOA-UHFFFAOYSA-N 0.000 description 4
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 4
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 4
- 239000002202 Polyethylene glycol Substances 0.000 description 4
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- 239000011324 bead Substances 0.000 description 4
- 239000003086 colorant Substances 0.000 description 4
- 238000004040 coloring Methods 0.000 description 4
- 238000007334 copolymerization reaction Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 4
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 4
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 4
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 4
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 4
- 125000005740 oxycarbonyl group Chemical group [*:1]OC([*:2])=O 0.000 description 4
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 4
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 4
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 4
- DTGKSKDOIYIVQL-WEDXCCLWSA-N (+)-borneol Chemical group C1C[C@@]2(C)[C@@H](O)C[C@@H]1C2(C)C DTGKSKDOIYIVQL-WEDXCCLWSA-N 0.000 description 3
- 229940015975 1,2-hexanediol Drugs 0.000 description 3
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 description 3
- UPGSWASWQBLSKZ-UHFFFAOYSA-N 2-hexoxyethanol Chemical compound CCCCCCOCCO UPGSWASWQBLSKZ-UHFFFAOYSA-N 0.000 description 3
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 3
- 125000001494 2-propynyl group Chemical group [H]C#CC([H])([H])* 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- 125000002252 acyl group Chemical group 0.000 description 3
- 125000003368 amide group Chemical group 0.000 description 3
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 3
- XCJYREBRNVKWGJ-UHFFFAOYSA-N copper(II) phthalocyanine Chemical compound [Cu+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 XCJYREBRNVKWGJ-UHFFFAOYSA-N 0.000 description 3
- 125000004093 cyano group Chemical group *C#N 0.000 description 3
- 125000006165 cyclic alkyl group Chemical group 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 235000019441 ethanol Nutrition 0.000 description 3
- 238000005227 gel permeation chromatography Methods 0.000 description 3
- 235000011187 glycerol Nutrition 0.000 description 3
- FHKSXSQHXQEMOK-UHFFFAOYSA-N hexane-1,2-diol Chemical compound CCCCC(O)CO FHKSXSQHXQEMOK-UHFFFAOYSA-N 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 125000001624 naphthyl group Chemical group 0.000 description 3
- 230000003472 neutralizing effect Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 description 3
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- 125000003107 substituted aryl group Chemical group 0.000 description 3
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- 238000004448 titration Methods 0.000 description 3
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- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 description 2
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- AVTLBBWTUPQRAY-UHFFFAOYSA-N 2-(2-cyanobutan-2-yldiazenyl)-2-methylbutanenitrile Chemical compound CCC(C)(C#N)N=NC(C)(CC)C#N AVTLBBWTUPQRAY-UHFFFAOYSA-N 0.000 description 2
- YHYCMHWTYHPIQS-UHFFFAOYSA-N 2-(2-hydroxyethoxy)-1-methoxyethanol Chemical compound COC(O)COCCO YHYCMHWTYHPIQS-UHFFFAOYSA-N 0.000 description 2
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 2
- FALRKNHUBBKYCC-UHFFFAOYSA-N 2-(chloromethyl)pyridine-3-carbonitrile Chemical compound ClCC1=NC=CC=C1C#N FALRKNHUBBKYCC-UHFFFAOYSA-N 0.000 description 2
- PFHOSZAOXCYAGJ-UHFFFAOYSA-N 2-[(2-cyano-4-methoxy-4-methylpentan-2-yl)diazenyl]-4-methoxy-2,4-dimethylpentanenitrile Chemical compound COC(C)(C)CC(C)(C#N)N=NC(C)(C#N)CC(C)(C)OC PFHOSZAOXCYAGJ-UHFFFAOYSA-N 0.000 description 2
- WYGWHHGCAGTUCH-UHFFFAOYSA-N 2-[(2-cyano-4-methylpentan-2-yl)diazenyl]-2,4-dimethylpentanenitrile Chemical compound CC(C)CC(C)(C#N)N=NC(C)(C#N)CC(C)C WYGWHHGCAGTUCH-UHFFFAOYSA-N 0.000 description 2
- SHJIJMBTDZCOFE-UHFFFAOYSA-N 2-[2-[2-(2-hydroxyethoxy)ethoxy]ethoxy]-1-methoxyethanol Chemical compound COC(O)COCCOCCOCCO SHJIJMBTDZCOFE-UHFFFAOYSA-N 0.000 description 2
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 2
- DBMBAVFODTXIDN-UHFFFAOYSA-N 2-methylbutane-2-sulfonic acid Chemical compound CCC(C)(C)S(O)(=O)=O DBMBAVFODTXIDN-UHFFFAOYSA-N 0.000 description 2
- SVTBMSDMJJWYQN-UHFFFAOYSA-N 2-methylpentane-2,4-diol Chemical compound CC(O)CC(C)(C)O SVTBMSDMJJWYQN-UHFFFAOYSA-N 0.000 description 2
- AGBXYHCHUYARJY-UHFFFAOYSA-N 2-phenylethenesulfonic acid Chemical compound OS(=O)(=O)C=CC1=CC=CC=C1 AGBXYHCHUYARJY-UHFFFAOYSA-N 0.000 description 2
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- VFXXTYGQYWRHJP-UHFFFAOYSA-N 4,4'-azobis(4-cyanopentanoic acid) Chemical compound OC(=O)CCC(C)(C#N)N=NC(C)(CCC(O)=O)C#N VFXXTYGQYWRHJP-UHFFFAOYSA-N 0.000 description 2
- JLBJTVDPSNHSKJ-UHFFFAOYSA-N 4-Methylstyrene Chemical compound CC1=CC=C(C=C)C=C1 JLBJTVDPSNHSKJ-UHFFFAOYSA-N 0.000 description 2
- 101710141544 Allatotropin-related peptide Proteins 0.000 description 2
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- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
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- KYIKRXIYLAGAKQ-UHFFFAOYSA-N abcn Chemical compound C1CCCCC1(C#N)N=NC1(C#N)CCCCC1 KYIKRXIYLAGAKQ-UHFFFAOYSA-N 0.000 description 2
- 125000003647 acryloyl group Chemical group O=C([*])C([H])=C([H])[H] 0.000 description 2
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- 150000001412 amines Chemical class 0.000 description 2
- 239000000010 aprotic solvent Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000010560 atom transfer radical polymerization reaction Methods 0.000 description 2
- DMSMPAJRVJJAGA-UHFFFAOYSA-N benzo[d]isothiazol-3-one Chemical compound C1=CC=C2C(=O)NSC2=C1 DMSMPAJRVJJAGA-UHFFFAOYSA-N 0.000 description 2
- 238000012661 block copolymerization Methods 0.000 description 2
- BTANRVKWQNVYAZ-UHFFFAOYSA-N butan-2-ol Chemical compound CCC(C)O BTANRVKWQNVYAZ-UHFFFAOYSA-N 0.000 description 2
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- LDHQCZJRKDOVOX-NSCUHMNNSA-N crotonic acid Chemical compound C\C=C\C(O)=O LDHQCZJRKDOVOX-NSCUHMNNSA-N 0.000 description 2
- SWXVUIWOUIDPGS-UHFFFAOYSA-N diacetone alcohol Chemical compound CC(=O)CC(C)(C)O SWXVUIWOUIDPGS-UHFFFAOYSA-N 0.000 description 2
- 229920000359 diblock copolymer Polymers 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- CCIVGXIOQKPBKL-UHFFFAOYSA-M ethanesulfonate Chemical compound CCS([O-])(=O)=O CCIVGXIOQKPBKL-UHFFFAOYSA-M 0.000 description 2
- 125000003754 ethoxycarbonyl group Chemical group C(=O)(OCC)* 0.000 description 2
- 125000002541 furyl group Chemical group 0.000 description 2
- 239000001056 green pigment Substances 0.000 description 2
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- 125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 description 1
- 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 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 125000003367 polycyclic group Chemical group 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000151 polyglycol Polymers 0.000 description 1
- 239000010695 polyglycol Substances 0.000 description 1
- 239000003505 polymerization initiator Substances 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 125000001501 propionyl group Chemical group O=C([*])C([H])([H])C([H])([H])[H] 0.000 description 1
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 description 1
- FYNROBRQIVCIQF-UHFFFAOYSA-N pyrrolo[3,2-b]pyrrole-5,6-dione Chemical compound C1=CN=C2C(=O)C(=O)N=C21 FYNROBRQIVCIQF-UHFFFAOYSA-N 0.000 description 1
- IZMJMCDDWKSTTK-UHFFFAOYSA-N quinoline yellow Chemical compound C1=CC=CC2=NC(C3C(C4=CC=CC=C4C3=O)=O)=CC=C21 IZMJMCDDWKSTTK-UHFFFAOYSA-N 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 125000005920 sec-butoxy group Chemical group 0.000 description 1
- 125000005930 sec-butyloxycarbonyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(OC(*)=O)C([H])([H])[H] 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 125000003808 silyl group Chemical group [H][Si]([H])([H])[*] 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 238000000956 solid--liquid extraction Methods 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- YODZTKMDCQEPHD-UHFFFAOYSA-N thiodiglycol Chemical compound OCCSCCO YODZTKMDCQEPHD-UHFFFAOYSA-N 0.000 description 1
- 229950006389 thiodiglycol Drugs 0.000 description 1
- JOUDBUYBGJYFFP-FOCLMDBBSA-N thioindigo Chemical compound S\1C2=CC=CC=C2C(=O)C/1=C1/C(=O)C2=CC=CC=C2S1 JOUDBUYBGJYFFP-FOCLMDBBSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000006276 transfer reaction Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- DBGVGMSCBYYSLD-UHFFFAOYSA-N tributylstannane Chemical compound CCCC[SnH](CCCC)CCCC DBGVGMSCBYYSLD-UHFFFAOYSA-N 0.000 description 1
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 1
- 239000004034 viscosity adjusting agent Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000004260 weight control Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F293/00—Macromolecular compounds obtained by polymerisation on to a macromolecule having groups capable of inducing the formation of new polymer chains bound exclusively at one or both ends of the starting macromolecule
- C08F293/005—Macromolecular compounds obtained by polymerisation on to a macromolecule having groups capable of inducing the formation of new polymer chains bound exclusively at one or both ends of the starting macromolecule using free radical "living" or "controlled" polymerisation, e.g. using a complexing agent
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F293/00—Macromolecular compounds obtained by polymerisation on to a macromolecule having groups capable of inducing the formation of new polymer chains bound exclusively at one or both ends of the starting macromolecule
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0023—Digital printing methods characterised by the inks used
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
- C09D11/033—Printing inks characterised by features other than the chemical nature of the binder characterised by the solvent
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
- C09D11/037—Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/106—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/106—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C09D11/107—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/30—Inkjet printing inks
- C09D11/32—Inkjet printing inks characterised by colouring agents
- C09D11/322—Pigment inks
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- C09D11/00—Inks
- C09D11/30—Inkjet printing inks
- C09D11/32—Inkjet printing inks characterised by colouring agents
- C09D11/324—Inkjet printing inks characterised by colouring agents containing carbon black
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D153/00—Coating compositions based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08F2438/00—Living radical polymerisation
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- Inks, Pencil-Leads, Or Crayons (AREA)
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Description
本発明のABA型ブロック共重合体は、2種以上のビニルモノマーを用いて重合された共重合体である。具体的には、後述する一般式(1)で表される構造単位及び酸性基を有するビニルモノマーに由来する構造単位を含有するAブロックと、芳香環基又は脂環族アルキル基を有するビニルモノマーに由来する構造単位を含有するBブロックとを有し、酸価が有形固形分換算で30〜250mgKOH/gである、ABA型ブロック共重合体である。該Aブロックは「Aセグメント」、及びBブロックは「Bセグメント」と言い換えることもできる。なお、以下、ABA型ブロック共重合体をブロック共重合体と称する場合があるものとする。
Aブロックは、下記一般式(1)で表される構造単位及び酸性基を有するビニルモノマーに由来する構造単位を含有する親水性のポリマーブロックである。Aブロックに含有される各構造単位は、Aブロック中においてランダム共重合、ブロック共重合等の何れの態様で含有されていてもよく、均一性の観点からランダム共重合の態様で含有されていることが好ましい。例えば、Aブロックが、a1ブロックからなる構造単位とa2ブロックとからなる構造単位との共重合体により形成されていてもよい。
Bブロックは、芳香環基又は脂環族アルキル基を有するビニルモノマーに由来する構造単位を含有する疎水性のポリマーブロックである。Bブロックにおいて2種以上の構造単位が含有される場合は、Bブロックに含有される各構造単位は、Bブロック中においてランダム共重合、ブロック共重合等の何れの態様で含有されていてもよく、均一性の観点からランダム共重合の態様で含有されていることが好ましい。例えば、Bブロックが、b1ブロックからなる構造単位とb2ブロックからなる構造単位との共重合体により形成されていてもよい。
本発明のABA型ブロック共重合体の製造方法としては、ビニルモノマーの重合反応によって、Aブロックを製造し、AブロックにBブロックのモノマーを重合してABブロックを製造し、ABブロックにさらにAブロックのモノマーを重合してABAブロックを製造してもよく;または、ABブロックを製造した後、ABブロックのBブロック同士をカップリングさせてABAブロックを製造してもよい。
(b)一般式(2)で表される有機テルル化合物とアゾ系重合開始剤との混合物。
(c)一般式(2)で表される有機テルル化合物と一般式(3)で表される有機ジテルル化合物との混合物。
(d)一般式(2)で表される有機テルル化合物とアゾ系重合開始剤と一般式(3)で表される有機ジテルル化合物との混合物。
本実施形態に係る顔料分散組成物は、上記ブロック共重合体及び/又は上記ブロック共重合体の中和物を含有する分散剤と顔料と水性媒体とを含有する。以下に、顔料分散組成物の各種構成成分等について、それぞれ説明する。
NMR(商品名:AVANCE500、ブルカー・バイオスピン株式会社製)を用いて、1H−NMRを測定し、モノマーのビニル基のピークとポリマーピークの面積比から重合率を算出した。
GPC(商品名:HLC−8320GPC、東ソー株式会社製)、カラム(商品名:TSKgel SuperMultipore HZ−H×2、東ソー株式会社製)、移動相:テトラヒドロフランを用い、標準物質としてポリスチレン(分子量2,890,000、1,090,000、775,000、427,000、190,000、96,400、37,900、10,200、2,630、440)を使用して検量線を作成し、重量平均分子量(Mw)、数平均分子量(Mn)を測定した。こられの測定値から分子量分布(PDI)を算出した。
酸価は、固形分1gあたりの酸性成分を中和するのに要する水酸化カリウムの重量を表したものである。測定サンプルをテトラヒドロフランに溶解した溶液にフェノールフタレイン溶液加え、0.1M水酸化カリウム/2−プロパノール溶液で中和滴定した。目視で赤色呈色したところを滴定終点として、次式により酸価(A)を算出した。
A:酸価(mgKOH/g)
Vs:滴定に要した0.1M水酸化カリウム/2−プロパノール溶液の使用量(mL)
f:0.1M水酸化カリウム/2−プロパノール溶液の力価
w:測定サンプル重量(g)(固形分換算)
調製した顔料分散組成物の粘度を、E型粘度計(商品名:TVE−22L、東機産業株式会社製)にて、0.8°×R24のコーンローターを使用し、25℃においてローター回転数60rpmで測定した。その後、顔料分散組成物を60℃で7日間保存し、上記と同様に粘度を測定した。
顔料分散組成物を1.2μm孔径のセルロースアセテート製、メンブレンフィルターでろ過後、インクカードリッジに充填した。インクジェットプリンター(商品名:FX−045A、セイコーエプソン株式会社製)に装着後、光沢紙(商品名:写真用紙・光沢スタンダード、キヤノン株式会社製)に印字し、分光測色計(商品名:SpectroEye、Gretag Macbeth社製)でOD値を測定した。
上記のOD値測定後の印字部にセロハンテープ(商品名:CT−18S、ニチバン株式会社製)を貼付後、剥離し、再度OD値を測定した。次式よりOD値保持率を算出した。高い値を示すほど、高い定着性を持つと判定した。
(実施例1)
アルゴンガス導入管、撹拌翼を備えたフラスコにメタクリル酸n−ブチル(以下「BMA」という)143.8g、メタクリル酸メチル(以下「MMA」という)76.2g、メタクリル酸(以下「MAA」という)59.0g、エチル−2−メチル−2−n−ブチルテラニル−プロピオネート(以下「BTEE」という)24.0g、ジブチルジテルリド(以下「DBDT」という)14.8g、2,2´−アゾビスイソブチロニトリル(以下「AIBN」という)2.6g、メチルエチルケトン 170.5g、アセトニトリル 170.5gを仕込み、60℃で18時間反応させた。重合率は99%、Mwは6,840、PDIは1.39であった。
アルゴンガス導入管、撹拌翼を備えたフラスコにBMA 138.8g、MMA 73.5g、MAA 59.6g、BTEE 23.3g、DBDT 14.3g、AIBN 2.6g、メチルエチルケトン 166.1g、アセトニトリル 166.1gを仕込み、60℃で18時間反応させた。重合率は99%、Mwは6,920、PDIは1.30であった。
アルゴンガス導入管、撹拌翼を備えたフラスコにBMA 60.7g、MMA 32.1g、MAA 26.1g、BTEE 6.8g、DBDT 4.2g、AIBN 1.6g、メチルエチルケトン 72.7g、アセトニトリル 72.7gを仕込み、60℃で18時間反応させた。重合率は99%、Mwは9,030、PDIは1.44であった。
アルゴンガス導入管、撹拌翼を備えたフラスコにBMA 65.6g、MMA 34.7g、MAA 35.6g、BTEE 9.8g、DBDT 5.7g、AIBN 1.0g、メチルエチルケトン 83.1g、アセトニトリル 83.1gを仕込み、60℃で20時間反応させた。重合率は99%、Mwは7,600、PDIは1.38であった。
アルゴンガス導入管、撹拌翼を備えたフラスコにBMA 55.1g、MMA 29.2g、MAA 17.7g、BTEE 4.8g、DBDT 3.0g、AIBN 0.5g、メチルエチルケトン 62.3g、アセトニトリル 62.3gを仕込み、60℃で20時間反応させた。重合率は98%、Mwは9,730、PDIは1.40であった。
アルゴンガス導入管、撹拌翼を備えたフラスコにBMA 68.5g、MMA 36.3g、MAA 14.2g、BTEE 6.8g、DBDT 4.2g、AIBN 0.7g、メチルエチルケトン 72.7g、アセトニトリル 72.7gを仕込み、60℃で21時間反応させた。重合率は100%、Mwは7,110、PDIは1.38であった。
アルゴンガス導入管、撹拌翼を備えたフラスコにBMA 4.16g、MMA 2.20g、MAA 1.79g、BTEE 0.70g、DBDT 0.43g、AIBN 0.08g、メチルエチルケトン 6.20g、アセトニトリル 6.28gを仕込み、60℃で13時間反応させた。重合率は96%、Mwは5,790、PDIは1.48であった。
アルゴンガス導入管、撹拌翼を備えたフラスコにBzMA 1165.0g、MAA 116.5g、BTEE 116.5g、DBDT 43.0g、AIBN 6.4g、メチルエチルケトン 1282.0gを仕込み、60℃で24時間反応させた。重合率は98%、Mwは7,090、PDIは1.49であった。
アルゴンガス導入管、撹拌翼を備えたフラスコに、MMA 700.0g、MAA 300.0g、BTEE 112.5g、DBDT 69.3g、AIBN 12.3g、メトキシプロパノール1000.0gを仕込み、60℃で24時間反応させた。重合率は100%、Mwは5,130、PDIは1.38であった。
(実施例8)
ブロック共重合体の酸性基の70%を中和する量の水酸化カリウムを水に溶解し、その後、実施例1で得られたブロック共重合体を添加して分散剤の20質量%水溶液を調製した。
共重合体を実施例2で得られた共重合体に変更した以外は、実施例8と同様に実施した。
共重合体を実施例3で得られた共重合体に変更した以外は、実施例8と同様に実施した。
共重合体を実施例4で得られた共重合体に変更した以外は、実施例8と同様に実施した。
共重合体を実施例5で得られた共重合体に変更した以外は、実施例8と同様に実施した。
共重合体を実施例6で得られた共重合体に変更した以外は、実施例8と同様に実施した。
共重合体を実施例7で得られた共重合体に変更した以外は、実施例8と同様に実施した。
顔料をC.I.Pigment Red 122(商品名:Ink Jet Magenta E02、クラリアント社製)に変更した以外は、実施例8と同様に実施した。
顔料をC.I.Pigment Yellow 74(商品名:HANSA Yellow 5GX01、クラリアント社製)に変更した以外は、実施例8と同様に実施した。
顔料をC.I.Pigment Black 7(商品名:カーボンブラックMA−100、三菱化学社製)に変更した以外は、実施例8と同様に実施した。
共重合体を比較例1で得られた共重合体に変更した以外は、実施例8と同様に実施した。
共重合体を比較例2で得られた共重合体に変更した以外は、実施例8と同様に実施した。
Claims (9)
- 前記酸性基を有するビニルモノマーに由来する構造単位が、前記Aブロック100質量%中において17質量%以上である、請求項1に記載のABA型ブロック共重合体。
- 前記酸性基が、カルボキシル基、スルホン酸基及びリン酸基から選ばれる少なくとも1種である、請求項1又は2に記載のABA型ブロック共重合体。
- 前記Bブロックの含有量が、前記ABA型ブロック共重合体全体100質量%中において20〜80質量%である、請求項1〜3のいずれか一項に記載のABA型ブロック共重合体。
- 前記ABA型ブロック共重合体の分子量分布(PDI)が2.0未満である、請求項1〜4のいずれか一項に記載のABA型ブロック共重合体。
- 前記ABA型ブロック共重合体がリビングラジカル重合により重合されてなる、請求項1〜5のいずれか一項に記載のABA型ブロック共重合体。
- 請求項1〜6のいずれか一項に記載のABA型ブロック共重合体及び/又は請求項1〜6のいずれか一項に記載のABA型ブロック共重合体の中和物を含有する、分散剤。
- 請求項7に記載の分散剤と、顔料と、水性分散媒体とを含有する、顔料分散組成物。
- インクジェット用インクである、請求項8に記載の顔料分散組成物。
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