JP6794775B2 - Ink composition and coating - Google Patents
Ink composition and coating Download PDFInfo
- Publication number
- JP6794775B2 JP6794775B2 JP2016210100A JP2016210100A JP6794775B2 JP 6794775 B2 JP6794775 B2 JP 6794775B2 JP 2016210100 A JP2016210100 A JP 2016210100A JP 2016210100 A JP2016210100 A JP 2016210100A JP 6794775 B2 JP6794775 B2 JP 6794775B2
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- JP
- Japan
- Prior art keywords
- group
- meth
- substituted
- ink composition
- unsubstituted
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000203 mixture Substances 0.000 title claims description 65
- 238000000576 coating method Methods 0.000 title claims description 27
- 239000011248 coating agent Substances 0.000 title claims description 26
- -1 acryloyloxy group Chemical group 0.000 claims description 55
- 239000000178 monomer Substances 0.000 claims description 38
- 229920006243 acrylic copolymer Polymers 0.000 claims description 28
- 125000003118 aryl group Chemical group 0.000 claims description 21
- 238000006116 polymerization reaction Methods 0.000 claims description 21
- 229920005672 polyolefin resin Polymers 0.000 claims description 19
- 239000000758 substrate Substances 0.000 claims description 18
- 125000001424 substituent group Chemical group 0.000 claims description 16
- 125000000217 alkyl group Chemical group 0.000 claims description 15
- 229910052736 halogen Inorganic materials 0.000 claims description 11
- 150000002367 halogens Chemical class 0.000 claims description 11
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 11
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 10
- 125000004432 carbon atom Chemical group C* 0.000 claims description 10
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 10
- 125000003545 alkoxy group Chemical group 0.000 claims description 9
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 125000003700 epoxy group Chemical group 0.000 claims description 9
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 8
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 6
- 150000001733 carboxylic acid esters Chemical class 0.000 claims description 6
- 125000001072 heteroaryl group Chemical group 0.000 claims description 6
- 229920000647 polyepoxide Polymers 0.000 claims description 6
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 6
- 125000000467 secondary amino group Chemical group [H]N([*:1])[*:2] 0.000 claims description 6
- 125000001302 tertiary amino group Chemical group 0.000 claims description 6
- 150000001735 carboxylic acids Chemical class 0.000 claims description 5
- 125000002723 alicyclic group Chemical group 0.000 claims description 4
- 150000001336 alkenes Chemical class 0.000 claims description 4
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 claims 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 claims description 3
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 3
- 125000006297 carbonyl amino group Chemical group [H]N([*:2])C([*:1])=O 0.000 claims description 3
- 125000001261 isocyanato group Chemical group *N=C=O 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 3
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims description 3
- 125000001181 organosilyl group Chemical group [SiH3]* 0.000 claims description 3
- 150000003460 sulfonic acids Chemical class 0.000 claims description 3
- 239000000976 ink Substances 0.000 description 69
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 65
- 238000000034 method Methods 0.000 description 28
- 229920000642 polymer Polymers 0.000 description 27
- 230000015572 biosynthetic process Effects 0.000 description 17
- 239000000049 pigment Substances 0.000 description 17
- 238000003786 synthesis reaction Methods 0.000 description 17
- 239000012986 chain transfer agent Substances 0.000 description 16
- 229920005989 resin Polymers 0.000 description 15
- 239000011347 resin Substances 0.000 description 15
- 229920002554 vinyl polymer Polymers 0.000 description 14
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 13
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 12
- 125000000524 functional group Chemical group 0.000 description 12
- 239000002585 base Substances 0.000 description 10
- 239000003086 colorant Substances 0.000 description 10
- 229920001577 copolymer Polymers 0.000 description 10
- 239000003960 organic solvent Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 9
- 238000007639 printing Methods 0.000 description 9
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 8
- 239000002270 dispersing agent Substances 0.000 description 8
- 239000006185 dispersion Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 150000001721 carbon Chemical group 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 7
- 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 6
- SOGAXMICEFXMKE-UHFFFAOYSA-N Butylmethacrylate Chemical compound CCCCOC(=O)C(C)=C SOGAXMICEFXMKE-UHFFFAOYSA-N 0.000 description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 6
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 229920000058 polyacrylate Polymers 0.000 description 6
- 239000007870 radical polymerization initiator Substances 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- PSGCQDPCAWOCSH-UHFFFAOYSA-N (4,7,7-trimethyl-3-bicyclo[2.2.1]heptanyl) prop-2-enoate Chemical compound C1CC2(C)C(OC(=O)C=C)CC1C2(C)C PSGCQDPCAWOCSH-UHFFFAOYSA-N 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 5
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 5
- 125000005397 methacrylic acid ester group Chemical group 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 5
- 239000003505 polymerization initiator Substances 0.000 description 5
- 239000004926 polymethyl methacrylate Substances 0.000 description 5
- 229920000098 polyolefin Polymers 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 239000004698 Polyethylene Substances 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 125000005073 adamantyl group Chemical group C12(CC3CC(CC(C1)C3)C2)* 0.000 description 4
- 239000002390 adhesive tape Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 125000003277 amino group Chemical group 0.000 description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical group [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 4
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical group C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 4
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 4
- 238000005227 gel permeation chromatography Methods 0.000 description 4
- 239000001023 inorganic pigment Substances 0.000 description 4
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 4
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 4
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- DPGYCJUCJYUHTM-UHFFFAOYSA-N 2,4,4-trimethylpentan-2-yloxy 2-ethylhexaneperoxoate Chemical compound CCCCC(CC)C(=O)OOOC(C)(C)CC(C)(C)C DPGYCJUCJYUHTM-UHFFFAOYSA-N 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 239000005977 Ethylene Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 3
- 125000003368 amide group Chemical group 0.000 description 3
- DKPFZGUDAPQIHT-UHFFFAOYSA-N butyl acetate Chemical compound CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 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 3
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- LUCXVPAZUDVVBT-UHFFFAOYSA-N methyl-[3-(2-methylphenoxy)-3-phenylpropyl]azanium;chloride Chemical compound Cl.C=1C=CC=CC=1C(CCNC)OC1=CC=CC=C1C LUCXVPAZUDVVBT-UHFFFAOYSA-N 0.000 description 3
- 239000010445 mica Substances 0.000 description 3
- 229910052618 mica group Inorganic materials 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 3
- 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 3
- 150000001451 organic peroxides Chemical class 0.000 description 3
- 239000012860 organic pigment Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000003381 stabilizer Substances 0.000 description 3
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- LAIJAUHBAWLPCO-UHFFFAOYSA-N (4-tert-butylcyclohexyl) prop-2-enoate Chemical compound CC(C)(C)C1CCC(OC(=O)C=C)CC1 LAIJAUHBAWLPCO-UHFFFAOYSA-N 0.000 description 2
- HLIQLHSBZXDKLV-UHFFFAOYSA-N 2-(2-hydroxyethoxy)-1-phenoxyethanol Chemical compound OCCOCC(O)OC1=CC=CC=C1 HLIQLHSBZXDKLV-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
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 2
- JWAZRIHNYRIHIV-UHFFFAOYSA-N 2-naphthol Chemical compound C1=CC=CC2=CC(O)=CC=C21 JWAZRIHNYRIHIV-UHFFFAOYSA-N 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 2
- 239000004342 Benzoyl peroxide Substances 0.000 description 2
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical class S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 235000000177 Indigofera tinctoria Nutrition 0.000 description 2
- YIVJZNGAASQVEM-UHFFFAOYSA-N Lauroyl peroxide Chemical compound CCCCCCCCCCCC(=O)OOC(=O)CCCCCCCCCCC YIVJZNGAASQVEM-UHFFFAOYSA-N 0.000 description 2
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- 229920002845 Poly(methacrylic acid) Polymers 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 125000005396 acrylic acid ester group Chemical group 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 150000001447 alkali salts Chemical class 0.000 description 2
- 125000004453 alkoxycarbonyl group Chemical group 0.000 description 2
- 125000000751 azo group Chemical group [*]N=N[*] 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 235000019400 benzoyl peroxide Nutrition 0.000 description 2
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 2
- LLEMOWNGBBNAJR-UHFFFAOYSA-N biphenyl-2-ol Chemical compound OC1=CC=CC=C1C1=CC=CC=C1 LLEMOWNGBBNAJR-UHFFFAOYSA-N 0.000 description 2
- 230000005587 bubbling Effects 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- QAHREYKOYSIQPH-UHFFFAOYSA-L cobalt(II) acetate Chemical compound [Co+2].CC([O-])=O.CC([O-])=O QAHREYKOYSIQPH-UHFFFAOYSA-L 0.000 description 2
- 238000004040 coloring Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 125000001995 cyclobutyl group Chemical group [H]C1([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 2
- KBLWLMPSVYBVDK-UHFFFAOYSA-N cyclohexyl prop-2-enoate Chemical compound C=CC(=O)OC1CCCCC1 KBLWLMPSVYBVDK-UHFFFAOYSA-N 0.000 description 2
- 125000001559 cyclopropyl group Chemical group [H]C1([H])C([H])([H])C1([H])* 0.000 description 2
- 238000012674 dispersion polymerization Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000000975 dye Substances 0.000 description 2
- 125000005448 ethoxyethyl group Chemical group [H]C([H])([H])C([H])([H])OC([H])([H])C([H])([H])* 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 2
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 description 2
- 238000007646 gravure printing Methods 0.000 description 2
- 125000005843 halogen group Chemical group 0.000 description 2
- 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 2
- 150000002430 hydrocarbons Chemical group 0.000 description 2
- 229940097275 indigo Drugs 0.000 description 2
- COHYTHOBJLSHDF-UHFFFAOYSA-N indigo powder Natural products N1C2=CC=CC=C2C(=O)C1=C1C(=O)C2=CC=CC=C2N1 COHYTHOBJLSHDF-UHFFFAOYSA-N 0.000 description 2
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- UAEPNZWRGJTJPN-UHFFFAOYSA-N methylcyclohexane Chemical compound CC1CCCCC1 UAEPNZWRGJTJPN-UHFFFAOYSA-N 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 229920006284 nylon film Polymers 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 2
- 125000000286 phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 description 2
- 230000000379 polymerizing effect Effects 0.000 description 2
- 229920001451 polypropylene glycol Polymers 0.000 description 2
- HJWLCRVIBGQPNF-UHFFFAOYSA-N prop-2-enylbenzene Chemical compound C=CCC1=CC=CC=C1 HJWLCRVIBGQPNF-UHFFFAOYSA-N 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- YKYONYBAUNKHLG-UHFFFAOYSA-N propyl acetate Chemical compound CCCOC(C)=O YKYONYBAUNKHLG-UHFFFAOYSA-N 0.000 description 2
- BBEAQIROQSPTKN-UHFFFAOYSA-N pyrene Chemical compound C1=CC=C2C=CC3=CC=CC4=CC=C1C2=C43 BBEAQIROQSPTKN-UHFFFAOYSA-N 0.000 description 2
- 238000010526 radical polymerization reaction Methods 0.000 description 2
- 239000011342 resin composition Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- CWERGRDVMFNCDR-UHFFFAOYSA-N thioglycolic acid Chemical compound OC(=O)CS CWERGRDVMFNCDR-UHFFFAOYSA-N 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- XPEMPJFPRCHICU-UHFFFAOYSA-N (1-tert-butylcyclohexyl) prop-2-enoate Chemical compound C=CC(=O)OC1(C(C)(C)C)CCCCC1 XPEMPJFPRCHICU-UHFFFAOYSA-N 0.000 description 1
- HHQAGBQXOWLTLL-UHFFFAOYSA-N (2-hydroxy-3-phenoxypropyl) prop-2-enoate Chemical compound C=CC(=O)OCC(O)COC1=CC=CC=C1 HHQAGBQXOWLTLL-UHFFFAOYSA-N 0.000 description 1
- ZICNIEOYWVIEQJ-UHFFFAOYSA-N (2-methylbenzoyl) 2-methylbenzenecarboperoxoate Chemical compound CC1=CC=CC=C1C(=O)OOC(=O)C1=CC=CC=C1C ZICNIEOYWVIEQJ-UHFFFAOYSA-N 0.000 description 1
- FVQMJJQUGGVLEP-UHFFFAOYSA-N (2-methylpropan-2-yl)oxy 2-ethylhexaneperoxoate Chemical compound CCCCC(CC)C(=O)OOOC(C)(C)C FVQMJJQUGGVLEP-UHFFFAOYSA-N 0.000 description 1
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- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920005990 polystyrene resin Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- LLLCSBYSPJHDJX-UHFFFAOYSA-M potassium;2-methylprop-2-enoate Chemical compound [K+].CC(=C)C([O-])=O LLLCSBYSPJHDJX-UHFFFAOYSA-M 0.000 description 1
- FZYCEURIEDTWNS-UHFFFAOYSA-N prop-1-en-2-ylbenzene Chemical compound CC(=C)C1=CC=CC=C1.CC(=C)C1=CC=CC=C1 FZYCEURIEDTWNS-UHFFFAOYSA-N 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
- 125000001453 quaternary ammonium group Chemical group 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
- 230000005855 radiation Effects 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 229920005604 random copolymer Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 125000004469 siloxy group Chemical group [SiH3]O* 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 125000004962 sulfoxyl group Chemical group 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000010558 suspension polymerization method Methods 0.000 description 1
- 238000010557 suspension polymerization reaction Methods 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 150000003505 terpenes Chemical class 0.000 description 1
- OPQYOFWUFGEMRZ-UHFFFAOYSA-N tert-butyl 2,2-dimethylpropaneperoxoate Chemical compound CC(C)(C)OOC(=O)C(C)(C)C OPQYOFWUFGEMRZ-UHFFFAOYSA-N 0.000 description 1
- ISXSCDLOGDJUNJ-UHFFFAOYSA-N tert-butyl prop-2-enoate Chemical compound CC(C)(C)OC(=O)C=C ISXSCDLOGDJUNJ-UHFFFAOYSA-N 0.000 description 1
- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical compound CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 description 1
- 150000004685 tetrahydrates Chemical class 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 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
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 125000002889 tridecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000002948 undecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
- 239000012463 white pigment Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- 229910052984 zinc sulfide Inorganic materials 0.000 description 1
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
- DGVVWUTYPXICAM-UHFFFAOYSA-N β‐Mercaptoethanol Chemical compound OCCS DGVVWUTYPXICAM-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Graft Or Block Polymers (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Macromonomer-Based Addition Polymer (AREA)
- Laminated Bodies (AREA)
Description
本発明は、インキ組成物及び塗膜に関する。 The present invention relates to ink compositions and coatings.
オレフィン系単量体の重合体であるポリオレフィン系樹脂は、機械的性質や耐薬品性に優れる上に、低コストで成形加工が容易であることから、多種の用途に幅広く利用されている。さらに、ポリオレフィン系樹脂は、リサイクル性にも優れることから、近年の地球環境問題を背景としてその用途はさらに拡大しつつある。 Polyolefin-based resins, which are polymers of olefin-based monomers, are widely used in various applications because they are excellent in mechanical properties and chemical resistance, and are easy to mold at low cost. Furthermore, since polyolefin resins are also excellent in recyclability, their uses are expanding further against the background of recent global environmental problems.
ポリオレフィン系樹脂は非極性であることから、ポリオレフィン系樹脂成形物はその表面の付着性の低さが課題となっている。ポリオレフィン系基材表面に印刷を行う場合には、ポリオレフィン系樹脂に対して強い付着力を有する塩素化ポリオレフィンを印刷インキの添加剤として用い、ポリオレフィン系基材表面に付着させる方法が知られている。例えば、特許文献1には、ポリオレフィン系樹脂へ密着性良好な塗料として、塩素化ポリオレフィンとアクリル系共重合体との重量比が10:90〜90:10である樹脂組成物が開示されている。 Since the polyolefin-based resin is non-polar, the low adhesiveness of the surface of the polyolefin-based resin molded product is a problem. When printing on the surface of a polyolefin-based substrate, a method is known in which chlorinated polyolefin, which has a strong adhesive force to a polyolefin-based resin, is used as an additive for printing ink and adheres to the surface of the polyolefin-based substrate. .. For example, Patent Document 1 discloses a resin composition having a weight ratio of a chlorinated polyolefin and an acrylic copolymer of 10:90 to 90:10 as a coating material having good adhesion to a polyolefin-based resin. ..
しかしながら、含塩素化合物は、昨今の環境問題への関心の高まりから、その使用が回避される傾向にある。そのため、近年では、塩素を含まない化合物で構成された印刷インキに対する要求が急速に高まっている。そこで、特許文献2では、塩素を含まない化合物として、マクロモノマーと他のラジカル重合性単量体とを共重合して得られるアクリル樹脂を用いて、塗料用プライマーをポリオレフィン系樹脂からなる基材に密着させる方法が提案されている。 However, the use of chlorine-containing compounds tends to be avoided due to the recent growing interest in environmental problems. Therefore, in recent years, the demand for printing inks composed of chlorine-free compounds has been rapidly increasing. Therefore, in Patent Document 2, an acrylic resin obtained by copolymerizing a macromonomer and another radically polymerizable monomer is used as a chlorine-free compound, and a paint primer is used as a base material made of a polyolefin resin. A method of adhering to is proposed.
本発明は、ポリオレフィン系樹脂からなる基材に対してより高い付着性を示すインキ組成物を提供することを目的とする。 The present invention aims at providing an ink composition showing high adhesion than to the substrate made of Po Li olefin resin.
上記課題解決のため、本発明は、以下の[1]〜[10]を提供する。
[1] マクロモノマー(a)由来の構成単位を含む単量体混合物(M)の重合物である共重合体であり、前記マクロモノマー(a)の数平均分子量(Mn)が6000以下である(メタ)アクリル系共重合体(A)を含む、インキ組成物。
[2] 塗膜残存面積率が75%以上である、[1]のインキ組成物。
[3] 前記マクロモノマー(a)は、ラジカル重合性基を有し、かつ下記式(a’)で示される構成単位を2以上有する、[1]又は[2]のインキ組成物。
Qは、OR、O2CR、ハロゲン、CO2H、COR、CO2R、CN、CONH2、CONHR、CONR2およびR’からなる群から選ばれ、
Rは、水素原子、置換および非置換アルキル、置換および非置換アリール、置換および非置換へテロアリール、置換および非置換アラルキル、置換および非置換アルカリール、および置換および非置換オルガノシリルからなる群から選ばれ、置換基は同じであるかまたは異なり、かつカルボン酸、カルボン酸エステル、エポキシ、ヒドロキシル、アルコキシ、1級アミノ、2級アミノ、3級アミノ、イソシアナト、スルホン酸およびハロゲンからなる群から選ばれ、
R’は、置換および非置換アリール、置換および非置換ヘテロアリールからなる芳香族群から選ばれ、置換基は同じであるかまたは異なり、かつカルボン酸、カルボン酸エステル、エポキシ、ヒドロキシル、アルコキシ、1級アミノ、2級アミノ、3級アミノ、イソシアナト、スルホン酸、置換および非置換アルキル、置換および非置換アリール、置換および非置換オレフィン、およびハロゲンからなる群から選ばれる。)
[4] 前記マクロモノマー(a)が、下記式(2)で表される、[1]〜[3]のいずれかのインキ組成物。
Zは、末端基である。
「・・・」は、2以上の前記式(a’)で示される構成単位を含む主鎖部分を示す。)
[5] 前記単量体混合物(M)のアクリロイルオキシ基またはメタクリロイルオキシ基が、2級炭素原子または3級炭素原子に結合した(メタ)アクリル酸エステル単量体単位を含む、[1]〜[4]のいずれかのインキ組成物。
[6] 前記(メタ)アクリル酸エステル単量体単位が、脂環式構造を有する、[1]〜[5]のいずれかのインキ組成物。
[7] 前記脂環式構造が、シクロヘキシル基、t−ブチルシクロヘキシル基、3,3,5−トリメチルシクロヘキシル基、イソボルニル基、ジシクロペンタニル基、及びジシクロペンテニル基からなる群から選ばれる少なくとも1種である、[1]〜[6]のいずれかのインキ組成物。
[8] 前記(メタ)アクリル系共重合体(A)の重量平均分子量(Mw)が、1000〜300000である、[1]〜[7]のいずれかのインキ組成物。
[9] 前記単量体混合物(M)中に前記マクロモノマー(a)が5〜95質量%含まれる、[1]〜[8]のいずれかのインキ組成物。
[10] [1]〜[9]のいずれかのインキ組成物をポリオレフィン系樹脂からなる基材に積層した塗膜。
In order to solve the above problems, the present invention provides the following [1] to [10].
[1] A copolymer which is a polymer of a monomer mixture (M) containing a structural unit derived from the macromonomer (a), and the number average molecular weight (Mn) of the macromonomer (a) is 6000 or less. An ink composition containing the (meth) acrylic copolymer (A).
[2] The ink composition of [1], which has a coating film residual area ratio of 75% or more.
[3] The ink composition of [1] or [2], wherein the macromonomer (a) has a radically polymerizable group and has two or more structural units represented by the following formula (a').
Q is selected from the group consisting of OR, O 2 CR, halogen, CO 2 H, COR, CO 2 R, CN, CONH 2 , CONHR, CONR 2 and R',
R is selected from the group consisting of hydrogen atoms, substituted and unsubstituted alkyls, substituted and unsubstituted aryls, substituted and unsubstituted heteroaryls, substituted and unsubstituted aralkyls, substituted and unsubstituted alkalils, and substituted and unsubstituted organosilyls. The substituents are the same or different and are selected from the group consisting of carboxylic acids, carboxylic acid esters, epoxys, hydroxyls, alkoxys, primary aminos, secondary aminos, tertiary aminos, isocyanatos, sulfonic acids and halogens. ,
R'is selected from the aromatic group consisting of substituted and unsubstituted aryls, substituted and unsubstituted heteroaryls, the substituents are the same or different, and carboxylic acids, carboxylic acid esters, epoxys, hydroxyls, alkoxys, and primary. It is selected from the group consisting of amino, secondary amino, tertiary amino, isocyanato, sulfonic acid, substituted and unsubstituted alkyl, substituted and unsubstituted aryl, substituted and unsubstituted olefin, and halogen. )
[4] The ink composition according to any one of [1] to [3], wherein the macromonomer (a) is represented by the following formula (2).
Z is a terminal group.
"..." indicates a main chain portion containing two or more structural units represented by the above formula (a'). )
[5] The acryloyloxy group or methylenedioxy group of the monomer mixture (M) contains a (meth) acrylic acid ester monomer unit bonded to a secondary carbon atom or a tertiary carbon atom [1] to The ink composition according to any one of [4].
[6] The ink composition according to any one of [1] to [5], wherein the (meth) acrylic acid ester monomer unit has an alicyclic structure.
[7] The alicyclic structure is at least selected from the group consisting of a cyclohexyl group, a t-butylcyclohexyl group, a 3,3,5-trimethylcyclohexyl group, an isobornyl group, a dicyclopentanyl group, and a dicyclopentenyl group. The ink composition according to any one of [1] to [6], which is one kind.
[8] The ink composition according to any one of [1] to [7], wherein the weight average molecular weight (Mw) of the (meth) acrylic copolymer (A) is 1000 to 300,000.
[9] The ink composition according to any one of [1] to [8], wherein the macromonomer (a) is contained in the monomer mixture (M) in an amount of 5 to 95% by mass.
[10] A coating film obtained by laminating the ink composition according to any one of [1] to [9] on a substrate made of a polyolefin resin.
本発明において、「塗膜残存面積率」とは、基材上に形成したインキ組成物の塗膜に粘着テープを貼り付けて剥した後に、基材表面に残存する塗膜の面積率(%)として定義される。「塗膜残存面積率」が高いほど、塗膜の密着性が良く、付着強度が高いといえる。
具体的には、「塗膜残存面積率」は、基材表面にインキ組成物を塗布し、常温で24時間乾燥後に得られた塗膜(厚み5μm)に、粘着テープを貼り付け、素早く剥した後に、基材表面に残存する塗膜の面積率(%)である。
「塗膜残存面積率」は、粘着テープの貼り付け面積をS1,基材表面に残存した塗膜の面積をS2として、「(S2/S1)×100」で算出される。
粘着テープには、「セロハンテープ(登録商標)No.405」(24mm幅)を用い、塗膜面積は、デジタルマイクロスコープ「KH−1300」(ハイロックス(株)製)にて取得した画像データを、画像処理ソフト「Image−Pro 6.2J」(Media Cybernetics製)で二値化して白黒のビットマップ画像に変換して算出する。
In the present invention, the "coating film residual area ratio" is the area ratio (%) of the coating film remaining on the substrate surface after the adhesive tape is attached to and peeled off from the coating film of the ink composition formed on the substrate. ). It can be said that the higher the "residual coating area ratio", the better the adhesion of the coating film and the higher the adhesion strength.
Specifically, the "coating residual area ratio" is determined by applying an ink composition to the surface of a base material and drying it at room temperature for 24 hours, then attaching an adhesive tape to the obtained coating film (thickness 5 μm) and quickly peeling it off. This is the area ratio (%) of the coating film remaining on the surface of the base material.
The "coating film remaining area ratio" is calculated by "(S2 / S1) x 100", where the adhesive tape sticking area is S1 and the coating film remaining area on the substrate surface is S2.
"Cellophane tape (registered trademark) No. 405" (24 mm width) was used as the adhesive tape, and the coating area was image data acquired with a digital microscope "KH-1300" (manufactured by Hirox Co., Ltd.). Is binarized with the image processing software "Image-Pro 6.2J" (manufactured by Media Cybernetics) and converted into a black-and-white bitmap image for calculation.
本発明により、ポリオレフィン系樹脂からなる基材に対してより高い付着性を示すインキ組成物が提供される。本発明のインキ組成物は、ポリオレフィン系樹脂からなる基材に対する密着性が良好である。 The present invention, an ink composition showing high adhesion than to the substrate made of Po Li olefin resin is provided. The ink composition of the present invention, Ru adhesion good der to the substrate made of a polyolefin resin.
以下、本発明を実施するための好適な形態について説明する。なお、以下に説明する実施形態は、本発明の代表的な実施形態の一例を示したものであり、これにより本発明の範囲が狭く解釈されることはない。
本発明において、(メタ)アクリル酸エステルは、アクリル酸エステルまたはメタクリル酸エステルを意味する。
本発明において、(メタ)アクリル系共重合体は、アクリル酸エステル系共重合体またはメタクリル酸エステル系共重合体を意味する。
Hereinafter, suitable embodiments for carrying out the present invention will be described. It should be noted that the embodiments described below show an example of typical embodiments of the present invention, and the scope of the present invention is not narrowly interpreted by this.
In the present invention, the (meth) acrylic acid ester means an acrylic acid ester or a methacrylic acid ester.
In the present invention, the (meth) acrylic copolymer means an acrylic acid ester-based copolymer or a methacrylic acid ester-based copolymer.
[(メタ)アクリル系共重合体(A)]
本発明のインキ組成物に含まれる(メタ)アクリル系共重合体(A)は、マクロモノマー(a)由来の構成単位を有する単量体混合物(M)の重合物である。
[(Meta) acrylic copolymer (A)]
The (meth) acrylic copolymer (A) contained in the ink composition of the present invention is a polymer of a monomer mixture (M) having a structural unit derived from the macromonomer (a).
本発明において、マクロモノマー(a)とは、ラジカル重合性基、またはヒドロキシル基、イソシアネート基、エポキシ基、カルボキシル基、アミノ基、アミド基、チオール基等の官能基を有するものが挙げられる。
上述の中で、特にビニル単量体(b)と共重合可能なラジカル重合性基を有するものが好ましい。
ラジカル重合性基は二つ以上含有していてもよいが、一つであるものが特に好ましい。
マクロモノマー(a)が官能基を有する場合も官能基は二つ以上含有していてもよいが、一つであるものが特に好ましい。
また、ラジカル重合性基と官能基はどちらか一方でも、両方含有していてもよい。ラジカル重合性基と官能基を両方含有する場合、ビニル単量体(b)からなる重合物ユニットが付加する官能基、または、ビニル単量体(b)と共重合するラジカル重合性基、の何れか以外の官能基は、二つ以上であってもよい。また、ラジカル重合性基と官能基を両方含有する場合、ラジカル重合性基は、二つ以上であってもよい。
In the present invention, the macromonomer (a) includes a radically polymerizable group or one having a functional group such as a hydroxyl group, an isocyanate group, an epoxy group, a carboxyl group, an amino group, an amide group and a thiol group.
Among the above, those having a radically polymerizable group copolymerizable with the vinyl monomer (b) are particularly preferable.
Two or more radically polymerizable groups may be contained, but one is particularly preferable.
When the macromonomer (a) has a functional group, it may contain two or more functional groups, but one having one is particularly preferable.
Further, the radically polymerizable group and the functional group may be contained in either one or both. When both a radically polymerizable group and a functional group are contained, the functional group added by the polymer unit composed of the vinyl monomer (b) or the radical polymerizable group copolymerizing with the vinyl monomer (b). The functional group other than any of them may be two or more. When both radically polymerizable groups and functional groups are contained, the number of radically polymerizable groups may be two or more.
マクロモノマー(a)がラジカル重合性基を有する場合、マクロモノマー(a)は下記式(a’)で示される構成単位(以下、構成単位(a’)ともいう)を2以上有する化合物とできる。2以上の構成単位(a’)が有するPはそれぞれ同じでも異なってもよい。2以上の構成単位(a’)が有するQはそれぞれ同じでもよく異なってもよい。マクロモノマー(a)は、構成単位(a’)以外の他の構成単位をさらに有していてもよい。 When the macromonomer (a) has a radically polymerizable group, the macromonomer (a) can be a compound having two or more structural units (hereinafter, also referred to as structural units (a')) represented by the following formula (a'). .. The Ps of the two or more structural units (a') may be the same or different. The Qs of the two or more structural units (a') may be the same or different. The macromonomer (a) may further have a structural unit other than the structural unit (a').
式(a’)中、Pは、水素原子、またはメチル基を示す。
Qは、OR、O2CR、ハロゲン、CO2H、COR、CO2R、CN、CONH2、CONHR、CONR2、およびR’からなる群から選ばれる。
Rは、水素原子、置換および非置換アルキル、置換および非置換アリール、置換および非置換へテロアリール、置換および非置換アラルキル、置換および非置換アルカリール、および置換および非置換オルガノシリルからなる群から選ばれる。置換基は、同じであるかまたは異なり、かつカルボン酸、カルボン酸エステル、エポキシ、ヒドロキシル、アルコキシ、1級アミノ、2級アミノ、3級アミノ、イソシアナト、スルホン酸およびハロゲンからなる群から選ばれる。
R’は、置換および非置換アリール、置換および非置換ヘテロアリールからなる芳香族群から選ばれる。置換基は、同じであるかまたは異なり、かつカルボン酸、カルボン酸エステル、エポキシ、ヒドロキシル、アルコキシ、1級アミノ、2級アミノ、3級アミノ、イソシアナト、スルホン酸、置換および非置換アルキル、置換および非置換アリール、置換および非置換オレフィン、およびハロゲンからなる群から選ばれる。
In formula (a'), P represents a hydrogen atom or a methyl group.
Q is selected from the group consisting of OR, O 2 CR, halogen, CO 2 H, COR, CO 2 R, CN, CONH 2 , CONHR, CONR 2 , and R'.
R is selected from the group consisting of hydrogen atom, substituted and unsubstituted alkyl, substituted and unsubstituted aryl, substituted and unsubstituted heteroaryl, substituted and unsubstituted aralkyl, substituted and unsubstituted alkaline, and substituted and unsubstituted organosilyl. Is done. Substituents are the same or different and are selected from the group consisting of carboxylic acids, carboxylic acid esters, epoxys, hydroxyls, alkoxys, primary aminos, secondary aminos, tertiary aminos, isocyanatos, sulfonic acids and halogens.
R'is selected from the aromatic group consisting of substituted and unsubstituted aryls and substituted and unsubstituted heteroaryls. Substituents are the same or different and are carboxylic acid, carboxylic acid ester, epoxy, hydroxyl, alkoxy, primary amino, secondary amino, tertiary amino, isocyanato, sulfonic acid, substituted and unsubstituted alkyl, substituted and It is selected from the group consisting of unsubstituted aryls, substituted and unsubstituted olefins, and halogens.
マクロモノマー(a)の構成単位(a’)または他の構成単位を形成する単量体には種々のものが用いられ得る。例えば、(メタ)アクリル酸メチル、(メタ)アクリル酸エチル、(メタ)アクリル酸n−プロピル、(メタ)アクリル酸イソプロピル、(メタ)アクリル酸n−ブチル、(メタ)アクリル酸イソブチル、(メタ)アクリル酸t−ブチル、(メタ)アクリル酸イソアミル、(メタ)アクリル酸ヘキシル、(メタ)アクリル酸オクチル、(メタ)アクリル酸ラウリル、(メタ)アクリル酸ドデシル、(メタ)アクリル酸ステアリル、(メタ)アクリル酸シクロヘキシル、(メタ)アクリル酸t−ブチルシクロヘキシル、(メタ)アクリル酸3,3,5−トリメチルシクロヘキシル、(メタ)アクリル酸シクロデカニル、(メタ)アクリル酸ノルボルニル、(メタ)アクリル酸イソボルニル、(メタ)アクリル酸ジシクロペンタニル、(メタ)アクリル酸ジシクロペンテニル、(メタ)アクリル酸アダマンチル、(メタ)アクリル酸フェニル、(メタ)アクリル酸ベンジル、(メタ)アクリル酸フェニルエチル、(メタ)アクリル酸フェニルプロピル、(メタ)アクリル酸フェノキシエチル、(メタ)アクリル酸フェノキシジエチレングリコール、(メタ)アクリル酸o−ビフェニル、(メタ)アクリル酸p−ビフェニル、(メタ)アクリル酸エチレンオキサイド変性ノニルフェノール、(メタ)アクリル酸ヒドロキシエチル化β−ナフトール、(メタ)アクリル酸エトキシ化o−フェニルフェノール、(メタ)アクリル酸2−ヒドロキシ3−フェノキシプロピル、(メタ)アクリル酸グリシジル、(メタ)アクリル酸2−エチルヘキシル、(メタ)アクリル酸2−ヒドロキシエチル、(メタ)アクリル酸2−ヒドロキシプロピル、(メタ)アクリル酸2−ヒドロキシブチル、(メタ)アクリル酸3−ヒドロキシブチル、(メタ)アクリル酸4−ヒドロキシブチル、(メタ)アクリル酸ポリエチレングリコール、(メタ)アクリル酸ポリプロピレングリコール、(メタ)アクリル酸メトキシエチル、(メタ)アクリル酸エトキシエチル、(メタ)アクリル酸n−ブトキシエチル、(メタ)アクリル酸イソブトキシエチル、(メタ)アクリル酸t−ブトキシエチル、(メタ)アクリル酸ノニルフェノキシエチル、(メタ)アクリル酸3−メトキシブチル、アクリロニトリル、スチレン、ビニルトルエン、α−メチルスチレン等のラジカル重合性単量体が挙げられる。
これらの中で、単量体の入手し易さと、インキバインダー樹脂との相溶性の観点から、メタクリル酸メチル、メタクリル酸エチル、メタクリル酸n−ブチル、メタクリル酸イソブチル、メタクリル酸2−エチルヘキシル、メタクリル酸が好ましい。なかでも、メタクリル酸メチル、メタクリル酸n−ブチルがより好ましい。
これらラジカル重合性単量体は、1種類のみを用いてもよいし2種以上を組み合わせて用いてもよい。
Various monomers may be used to form the structural unit (a') of the macromonomer (a) or other structural units. For example, methyl (meth) acrylate, ethyl (meth) acrylate, n-propyl (meth) acrylate, isopropyl (meth) acrylate, n-butyl (meth) acrylate, isobutyl (meth) acrylate, (meth). ) T-butyl acrylate, isoamyl (meth) acrylate, hexyl (meth) acrylate, octyl (meth) acrylate, lauryl (meth) acrylate, dodecyl (meth) acrylate, stearyl (meth) acrylate, ( Cyclohexyl acrylate, t-butylcyclohexyl (meth) acrylate, 3,3,5-trimethylcyclohexyl (meth) acrylate, cyclodecanyl (meth) acrylate, norbornyl (meth) acrylate, isobornyl (meth) acrylate , (Meta) dicyclopentanyl acrylate, (meth) dicyclopentenyl acrylate, adamantyl (meth) acrylate, phenyl (meth) acrylate, benzyl (meth) acrylate, phenylethyl (meth) acrylate, ( Phenylpropyl acrylate, phenoxyethyl (meth) acrylate, phenoxydiethylene glycol (meth) acrylate, o-biphenyl (meth) acrylate, p-biphenyl (meth) acrylate, ethylene oxide-modified nonylphenol (meth) acrylate , (Meta) hydroxyethylated β-naphthol acrylate, (meth) ethoxylated o-phenylphenol acrylate, (meth) 2-hydroxy 3-phenoxypropyl acrylate, glycidyl (meth) acrylate, (meth) acrylate 2-Ethylhexyl, 2-hydroxyethyl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, 2-hydroxybutyl (meth) acrylate, 3-hydroxybutyl (meth) acrylate, 4 (meth) acrylate -Hydroxybutyl, polyethylene glycol (meth) acrylate, polypropylene glycol (meth) acrylate, methoxyethyl (meth) acrylate, ethoxyethyl (meth) acrylate, n-butoxyethyl (meth) acrylate, (meth) acrylic Radical polymerizable of isobutoxyethyl acid, t-butoxyethyl (meth) acrylate, nonylphenoxyethyl (meth) acrylate, 3-methoxybutyl (meth) acrylate, acrylonitrile, styrene, vinyltoluene, α-methylstyrene, etc. Examples include monomers.
Among these, from the viewpoint of easy availability of monomers and compatibility with ink binder resin, methyl methacrylate, ethyl methacrylate, n-butyl methacrylate, isobutyl methacrylate, 2-ethylhexyl methacrylate, and methacrylic Acids are preferred. Of these, methyl methacrylate and n-butyl methacrylate are more preferable.
Only one kind of these radically polymerizable monomers may be used, or two or more kinds thereof may be used in combination.
また、マクロモノマー(a)は、共重合性と耐熱分解性の観点から、構成成分としてメタクリル酸エステルを70質量%以上100質量%以下含むことが好ましい。メタクリル酸エステルの含有量の下限値は、80質量%以上がより好ましく、90質量%以上が更に好ましい。メタクリル酸エステルの含有量の上限値は、99質量%以下がより好ましく、98質量%以下が更に好ましい。 Further, the macromonomer (a) preferably contains 70% by mass or more and 100% by mass or less of a methacrylic acid ester as a constituent component from the viewpoint of copolymerizability and thermostable decomposition. The lower limit of the content of the methacrylic acid ester is more preferably 80% by mass or more, further preferably 90% by mass or more. The upper limit of the content of the methacrylic acid ester is more preferably 99% by mass or less, further preferably 98% by mass or less.
マクロモノマー(a)は、(メタ)アクリル系共重合体(A)としたときのインキ組成物のポリオレフィン系樹脂からなる基材に対する密着性の観点から、ゲルパーミエーションクロマトグラフ(GPC)で測定した数平均分子量(Mn)が300〜6000であることが好ましく、1000〜5000であることがより好ましい。
前記数平均分子量(Mn)が300以上であれば、(メタ)アクリル系共重合体(A)と、(メタ)アクリル系共重合体(A)と同じ単量体組成比を有するが構造が異なるランダム共重合体と、の間で密着性の差が発現しやすく、6000以下であれば密着性が良好となる。
The macromonomer (a) was measured by gel permeation chromatography (GPC) from the viewpoint of adhesion of the ink composition to the substrate made of the polyolefin resin when the (meth) acrylic copolymer (A) was used. The number average molecular weight (Mn) obtained is preferably 300 to 6000, and more preferably 1000 to 5000.
When the number average molecular weight (Mn) is 300 or more, the (meth) acrylic copolymer (A) has the same monomer composition ratio as the (meth) acrylic copolymer (A), but the structure is Differences in adhesion are likely to occur between different random copolymers, and if it is 6000 or less, the adhesion is good.
マクロモノマー(a)としては、2以上の構成単位(a’)を含む主鎖の末端にラジカル重合性基が導入されたものが好ましく、下記式(2)の末端構造を有するものが好ましい。なお、式(2)中の「・・・」は、2以上の構成単位(a’)を含む主鎖部分を示す。 The macromonomer (a) preferably has a radically polymerizable group introduced at the end of the main chain containing two or more structural units (a'), and preferably has the terminal structure of the following formula (2). In addition, "..." in the formula (2) indicates a main chain portion including two or more structural units (a').
式(2)において、Rは、水素原子、アルキル基、シクロアルキル基又はアリール基を示す。アルキル基、シクロアルキル基、およびアリール基は、置換基を有していてよい。
Rは、例えば、炭素数1〜20の分岐又は直鎖アルキル基が挙げられる。炭素数1〜20の分岐又は直鎖アルキル基の具体例としては、メチル基、エチル基、n−プロピル基、i−プロピル基、n−ブチル基、t−ブチル基、i−ブチル基、ペンチル基、ヘキシル基、ヘプチル基、オクチル基、ノニル基、デシル基、ウンデシル基、ドデシル基、トリデシル基、テトラデシル基、ペンタデシル基、ヘキサデシル基、ヘプタデシル基、オクタデシル基、ノナデシル基及びイコシル基が挙げられる。これらの中で、入手のし易さから、メチル基、エチル基、n−プロピル基、i−プロピル基、n−ブチル基、t−ブチル基、ペンチル基、ヘキシル基、ヘプチル基及びオクチル基が好ましく、メチル基、エチル基、n−プロピル基、i−プロピル基、n−ブチル基及びt−ブチル基がより好ましい。
また、Rは、例えば、炭素数3〜20のシクロアルキル基が挙げられる。炭素数3〜20のシクロアルキル基の具体例としては、シクロプロピル基、シクロブチル基、シクロペンチル基、シクロヘキシル基、シクロヘプチル基、シクロオクチル基及びアダマンチル基が挙げられる。入手のし易さから、シクロプロピル基、シクロブチル基及びアダマンチル基が好ましい。
さらに、Rは、例えば、炭素数6〜18のアリール基が挙げられる。炭素数6〜18のアリール基の具体例としては、フェニル基及びナフチル基、ベンゾフェノン構造等が挙げられる。
Rが有してもよい置換基としては、アルキル基、アリール基、カルボキシル基、アルコキシカルボニル基(−COOR’’)、シアノ基、ヒドロキシル基、アミノ基(−NR’’R’’’)、アミド基(−CONR’’R’’’)、ハロゲン、アリル基、エポキシ基、アルコキシ基(−OR’’)、シロキシ基、又は親水性若しくはイオン性を示す基からなる群から選択される基又は原子が挙げられる。尚、R’’又はR’’’は、それぞれ独立して、Rと同様のものが挙げられる。
In formula (2), R represents a hydrogen atom, an alkyl group, a cycloalkyl group or an aryl group. Alkyl groups, cycloalkyl groups, and aryl groups may have substituents.
Examples of R include branched or linear alkyl groups having 1 to 20 carbon atoms. Specific examples of the branched or linear alkyl group having 1 to 20 carbon atoms include a methyl group, an ethyl group, an n-propyl group, an i-propyl group, an n-butyl group, a t-butyl group, an i-butyl group and a pentyl. Examples thereof include group, hexyl group, heptyl group, octyl group, nonyl group, decyl group, undecyl group, dodecyl group, tridecyl group, tetradecyl group, pentadecyl group, hexadecyl group, heptadecyl group, octadecyl group, nonadecil group and icosyl group. Among these, due to the availability, methyl group, ethyl group, n-propyl group, i-propyl group, n-butyl group, t-butyl group, pentyl group, hexyl group, heptyl group and octyl group are included. Methyl group, ethyl group, n-propyl group, i-propyl group, n-butyl group and t-butyl group are more preferable.
Further, R includes, for example, a cycloalkyl group having 3 to 20 carbon atoms. Specific examples of the cycloalkyl group having 3 to 20 carbon atoms include a cyclopropyl group, a cyclobutyl group, a cyclopentyl group, a cyclohexyl group, a cycloheptyl group, a cyclooctyl group and an adamantyl group. Cyclopropyl group, cyclobutyl group and adamantyl group are preferable because of easy availability.
Further, R includes, for example, an aryl group having 6 to 18 carbon atoms. Specific examples of the aryl group having 6 to 18 carbon atoms include a phenyl group, a naphthyl group, a benzophenone structure and the like.
Examples of the substituent that R may have include an alkyl group, an aryl group, a carboxyl group, an alkoxycarbonyl group (-COOR "), a cyano group, a hydroxyl group, and an amino group (-NR" R ""). A group selected from the group consisting of an amide group (-CONR''R'''), a halogen, an allyl group, an epoxy group, an alkoxy group (-OR''), a siloxy group, or a group exhibiting hydrophilicity or ionicity. Alternatively, an atom may be mentioned. In addition, R ″ or R ″ ″ can be independently the same as R.
上記置換基のアルコキシカルボニル基としては、例えば、メトキシカルボニル基が挙げられる。
上記置換基のアミノ基としては、アミノ基、モノメチルアミノ基、ジメチルアミノ基が挙げられる。
上記置換基のアミド基としては、例えば、カルバモイル基(−CONH2),N−メチルカルバモイル基(−CONHMe)、N,N−ジメチルカルバモイル基(ジメチルアミド基:−CONMe2)が挙げられる。
上記置換基のハロゲンとしては、例えばふっ素、塩素、臭素及びよう素が挙げられる。
上記置換基のアルコキシ基としては、例えば、炭素数1〜12のアルコキシ基が挙げられ、具体例としては、メトキシ基が挙げられる。
上記置換基の親水性又はイオン性を示す基としては、例えば、カルボキシル基のアルカリ塩又はスルホキシル基のアルカリ塩、ポリエチレンオキシド基、ポリプロピレンオキシド基等のポリ(アルキレンオキシド)基及び四級アンモニウム塩基等のカチオン性置換基が挙げられる。
Examples of the alkoxycarbonyl group of the above-mentioned substituent include a methoxycarbonyl group.
Examples of the amino group of the above-mentioned substituent include an amino group, a monomethylamino group and a dimethylamino group.
Examples of the amide group of the above-mentioned substituent include a carbamoyl group (-CONH 2 ), an N-methylcarbamoyl group (-CONHMe), and an N, N-dimethylcarbamoyl group (dimethylamide group: -CONMe 2 ).
Examples of the halogen of the substituent include fluorine, chlorine, bromine and iodine.
Examples of the alkoxy group of the above-mentioned substituent include an alkoxy group having 1 to 12 carbon atoms, and specific examples thereof include a methoxy group.
Examples of the group exhibiting hydrophilicity or ionicity of the substituent include an alkali salt of a carboxyl group or an alkali salt of a sulfoxyl group, a poly (alkylene oxide) group such as a polyethylene oxide group and a polypropylene oxide group, and a quaternary ammonium base. Cationic substituents can be mentioned.
Zは、マクロモノマー(a)の末端基である。マクロモノマー(a)の末端基としては、例えば、公知のラジカル重合で得られるポリマーの末端基と同様に、水素原子及びラジカル重合開始剤に由来する基が挙げられる。 Z is the terminal group of the macromonomer (a). Examples of the terminal group of the macromonomer (a) include a group derived from a hydrogen atom and a radical polymerization initiator, similarly to the terminal group of a polymer obtained by known radical polymerization.
マクロモノマー(a)としては、(メタ)アクリロイル基を有するモノマー構成単位を80質量%以上含むものが好ましく、下記式(3)の構造が特に好ましい。 The macromonomer (a) preferably contains 80% by mass or more of a monomer constituent unit having a (meth) acryloyl group, and the structure of the following formula (3) is particularly preferable.
式(3)中、nは2〜10万の自然数である。
R及びRnは、それぞれ独立に、式(2)のRと同様のものを用いることができる。n個のRnは、それぞれ同じでも異なっていても良い。Xnは、式(a’)のPと同様のものを用いることができる。n個のXnは、それぞれ同じでも異なっていても良い。
Zは、末端基である。
In equation (3), n is a natural number of 20,000 to 100,000.
As R and Rn, the same ones as R in the formula (2) can be used independently. The n Rn may be the same or different. As Xn, the same as P in the formula (a') can be used. The n Xn may be the same or different.
Z is a terminal group.
Zとしては、式(2)のZと同様の末端基が挙げられる。 Examples of Z include terminal groups similar to Z in the formula (2).
マクロモノマー(a)は、公知の方法で製造したものを用いてもよく、市販のものを用いてもよい。ラジカル重合可能な重合性基を持つマクロモノマー(a)の製造方法としては、例えば、コバルト連鎖移動剤を用いて製造する方法、α−メチルスチレンダイマー等のα置換不飽和化合物を連鎖移動剤として用いる方法、重合体にラジカル重合性基を化学的に結合させる方法、及び熱分解による方法が挙げられる。
これらの中で、マクロモノマー(a)の製造方法としては、製造工程数が少なく、連鎖移動定数の高い触媒を使用する点で、コバルト連鎖移動剤を用いて製造する方法が好ましい。なお、コバルト連鎖移動剤を用いて製造した場合のマクロモノマー(a)の構造は前記式(2)に該当するものである。
As the macromonomer (a), one produced by a known method may be used, or a commercially available one may be used. Examples of the method for producing the macromonomer (a) having a radically polymerizable polymerizable group include a method using a cobalt chain transfer agent and an α-substituted unsaturated compound such as α-methylstyrene dimer as a chain transfer agent. Examples thereof include a method used, a method of chemically bonding a radically polymerizable group to the polymer, and a method of thermal decomposition.
Among these, as a method for producing the macromonomer (a), a method using a cobalt chain transfer agent is preferable in that a catalyst having a small number of production steps and a high chain transfer constant is used. The structure of the macromonomer (a) when produced using a cobalt chain transfer agent corresponds to the above formula (2).
ビニル単量体からなる重合体に付加できる官能基を持つマクロモノマー(a)の製造方法としては、該当の官能基を有するビニル単量体を共重合する方法、チオグリコール、チオグリコール酸等の連鎖移動剤を用いて官能基を導入する方法、開始剤を用いて官能基を導入する方法などが挙げられる。 Examples of the method for producing the macromonomer (a) having a functional group that can be added to the polymer composed of the vinyl monomer include a method of copolymerizing the vinyl monomer having the corresponding functional group, thioglycol, thioglycolic acid and the like. Examples thereof include a method of introducing a functional group using a chain transfer agent and a method of introducing a functional group using an initiator.
マクロモノマー(a)を製造する方法としては、例えば、塊状重合法、溶液重合法及び懸濁重合法、乳化重合法等の水系分散重合法が挙げられる。特にコバルト連鎖移動剤を用いて製造する場合は、回収工程が簡便である点から水系分散重合法が好ましい。 Examples of the method for producing the macromonomer (a) include aqueous dispersion polymerization methods such as a massive polymerization method, a solution polymerization method and a suspension polymerization method, and an emulsion polymerization method. In particular, in the case of production using a cobalt chain transfer agent, the aqueous dispersion polymerization method is preferable because the recovery step is simple.
重合体にラジカル重合性基を化学的に結合させる方法としては、たとえば、ハロゲン基を有する重合体のハロゲン基を、ラジカル重合性の炭素−炭素二重結合を有する化合物で置換することにより製造する方法、酸基を有するビニル系単量体とエポキシ基を有するビニル系重合体とを反応させる方法、エポキシ基を有するビニル系重合体と酸基を有するビニル系単量体とを反応させる方法、水酸基を有するビニル系重合体とジイソシアネート化合物とを反応させ、イソシアネート基を有するビニル系重合体を得て、このビニル系重合体と水酸基を有するビニル系単量体とを反応させる方法等が挙げられ、いずれの方法によって製造されても構わない。 As a method for chemically bonding a radically polymerizable group to a polymer, for example, it is produced by substituting the halogen group of the polymer having a halogen group with a compound having a radically polymerizable carbon-carbon double bond. Method, method of reacting a vinyl-based monomer having an acid group with a vinyl-based polymer having an epoxy group, a method of reacting a vinyl-based polymer having an epoxy group with a vinyl-based polymer having an acid group, Examples thereof include a method in which a vinyl-based polymer having a hydroxyl group is reacted with a diisocyanate compound to obtain a vinyl-based polymer having an isocyanate group, and the vinyl-based polymer is reacted with a vinyl-based monomer having a hydroxyl group. , It may be manufactured by any method.
なお、マクロモノマー(a)は、2種以上を組み合わせて用いることができる。 The macromonomer (a) can be used in combination of two or more.
前記(メタ)アクリル系共重合体(A)の重合に用いる、前記単量体混合物(M)に含まれるマクロモノマー(a)以外の単量体としては、マクロモノマー(a)との共重合性の観点から、(メタ)アクリル酸エステル、(メタ)アクリルアミドおよびスチレン等のラジカル重合性単量体が好ましい。これらの中でも、(メタ)アクリル酸メチル、(メタ)アクリル酸エチル、(メタ)アクリル酸n−プロピル、(メタ)アクリル酸i−プロピル、(メタ)アクリル酸n−ブチル、(メタ)アクリル酸i−ブチル、(メタ)アクリル酸t−ブチル、(メタ)アクリル酸ラウリル、(メタ)アクリル酸ドデシル、(メタ)アクリル酸ステアリル、(メタ)アクリル酸2−エチルヘキシル、(メタ)アクリル酸グリシジル、(メタ)アクリル酸2−ヒドロキシエチル、(メタ)アクリル酸4−ヒドロキシブチル、(メタ)アクリル酸メトキシメチル、(メタ)アクリル酸エトキシエチル、(メタ)アクリル酸シクロヘキシル、(メタ)アクリル酸t−ブチルシクロヘキシル、(メタ)アクリル酸3,3,5−トリメチルシクロヘキシル、(メタ)アクリル酸シクロデカニル、(メタ)アクリル酸ノルボルニル、(メタ)アクリル酸イソボルニル、(メタ)アクリル酸ジシクロペンタニル、(メタ)アクリル酸ジシクロペンテニル、(メタ)アクリル酸アダマンチル、(メタ)アクリル酸フェニル、(メタ)アクリル酸ベンジル、(メタ)アクリル酸フェニルエチル、(メタ)アクリル酸フェニルプロピル、(メタ)アクリル酸フェノキシエチル、(メタ)アクリル酸フェノキシジエチレングリコール、(メタ)アクリル酸o−ビフェニル、(メタ)アクリル酸p−ビフェニル、(メタ)アクリル酸エチレンオキサイド変性ノニルフェノール、(メタ)アクリル酸ヒドロキシエチル化β−ナフトール、(メタ)アクリル酸エトキシ化o−フェニルフェノール、(メタ)アクリル酸2−ヒドロキシ3−フェノキシプロピル、アクリロニトリル、スチレン、ビニルトルエン、α−メチルスチレンがより好ましい。また、ポリオレフィン系樹脂からなる基材への密着性の観点から、アクリロイルオキシ基(CH2=CHCOO−)またはメタクリロイルオキシ基(CH2=C(CH3)COO−)が、2級炭素原子または3級炭素原子に結合したものが好ましい。ここで、2級炭素原子または3級炭素原子とは、アクリロイルオキシ基またはメタクリロイルオキシ基を除く、水素原子以外の任意の基を2つまたは3つ有する炭素原子であり、これら任意の基は互いに結合して環を形成していてもよいものである。具体的には、アクリル酸シクロヘキシル、アクリル酸t−ブチルシクロヘキシル、アクリル酸3,3,5−トリメチルシクロヘキシル、アクリル酸イソボルニル、アクリル酸ジシクロペンタニル、アクリル酸ジシクロペンテニル、メタクリル酸シクロヘキシル、メタクリル酸t−ブチルシクロヘキシル、メタクリル酸3,3,5−トリメチルシクロヘキシル、メタクリル酸イソボルニル、メタクリル酸ジシクロペンタニル、メタクリル酸ジシクロペンテニルが好ましい。
これらラジカル重合性単量体は、1種類のみを用いてもよいし2種以上を組み合わせて用いてもよい。
The monomer other than the macromonomer (a) contained in the monomer mixture (M) used for the polymerization of the (meth) acrylic copolymer (A) is a copolymerization with the macromonomer (a). From the viewpoint of properties, radically polymerizable monomers such as (meth) acrylic acid ester, (meth) acrylamide and styrene are preferable. Among these, methyl (meth) acrylic acid, ethyl (meth) acrylic acid, n-propyl (meth) acrylic acid, i-propyl (meth) acrylic acid, n-butyl (meth) acrylic acid, (meth) acrylic acid. i-butyl, t-butyl (meth) acrylate, lauryl (meth) acrylate, dodecyl (meth) acrylate, stearyl (meth) acrylate, 2-ethylhexyl (meth) acrylate, glycidyl (meth) acrylate, 2-Hydroxyethyl (meth) acrylate, 4-hydroxybutyl (meth) acrylate, methoxymethyl (meth) acrylate, ethoxyethyl (meth) acrylate, cyclohexyl (meth) acrylate, t- (meth) acrylate Butylcyclohexyl, (meth) acrylate 3,3,5-trimethylcyclohexyl, (meth) acrylate cyclodecanyl, (meth) acrylate norbornyl, (meth) acrylate isobornyl, (meth) acrylate dicyclopentanyl, (meth) ) Dicyclopentenyl acrylate, adamantyl (meth) acrylate, phenyl (meth) acrylate, benzyl (meth) acrylate, phenylethyl (meth) acrylate, phenylpropyl (meth) acrylate, phenoxy (meth) acrylate Ethyl, phenoxydiethylene glycol (meth) acrylate, o-biphenyl (meth) acrylate, p-biphenyl (meth) acrylate, nonylphenol modified with ethylene oxide (meth) acrylate, β-naphthol hydroxyethylated (meth) acrylate, More preferably, o-phenylphenol ethoxylated (meth) acrylate, 2-hydroxy3-phenoxypropyl (meth) acrylate, acrylonitrile, styrene, vinyltoluene, and α-methylstyrene. Further, from the viewpoint of adhesion to a substrate made of a polyolefin resin, an acryloyloxy group (CH 2 = CHCOO−) or a methacryloyloxy group (CH 2 = C (CH 3 ) COO−) is a secondary carbon atom or Those bonded to a tertiary carbon atom are preferable. Here, the secondary carbon atom or the tertiary carbon atom is a carbon atom having two or three arbitrary groups other than a hydrogen atom, excluding an acryloyloxy group or a methylenedioxy group, and these arbitrary groups are mutually exclusive. They may be combined to form a ring. Specifically, cyclohexyl acrylate, t-butyl cyclohexyl acrylate, 3,3,5-trimethylcyclohexyl acrylate, isobornyl acrylate, dicyclopentanyl acrylate, dicyclopentenyl acrylate, cyclohexyl methacrylate, methacrylic acid. Preferably, t-butylcyclohexyl, 3,3,5-trimethylcyclohexyl methacrylate, isobornyl methacrylate, dicyclopentanyl methacrylate, and dicyclopentenyl methacrylate.
Only one kind of these radically polymerizable monomers may be used, or two or more kinds thereof may be used in combination.
マクロモノマー(a)の含有量は、前記単量体混合物(M)中に5〜95質量%であることが好ましく、10〜90質量%であることがより好ましい。
マクロモノマー(a)の含有量が5質量%以上であれば、インキバインダー樹脂との相溶性が向上し、95質量%以下であれば単量体混合物(M)の重合が容易となる。
The content of the macromonomer (a) is preferably 5 to 95% by mass, more preferably 10 to 90% by mass in the monomer mixture (M).
When the content of the macromonomer (a) is 5% by mass or more, the compatibility with the ink binder resin is improved, and when it is 95% by mass or less, the polymerization of the monomer mixture (M) is facilitated.
前記単量体混合物(M)の重合は、前記マクロモノマー(a)と同様に公知の方法、条件でおこなうことができる。 The polymerization of the monomer mixture (M) can be carried out by a known method and conditions in the same manner as the macromonomer (a).
インキ皮膜硬度およびインキバインダー樹脂との相溶性の観点から、前記単量体混合物(M)を重合して得られた(メタ)アクリル系共重合体(A)のゲルパーミエーションクロマトグラフ(GPC)で測定した重量平均分子量(Mw)は、1000〜300000であることが好ましく、5000〜200000であることがより好ましい。
前記重量平均分子量(Mw)が1000以上ではインキ皮膜に十分な硬度が得られ、1000000を超えるとインキバインダー樹脂との相溶が容易となる。
A gel permeation chromatograph (GPC) of a (meth) acrylic copolymer (A) obtained by polymerizing the monomer mixture (M) from the viewpoint of ink film hardness and compatibility with an ink binder resin. The weight average molecular weight (Mw) measured in 1 is preferably 1000 to 300000, and more preferably 5000 to 20000.
When the weight average molecular weight (Mw) is 1000 or more, sufficient hardness is obtained for the ink film, and when it exceeds 1,000,000, compatibility with the ink binder resin becomes easy.
(メタ)アクリル系共重合体(A)はグラフト共重合体、ブロック共重合体等のいかなる構造を有するものであっても良い。 The (meth) acrylic copolymer (A) may have any structure such as a graft copolymer or a block copolymer.
(メタ)アクリル系共重合体(A)を得るための重合方法としては、バルク重合、溶液重合、懸濁重合、乳化重合等のラジカル重合、アニオン重合、グループトランスファー重合(GTP)、配位アニオン重合等の公知の重合方法を採用できる。
重合温度については特に制限はなく、例えば、−100〜250℃ 、好ましくは0〜200℃ の温度で重合できる。
Examples of the polymerization method for obtaining the (meth) acrylic copolymer (A) include bulk polymerization, solution polymerization, suspension polymerization, radical polymerization such as emulsion polymerization, anion polymerization, group transfer polymerization (GTP), and coordination anion. A known polymerization method such as polymerization can be adopted.
The polymerization temperature is not particularly limited, and the polymerization can be carried out at a temperature of, for example, -100 to 250 ° C, preferably 0 to 200 ° C.
(メタ)アクリル系共重合体(A)を重合するに際しては、連鎖移動剤やラジカル重合開始剤を用いても良い。連鎖移動剤としては、水素、メルカプタン類、αメチルスチレンダイマー、テルペノイド類等が挙げられる。連鎖移動剤は、1種を単独で又は2種以上を組み合わせて用いることができる。連鎖移動剤として用いられる好適なメルカプタンの具体例としてはn−オクチルメルカプタン、n−ドデシルメルカプタン、t−ドデシルメルカプタン等が挙げられる。 When polymerizing the (meth) acrylic copolymer (A), a chain transfer agent or a radical polymerization initiator may be used. Examples of the chain transfer agent include hydrogen, mercaptans, α-methylstyrene dimers, terpenoids and the like. The chain transfer agent may be used alone or in combination of two or more. Specific examples of suitable mercaptans used as chain transfer agents include n-octyl mercaptan, n-dodecyl mercaptan, t-dodecyl mercaptan and the like.
ラジカル重合開始剤としては、有機過酸化物やアゾ化合物等が挙げられる。ラジカル重合開始剤は、1種を単独で又は2種以上を組み合わせて用いることができる。 Examples of the radical polymerization initiator include organic peroxides and azo compounds. The radical polymerization initiator may be used alone or in combination of two or more.
ラジカル重合開始剤として用いられる好適な有機過酸化物の具体例としては、t−ブチルパーオキシピバレート、o−メチルベンゾイルパーオキサイド、ビス−3,5,5−トリメチルヘキサノイルパーオキサイド、オクタノイルパーオキサイド、シクロヘキサノンパーオキサイド、ベンゾイルパーオキサイド、メチルエチルケトンパーオキサイド、ジクミルパーオキサイド、ラウロイルパーオキサイド、ジイソプロピルベンゼンハイドロパーオキサイド、t−ブチルハイドロパーオキサイド、ジ−t−ブチルパーオキサイド、t−ブチルパーオキシ−2−エチルヘキサノエート、1,1,3,3−テトラメチルブチルパーオキシ−2−エチルヘキサノエート等が挙げられる。
また、アゾ化合物の具体例としては、2,2’−アゾビスイソブチロニトリル、2,2’−アゾビス(2,4−ジメチルバレロニトリル)、2,2’−アゾビス(2,4−ジメチル−4−メトキシバレロニトリル)等が挙げられる。
これらの中でも、ベンゾイルパーオキサイド、ラウロイルパーオキサイド、1,1,3,3−テトラメチルブチルパーオキシ−2−エチルヘキサノエート、2,2’−アゾビスイソブチロニトリル、2,2’−アゾビス(2,4−ジメチルバレロニトリル)等が好ましい。
Specific examples of suitable organic peroxides used as radical polymerization initiators include t-butylperoxypivalate, o-methylbenzoyl peroxide, bis-3,5,5-trimethylhexanoyl peroxide, and octanoyl. Peroxide, cyclohexanone peroxide, benzoyl peroxide, methyl ethyl ketone peroxide, dicumyl peroxide, lauroyl peroxide, diisopropylbenzene hydroperoxide, t-butyl hydroperoxide, di-t-butyl peroxide, t-butyl peroxy Examples thereof include -2-ethylhexanoate and 1,1,3,3-tetramethylbutylperoxy-2-ethylhexanoate.
Specific examples of the azo compound include 2,2'-azobisisobutyronitrile, 2,2'-azobis (2,4-dimethylvaleronitrile), and 2,2'-azobis (2,4-dimethyl). -4-methoxyvaleronitrile) and the like.
Among these, benzoyl peroxide, lauroyl peroxide, 1,1,3,3-tetramethylbutylperoxy-2-ethylhexanoate, 2,2'-azobisisobutyronitrile, 2,2'- Azobis (2,4-dimethylvaleronitrile) and the like are preferable.
ラジカル重合開始剤の添加量は、用いる単量体の合計100質量部に対して0.0001〜10質量部にすることが好ましい。 The amount of the radical polymerization initiator added is preferably 0.0001 to 10 parts by mass with respect to 100 parts by mass of the total amount of the monomers used.
[他の重合体]
本発明のインキ組成物は、基材に対する密着性を損なわない範囲で、前記(メタ)アクリル系共重合体(A)とは異なる、他の重合体を含んでいても良い。
他の重合体としては、マクロモノマー(a)を含まない単量体から構成された重合体であれば特に限定されないが、例えば、ポリスチレン等のポリ芳香族ビニル化合物、ポリ(メタ)アクリル酸エステル、ポリエステル樹脂、ポリウレタン樹脂、アルキッド樹脂、エポキシ樹脂等が挙げられる。
上記の中でも、ポリ(メタ)アクリル酸エステルは、インキ皮膜を形成するための基本的性能、すなわち乾燥性、光沢、硬度、耐溶剤性、耐候性、耐水性等の向上に有効な成分であるため好ましい。
[Other polymers]
The ink composition of the present invention may contain another polymer different from the (meth) acrylic copolymer (A) as long as the adhesion to the substrate is not impaired.
The other polymer is not particularly limited as long as it is a polymer composed of a monomer containing no macromonomer (a), but for example, a polyaromatic vinyl compound such as polystyrene or a poly (meth) acrylic acid ester. , Polyester resin, polyurethane resin, alkyd resin, epoxy resin and the like.
Among the above, the poly (meth) acrylic acid ester is an effective component for improving the basic performance for forming an ink film, that is, drying property, gloss, hardness, solvent resistance, weather resistance, water resistance and the like. Therefore, it is preferable.
さらに、(メタ)アクリル酸エステル単量体としては、特に耐候性やインキ皮膜硬度が優れることから、炭化水素基の炭素数が4個以下で構成される直鎖または分岐状炭化水素基をもつものが好ましい。それらの中でも特に入手の容易さの観点から、メタクリル酸メチル、メタクリル酸n−ブチル、アクリル酸メチル、アクリル酸n−ブチル等が好ましく、特にメタクリル酸メチルが好ましい。(メタ)アクリル酸エステル単量体は、1種を単独で又は2種以上を組み合わせて用いることができる。 Further, since the (meth) acrylic acid ester monomer is particularly excellent in weather resistance and ink film hardness, it has a linear or branched hydrocarbon group composed of 4 or less carbon atoms of the hydrocarbon group. Is preferable. Among them, methyl methacrylate, n-butyl methacrylate, methyl acrylate, n-butyl acrylate and the like are preferable, and methyl methacrylate is particularly preferable, from the viewpoint of easy availability. The (meth) acrylic acid ester monomer may be used alone or in combination of two or more.
本発明のインキ組成物において、(メタ)アクリル系共重合体(A)の含有量は、所望とする性能によって適宜決定されるが、基材に対する密着性の観点から、全樹脂成分中の1〜70質量%(他の重合体の含有量が全樹脂成分中の99〜30質量%)である。
ここで、全樹脂成分とは、(メタ)アクリル系共重合体(A)と他の重合体の合計量のことである。
In the ink composition of the present invention, the content of the (meth) acrylic copolymer (A) is appropriately determined depending on the desired performance, but from the viewpoint of adhesion to the substrate, 1 in all resin components. ~ 70% by mass (content of other polymer is 99 to 30% by mass in the total resin component).
Here, the total resin component is the total amount of the (meth) acrylic copolymer (A) and other polymers.
[着色剤]
本発明のインキ組成物の色相としては、プロセス基本色として白の他に、黄、紅、藍、墨の合計5色があり、プロセスガマット外色として赤(橙)、草(緑)、紫の3色がある。更に透明黄、牡丹、朱、茶、金、銀、パール、色濃度調整用のほぼ透明なメジウム(必要に応じて体質顔料を含む)などがベース色として準備される。白インキに、他のインキを混合することができ、さらに必要に応じて有機顔料、無機顔料、染料を混合することができる。
[Colorant]
As the hue of the ink composition of the present invention, in addition to white as the basic process color, there are a total of five colors of yellow, red, indigo, and ink, and the outer colors of the process gamut are red (orange), grass (green), and purple. There are three colors. Furthermore, transparent yellow, peony, vermilion, brown, gold, silver, pearl, and almost transparent medium for adjusting the color density (including extender pigment if necessary) are prepared as base colors. Other inks can be mixed with the white ink, and organic pigments, inorganic pigments, and dyes can be mixed as needed.
本発明のインキ組成物に用いることができる白色系無機顔料としては、酸化チタン、酸化亜鉛、硫化亜鉛、硫酸バリウム、炭酸カルシウム、酸化クロム、シリカなどが挙げられる。白インキの顔料には酸化チタンを用いることが着色力、隠ぺい力、耐薬品性、耐候性の点から好ましい。 Examples of the white inorganic pigment that can be used in the ink composition of the present invention include titanium oxide, zinc oxide, zinc sulfide, barium sulfate, calcium carbonate, chromium oxide, and silica. It is preferable to use titanium oxide as the pigment of the white ink from the viewpoint of coloring power, hiding power, chemical resistance, and weather resistance.
白色系以外の無機顔料としては、カーボンブラック、アルミニウム、マイカ(雲母)などの顔料が挙げられる。 Examples of non-white inorganic pigments include pigments such as carbon black, aluminum, and mica (mica).
本発明のインキ組成物に有色系着色剤としては、一般のインキ、塗料、および記録剤などに使用されている有機、無機顔料や染料を挙げることができる。併用できる有機顔料としては、アゾ系、フタロシアニン系、アントラキノン系、ペリレン系、ペリノン系、キナクリドン系、チオインジゴ系、ジオキサジン系、イソインドリノン系、キノフタロン系、アゾメチンアゾ系、ジクトピロロピロール系、イソインドリン系などの顔料が挙げられる。藍インキには銅フタロシアニン、透明黄インキにはコスト・耐光性の点からC.I. Pigment No Yellow83を用いることが好ましい。 Examples of the colored colorant in the ink composition of the present invention include organic and inorganic pigments and dyes used in general inks, paints, recording agents and the like. Organic pigments that can be used in combination include azo, phthalocyanine, anthraquinone, perylene, perinone, quinacridone, thioindigo, dioxazine, isoindolinone, quinophthalone, azomethinazo, dictopyrrolopyrrole, and isoindoline. Pigments such as. Copper phthalocyanine for indigo ink and C.I. for transparent yellow ink in terms of cost and light resistance. I. It is preferable to use Pigment No Yellow 83.
着色剤は、インキの濃度・着色力を確保するのに充分な量、すなわちインキの総重量に対して1〜50重量%の割合で含まれることが好ましい。また、これらの着色剤は単独で、または2種以上を併用して用いることができる。 The colorant is preferably contained in an amount sufficient to secure the density and coloring power of the ink, that is, in a proportion of 1 to 50% by weight based on the total weight of the ink. In addition, these colorants can be used alone or in combination of two or more.
顔料を有機溶剤に安定に分散させるには、樹脂単独でも分散可能であるが、さらに顔料を安定に分散するため分散剤を併用することもできる。分散剤としては、アニオン性、ノニオン性、カチオン性、両イオン性などの界面活性剤を使用することができる。分散剤は、インキの保存安定性の観点からインキの総重量に対して0.05重量%以上、かつ、印刷性の観点から5重量%以下でインキ中に含まれることが好ましい。さらに、0.1〜2重量%の範囲で含まれることがより好ましい。 In order to stably disperse the pigment in the organic solvent, the resin alone can be dispersed, but in order to further stably disperse the pigment, a dispersant can be used in combination. As the dispersant, surfactants such as anionic, nonionic, cationic and zwitterionic can be used. The dispersant is preferably contained in the ink in an amount of 0.05% by weight or more and 5% by weight or less from the viewpoint of printability with respect to the total weight of the ink from the viewpoint of storage stability of the ink. Further, it is more preferably contained in the range of 0.1 to 2% by weight.
[有機溶剤]
本発明のインキ組成物には、インキ製造時の取り扱い性や印刷性を良好にするため、(メタ)アクリル系共重合体(A)が可溶であり、その他の成分が可溶もしくは分散可能な有機溶剤を配合することが好ましい。その場合、取り扱い性の観点から、有機溶剤を含むインキ組成物中における(メタ)アクリル系共重合体(A)の濃度は10〜70質量%であることが好ましい。
[Organic solvent]
In the ink composition of the present invention, the (meth) acrylic copolymer (A) is soluble and other components can be soluble or dispersed in order to improve the handleability and printability during ink production. It is preferable to add an organic solvent. In that case, from the viewpoint of handleability, the concentration of the (meth) acrylic copolymer (A) in the ink composition containing the organic solvent is preferably 10 to 70% by mass.
なお、本発明のインキ組成物は固形成分のみから構成されるものでもよい。その場合、使用前に有機溶剤と混合してインキ組成物を調製する。 The ink composition of the present invention may be composed of only solid components. In that case, the ink composition is prepared by mixing with an organic solvent before use.
本発明のインキ組成物は(メタ)アクリル系共重合体(A)を含有することから以下の溶剤に対する溶剤溶解性に優れる。
好適な有機溶剤としては、例えば、トルエン、キシレン、スワゾール#1000(丸善石油化学(株)製)、ソルベッツ#150(エクソン化学(株)製)、スーパーゾール1500(新日本石油化学(株)製)等の芳香族系炭化水素類;シクロヘキサン、メチルシクロヘキサン等の脂環式炭化水素類;メチルエチルケトン、メチルイソブチルケトン、シクロヘキサノン等のケトン類;酢酸エチル、酢酸n−プロピル、酢酸n−ブチル、酢酸i−ブチル、プロピレングリコールモノメチルエーテルアセテート等のエステル類;エタノール、n−プロピルアルコール、イソプロピルアルコール,n−ブタノール、シクロヘキサノール等のアルコール類;エチレングリコールモノブチルエーテル、プロピレングリコールモノメチルエーテル等のグリコール系溶剤;ミネラルターペン、アイソパーE(エクソン化学(株)製)等の脂肪族炭化水素類等が挙げられる。中でも、揮発分排出による環境影響の観点から、エステル類やアルコール類が特に好ましい。
これら有機溶剤は、1種を単独で又は2種以上を組み合わせて用いることができる。
Since the ink composition of the present invention contains the (meth) acrylic copolymer (A), it is excellent in solvent solubility in the following solvents.
Suitable organic solvents include, for example, toluene, xylene, swazole # 1000 (manufactured by Maruzen Petrochemical Co., Ltd.), Solbets # 150 (manufactured by Exxon Chemical Co., Ltd.), Supersol 1500 (manufactured by Shin Nippon Petrochemical Co., Ltd.). ) And other aromatic hydrocarbons; alicyclic hydrocarbons such as cyclohexane and methylcyclohexane; ketones such as methyl ethyl ketone, methyl isobutyl ketone and cyclohexanone; ethyl acetate, n-propyl acetate, n-butyl acetate, i acetate -Esters such as butyl, propylene glycol monomethyl ether acetate; alcohols such as ethanol, n-propyl alcohol, isopropyl alcohol, n-butanol, cyclohexanol; glycol solvents such as ethylene glycol monobutyl ether and propylene glycol monomethyl ether; minerals Examples thereof include aliphatic hydrocarbons such as solvent and Isoper E (manufactured by Exxon Chemical Co., Ltd.). Among them, esters and alcohols are particularly preferable from the viewpoint of environmental impact due to volatile matter emission.
These organic solvents may be used alone or in combination of two or more.
[その他の成分]
本発明のインキ組成物には、必要に応じて、カーボンブラック、フェライト等の導電性付与剤; 無機充填剤、滑剤、可塑剤、有機過酸化物、アルミペースト、マイカ等の光輝剤;酸化防止剤、紫外線吸収剤、耐候安定剤、耐放射線剤、熱安定剤等の各種安定剤; 表面調整剤、架橋剤、硬化触媒、顔料沈降防止剤等の補助的添加剤等を一般的な配合法で添加することができる。
[Other ingredients]
The ink composition of the present invention contains, if necessary, a conductivity-imparting agent such as carbon black or ferrite; a brightener such as an inorganic filler, a lubricant, a plasticizer, an organic peroxide, an aluminum paste, or mica; an antioxidant. Various stabilizers such as agents, UV absorbers, weather stabilizers, radiation resistant agents, heat stabilizers; auxiliary additives such as surface conditioners, cross-linking agents, curing catalysts, pigment sedimentation inhibitors, etc. Can be added with.
[印刷インキ]
本発明のインキ組成物は、樹脂、着色剤などを有機溶剤中に溶解および/または分散することにより製造することができる。具体的には、顔料を樹脂、および分散剤により有機溶剤に分散させた顔料分散体を製造し、得られた顔料分散体に、必要に応じて他の化合物などを配合することによりインキ(例えば、印刷インキ)を製造することができる。
[Printing ink]
The ink composition of the present invention can be produced by dissolving and / or dispersing a resin, a colorant, or the like in an organic solvent. Specifically, an ink (for example,) is produced by producing a pigment dispersion in which a pigment is dispersed in an organic solvent with a resin and a dispersant, and adding another compound or the like to the obtained pigment dispersion as necessary. , Printing ink) can be manufactured.
顔料分散体における顔料の粒度分布は、分散機の粉砕メディアのサイズ、粉砕メディアの充填率、分散処理時間、顔料分散体の吐出速度、顔料分散体の粘度などを適宜調節することにより、調整することができる。分散機としては一般に使用される、例えばローラーミル、ボールミル、ペブルミル、アトライター、サンドミル、自転公転ミキサーなどを用いることができる。 The particle size distribution of the pigment in the pigment dispersion is adjusted by appropriately adjusting the size of the pulverized media of the disperser, the filling rate of the pulverized media, the dispersion treatment time, the discharge rate of the pigment dispersion, the viscosity of the pigment dispersion, and the like. be able to. As the disperser, generally used, for example, a roller mill, a ball mill, a pebble mill, an attritor, a sand mill, a rotation / revolution mixer, and the like can be used.
インキ中に気泡や予期せずに粗大粒子などが含まれる場合は、印刷物品質を低下させるため、濾過などにより取り除くことが好ましい。濾過器は従来公知のものを使用することができる。 If the ink contains air bubbles or unexpectedly coarse particles, it is preferable to remove them by filtration or the like in order to deteriorate the quality of the printed matter. As the filter, a conventionally known one can be used.
インキの粘度は、顔料の沈降を防ぎ、適度に分散させる観点から10mPa・s以上、インキ製造時や印刷時の作業性効率の観点から1000mPa・s以下の範囲であることが好ましい。なお、上記粘度はB型粘度計で25℃において測定された粘度である。 The viscosity of the ink is preferably in the range of 10 mPa · s or more from the viewpoint of preventing the pigment from settling and appropriately dispersing, and 1000 mPa · s or less from the viewpoint of workability efficiency during ink production or printing. The viscosity is the viscosity measured at 25 ° C. with a B-type viscometer.
インキの粘度は、使用される原材料の種類や量、例えば樹脂、着色剤、有機溶剤などを適宜選択することにより調整することができる。また、インキ中の顔料の粒度および粒度分布を調節することによりインキの粘度を調整することもできる。 The viscosity of the ink can be adjusted by appropriately selecting the type and amount of the raw material used, for example, a resin, a colorant, an organic solvent, and the like. Further, the viscosity of the ink can be adjusted by adjusting the particle size and the particle size distribution of the pigment in the ink.
本発明の印刷インキは、グラビア印刷、フレキソ印刷などの既知の印刷方式で用いることができる。例えば、グラビア印刷に適した粘度及び濃度にまで希釈溶剤で希釈され、単独でまたは混合して使用される。 The printing ink of the present invention can be used in known printing methods such as gravure printing and flexographic printing. For example, it is diluted with a diluting solvent to a viscosity and concentration suitable for gravure printing and used alone or in combination.
[基材]
本発明のインキ組成物は、特に、従来の技術では密着が容易でなかったポリオレフィン系樹脂からなる基材表面に対して用いるのに好適である。
[Base material]
The ink composition of the present invention is particularly suitable for use on the surface of a substrate made of a polyolefin resin, which has not been easily adhered by conventional techniques.
ポリオレフィン系樹脂からなる基材としては、例えば、ポリエチレンフィルム(PE)、無延伸ポリプロピレンフィルム(CPP)、延伸ポリプロピレンフィルム(OPP)、エチレン・酢酸ビニル共重合体フィルム(EVA)、エチレン・ビニルアルコール共重合体フィルム(EVOH)等のフィルム;高圧法ポリエチレン、中低圧法ポリエチレン、ポリプロピレン、ポリ4−メチル−1−ペンテン等のポリオレフィン、あるいはエチレン−プロピレン共重合体、エチレン−ブテン共重合体、プロピレン−ブテン共重合体等のポリオレフィン系樹脂からなる自動車部品用成形品、家電製品用成形品等が挙げられる。 Examples of the base material made of a polyolefin resin include polyethylene film (PE), unstretched polypropylene film (CPP), stretched polypropylene film (OPP), ethylene / vinyl acetate copolymer film (EVA), and ethylene / vinyl alcohol. Films such as polymer film (EVOH); polyolefins such as high pressure polyethylene, medium and low pressure polyethylene, polypropylene, poly4-methyl-1-pentene, or ethylene-propylene copolymers, ethylene-butene copolymers, propylene- Examples thereof include molded products for automobile parts and molded products for home appliances made of polyolefin-based resins such as butene copolymers.
さらに、このインキ組成物は、ポリオレフィン系樹脂からなる基材だけでなく、ポリエステルフィルム、無延伸ナイロンフィルム、二軸延伸ナイロンフィルム、ポリ塩化ビニリデンフィルム、ポリビニルアルコールフィルム等のプラスチックフィルム;ポリメチルメタクリレートや、メタクリル酸メチル単位を含む共重合体等のアクリル系樹脂、ポリプロピレンと合成ゴムからなる樹脂アロイ、ポリアミド樹脂、不飽和ポリエステル樹脂、ポリブチレンテレフタレート樹脂、ポリカーボネート樹脂、ポリスチレン樹脂等からなる基材;表面処理されていない鋼板、亜鉛やアルミの酸化皮膜でめっき処理された鋼板などの金属基材;銅板、アルミ板、アルミ合金板、チタニウム板などの非鉄金属基材に対しても好適に用いることができる。 Further, this ink composition includes not only a base material made of a polyolefin resin, but also a plastic film such as a polyester film, a non-stretched nylon film, a biaxially stretched nylon film, a polyvinylidene chloride film, and a polyvinyl alcohol film; , Acrylic resin such as copolymer containing methyl methacrylate unit, resin alloy made of polypropylene and synthetic rubber, polyamide resin, unsaturated polyester resin, polybutylene terephthalate resin, polycarbonate resin, polystyrene resin, etc. Metal substrates such as untreated steel sheets and steel sheets plated with an oxide film of zinc or aluminum; suitable for non-ferrous metal substrates such as copper plates, aluminum plates, aluminum alloy plates, and titanium plates. it can.
なお、本発明のインキ組成物を用いて印刷する基材は、射出成形、圧縮成形、中空成形、押出成形、回転成形など、公知のいずれの成形法によって成形されたものであっても良い。 The base material to be printed using the ink composition of the present invention may be molded by any known molding method such as injection molding, compression molding, hollow molding, extrusion molding, or rotary molding.
[塗膜]
本発明の塗膜は、本発明のインキ組成物を基材に積層して形成されるものであり、密着性評価において塗膜残存面積率が75%以上である。特に、従来の技術では密着が容易でなかったポリオレフィン系樹脂からなる基材表面に対しても高い塗膜残存面積率を示す。
[Coating film]
The coating film of the present invention is formed by laminating the ink composition of the present invention on a base material, and the coating film residual area ratio is 75% or more in the adhesion evaluation. In particular, it exhibits a high residual coating area ratio even on the surface of a substrate made of a polyolefin resin, which has not been easily adhered by conventional techniques.
実施例及び比較例により本発明を更に詳しく説明するが、本発明はこれらの実施例によって制限されるものではない。 The present invention will be described in more detail with reference to Examples and Comparative Examples, but the present invention is not limited to these Examples.
<数平均分子量測定>
数平均分子量測定には、東ソー製高速GPC装置HLC−8320GPC型およびRI検出器を用いた。使用したカラムは、(1)東ソー社製 TSKgel superHZM-M(4.6mmID×15cmL)を2本と(2)東ソー社製 TSKgel HZ2000(4.6mmID×15cmL)1本とを連結して測定を行なった。溶離液はテトラヒドロフラン(安定剤のジブチルヒドロキシトルエンを含む)を用い、流速は0.35ml/分、注入口温度40℃、オーブン温度40℃、RI温度40℃で測定した。サンプルは、樹脂分0.2wt%になるようテトラヒドロフランで調整したものを10μl注入した。
<Measurement of number average molecular weight>
Tosoh's high-speed GPC device HLC-8320GPC type and RI detector were used for the number average molecular weight measurement. The columns used were (1) two Tosoh TSKgel superHZM-M (4.6 mm ID x 15 cm L) and (2) one Tosoh TSKgel HZ2000 (4.6 mm ID x 15 cm L). .. Tetrahydrofuran (containing the stabilizer dibutylhydroxytoluene) was used as the eluent, and the measurement was performed at a flow rate of 0.35 ml / min, an inlet temperature of 40 ° C., an oven temperature of 40 ° C., and an RI temperature of 40 ° C. As a sample, 10 μl of the sample adjusted with tetrahydrofuran so as to have a resin content of 0.2 wt% was injected.
<分散剤(1)の合成>
撹拌機、冷却管及び温度計を備えた重合装置中に、脱イオン水900質量部、メタクリル酸2−スルホエチルナトリウム60質量部、メタクリル酸カリウム10質量部、メタクリル酸メチル(MMA)12質量部を加えて撹拌し、重合装置内を窒素置換しながら、重合温度50℃に昇温し、重合開始剤として2,2'−アゾビス(2−メチルプロピオンアミジン)二塩酸塩0.08質量部を添加し、更に重合温度60℃に昇温した。該重合開始剤の添加と同時に、滴下ポンプを使用して、MMAを0.24質量部/分の速度で75分間連続的に滴下することで合計18質量部を加えた。重合温度60℃で6時間保持した後、室温に冷却して分散剤(1)を得た。この分散剤(1)の固形分は10%あった。
<Synthesis of dispersant (1)>
900 parts by mass of deionized water, 60 parts by mass of 2-sulfoethyl sodium methacrylate, 10 parts by mass of potassium methacrylate, 12 parts by mass of methyl methacrylate (MMA) in a polymerization apparatus equipped with a stirrer, a cooling tube and a thermometer. , And the inside of the polymerization apparatus was replaced with nitrogen, the polymerization temperature was raised to 50 ° C., and 0.08 parts by mass of 2,2'-azobis (2-methylpropionamidine) dihydrochloride as a polymerization initiator was added. It was added and the polymerization temperature was further raised to 60 ° C. Simultaneously with the addition of the polymerization initiator, a total of 18 parts by mass was added by continuously dropping MMA at a rate of 0.24 parts by mass / min for 75 minutes using a dropping pump. After holding at a polymerization temperature of 60 ° C. for 6 hours, the mixture was cooled to room temperature to obtain a dispersant (1). The solid content of this dispersant (1) was 10%.
<連鎖移動剤(1)の合成>
撹拌機を備えた反応容器に、窒素雰囲気下で、酢酸コバルト(II)四水和物(和光純薬(株)製、和光特級)2.00g(8.03mmol)及びジフェニルグリオキシム(東京化成(株)製、EPグレード)3.86g(16.1mmol)及び予め窒素バブリングにより脱酸素したジエチルエーテル100mlを入れ、室温で2時間攪拌した。次いで、三フッ化ホウ素ジエチルエーテル錯体(東京化成(株)製、EPグレード)20mlを加え、更に6時間攪拌した。反応物をろ過し、固体をジエチルエーテルで洗浄し、100Mpa以下で、20℃において12時間乾燥し、連鎖移動剤(1)5.02g(7.93mmol、収率99質量%)を得た。
<Synthesis of chain transfer agent (1)>
In a reaction vessel equipped with a stirrer, 2.00 g (8.03 mmol) of cobalt acetate (II) tetrahydrate (manufactured by Wako Pure Chemical Industries, Ltd., Wako Special Grade) and diphenylglycime (Tokyo Kasei) under a nitrogen atmosphere. 3.86 g (16.1 mmol) of EP grade manufactured by Co., Ltd. and 100 ml of diethyl ether previously deoxidized by nitrogen bubbling were added, and the mixture was stirred at room temperature for 2 hours. Then, 20 ml of boron trifluoride diethyl ether complex (manufactured by Tokyo Kasei Co., Ltd., EP grade) was added, and the mixture was further stirred for 6 hours. The reaction was filtered, the solid was washed with diethyl ether, and dried at 20 ° C. for 12 hours at 100 MPa or less to obtain 5.02 g (7.93 mmol, yield 99% by mass) of the chain transfer agent (1).
<マクロモノマーの合成>
(合成例1:マクロモノマーM−1)
撹拌機、冷却管及び温度計を備えた重合装置中に、脱イオン水145質量部、硫酸ナトリウム(Na2SO4)0.10質量部及び分散剤(1)0.25質量部を入れて撹拌して、均一な水溶液とした。次に、メタクリル酸メチル100質量部、連鎖移動剤(1)0.008質量部及び重合開始剤として1,1,3,3−テトラメチルブチルパーオキシ−2−エチルヘキサノエート(日油(株)製、商品名:パーオクタO)0.80質量部を加え、分散液とした。この後、重合装置内を十分に窒素置換し、分散液を80℃に昇温してから2時間保持し、更に91℃に昇温して2時間保持した。その後、反応液を40℃に冷却して、ポリマーを含む懸濁液を得た。この懸濁液を濾過布で濾過し、濾過物を脱イオン水で洗浄、脱水し、40℃で16時間乾燥して、マクロモノマーM−1を得た。マクロモノマーM−1の数平均分子量(Mn)は1400であった。
<Synthesis of macromonomer>
(Synthesis Example 1: Macromonomer M-1)
145 parts by mass of deionized water, 0.10 parts by mass of sodium sulfate (Na 2 SO 4 ) and 0.25 parts by mass of dispersant (1) were placed in a polymerization apparatus equipped with a stirrer, a cooling tube and a thermometer. The mixture was stirred to obtain a uniform aqueous solution. Next, 100 parts by mass of methyl methacrylate, 0.008 parts by mass of the chain transfer agent (1), and 1,1,3,3-tetramethylbutylperoxy-2-ethylhexanoate as a polymerization initiator (Nichiyu (Nichiyu) Manufactured by Co., Ltd., trade name: Perocta O) 0.80 parts by mass was added to prepare a dispersion. After that, the inside of the polymerization apparatus was sufficiently replaced with nitrogen, the temperature of the dispersion was raised to 80 ° C. and then held for 2 hours, and the temperature was further raised to 91 ° C. and held for 2 hours. Then, the reaction solution was cooled to 40 ° C. to obtain a suspension containing a polymer. The suspension was filtered through a filter cloth, the filtrate was washed with deionized water, dehydrated and dried at 40 ° C. for 16 hours to give macromonomer M-1. The number average molecular weight (Mn) of the macromonomer M-1 was 1400.
(合成例2:マクロモノマーM−2)
連鎖移動剤(1)0.008質量部の代わりに、連鎖移動剤(1)0.0022質量部を用い、重合開始剤0.80質量部の代わりに0.40質量部を用いた以外はマクロモノマーM−1と同様にしてマクロモノマーM−2を得た。マクロモノマーM−2の数平均分子量(Mn)は3900であった。
(Synthesis Example 2: Macromonomer M-2)
Except that 0.0022 parts by mass of the chain transfer agent (1) was used instead of 0.008 parts by mass of the chain transfer agent (1) and 0.40 parts by mass was used instead of 0.80 parts by mass of the polymerization initiator. Macromonomer M-2 was obtained in the same manner as macromonomer M-1. The number average molecular weight (Mn) of the macromonomer M-2 was 3900.
(合成例3:マクロモノマーM−3)
連鎖移動剤(1)0.008質量部の代わりに、連鎖移動剤(1)0.0010質量部を用い、重合開始剤0.80質量部の代わりに0.24質量部を用いた以外はマクロモノマーM−1と同様にしてマクロモノマーM−3を得た。マクロモノマーM−3の数平均分子量(Mn)は7400であった。
(Synthesis Example 3: Macromonomer M-3)
Except that 0.0010 parts by mass of the chain transfer agent (1) was used instead of 0.008 parts by mass of the chain transfer agent (1) and 0.24 parts by mass was used instead of 0.80 parts by mass of the polymerization initiator. Macromonomer M-3 was obtained in the same manner as macromonomer M-1. The number average molecular weight (Mn) of the macromonomer M-3 was 7400.
<(メタ)アクリル系共重合体の合成>
(合成例4:アクリル系重合体A−1)
撹拌機、冷却管及び温度計を備えた重合装置中に、イソボルニルアクリレート45部と、ノルマルブチルアクリレート5部と、酢酸エチル86.2部を仕込み、窒素バブリングにより雰囲気を窒素置換した。次いで、内温が77℃になるまで昇温させた後、M−1(ポリメタクリル酸メチル、数平均分子量1400)を50 部と、t−ブチルパーオキシ−2−エチルヘキサノエート(日油(株)製、商品名:パーブチルO)と酢酸エチル61.8部の混合溶液を4時間かけて滴下した。続いて、2,2’−アゾビスイソブチロニトリル0.15部と酢酸エチル20部の混合溶液を追加し、同温度で3時間保持し重合を完結させた。得られた重合溶液にトルエン10部を添加して粘度調整した後、(メタ)アクリル系共重合体(A−1)の固形分36.5%溶液を得た。この重合体の数平均分子量は4700であった。
<Synthesis of (meth) acrylic copolymer>
(Synthesis Example 4: Acrylic Polymer A-1)
In a polymerization apparatus equipped with a stirrer, a cooling tube and a thermometer, 45 parts of isobornyl acrylate, 5 parts of normal butyl acrylate and 86.2 parts of ethyl acetate were charged, and the atmosphere was replaced with nitrogen by nitrogen bubbling. Then, after raising the internal temperature to 77 ° C., 50 parts of M-1 (polymethyl methacrylate, number average molecular weight 1400) and t-butylperoxy-2-ethylhexanoate (NOF) were added. A mixed solution of 61.8 parts of ethyl acetate (manufactured by Co., Ltd., trade name: Perbutyl O) was added dropwise over 4 hours. Subsequently, a mixed solution of 0.15 parts of 2,2'-azobisisobutyronitrile and 20 parts of ethyl acetate was added and kept at the same temperature for 3 hours to complete the polymerization. After adjusting the viscosity by adding 10 parts of toluene to the obtained polymerization solution, a solid content 36.5% solution of the (meth) acrylic copolymer (A-1) was obtained. The number average molecular weight of this polymer was 4700.
(合成例5:(メタ)アクリル系重合体A−2)
M−1(ポリメタクリル酸メチル、数平均分子量1400)の代わりにM−2(ポリメタクリル酸メチル、数平均分子量3900)を用いた以外は、合成例4と同様にして、(メタ)アクリル系共重合体(A−2)を得た。この重合体の数平均分子量は8200であった。
(Synthesis Example 5: (Meta) Acrylic Polymer A-2)
Similar to Synthesis Example 4, (meth) acrylic type, except that M-2 (polymethyl methacrylate, number average molecular weight 3900) was used instead of M-1 (polymethyl methacrylate, number average molecular weight 1400). A copolymer (A-2) was obtained. The number average molecular weight of this polymer was 8200.
(合成例6:(メタ)アクリル系重合体A−3)
イソボルニルアクリレート45部と、ノルマルブチルアクリレート5部の代わりに4−t−ブチルシクロヘキシルアクリレートを50部用いた以外は、合成例5と同様にして、(メタ)アクリル系共重合体(A−3)を得た。この重合体の数平均分子量は13800であった。
(Synthesis Example 6: (Meta) Acrylic Polymer A-3)
A (meth) acrylic copolymer (A-) was used in the same manner as in Synthesis Example 5, except that 45 parts of isobornyl acrylate and 50 parts of 4-t-butylcyclohexyl acrylate were used instead of 5 parts of normal butyl acrylate. 3) was obtained. The number average molecular weight of this polymer was 13,800.
(合成例7:(メタ)アクリル系重合体A−4)
M−1(ポリメタクリル酸メチル、数平均分子量1400)の代わりにM−3(ポリメタクリル酸メチル、数平均分子量7400)を用いた以外は、合成例4と同様にして、(メタ)アクリル系共重合体(A−4)を得た。この重合体の数平均分子量は15100であった。
(Synthesis Example 7: (Meta) Acrylic Polymer A-4)
Similar to Synthesis Example 4, (meth) acrylic type, except that M-3 (polymethyl methacrylate, number average molecular weight 7400) was used instead of M-1 (polymethyl methacrylate, number average molecular weight 1400). A copolymer (A-4) was obtained. The number average molecular weight of this polymer was 15100.
(合成例8:(メタ)アクリル系重合体A−5)
イソボルニルアクリレート45部と、ノルマルブチルアクリレート5部の代わりに4−t−ブチルシクロヘキシルアクリレートを50部用いた以外は、合成例7と同様にして、(メタ)アクリル系共重合体(A−5)を得た。この重合体の数平均分子量は24300であった。
(Synthesis Example 8: (Meta) Acrylic Polymer A-5)
A (meth) acrylic copolymer (A-) was obtained in the same manner as in Synthesis Example 7, except that 45 parts of isobornyl acrylate and 50 parts of 4-t-butylcyclohexyl acrylate were used instead of 5 parts of normal butyl acrylate. 5) was obtained. The number average molecular weight of this polymer was 24,300.
(メタ)アクリル系共重合体の組成を「表1」に示す。 The composition of the (meth) acrylic copolymer is shown in "Table 1".
nBA:ノルマルブチルアクリレート
TBCHA:4−t−ブチルシクロヘキシルアクリレート
<実施例1〜4および比較例1>
合成例4〜8で得られた(メタ)アクリル系重合体(インキ用樹脂組成物)16.4部に、バインダー樹脂(三菱レイヨン(株)製「BR−106」)11.3部と、二酸化チタン(石原産業(株)製、白色顔料、タイペークCR−95)24部と酢酸エチル30.7部、イソプロピルアルコール17.6部を加え、プラネタリーミキサー((株)シンキー製「自転公転真空ミキサーARV−310」)を用い、2000rpm、室温、処理時間5分の条件にて混合し、酸化チタン分散溶液を得た。この溶液を、OPPフィルム(東洋紡(株)製「パイレンフィルム OT P2108」、厚さ40μm)のコロナ処理面に対して乾燥後厚さ5μmとなるようにバーコーター(No.6)で塗布し、室温にて24時間乾燥し、塗膜を形成した。
<Examples 1 to 4 and Comparative Example 1>
16.4 parts of the (meth) acrylic polymer (resin composition for ink) obtained in Synthesis Examples 4 to 8 and 11.3 parts of a binder resin (“BR-106” manufactured by Mitsubishi Rayon Co., Ltd.) Titanium dioxide (made by Ishihara Sangyo Co., Ltd., white pigment, typek CR-95) 24 parts, ethyl acetate 30.7 parts, isopropyl alcohol 17.6 parts are added, and Planetary Mixer Co., Ltd. Shinky Co., Ltd. "Rotating and revolving vacuum" Using a mixer ARV-310 ”), the mixture was mixed under the conditions of 2000 rpm, room temperature, and treatment time of 5 minutes to obtain a titanium oxide dispersion solution. This solution was applied to the corona-treated surface of OPP film (“Pyrene film OT P2108” manufactured by Toyobo Co., Ltd., thickness 40 μm) with a bar coater (No. 6) so as to have a thickness of 5 μm after drying. It was dried at room temperature for 24 hours to form a coating film.
<密着性評価>
得られた塗膜について「塗膜残存面積率」を評価した。なお、塗膜残存面積率は5回実施した時の平均値を用いた。
<Adhesion evaluation>
The "coating film remaining area ratio" was evaluated for the obtained coating film. As the residual area ratio of the coating film, the average value when the coating film was carried out 5 times was used.
評価結果を「表2」に示す。 The evaluation results are shown in "Table 2".
表に示すように、数平均分子量が低いマクロモノマー(M−1)および(M−2)を用いて合成した(メタ)アクリル系共重合体A−1、A−2、およびA−3を含むインキ組成物(実施例1〜3)は、付着強度が良好である。 As shown in the table, (meth) acrylic copolymers A-1, A-2, and A-3 synthesized using macromonomers (M-1) and (M-2) having a low number average molecular weight were used. The ink composition containing the mixture (Examples 1 to 3) has good adhesion strength.
Claims (8)
前記マクロモノマー(a)の数平均分子量(Mn)が6000以下であり、
前記マクロモノマー(a)は、ラジカル重合性基を1つ有し、かつ下記式(a’)で示される構成単位を2以上有し、
前記単量体混合物(M)は、アクリロイルオキシ基(CH 2 =CHCOO−)またはメタクリロイルオキシ基(CH 2 =C(CH 3 )COO−)が、2級炭素原子または3級炭素原子に結合した、前記マクロモノマー(a)以外の(メタ)アクリル酸エステル単量体を含む、
インキ組成物。
Qは、OR、O 2 CR、ハロゲン、CO 2 H、COR、CO 2 R、CN、CONH 2 、CONHR、CONR 2 およびR’からなる群から選ばれ、
Rは、水素原子、置換および非置換アルキル、置換および非置換アリール、置換および非置換へテロアリール、置換および非置換アラルキル、置換および非置換アルカリール、および置換および非置換オルガノシリルからなる群から選ばれ、置換基は同じであるかまたは異なり、かつカルボン酸、カルボン酸エステル、エポキシ、ヒドロキシル、アルコキシ、1級アミノ、2級アミノ、3級アミノ、イソシアナト、スルホン酸およびハロゲンからなる群から選ばれ、
R’は、置換および非置換アリール、置換および非置換ヘテロアリールからなる芳香族群から選ばれ、置換基は同じであるかまたは異なり、かつカルボン酸、カルボン酸エステル、エポキシ、ヒドロキシル、アルコキシ、1級アミノ、2級アミノ、3級アミノ、イソシアナト、スルホン酸、置換および非置換アルキル、置換および非置換アリール、置換および非置換オレフィン、およびハロゲンからなる群から選ばれる。) Including Ru Oh polymerization product of a monomer mixture comprising the macromonomer (a) (M) (meth) acrylic copolymer (A), Ri ink composition der,
The number average molecular weight of the macromonomer (a) (Mn) is Ri der 6000,
The macromonomer (a) has one radically polymerizable group and has two or more structural units represented by the following formula (a').
In the monomer mixture (M), an acryloyloxy group (CH 2 = CHCOO−) or a methacryloyloxy group (CH 2 = C (CH 3 ) COO−) was bonded to a secondary carbon atom or a tertiary carbon atom. , A (meth) acrylic acid ester monomer other than the macromonomer (a).
Ink composition.
Q is selected from the group consisting of OR, O 2 CR, halogen, CO 2 H, COR, CO 2 R, CN, CONH 2 , CONHR, CONR 2 and R',
R is selected from the group consisting of hydrogen atoms, substituted and unsubstituted alkyls, substituted and unsubstituted aryls, substituted and unsubstituted heteroaryls, substituted and unsubstituted aralkyls, substituted and unsubstituted alkalils, and substituted and unsubstituted organosilyls. The substituents are the same or different and are selected from the group consisting of carboxylic acids, carboxylic acid esters, epoxys, hydroxyls, alkoxys, primary aminos, secondary aminos, tertiary aminos, isocyanatos, sulfonic acids and halogens. ,
R'is selected from the aromatic group consisting of substituted and unsubstituted aryls, substituted and unsubstituted heteroaryls, the substituents are the same or different, and carboxylic acids, carboxylic acid esters, epoxys, hydroxyls, alkoxys, and primary. It is selected from the group consisting of amino, secondary amino, tertiary amino, isocyanato, sulfonic acid, substituted and unsubstituted alkyl, substituted and unsubstituted aryl, substituted and unsubstituted olefin, and halogen. )
Zは、末端基である。
「・・・」は、2以上の前記式(a’)で示される構成単位を含む主鎖部分を示す。) The ink composition according to claim 1 or 2 , wherein the macromonomer (a) is represented by the following formula (2).
Z is a terminal group.
"..." indicates a main chain portion containing two or more structural units represented by the above formula (a'). )
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