JP2007023265A - Inkjet ink for polyvinyl chloride resin sheet - Google Patents
Inkjet ink for polyvinyl chloride resin sheet Download PDFInfo
- Publication number
- JP2007023265A JP2007023265A JP2006161871A JP2006161871A JP2007023265A JP 2007023265 A JP2007023265 A JP 2007023265A JP 2006161871 A JP2006161871 A JP 2006161871A JP 2006161871 A JP2006161871 A JP 2006161871A JP 2007023265 A JP2007023265 A JP 2007023265A
- Authority
- JP
- Japan
- Prior art keywords
- ink
- inkjet ink
- polyvinyl chloride
- chloride resin
- resin
- 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.)
- Granted
Links
- 229920005989 resin Polymers 0.000 title claims abstract description 64
- 239000011347 resin Substances 0.000 title claims abstract description 64
- 229920000915 polyvinyl chloride Polymers 0.000 title claims abstract description 27
- 239000004800 polyvinyl chloride Substances 0.000 title claims abstract description 27
- -1 lactone compound Chemical class 0.000 claims abstract description 38
- 239000000049 pigment Substances 0.000 claims abstract description 38
- HGAZMNJKRQFZKS-UHFFFAOYSA-N chloroethene;ethenyl acetate Chemical compound ClC=C.CC(=O)OC=C HGAZMNJKRQFZKS-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000003960 organic solvent Substances 0.000 claims abstract description 13
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 10
- 150000001875 compounds Chemical class 0.000 claims abstract description 10
- 239000012046 mixed solvent Substances 0.000 claims abstract description 6
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 claims abstract description 5
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims abstract description 5
- 239000002270 dispersing agent Substances 0.000 claims description 15
- 238000009835 boiling Methods 0.000 claims description 8
- 125000004432 carbon atom Chemical group C* 0.000 claims description 8
- 239000003112 inhibitor Substances 0.000 claims description 6
- 230000007062 hydrolysis Effects 0.000 claims description 5
- 238000006460 hydrolysis reaction Methods 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 239000000976 ink Substances 0.000 description 65
- 239000006185 dispersion Substances 0.000 description 18
- 239000000203 mixture Substances 0.000 description 18
- 239000002904 solvent Substances 0.000 description 18
- 239000002253 acid Substances 0.000 description 14
- DNIAPMSPPWPWGF-UHFFFAOYSA-N monopropylene glycol Natural products CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 13
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 9
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 9
- 150000002148 esters Chemical class 0.000 description 9
- 239000000126 substance Substances 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 8
- NQBXSWAWVZHKBZ-UHFFFAOYSA-N 2-butoxyethyl acetate Chemical compound CCCCOCCOC(C)=O NQBXSWAWVZHKBZ-UHFFFAOYSA-N 0.000 description 7
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 6
- 238000009472 formulation Methods 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 6
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 0.000 description 5
- QWOZZTWBWQMEPD-UHFFFAOYSA-N 1-(2-ethoxypropoxy)propan-2-ol Chemical compound CCOC(C)COCC(C)O QWOZZTWBWQMEPD-UHFFFAOYSA-N 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 4
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 4
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000007639 printing Methods 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000004925 Acrylic resin Substances 0.000 description 3
- 229920000178 Acrylic resin Polymers 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 3
- 229910019142 PO4 Inorganic materials 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000000975 dye Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010452 phosphate Substances 0.000 description 3
- 229920000058 polyacrylate Polymers 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- BDNKZNFMNDZQMI-UHFFFAOYSA-N 1,3-diisopropylcarbodiimide Chemical compound CC(C)N=C=NC(C)C BDNKZNFMNDZQMI-UHFFFAOYSA-N 0.000 description 2
- FPZWZCWUIYYYBU-UHFFFAOYSA-N 2-(2-ethoxyethoxy)ethyl acetate Chemical compound CCOCCOCCOC(C)=O FPZWZCWUIYYYBU-UHFFFAOYSA-N 0.000 description 2
- QCAHUFWKIQLBNB-UHFFFAOYSA-N 3-(3-methoxypropoxy)propan-1-ol Chemical compound COCCCOCCCO QCAHUFWKIQLBNB-UHFFFAOYSA-N 0.000 description 2
- OALYTRUKMRCXNH-UHFFFAOYSA-N 5-pentyloxolan-2-one Chemical compound CCCCCC1CCC(=O)O1 OALYTRUKMRCXNH-UHFFFAOYSA-N 0.000 description 2
- OZJPLYNZGCXSJM-UHFFFAOYSA-N 5-valerolactone Chemical compound O=C1CCCCO1 OZJPLYNZGCXSJM-UHFFFAOYSA-N 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 2
- MRABAEUHTLLEML-UHFFFAOYSA-N Butyl lactate Chemical compound CCCCOC(=O)C(C)O MRABAEUHTLLEML-UHFFFAOYSA-N 0.000 description 2
- QOSSAOTZNIDXMA-UHFFFAOYSA-N Dicylcohexylcarbodiimide Chemical compound C1CCCCC1N=C=NC1CCCCC1 QOSSAOTZNIDXMA-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 2
- 229920006243 acrylic copolymer Polymers 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 239000001191 butyl (2R)-2-hydroxypropanoate Substances 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 2
- 150000001733 carboxylic acid esters Chemical class 0.000 description 2
- 238000007334 copolymerization reaction Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- LZCLXQDLBQLTDK-UHFFFAOYSA-N ethyl 2-hydroxypropanoate Chemical compound CCOC(=O)C(C)O LZCLXQDLBQLTDK-UHFFFAOYSA-N 0.000 description 2
- XLLIQLLCWZCATF-UHFFFAOYSA-N ethylene glycol monomethyl ether acetate Natural products COCCOC(C)=O XLLIQLLCWZCATF-UHFFFAOYSA-N 0.000 description 2
- NVVZQXQBYZPMLJ-UHFFFAOYSA-N formaldehyde;naphthalene-1-sulfonic acid Chemical compound O=C.C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 NVVZQXQBYZPMLJ-UHFFFAOYSA-N 0.000 description 2
- GAEKPEKOJKCEMS-UHFFFAOYSA-N gamma-valerolactone Chemical compound CC1CCC(=O)O1 GAEKPEKOJKCEMS-UHFFFAOYSA-N 0.000 description 2
- 238000005227 gel permeation chromatography Methods 0.000 description 2
- 150000002334 glycols Chemical class 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- HJOVHMDZYOCNQW-UHFFFAOYSA-N isophorone Chemical compound CC1=CC(=O)CC(C)(C)C1 HJOVHMDZYOCNQW-UHFFFAOYSA-N 0.000 description 2
- UPHWVVKYDQHTCF-UHFFFAOYSA-N octadecylazanium;acetate Chemical compound CC(O)=O.CCCCCCCCCCCCCCCCCCN UPHWVVKYDQHTCF-UHFFFAOYSA-N 0.000 description 2
- 235000019645 odor Nutrition 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 239000005011 phenolic resin Substances 0.000 description 2
- 229920000570 polyether Polymers 0.000 description 2
- 159000000000 sodium salts Chemical class 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 2
- PHXATPHONSXBIL-UHFFFAOYSA-N xi-gamma-Undecalactone Chemical compound CCCCCCCC1CCC(=O)O1 PHXATPHONSXBIL-UHFFFAOYSA-N 0.000 description 2
- FDKXTQMXEQVLRF-ZHACJKMWSA-N (E)-dacarbazine Chemical compound CN(C)\N=N\c1[nH]cnc1C(N)=O FDKXTQMXEQVLRF-ZHACJKMWSA-N 0.000 description 1
- CUVLMZNMSPJDON-UHFFFAOYSA-N 1-(1-butoxypropan-2-yloxy)propan-2-ol Chemical compound CCCCOCC(C)OCC(C)O CUVLMZNMSPJDON-UHFFFAOYSA-N 0.000 description 1
- KPAPHODVWOVUJL-UHFFFAOYSA-N 1-benzofuran;1h-indene Chemical compound C1=CC=C2CC=CC2=C1.C1=CC=C2OC=CC2=C1 KPAPHODVWOVUJL-UHFFFAOYSA-N 0.000 description 1
- RWNUSVWFHDHRCJ-UHFFFAOYSA-N 1-butoxypropan-2-ol Chemical compound CCCCOCC(C)O RWNUSVWFHDHRCJ-UHFFFAOYSA-N 0.000 description 1
- RRQYJINTUHWNHW-UHFFFAOYSA-N 1-ethoxy-2-(2-ethoxyethoxy)ethane Chemical compound CCOCCOCCOCC RRQYJINTUHWNHW-UHFFFAOYSA-N 0.000 description 1
- CNJRPYFBORAQAU-UHFFFAOYSA-N 1-ethoxy-2-(2-methoxyethoxy)ethane Chemical compound CCOCCOCCOC CNJRPYFBORAQAU-UHFFFAOYSA-N 0.000 description 1
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 description 1
- LWJHSQQHGRQCKO-UHFFFAOYSA-N 1-prop-2-enoxypropane Chemical compound CCCOCC=C LWJHSQQHGRQCKO-UHFFFAOYSA-N 0.000 description 1
- VXQBJTKSVGFQOL-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethyl acetate Chemical compound CCCCOCCOCCOC(C)=O VXQBJTKSVGFQOL-UHFFFAOYSA-N 0.000 description 1
- BJINVQNEBGOMCR-UHFFFAOYSA-N 2-(2-methoxyethoxy)ethyl acetate Chemical compound COCCOCCOC(C)=O BJINVQNEBGOMCR-UHFFFAOYSA-N 0.000 description 1
- DRLRGHZJOQGQEC-UHFFFAOYSA-N 2-(2-methoxypropoxy)propyl acetate Chemical compound COC(C)COC(C)COC(C)=O DRLRGHZJOQGQEC-UHFFFAOYSA-N 0.000 description 1
- COBPKKZHLDDMTB-UHFFFAOYSA-N 2-[2-(2-butoxyethoxy)ethoxy]ethanol Chemical compound CCCCOCCOCCOCCO COBPKKZHLDDMTB-UHFFFAOYSA-N 0.000 description 1
- WFSMVVDJSNMRAR-UHFFFAOYSA-N 2-[2-(2-ethoxyethoxy)ethoxy]ethanol Chemical compound CCOCCOCCOCCO WFSMVVDJSNMRAR-UHFFFAOYSA-N 0.000 description 1
- WAEVWDZKMBQDEJ-UHFFFAOYSA-N 2-[2-(2-methoxypropoxy)propoxy]propan-1-ol Chemical compound COC(C)COC(C)COC(C)CO WAEVWDZKMBQDEJ-UHFFFAOYSA-N 0.000 description 1
- JTXMVXSTHSMVQF-UHFFFAOYSA-N 2-acetyloxyethyl acetate Chemical compound CC(=O)OCCOC(C)=O JTXMVXSTHSMVQF-UHFFFAOYSA-N 0.000 description 1
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 1
- SVONRAPFKPVNKG-UHFFFAOYSA-N 2-ethoxyethyl acetate Chemical compound CCOCCOC(C)=O SVONRAPFKPVNKG-UHFFFAOYSA-N 0.000 description 1
- CRWNQZTZTZWPOF-UHFFFAOYSA-N 2-methyl-4-phenylpyridine Chemical compound C1=NC(C)=CC(C=2C=CC=CC=2)=C1 CRWNQZTZTZWPOF-UHFFFAOYSA-N 0.000 description 1
- LPEKGGXMPWTOCB-UHFFFAOYSA-N 8beta-(2,3-epoxy-2-methylbutyryloxy)-14-acetoxytithifolin Natural products COC(=O)C(C)O LPEKGGXMPWTOCB-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 235000013162 Cocos nucifera Nutrition 0.000 description 1
- 244000060011 Cocos nucifera Species 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- 239000004640 Melamine resin Substances 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- SJEYSFABYSGQBG-UHFFFAOYSA-M Patent blue Chemical compound [Na+].C1=CC(N(CC)CC)=CC=C1C(C=1C(=CC(=CC=1)S([O-])(=O)=O)S([O-])(=O)=O)=C1C=CC(=[N+](CC)CC)C=C1 SJEYSFABYSGQBG-UHFFFAOYSA-M 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- VSMZEBRCBDBBSF-UHFFFAOYSA-N acetic acid propane-1,2-diol Chemical class CC(O)=O.CC(O)=O.CC(O)=O.CC(O)=O.CC(O)CO VSMZEBRCBDBBSF-UHFFFAOYSA-N 0.000 description 1
- 239000000980 acid dye Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229920006271 aliphatic hydrocarbon resin Polymers 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 239000000981 basic dye Substances 0.000 description 1
- VEZXCJBBBCKRPI-UHFFFAOYSA-N beta-propiolactone Chemical compound O=C1CCO1 VEZXCJBBBCKRPI-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 1
- VPKDCDLSJZCGKE-UHFFFAOYSA-N carbodiimide group Chemical group N=C=N VPKDCDLSJZCGKE-UHFFFAOYSA-N 0.000 description 1
- 150000001718 carbodiimides Chemical class 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000012461 cellulose resin Substances 0.000 description 1
- XCJYREBRNVKWGJ-UHFFFAOYSA-N copper(II) phthalocyanine Chemical compound [Cu+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 XCJYREBRNVKWGJ-UHFFFAOYSA-N 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 229940019778 diethylene glycol diethyl ether Drugs 0.000 description 1
- 229940028356 diethylene glycol monobutyl ether Drugs 0.000 description 1
- XXJWXESWEXIICW-UHFFFAOYSA-N diethylene glycol monoethyl ether Chemical compound CCOCCOCCO XXJWXESWEXIICW-UHFFFAOYSA-N 0.000 description 1
- 229940075557 diethylene glycol monoethyl ether Drugs 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 1
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- 238000004090 dissolution Methods 0.000 description 1
- ODQWQRRAPPTVAG-GZTJUZNOSA-N doxepin Chemical compound C1OC2=CC=CC=C2C(=C/CCN(C)C)/C2=CC=CC=C21 ODQWQRRAPPTVAG-GZTJUZNOSA-N 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 229940116333 ethyl lactate Drugs 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- OALYTRUKMRCXNH-QMMMGPOBSA-N gamma-Nonalactone Natural products CCCCC[C@H]1CCC(=O)O1 OALYTRUKMRCXNH-QMMMGPOBSA-N 0.000 description 1
- PHXATPHONSXBIL-JTQLQIEISA-N gamma-Undecalactone Natural products CCCCCCC[C@H]1CCC(=O)O1 PHXATPHONSXBIL-JTQLQIEISA-N 0.000 description 1
- 229940020436 gamma-undecalactone Drugs 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
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- 239000010931 gold Substances 0.000 description 1
- RBTKNAXYKSUFRK-UHFFFAOYSA-N heliogen blue Chemical compound [Cu].[N-]1C2=C(C=CC=C3)C3=C1N=C([N-]1)C3=CC=CC=C3C1=NC([N-]1)=C(C=CC=C3)C3=C1N=C([N-]1)C3=CC=CC=C3C1=N2 RBTKNAXYKSUFRK-UHFFFAOYSA-N 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
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- 229940057867 methyl lactate Drugs 0.000 description 1
- GPZRJTOZLDJPBA-UHFFFAOYSA-N n,n'-bis[2,3-di(propan-2-yl)phenyl]methanediimine Chemical compound CC(C)C1=CC=CC(N=C=NC=2C(=C(C(C)C)C=CC=2)C(C)C)=C1C(C)C GPZRJTOZLDJPBA-UHFFFAOYSA-N 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- JCGNDDUYTRNOFT-UHFFFAOYSA-N oxolane-2,4-dione Chemical compound O=C1COC(=O)C1 JCGNDDUYTRNOFT-UHFFFAOYSA-N 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920005646 polycarboxylate Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000000244 polyoxyethylene sorbitan monooleate Substances 0.000 description 1
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 description 1
- 229920000053 polysorbate 80 Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229960000380 propiolactone Drugs 0.000 description 1
- ILVGAIQLOCKNQA-UHFFFAOYSA-N propyl 2-hydroxypropanoate Chemical compound CCCOC(=O)C(C)O ILVGAIQLOCKNQA-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
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 229920005792 styrene-acrylic resin Polymers 0.000 description 1
- 150000003505 terpenes Chemical class 0.000 description 1
- 235000007586 terpenes Nutrition 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 230000009974 thixotropic effect Effects 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- JLGLQAWTXXGVEM-UHFFFAOYSA-N triethylene glycol monomethyl ether Chemical compound COCCOCCOCCO JLGLQAWTXXGVEM-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 239000001052 yellow pigment Substances 0.000 description 1
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- Ink Jet (AREA)
- Ink Jet Recording Methods And Recording Media Thereof (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
Description
本発明は、安全衛生性に優れ、ポリ塩化ビニル樹脂シートに対して優れた密着性を有し、吐出安定性に優れたインクジェットインキを提供することを目的とする。 An object of the present invention is to provide an inkjet ink that is excellent in safety and hygiene, has excellent adhesion to a polyvinyl chloride resin sheet, and is excellent in ejection stability.
従来、インクジェットインキとしては、酸性染料、直接染料、塩基性染料等の水溶性染料をグリコール系溶剤と水に溶解したものがよく用いられている。しかし、水溶性染料としては、インキの安定性を得るため、水に対する溶解性の高いものが一般的に用いられるので、インクジェット記録物は、一般的に耐水性が悪く、水をこぼしたりすると容易に記録部分の染料のにじみを生じるという問題があった。 Conventionally, ink jet inks in which water-soluble dyes such as acid dyes, direct dyes and basic dyes are dissolved in a glycol solvent and water are often used. However, as water-soluble dyes, those that are highly soluble in water are generally used in order to obtain ink stability. Therefore, inkjet recordings are generally poor in water resistance, and can easily be spilled. However, there was a problem that the dye in the recorded portion bleeds.
耐水性、耐候性を改善するために、高沸点溶剤中に顔料を分散した溶剤系インキが開発されている（特許文献１、特許文献２）。しかし、これらのインキは受像体が非吸収性の場合は、インキ中の溶剤が揮発せず、蒸発による乾燥が困難なため、ポリ塩化ビニル樹脂シートのような非吸収体への印字は不可能である。 In order to improve water resistance and weather resistance, solvent-based inks in which pigments are dispersed in a high boiling point solvent have been developed (Patent Documents 1 and 2). However, these inks cannot be printed on non-absorbers such as polyvinyl chloride resin sheets because the solvent in the ink does not evaporate and drying by evaporation is difficult when the image receiver is non-absorptive. It is.
また、最近ではシクロヘキサノン、イソホロンといったケトン系溶剤や２−ピロリドン、Ｎ−メチル−２−ピロリドンといった含窒素複素環化合物を用い、非吸収性の印刷基材表面を溶解させ定着性を向上させる方法が提案されている（特許文献３、特許文献４）。しかし、これらの溶剤の一部は第二種有機溶剤に該当するため、環境濃度設定、臭気が強いといった問題から局所排気装置が必要となり、また、その溶解性の強さから顔料の溶解やプリンターヘッド材料の腐食がみられ、取り扱いの難しいものばかりであった。 Recently, a method for improving the fixing property by dissolving a non-absorbable printing substrate surface using a ketone solvent such as cyclohexanone or isophorone or a nitrogen-containing heterocyclic compound such as 2-pyrrolidone or N-methyl-2-pyrrolidone has been proposed. It has been proposed (Patent Documents 3 and 4). However, some of these solvents fall under the category 2 organic solvents, so a local exhaust system is required due to problems such as environmental concentration settings and strong odors. Also, due to their high solubility, pigment dissolution and printers are required. Corrosion of the head material was observed, and it was only difficult to handle.
また、屋外広告等のインクジェット印刷用の基材としては、その耐候性や耐アルコール性、耐ガソリン性、耐洗剤性等の耐薬品性が良好なことから専らポリ塩化ビニル樹脂が使用されている。このため、インクジェットインキのバインダー樹脂としては、ポリ塩化ビニル樹脂基材に対する密着性、耐候性および耐薬品性を兼ね備えた塩化ビニル-酢酸ビニル系樹脂が使用される。例えば、塩化ビニル-酢酸ビニル系樹脂をポリオキシエチレングリコールジアルキルエーテルに溶解したインクジェットインキも知られているが(特許文献５)、ポリオキシエチレングリコールジアルキルエーテルは塩化ビニル-酢酸ビニル系樹脂の溶解性に乏しく、インキがチキソトロピックとなって吐出安定性が悪くなるという問題点があり、溶解性向上のためにアルコール変性塩化ビニル-酢酸ビニル系樹脂を使用するとインキ皮膜の耐アルコール性が低下するという問題点があった。
本発明は、密着性、吐出安定性に優れたポリ塩化ビニル樹脂シート用インクジェットインキの提供を目的とする。 An object of this invention is to provide the inkjet ink for polyvinyl chloride resin sheets excellent in adhesiveness and discharge stability.
本発明は、有機溶剤、顔料および塩化ビニル-酢酸ビニル樹脂からなるインクジェットインキにおいて、該有機溶剤が下記一般式（１）または一般式(２)で示される化合物から選ばれる少なくとも一種の化合物、並びにラクトン化合物を含む混合溶剤であり、該ラクトン化合物が、インキ全量に対し１〜４０重量％含有することを特徴とするポリ塩化ビニル樹脂シート用インクジェットインキに関する。
ＣＨ３ＣＯ（ＯＲ１）ｍＯＲ２ （１）
ＣＨ３ＣＨ２（ＯＨ）ＣＯＯＲ3 （２）
（式中、Ｒ１はエチレン基またはプロピレン基、Ｒ２は炭素数１〜４のアルキル基、Ｒ3は炭素数１〜８のアルキル基、ｍは１〜３の整数を表す。）
The present invention relates to an inkjet ink comprising an organic solvent, a pigment, and a vinyl chloride-vinyl acetate resin, wherein the organic solvent is at least one compound selected from compounds represented by the following general formula (1) or general formula (2), and The present invention relates to an inkjet ink for a polyvinyl chloride resin sheet, which is a mixed solvent containing a lactone compound, and the lactone compound is contained in an amount of 1 to 40% by weight based on the total amount of the ink.
CH 3 CO (OR 1 ) m OR 2 (1)
CH 3 CH 2 (OH) COOR 3 (2)
(In the formula, R 1 represents an ethylene group or a propylene group, R 2 represents an alkyl group having 1 to 4 carbon atoms, R 3 represents an alkyl group having 1 to 8 carbon atoms, and m represents an integer of 1 to 3).
更に本発明は、ラクトン化合物の１気圧における沸点が１５０℃以上である上記ポリ塩化ビニル樹脂シート用インクジェットインキに関する。 Furthermore, this invention relates to the said inkjet ink for polyvinyl chloride resin sheets whose boiling point in 1 atmosphere of a lactone compound is 150 degreeC or more.
更に本発明は、有機溶剤が一般式（１）で示される化合物及びラクトン化合物を含む混合溶剤である上記ポリ塩化ビニル樹脂シート用インクジェットインキに関する。 Furthermore, this invention relates to the said inkjet ink for polyvinyl chloride resin sheets whose organic solvent is a mixed solvent containing the compound and lactone compound which are shown by General formula (1).
更に本発明は、ラクトン化合物の加水分解防止剤を含む上記ポリ塩化ビニル樹脂シート用インクジェットインキに関する。 Furthermore, this invention relates to the said inkjet ink for polyvinyl chloride resin sheets containing the hydrolysis inhibitor of a lactone compound.
更に本発明は、分散剤を含む上記ポリ塩化ビニル樹脂用インクジェットインキに関する。 Furthermore, this invention relates to the said inkjet ink for polyvinyl chloride resins containing a dispersing agent.
本発明により、第二種有機則に非該当で臭気が少なく、局所排気装置等が不必要となり、かつプリンターヘッド材料に対する腐食のない密着性、吐出安定性に優れたポリ塩化ビニル樹脂シート用インクジェットインキを提供することができた。 According to the present invention, an inkjet for a polyvinyl chloride resin sheet that does not correspond to the organic law of the second type, has little odor, does not require a local exhaust device, and has excellent adhesion and discharge stability without corrosion to the printer head material. Ink could be provided.
本発明のポリ塩化ビニル樹脂シート用インクジェットインキでは、該有機溶剤が下記一般式（１）または一般式(２)で示される化合物から選ばれる少なくとも一種の化合物、並びにラクトン化合物を含む混合溶剤であり、該ラクトン化合物が、インキ全量に対し１〜４０重量％含有することを特徴とする。
ＣＨ３ＣＯ（ＯＲ１）ｍＯＲ２ （１）
ＣＨ３ＣＨ２（ＯＨ）ＣＯＯＲ3 （２）
（式中、Ｒ１はエチレン基またはプロピレン基、Ｒ２は炭素数１〜４のアルキル基、Ｒ3は炭素数１〜８のアルキル基、ｍは１〜３の整数を表す。）
一般式（２）及び一般式（２）に示される溶剤は塩化ビニル樹脂を全く溶解しないか、あるいはほとんど溶解しない。本発明のインクジェットインキにおいては、ラクトン化合物をインキ全量に対し１〜４０重量％含有することが良いが、さらに好ましくは３〜３５重量％含有するのが良い。ラクトン化合物をインキ中に添加することによって、被印刷物であるポリ塩化ビニル樹脂シートの表面を僅かに溶解し、インキの密着性を著しく高めるものである。ラクトン化合物の含有量が少なすぎると目的の密着性が得られず、多すぎるとポリ塩化ビニル樹脂シートの表面を溶かしすぎてしまい、印刷物の表面に凹凸が生じたり、光沢の低下を招く。
In the inkjet ink for a polyvinyl chloride resin sheet of the present invention, the organic solvent is a mixed solvent containing at least one compound selected from the compounds represented by the following general formula (1) or general formula (2), and a lactone compound. The lactone compound is contained in an amount of 1 to 40% by weight based on the total amount of the ink.
CH 3 CO (OR 1 ) m OR 2 (1)
CH 3 CH 2 (OH) COOR 3 (2)
(In the formula, R 1 represents an ethylene group or a propylene group, R 2 represents an alkyl group having 1 to 4 carbon atoms, R 3 represents an alkyl group having 1 to 8 carbon atoms, and m represents an integer of 1 to 3).
The solvents represented by the general formula (2) and the general formula (2) do not dissolve the vinyl chloride resin at all or hardly dissolve it. In the ink-jet ink of the present invention, the lactone compound is preferably contained in an amount of 1 to 40% by weight, more preferably 3 to 35% by weight, based on the total amount of the ink. By adding a lactone compound into the ink, the surface of the polyvinyl chloride resin sheet, which is the printing material, is slightly dissolved, and the adhesion of the ink is remarkably enhanced. If the content of the lactone compound is too small, the desired adhesion cannot be obtained. If the content is too large, the surface of the polyvinyl chloride resin sheet is dissolved too much, resulting in unevenness on the surface of the printed matter or a decrease in gloss.
本発明に使用するラクトン化合物の１気圧における沸点は１５０℃以上のものが良いが、好ましくは沸点２００℃以上、更に好ましくは２５０℃以下のものが良い。１気圧における沸点が１５０℃より低いと印刷後の乾燥が早く、ポリ塩化ビニル樹脂シートの表面を溶解する前にこの溶剤が揮発し、充分な密着性を得ることができない。沸点が高い分には基本的に問題は無いが、使用するプリンターの乾燥装置等の性能上２５０℃以下の沸点のものを使用するのが良い。 The boiling point at 1 atm of the lactone compound used in the present invention is preferably 150 ° C. or higher, preferably 200 ° C. or higher, more preferably 250 ° C. or lower. When the boiling point at 1 atm is lower than 150 ° C., drying after printing is quick, and the solvent volatilizes before the surface of the polyvinyl chloride resin sheet is dissolved, so that sufficient adhesion cannot be obtained. Although there is basically no problem with a high boiling point, it is preferable to use a boiling point of 250 ° C. or less in view of the performance of the drying apparatus of the printer to be used.
ラクトン化合物の具体例としては、β−プロピオラクトン、γ−ブチロラクトン、γ−バレロラクトン、γ−ノナラクトン、γ−ウンデカラクトン、δ−バレロラクトン、ε−カプロラクトン等があげられる。 Specific examples of the lactone compound include β-propiolactone, γ-butyrolactone, γ-valerolactone, γ-nonalactone, γ-undecalactone, δ-valerolactone, and ε-caprolactone.
主溶剤として用いるポリ塩化ビニル樹脂を全く溶解しないか、ほとんど溶解しない溶剤としては、上記にあげた性状を有するラクトン化合物以外の溶剤であれば特に制限を受けるものでは無いが、インクジェットインキとして安定してインキを吐出させるためには１気圧における沸点が１４０℃以上のものを使用するのが好ましい。 A solvent that does not dissolve or hardly dissolve the polyvinyl chloride resin used as the main solvent is not particularly limited as long as it is a solvent other than the lactone compound having the above-mentioned properties, but is stable as an inkjet ink. In order to discharge the ink, it is preferable to use an ink having a boiling point of 140 ° C. or higher at 1 atm.
このような溶剤としては、下記一般式（１）又は一般式（２）で示される溶剤がある。
ＣＨ３ＣＯ（ＯＲ１）ｍＯＲ２ （１）
ＣＨ３ＣＨ２（ＯＨ）ＣＯＯＲ3 （２）
（式中、Ｒ１はエチレン基またはプロピレン基、Ｒ２は炭素数１〜４のアルキル基、Ｒ3は炭素数１〜８のアルキル基、ｍは１〜３の整数を表す。）
As such a solvent, there is a solvent represented by the following general formula (1) or general formula (2).
CH 3 CO (OR 1 ) m OR 2 (1)
CH 3 CH 2 (OH) COOR 3 (2)
(In the formula, R 1 represents an ethylene group or a propylene group, R 2 represents an alkyl group having 1 to 4 carbon atoms, R 3 represents an alkyl group having 1 to 8 carbon atoms, and m represents an integer of 1 to 3).
一般式（１）に該当する溶剤としては、エチレングリコールモノメチルエーテルアセテート、エチレングリコールモノエチルエーテルアセテート、エチレングリコールモノブチルエーテルアセテート、ジエチレングリコールモノメチルエーテルアセテート、ジエチレングリコールモノエチルエーテルアセテート、ジエチレングリコールモノブチルエーテルアセテート、プロピレングリコールモノメチルエーテルアセテート、ジ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グリコールアセテート類がある。 Solvents corresponding to general formula (1) include ethylene glycol monomethyl ether acetate, ethylene glycol monoethyl ether acetate, ethylene glycol monobutyl ether acetate, diethylene glycol monomethyl ether acetate, diethylene glycol monoethyl ether acetate, diethylene glycol monobutyl ether acetate, propylene glycol monomethyl. There are glycol acetates such as ether acetate and dipropylene glycol monomethyl ether acetate.
一般式（２）に該当する溶剤としては、乳酸メチル、乳酸エチル、乳酸プロピル、乳酸ブチル等のエステル類があげられる。 Examples of the solvent corresponding to the general formula (2) include esters such as methyl lactate, ethyl lactate, propyl lactate, and butyl lactate.
上記溶剤の他に、本発明のインクジェットインキに用いられる任意の溶剤として、例えば、エチレングリコール、ジエチレングリコール、トリエチレングリコール、プロピレングリコール、ジプロピレングリコール等のグリコール類、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、プロピレングリコールモノブチルエーテル、ジエチレングリコールモノエチルエーテル、ジエチレングリコールジエチルエーテル、ジエチレングリコールモノブチルエーテル、ジエチレングリコールジブチルエーテル、ジエチレングリコールメチルエチルエーテル、ジプロピレングリコールモノメチルエーテル、ジプロピレングリコールモノエチルエーテル、ジプロピ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−ｎ−プロピルエーテル、トリエチレングリコールモノメチルエーテル、トリエチレングリコールモノエチルエーテル、トリエチレングリコールモノブチルエーテル、トリ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エーテル類、エチレングリコールジアセテート、プロピレングリコールジアセテート等のグリコールジアセテート類を配合してもよい。 In addition to the above solvent, as an optional solvent used in the inkjet ink of the present invention, for example, glycols such as ethylene glycol, diethylene glycol, triethylene glycol, propylene glycol, dipropylene glycol, ethylene glycol monobutyl ether, propylene glycol monomethyl ether , Propylene glycol monobutyl ether, diethylene glycol monoethyl ether, diethylene glycol diethyl ether, diethylene glycol monobutyl ether, diethylene glycol dibutyl ether, diethylene glycol methyl ethyl ether, dipropylene glycol monomethyl ether, dipropylene glycol monoethyl ether, dipropylene glycol monobutyl ether, propylene glycol Glycol ethers such as allyl-n-propyl ether, triethylene glycol monomethyl ether, triethylene glycol monoethyl ether, triethylene glycol monobutyl ether, tripropylene glycol monomethyl ether, glycols such as ethylene glycol diacetate and propylene glycol diacetate Diacetates may be blended.
本発明に使用される顔料は、印刷インキ、塗料等に使用される種々の顔料が使用できる。このような顔料をカラーインデックスで示すと、ピグメントブラック７、ピグメントブルー１５，１５：１，１５：３，１５：４，１５：６，６０、ピグメントグリーン７，３６、ピグメントレッド９，４８，４９，５２，５３，５７，９７，１２２，１４９，１６８，１７７，１７８，１７９，２０６，２０７，２０９，２４２，２５４，２５５、ピグメントバイオレット１９，２３，２９，３０，３７，４０，５０、ピグメントイエロー１２，１３，１４，１７，２０，２４，７４，８３，８６，９３，９４，９５，１０９，１１０，１１７，１２０，１２５，１２８，１３７，１３８，１３９，１４７，１４８，１５０，１５１，１５４，１５５，１６６，１６８，１８０，１８５、ピグメントオレンジ３６，４３，５１，５５，５９，６１，７１，７４等があげられる。また、カーボンブラックについては中性、酸性、塩基性等のあらゆるカーボンブラックを使用することができる。顔料はインキ中に０．１〜１０重量％含まれることが望ましい。 As the pigment used in the present invention, various pigments used in printing inks, paints and the like can be used. When these pigments are represented by color index, Pigment Black 7, Pigment Blue 15, 15: 1, 15: 3, 15: 4, 15: 6, 60, Pigment Green 7, 36, Pigment Red 9, 48, 49 , 52, 53, 57, 97, 122, 149, 168, 177, 178, 179, 206, 207, 209, 242, 254, 255, pigment violet 19, 23, 29, 30, 37, 40, 50, pigment Yellow 12, 13, 14, 17, 20, 24, 74, 83, 86, 93, 94, 95, 109, 110, 117, 120, 125, 128, 137, 138, 139, 147, 148, 150, 151 , 154, 155, 166, 168, 180, 185, pigment orange 36, 43, 51, 55, 59 61,71,74, and the like. As for carbon black, any carbon black such as neutral, acidic and basic can be used. The pigment is desirably contained in the ink in an amount of 0.1 to 10% by weight.
本発明ではポリ塩化ビニル樹脂シートへの密着性をさらに向上させるために塩化ビニル−酢酸ビニル系樹脂を添加する。塩化ビニル‐酢酸ビニル系樹脂の重量平均分子量は、１０，０００〜５０，０００が好ましい。塩化ビニルと酢酸ビニルの共重合比（重量比）は塩化ビニル：酢酸ビニル＝８０：２０〜９５：５が好ましい。なお、重量平均分子量は、ＧＰＣ（ゲルパーミッションクロマトグラフィ）により測定したポリスチレン換算値である。本発明における塩化ビニルアルコール変性や酸変性をしたものでも良いが、好ましくは未変性の樹脂である。具体例としては、ダウケミカルズ社製ユーカソリューションビニル樹脂ＶＹＨＤ、ＶＹＨＨ、ＶＭＣＡ等が挙げられる。塩化ビニル−酢酸ビニル系樹脂は、インキ中にインキ全量に対し０．１〜１０重量％含まれることが好ましい。 In the present invention, a vinyl chloride-vinyl acetate resin is added to further improve the adhesion to the polyvinyl chloride resin sheet. The weight average molecular weight of the vinyl chloride-vinyl acetate resin is preferably 10,000 to 50,000. The copolymerization ratio (weight ratio) of vinyl chloride and vinyl acetate is preferably vinyl chloride: vinyl acetate = 80: 20 to 95: 5. The weight average molecular weight is a polystyrene equivalent value measured by GPC (gel permeation chromatography). Although it may be modified with vinyl chloride alcohol or acid modified in the present invention, it is preferably an unmodified resin. Specific examples include Yuka Solution vinyl resins VYHD, VYHH, VMCA and the like manufactured by Dow Chemicals. The vinyl chloride-vinyl acetate resin is preferably contained in the ink in an amount of 0.1 to 10% by weight based on the total amount of the ink.
本発明では塩化ビニル‐酢酸ビニル系樹脂以外の樹脂を併用することができる。使用できる樹脂としては、アクリル系樹脂、スチレン−アクリル系樹脂、スチレン−マレイン酸系樹脂、ロジン系樹脂、ロジンエステル系樹脂、エチレン−酢ビ系樹脂、石油樹脂、クマロンインデン系樹脂、テルペンフェノール系樹脂、フェノール樹脂、ウレタン樹脂、メラミン樹脂、尿素樹脂、エポキシ系樹脂、セルロース系樹脂、塩酢ビ系樹脂、キシレン樹脂、アルキッド樹脂、脂肪族炭化水素樹脂、ブチラール樹脂、マレイン酸樹脂、フマル酸樹脂等が挙げられる。 In the present invention, a resin other than vinyl chloride-vinyl acetate resin can be used in combination. Usable resins include acrylic resin, styrene-acrylic resin, styrene-maleic resin, rosin resin, rosin ester resin, ethylene-vinyl acetate resin, petroleum resin, coumarone indene resin, terpene phenol Resin, phenol resin, urethane resin, melamine resin, urea resin, epoxy resin, cellulose resin, vinyl acetate resin, xylene resin, alkyd resin, aliphatic hydrocarbon resin, butyral resin, maleic acid resin, fumaric acid Examples thereof include resins.
本発明では、インキの保存安定性を向上させるためにラクトン化合物の加水分解防止剤を添加するのが好ましい。加水分解防止剤としては、カルボジイミド等を用いることができる。例えば、ビス（ジイソプロピルフェニル）カルボジイミド、１，３−ジイソプロピルカルボジイミド、ジシクロヘキシルカルボジイミド、カルボジイミド基持つポリマーが挙げられる。具体例としては、川口化学工業製ＤＩＰＣ、ＤＩＣ、ＤＣＣ、日清紡績株式会社製のカルボジライトＶ-０１、Ｖ‐０２、Ｖ‐０２‐Ｌ２、Ｖ‐０３、Ｖ‐０４、Ｖ-０５、Ｖ‐０７、Ｖ‐０９、Ｅ‐０１、Ｅ‐０２、ｒｈｅｉｎｃｈｅｍｉｅ社製ＳｔａｂａｘｏｌＩ、Ｐ、Ｐ-１００、Ｐ‐２００、Ｐ‐２５０、０１１５が挙げられる。加水分解防止剤はインキ中に０．０１〜５．０重量％含まれることが好ましい。 In the present invention, it is preferable to add a hydrolysis inhibitor of a lactone compound in order to improve the storage stability of the ink. As the hydrolysis inhibitor, carbodiimide or the like can be used. Examples thereof include polymers having bis (diisopropylphenyl) carbodiimide, 1,3-diisopropylcarbodiimide, dicyclohexylcarbodiimide, and carbodiimide groups. Specific examples include DIPC, DIC, DCC manufactured by Kawaguchi Chemical Industries, Carbodilite V-01, V-02, V-02-L2, V-03, V-04, V-05, V- manufactured by Nisshinbo Industries, Ltd. 07, V-09, E-01, E-02, Stabaxol I, P, P-100, P-200, P-250, 0115 manufactured by Rheinchemie. The hydrolysis inhibitor is preferably contained in the ink in an amount of 0.01 to 5.0% by weight.
本発明では、顔料の分散性およびインキの保存安定性を向上させるために分散剤を添加するのが好ましい。分散剤としては、水酸基含有カルボン酸エステル、長鎖ポリアミノアマイドと高分子量酸エステルの塩、高分子量ポリカルボン酸の塩、長鎖ポリアミノアマイドと極性酸エステルの塩、高分子量不飽和酸エステル、高分子共重合物、変性ポリウレタン、変性ポリアクリレート、ポリエーテルエステル型アニオン系活性剤、ナフタレンスルホン酸ホルマリン縮合物塩、芳香族スルホン酸ホルマリン縮合物塩、ポリオキシエチレンアルキルリン酸エステル、ポリオキシエチレンノニルフェニルエーテル、ステアリルアミンアセテート等を用いることができる。 In the present invention, it is preferable to add a dispersant in order to improve the dispersibility of the pigment and the storage stability of the ink. Examples of the dispersant include a hydroxyl group-containing carboxylic acid ester, a salt of a long-chain polyaminoamide and a high molecular weight acid ester, a salt of a high molecular weight polycarboxylic acid, a salt of a long chain polyaminoamide and a polar acid ester, a high molecular weight unsaturated acid ester, Molecular copolymer, modified polyurethane, modified polyacrylate, polyether ester type anionic activator, naphthalene sulfonic acid formalin condensate salt, aromatic sulfonic acid formalin condensate salt, polyoxyethylene alkyl phosphate ester, polyoxyethylene nonyl Phenyl ether, stearylamine acetate, etc. can be used.
分散剤の具体例としては、ＢＹＫ Ｃｈｅｍｉｅ社製「Ａｎｔｉ−Ｔｅｒｒａ−Ｕ（ポリアミノアマイド燐酸塩）」、「Ａｎｔｉ−Ｔｅｒｒａ−２０３／２０４（高分子量ポリカルボン酸塩）」、「Ｄｉｓｐｅｒｂｙｋ−１０１（ポリアミノアマイド燐酸塩と酸エステル）、１０７（水酸基含有カルボン酸エステル）、１１０、１１１（酸基を含む共重合物）、１３０（ポリアマイド）、１６１、１６２、１６３、１６４、１６５、１６６、１７０（高分子共重合物）」、「Ｂｙｋｕｍｅｎ（高分子量不飽和酸エステル）」、「ＢＹＫ−Ｐ１０４、Ｐ１０５（高分子量不飽和酸ポリカルボン酸）」、「Ｐ１０４Ｓ、２４０Ｓ（高分子量不飽和酸ポリカルボン酸とシリコン系）」、「Ｌａｃｔｉｍｏｎ（長鎖アミンと不飽和酸ポリカルボン酸とシリコン）」が挙げられる。 Specific examples of the dispersant include “Anti-Terra-U (polyaminoamide phosphate)”, “Anti-Terra-203 / 204 (high molecular weight polycarboxylate)”, “Disperbyk-101” (polyamino) manufactured by BYK Chemie. Amide phosphate and acid ester), 107 (hydroxyl group-containing carboxylic acid ester), 110, 111 (copolymer containing acid group), 130 (polyamide), 161, 162, 163, 164, 165, 166, 170 (high Molecular copolymer) ”,“ Bykumen (high molecular weight unsaturated acid ester) ”,“ BYK-P104, P105 (high molecular weight unsaturated acid polycarboxylic acid) ”,“ P104S, 240S (high molecular weight unsaturated acid polycarboxylic acid) And Lactimon (long chain amine, unsaturated acid polycarboxylic acid and silane) Recon) ”.
また、Ｅｆｋａ ＣＨＥＭＩＣＡＬＳ社製「エフカ４４、４６、４７、４８、４９、５４、６３、６４、６５、６６、７１、７０１、７６４、７６６」、「エフカポリマー１００（変性ポリアクリレート）、１５０（脂肪族系変性ポリマー）、４００、４０１、４０２、４０３、４５０、４５１、４５２、４５３（変性ポリアクリレート）、７４５（銅フタロシアニン系）」、共栄社化学社製「フローレン ＴＧ−７１０（ウレタンオリゴマー）、「フローノンＳＨ−２９０、ＳＰ−１０００」、「ポリフローＮｏ．５０Ｅ、Ｎｏ．３００（アクリル系共重合物）」、楠本化成社製「ディスパロン ＫＳ−８６０、８７３ＳＮ、８７４（高分子分散剤）、＃２１５０（脂肪族多価カルボン酸）、＃７００４（ポリエーテルエステル型）」が挙げられる。 Also, “Efka CHEMICALS” “Efka 44, 46, 47, 48, 49, 54, 63, 64, 65, 66, 71, 701, 764, 766”, “Efka Polymer 100 (modified polyacrylate), 150 (aliphatic) System modified polymer), 400, 401, 402, 403, 450, 451, 452, 453 (modified polyacrylate), 745 (copper phthalocyanine system) ", Kyoeisha Chemical Co., Ltd." Floren TG-710 (urethane oligomer), "Flownon “SH-290, SP-1000”, “Polyflow No. 50E, No. 300 (acrylic copolymer)”, “Disparon KS-860, 873SN, 874 (polymer dispersing agent), # 2150 (manufactured by Enomoto Kasei Co., Ltd.) Aliphatic polyvalent carboxylic acid), # 7004 (polyether ester type) ” That.
さらに、花王社製「デモールＲＮ、Ｎ（ナフタレンスルホン酸ホルマリン縮合物ナトリウム塩）、ＭＳ、Ｃ、ＳＮ−Ｂ（芳香族スルホン酸ホルマリン縮合物ナトリウム塩）、ＥＰ」、「ホモゲノールＬ−１８（ポリカルボン酸型高分子）、「エマルゲン９２０、９３０、９３１、９３５、９５０、９８５（ポリオキシエチレンノニルフェニルエーテル）、「アセタミン２４（ココナッツアミンアセテート）、８６（ステアリルアミンアセテート）」、アビシア社製「ソルスパーズ５０００（フタロシアニンアンモニウム塩系）、１３９４０（ポリエステルアミン系）、１７０００（脂肪酸アミン系）、２４０００」、日光ケミカル社製「ニッコール Ｔ１０６（ポリオキシエチレンソルビタンモノオレート）、ＭＹＳ−ＩＥＸ（ポリオキシエチレンモノステアレート）、Ｈｅｘａｇｌｉｎｅ ４−０（ヘキサグリセリルテトラオレート）」、味の素ファインテクノ社製「アジスパーＰＢ８２１、ＰＢ８２２（塩基性分散剤）」等が挙げられる。分散剤はインキ中に０．１〜１０重量％含まれることが好ましい。 Further, “Demol RN, N (Naphthalenesulfonic acid formalin condensate sodium salt), MS, C, SN-B (aromatic sulfonic acid formalin condensate sodium salt), EP”, “Homogenol L-18 (poly) Carboxylic acid type polymer), “Emulgen 920, 930, 931, 935, 950, 985 (polyoxyethylene nonylphenyl ether)”, “Acetamine 24 (coconut amine acetate), 86 (stearyl amine acetate)”, “Abisia” Solspers 5000 (phthalocyanine ammonium salt type), 13940 (polyesteramine type), 17000 (fatty acid amine type), 24000 "," Nikkor T106 (polyoxyethylene sorbitan monooleate), MYS-IEX (polyoxyethylene) manufactured by Nikko Chemical Co., Ltd. " Renmonostearate), Hexagline 4-0 (hexaglyceryl tetraoleate) "," Ajisper PB821, PB822 (basic dispersant) "manufactured by Ajinomoto Fine Techno Co., etc. The dispersant is preferably contained in the ink in an amount of 0.1 to 10% by weight.
本発明のインクジェットインキは可塑剤、表面調整剤、紫外線防止剤、光安定化剤、酸化防止剤等の種々の添加剤を使用することができる。 The ink-jet ink of the present invention can use various additives such as a plasticizer, a surface conditioner, an ultraviolet light inhibitor, a light stabilizer, and an antioxidant.
本発明のインクジェットインキは、まず始めにペイントシェーカー、サンドミル、ロールミル、メディアレス分散機等によって、単一もしくは混合溶媒中に顔料を樹脂または分散剤によって分散し、得られた顔料分散体を本発明の溶剤で希釈して製造されるものである。
[実施例]
The inkjet ink of the present invention is obtained by first dispersing a pigment in a single or mixed solvent with a resin or a dispersant by using a paint shaker, sand mill, roll mill, medialess disperser, etc. It is manufactured by diluting with a solvent.
[Example]
以下、実施例をあげて本発明を具体的に説明するが、本発明は実施例に特に限定されるものではない。なお、実施例中、「部」は「重量部」を表す。 EXAMPLES Hereinafter, the present invention will be specifically described with reference to examples, but the present invention is not particularly limited to the examples. In the examples, “part” represents “part by weight”.
まず、下記のような配合で顔料分散体Ａを作成した。この分散体は有機溶剤中に顔料および分散剤を投入し、ハイスピードミキサー等で均一になるまで撹拌後、得られたミルベースを横型サンドミルで約１時間分散して作成した。
・ＬＩＯＮＯＬ ＢＬＵＥ ＦＧ−７４００Ｇ（東洋インキ製造社製 フタロシアニン顔料）３５．０部
・アジスパーＰＢ８２１（味の素ファインテクノ社製 顔料分散剤）１２．５部
・ エチレングリコールモノブチルエーテルアセテート ５２．５部
First, Pigment Dispersion A was prepared with the following composition. This dispersion was prepared by adding a pigment and a dispersant into an organic solvent, stirring until uniform with a high speed mixer or the like, and dispersing the obtained mill base with a horizontal sand mill for about 1 hour.
・ LIONOL BLUE FG-7400G (phthalocyanine pigment manufactured by Toyo Ink Manufacturing Co., Ltd.) 35.0 parts ・ Azisper PB821 (pigment dispersant manufactured by Ajinomoto Fine Techno Co.) 12.5 parts ・ Ethylene glycol monobutyl ether acetate 52.5 parts
更に、下記のような配合で顔料分散体Ｂを作成した。この分散体は有機溶剤中に顔料および分散剤を投入し、ハイスピードミキサー等で均一になるまで撹拌後、得られたミルベースを横型サンドミルで約１．５時間分散して作成した。
・ ＹＥＬＬＯＷ ＰＩＧＭＥＮＴ Ｅ４ＧＮ（バイエル社製 ニッケル錯体アゾ顔料） ３０．０部
・ソルスパーズ１７０００（アビシア社製 顔料分散剤）１６．５部
・エチレングリコールモノブチルエーテルアセテート ５３．５部
Further, Pigment Dispersion B was prepared with the following composition. This dispersion was prepared by adding a pigment and a dispersant to an organic solvent, stirring the mixture with a high speed mixer or the like until uniform, and then dispersing the obtained mill base with a horizontal sand mill for about 1.5 hours.
・ YELLOW PIGMENT E4GN (Nickel complex azo pigment made by Bayer) 30.0 parts ・ Solspers 17000 (pigment dispersant made by Avicia) 16.5 parts ・ Ethylene glycol monobutyl ether acetate 53.5 parts
更に、下記のような配合で顔料分散体Ｃを作成した。この分散体は有機溶剤中に顔料および分散剤を投入し、ハイスピードミキサー等で均一になるまで撹拌後、得られたミルベースを横型サンドミルで約２時間分散して作成した。
・ Ｃｒｏｍｏｐｈｔａｌ Ｐｉｎｋ ＰＴ（チバスペシャルティーケミカルズ社製
キナクリドン顔料）３２．０部
・ソルスパーズ２４０００（アビシア社製 顔料分散剤）１２．８部
・ジプロピレングリコールモノエチルエーテル５５．２部
Further, Pigment Dispersion C was prepared with the following composition. This dispersion was prepared by adding a pigment and a dispersant into an organic solvent, stirring the mixture with a high speed mixer or the like until uniform, and then dispersing the resulting mill base with a horizontal sand mill for about 2 hours.
・ Chrophtal Pink PT (Cinacridone pigment manufactured by Ciba Specialty Chemicals) 32.0 parts ・ Solspers 24000 (Avisia pigment dispersant) 12.8 parts ・ Dipropylene glycol monoethyl ether 55.2 parts
上記顔料分散体を下記配合処方にてインキ化し、インクジェットインキを得た。
・顔料分散体Ａ １１．４部
・塩化ビニル−酢酸ビニル樹脂ＶＹＨＤ（ダウケミカルズ社製 重量平均分子量２２，０００、共重合比（重量比）塩化ビニル：酢酸ビニル＝８６：１４）４．５部
・ＢＹＫ−３６１Ｎ（ＢＹＫ Ｃｈｅｍｉｅ社製 アクリル樹脂）０．５部
・エチレングリコールモノブチルエーテルアセテート ７８．６部
・γ−ブチロラクトン ５．０部
The pigment dispersion was converted into an ink with the following formulation to obtain an inkjet ink.
Pigment dispersion A 11.4 parts Vinyl chloride-vinyl acetate resin VYHD (Dow Chemicals, weight average molecular weight 22,000, copolymerization ratio (weight ratio) vinyl chloride: vinyl acetate = 86: 14) 4.5 parts BYK-361N (acrylic resin manufactured by BYK Chemie) 0.5 part Ethylene glycol monobutyl ether acetate 78.6 parts Gamma-butyrolactone 5.0 parts
上記顔料分散体を下記配合処方にてインキ化し、インクジェットインキを得た。
・顔料分散体Ｂ １６．７部
・塩化ビニル‐酢酸ビニル樹脂ＶＹＨＤ ３．５部
・エチレングリコールモノブチルエーテルアセテート ４９．５部
・ε−カプロラクトン ３０．０部
・ＳｔａｂａｘｏｌＩ（ｒｈｅｉｎｃｈｅｍｉｅ社製ポリカルボジイミド０．３部
The pigment dispersion was converted into an ink with the following formulation to obtain an inkjet ink.
Pigment dispersion B 16.7 parts Vinyl chloride-vinyl acetate resin VYHD 3.5 parts Ethylene glycol monobutyl ether acetate 49.5 parts
Ε-caprolactone 30.0 parts Stabaxol I (polycarbodiimide 0.3 parts manufactured by Rheinchemie)
上記顔料分散体を下記配合処方にてインキ化し、インクジェットインキを得た。
・顔料分散体Ｃ １２．５部
・塩化ビニル−酢酸ビニル樹脂ＶＹＨＤ ３．５部
・ジプロピレングリコールモノエチルエーテル ３９．０部
・ジエチレングリコールモノエチルエーテルアセテート ３０．０部
・γ−ブチロラクトン １５．０部
The pigment dispersion was converted into an ink with the following formulation to obtain an inkjet ink.
Pigment dispersion C 12.5 parts Vinyl chloride-vinyl acetate resin VYHD 3.5 parts Dipropylene glycol monoethyl ether 39.0 parts Diethylene glycol monoethyl ether acetate 30.0 parts Gamma-butyrolactone 15.0 parts
上記顔料分散体を下記配合処方にてインキ化し、インクジェットインキを得た。
・顔料分散体Ａ １１．４部
・塩化ビニル‐酢酸ビニル樹脂ＶＹＨＤ ４．０部
・乳酸ブチル ５４．６部
・プロピレングリコールモノメチルエーテルアセテート １０．０部
・ジプロピレングリコールモノメチルエーテル １０．０部
・ε−カプロラクトン １０．０部
［比較例１］
The pigment dispersion was converted into an ink with the following formulation to obtain an inkjet ink.
Pigment dispersion A 11.4 parts Vinyl chloride-vinyl acetate resin VYHD 4.0 parts butyl lactate 54.6 parts Propylene glycol monomethyl ether acetate 10.0 parts Dipropylene glycol monomethyl ether 10.0 parts ε -Caprolactone 10.0 parts [Comparative Example 1]
実施例１の配合組成からγ−ブチロラクトンを除き、不足分をエチレングリコールモノブチルエーテルアセテートで補った以外は同様の方法でインキ化した
［比較例２］
Except for γ-butyrolactone from the blend composition of Example 1, ink was made in the same manner except that the deficiency was supplemented with ethylene glycol monobutyl ether acetate [Comparative Example 2]
実施例２の配合組成からε−カプロラクトンを除き、不足分をエチレングリコールモノブチルエーテルアセテートで補った以外は同様の方法でインキ化した。
［比較例３］
Ink was made in the same manner except that ε-caprolactone was removed from the composition of Example 2 and the shortage was supplemented with ethylene glycol monobutyl ether acetate.
[Comparative Example 3]
実施例３の配合組成から塩化ビニル‐酢酸ビニル樹脂ＶＹＨＤを除き、不足分をアクリル樹脂ジョンクリル６７(ジョンソンポリマー社製スチレン‐α−メチルスチレン‐アクリル共重合体)で補った以外は同様の方法でインキ化した。
［比較例４］
The same method except that the vinyl chloride-vinyl acetate resin VYHD was removed from the blend composition of Example 3 and the deficiency was supplemented with acrylic resin Jonkrill 67 (styrene-α-methylstyrene-acrylic copolymer manufactured by Johnson Polymer Co., Ltd.). Ink.
[Comparative Example 4]
実施例４の配合組成からε−カプロラクトンを除き、不足分をジプロピレングリコールモノエチルエーテルで補った以外は同様の方法でインキ化した。
［比較例５］
Ink was made in the same manner except that ε-caprolactone was removed from the blend composition of Example 4 and the deficiency was supplemented with dipropylene glycol monoethyl ether.
[Comparative Example 5]
上記分散体を下記配合処方にてインキ化し、インクジェットインキを得た。
・顔料分散体Ｃ １２．５部
・アルコール変性塩化ビニル−酢酸ビニル樹脂ＶＲＯＨ（ダウケミカルズ社製）６．５部
・プロピレングリコールジエーテル ７６．０部
・γ‐ブチロラクトン ５．０部
［比較例６］
The dispersion was converted into an ink with the following formulation to obtain an inkjet ink.
Pigment dispersion C 12.5 parts Alcohol-modified vinyl chloride-vinyl acetate resin VROH (made by Dow Chemicals) 6.5 parts Propylene glycol diether 76.0 parts Gamma-butyrolactone 5.0 parts [Comparative Example 6 ]
上記分散体を下記配合処方にてインキ化したが、樹脂の溶解性が悪くインクジェットインキを得ることができなかった。
・顔料分散体Ｃ １２．５部
・塩化ビニル‐酢酸ビニル樹脂ＶＹＨＤ（ダウケミカルズ社製）５．０部
・プロピレングリコールジエーテル ７７．５部
・γ‐ブチロラクトン ５．０部
The dispersion was inked according to the following formulation, but the resin solubility was poor and inkjet ink could not be obtained.
Pigment dispersion C 12.5 parts Vinyl chloride-vinyl acetate resin VYHD (manufactured by Dow Chemicals) 5.0 parts Propylene glycol diether 77.5 parts Gamma-butyrolactone 5.0 parts
実施例１〜４、比較例１〜６で得られたインクジェットインキをＩＰ−６５００（セイコーアイ・インフォテック社製、大判インクジェットプリンタ）にて表面が無処理のポリ塩化ビニル樹脂シートに印刷し、以下の方法でインクの密着性、膜耐性について評価をした。
（密着性：ラビング試験）
印刷面をラビングテスター（テスター産業製、型式ＡＢ３０１）にて密着性を評価。評価条件としては試験用布片（金巾３号）にて加重２００ｇ、５０往復で実施し、インキの剥がれの有無を確認した。
（膜耐性：アルコール耐性試験）
印刷面をエタノールを浸した綿棒で１０往復こすり、インキの剥がれの有無を確認した。
その結果、実施例１〜４のインキはラビング試験、アルコール耐性試験のいずれにおいてもポリ塩化ビニル樹脂シートからインキが剥がれず、密着性、膜耐性が良好であったが、比較例１〜４のインキはラビング試験、アルコール耐性試験のいずれにおいてもポリ塩化ビニル樹脂シートからインキが剥がれ、試験用布片または綿棒にインキが付着していた。比較例５のインキはラビング試験ではインキが剥がれなかったが、アルコール耐性試験では塩化ビニル樹脂シートからインキが剥がれ綿棒にインキが付着していた。
The inkjet inks obtained in Examples 1 to 4 and Comparative Examples 1 to 6 were printed on an untreated polyvinyl chloride resin sheet using IP-6500 (Seiko Eye Infotech, large format inkjet printer), The ink adhesion and film resistance were evaluated by the following methods.
(Adhesion: rubbing test)
The printed surface was evaluated for adhesion with a rubbing tester (Model AB301, manufactured by Tester Sangyo). As an evaluation condition, a test piece (gold width 3) was applied with a load of 200 g and 50 reciprocations to confirm the presence or absence of ink peeling.
(Membrane resistance: Alcohol resistance test)
The printed surface was rubbed 10 times with a cotton swab soaked in ethanol, and the presence or absence of ink peeling was confirmed.
As a result, the inks of Examples 1 to 4 did not peel off from the polyvinyl chloride resin sheet in both the rubbing test and the alcohol resistance test, and the adhesion and film resistance were good. The ink was peeled off from the polyvinyl chloride resin sheet in both the rubbing test and the alcohol resistance test, and the ink adhered to the test piece or cotton swab. The ink of Comparative Example 5 did not peel off in the rubbing test, but in the alcohol resistance test, the ink was peeled off from the vinyl chloride resin sheet, and the ink adhered to the cotton swab.
Claims (5)
ＣＨ３ＣＯ（ＯＲ１）ｍＯＲ２ （１）
ＣＨ３ＣＨ２（ＯＨ）ＣＯＯＲ3 （２）
（式中、Ｒ１はエチレン基またはプロピレン基、Ｒ２は炭素数１〜４のアルキル基、Ｒ3は炭素数１〜８のアルキル基、ｍは１〜３の整数を表す。） In an inkjet ink comprising an organic solvent, a pigment and a vinyl chloride-vinyl acetate resin, the organic solvent comprises at least one compound selected from compounds represented by the following general formula (1) or general formula (2), and a lactone compound: An inkjet ink for a polyvinyl chloride resin sheet, wherein the lactone compound is contained in an amount of 1 to 40% by weight based on the total amount of the ink.
CH 3 CO (OR 1 ) m OR 2 (1)
CH 3 CH 2 (OH) COOR 3 (2)
(In the formula, R 1 represents an ethylene group or a propylene group, R 2 represents an alkyl group having 1 to 4 carbon atoms, R 3 represents an alkyl group having 1 to 8 carbon atoms, and m represents an integer of 1 to 3).
Furthermore, the inkjet ink for polyvinyl chloride resin sheets in any one of Claims 1-4 containing a dispersing agent.
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| JP2008013714A (en) * | 2006-07-07 | 2008-01-24 | General Technology Kk | Oily inkjet ink |
| WO2011125516A1 (en) | 2010-04-01 | 2011-10-13 | 株式会社セイコーアイ・インフォテック | Solvent for ink, method for producing solvent for ink, ink for inkjet recording, method for producing ink for inkjet recording, ink cartridge and method for producing ink cartridge |
| JP2012201838A (en) * | 2011-03-28 | 2012-10-22 | Toyo Ink Sc Holdings Co Ltd | Inkjet ink |
| JP2013018930A (en) * | 2011-07-14 | 2013-01-31 | Seiko Epson Corp | Nonaqueous ink for inkjet, and inkjet recording method |
| JP2014051605A (en) * | 2012-09-07 | 2014-03-20 | Toyo Ink Sc Holdings Co Ltd | Ink jet ink composition |
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