JP2014055263A - Nonaqueous ink composition - Google Patents
Nonaqueous ink composition Download PDFInfo
- Publication number
- JP2014055263A JP2014055263A JP2012201915A JP2012201915A JP2014055263A JP 2014055263 A JP2014055263 A JP 2014055263A JP 2012201915 A JP2012201915 A JP 2012201915A JP 2012201915 A JP2012201915 A JP 2012201915A JP 2014055263 A JP2014055263 A JP 2014055263A
- Authority
- JP
- Japan
- Prior art keywords
- resin
- general formula
- ink composition
- solvent
- ink
- 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
- 239000000203 mixture Substances 0.000 title claims abstract description 36
- 229920005989 resin Polymers 0.000 claims abstract description 36
- 239000011347 resin Substances 0.000 claims abstract description 36
- 239000002904 solvent Substances 0.000 claims abstract description 33
- 239000000049 pigment Substances 0.000 claims abstract description 25
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 5
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 5
- 125000004432 carbon atom Chemical group C* 0.000 claims description 9
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims description 5
- 125000000217 alkyl group Chemical group 0.000 claims description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 5
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 2
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 2
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 2
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 claims description 2
- 125000001183 hydrocarbyl group Chemical group 0.000 claims 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 abstract description 12
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 abstract description 8
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 abstract description 2
- 150000005215 alkyl ethers Chemical class 0.000 abstract description 2
- 125000002947 alkylene group Chemical group 0.000 abstract description 2
- 229920002433 Vinyl chloride-vinyl acetate copolymer Polymers 0.000 abstract 1
- 239000000976 ink Substances 0.000 description 51
- 238000007639 printing Methods 0.000 description 16
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 8
- -1 nitrogen-containing heterocyclic compounds Chemical class 0.000 description 8
- 239000006185 dispersion Substances 0.000 description 6
- NQBXSWAWVZHKBZ-UHFFFAOYSA-N 2-butoxyethyl acetate Chemical compound CCCCOCCOC(C)=O NQBXSWAWVZHKBZ-UHFFFAOYSA-N 0.000 description 5
- 239000002270 dispersing agent Substances 0.000 description 5
- 239000003595 mist Substances 0.000 description 5
- 239000003960 organic solvent Substances 0.000 description 5
- 229920000915 polyvinyl chloride Polymers 0.000 description 5
- 239000004800 polyvinyl chloride Substances 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 4
- 229910052801 chlorine Inorganic materials 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- DRLRGHZJOQGQEC-UHFFFAOYSA-N 2-(2-methoxypropoxy)propyl acetate Chemical compound COC(C)COC(C)COC(C)=O DRLRGHZJOQGQEC-UHFFFAOYSA-N 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 238000006298 dechlorination reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000007646 gravure printing Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 229920001515 polyalkylene glycol Polymers 0.000 description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 3
- 229920002554 vinyl polymer Polymers 0.000 description 3
- 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
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-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
- 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
- 239000004930 VINNOL Substances 0.000 description 2
- 229920004482 WACKER® Polymers 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-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
- 238000011156 evaluation Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 238000007641 inkjet printing Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000005011 phenolic resin Substances 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- 239000000126 substance 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- BUHVIAUBTBOHAG-FOYDDCNASA-N (2r,3r,4s,5r)-2-[6-[[2-(3,5-dimethoxyphenyl)-2-(2-methylphenyl)ethyl]amino]purin-9-yl]-5-(hydroxymethyl)oxolane-3,4-diol Chemical compound COC1=CC(OC)=CC(C(CNC=2C=3N=CN(C=3N=CN=2)[C@H]2[C@@H]([C@H](O)[C@@H](CO)O2)O)C=2C(=CC=CC=2)C)=C1 BUHVIAUBTBOHAG-FOYDDCNASA-N 0.000 description 1
- KYXOKQMDMUXDJV-UHFFFAOYSA-N 1-acetyloxypropan-2-yl butanoate Chemical compound CCCC(=O)OC(C)COC(C)=O KYXOKQMDMUXDJV-UHFFFAOYSA-N 0.000 description 1
- YRVRIZFSHGBNSC-UHFFFAOYSA-N 1-acetyloxypropan-2-yl propanoate Chemical compound CCC(=O)OC(C)COC(C)=O YRVRIZFSHGBNSC-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
- 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
- UJXNFMNODANVBL-UHFFFAOYSA-N 1-methoxypropan-2-yl butanoate Chemical compound CCCC(=O)OC(C)COC UJXNFMNODANVBL-UHFFFAOYSA-N 0.000 description 1
- DOVZUKKPYKRVIK-UHFFFAOYSA-N 1-methoxypropan-2-yl propanoate Chemical compound CCC(=O)OC(C)COC DOVZUKKPYKRVIK-UHFFFAOYSA-N 0.000 description 1
- SRKWATGZBMDARM-UHFFFAOYSA-N 1-propanoyloxypropan-2-yl butanoate Chemical compound CCCC(=O)OC(C)COC(=O)CC SRKWATGZBMDARM-UHFFFAOYSA-N 0.000 description 1
- KFNABOVSAPCOCY-UHFFFAOYSA-N 1-propanoyloxypropan-2-yl propanoate Chemical compound CCC(=O)OCC(C)OC(=O)CC KFNABOVSAPCOCY-UHFFFAOYSA-N 0.000 description 1
- ZEAWONUXVAHDFE-UHFFFAOYSA-N 2-(2-acetyloxyethoxy)ethyl butanoate Chemical compound CCCC(=O)OCCOCCOC(C)=O ZEAWONUXVAHDFE-UHFFFAOYSA-N 0.000 description 1
- RYOCDGDXNMTTTB-UHFFFAOYSA-N 2-(2-acetyloxyethoxy)ethyl propanoate Chemical compound CCC(=O)OCCOCCOC(C)=O RYOCDGDXNMTTTB-UHFFFAOYSA-N 0.000 description 1
- FLPPEMNGWYFRSK-UHFFFAOYSA-N 2-(2-acetyloxypropoxy)propyl acetate Chemical compound CC(=O)OCC(C)OCC(C)OC(C)=O FLPPEMNGWYFRSK-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
- UWAALKSFUOKZEZ-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethyl butanoate Chemical compound CCCCOCCOCCOC(=O)CCC UWAALKSFUOKZEZ-UHFFFAOYSA-N 0.000 description 1
- ATBZPVUIQSIQEQ-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethyl propanoate Chemical compound CCCCOCCOCCOC(=O)CC ATBZPVUIQSIQEQ-UHFFFAOYSA-N 0.000 description 1
- FPZWZCWUIYYYBU-UHFFFAOYSA-N 2-(2-ethoxyethoxy)ethyl acetate Chemical compound CCOCCOCCOC(C)=O FPZWZCWUIYYYBU-UHFFFAOYSA-N 0.000 description 1
- LSZXZWOYLFWMCZ-UHFFFAOYSA-N 2-(2-ethoxyethoxy)ethyl butanoate Chemical compound CCCC(=O)OCCOCCOCC LSZXZWOYLFWMCZ-UHFFFAOYSA-N 0.000 description 1
- WVQBWABPJKXSRL-UHFFFAOYSA-N 2-(2-ethoxyethoxy)ethyl propanoate Chemical compound CCOCCOCCOC(=O)CC WVQBWABPJKXSRL-UHFFFAOYSA-N 0.000 description 1
- SBASXUCJHJRPEV-UHFFFAOYSA-N 2-(2-methoxyethoxy)ethanol Chemical compound COCCOCCO SBASXUCJHJRPEV-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
- LFXBTVJAXBBHDZ-UHFFFAOYSA-N 2-(2-methoxyethoxy)ethyl butanoate Chemical compound CCCC(=O)OCCOCCOC LFXBTVJAXBBHDZ-UHFFFAOYSA-N 0.000 description 1
- IZXZMWGHPXBDNQ-UHFFFAOYSA-N 2-(2-methoxypropoxy)propyl butanoate Chemical compound CCCC(=O)OCC(C)OCC(C)OC IZXZMWGHPXBDNQ-UHFFFAOYSA-N 0.000 description 1
- NVSZPGYVYSDFEV-UHFFFAOYSA-N 2-(2-methoxypropoxy)propyl propanoate Chemical compound CCC(=O)OCC(C)OCC(C)OC NVSZPGYVYSDFEV-UHFFFAOYSA-N 0.000 description 1
- BKEYWQMCFRHGBE-UHFFFAOYSA-N 2-(2-propanoyloxyethoxy)ethyl butanoate Chemical compound CCCC(=O)OCCOCCOC(=O)CC BKEYWQMCFRHGBE-UHFFFAOYSA-N 0.000 description 1
- YMMVCTFOVNOGFQ-UHFFFAOYSA-N 2-(2-propanoyloxyethoxy)ethyl propanoate Chemical compound CCC(=O)OCCOCCOC(=O)CC YMMVCTFOVNOGFQ-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
- NXQWPMYZHPFPRY-UHFFFAOYSA-N 2-acetyloxyethyl butanoate Chemical compound CCCC(=O)OCCOC(C)=O NXQWPMYZHPFPRY-UHFFFAOYSA-N 0.000 description 1
- MRWOMAPJRAVONW-UHFFFAOYSA-N 2-acetyloxyethyl propanoate Chemical compound CCC(=O)OCCOC(C)=O MRWOMAPJRAVONW-UHFFFAOYSA-N 0.000 description 1
- JWIUNFHJMLAEPS-UHFFFAOYSA-N 2-butoxyethyl butanoate Chemical compound CCCCOCCOC(=O)CCC JWIUNFHJMLAEPS-UHFFFAOYSA-N 0.000 description 1
- IYVJUFDNYUMRAB-UHFFFAOYSA-N 2-butoxyethyl propanoate Chemical compound CCCCOCCOC(=O)CC IYVJUFDNYUMRAB-UHFFFAOYSA-N 0.000 description 1
- SVONRAPFKPVNKG-UHFFFAOYSA-N 2-ethoxyethyl acetate Chemical compound CCOCCOC(C)=O SVONRAPFKPVNKG-UHFFFAOYSA-N 0.000 description 1
- RUCPXHYWYFCCOY-UHFFFAOYSA-N 2-ethoxyethyl butanoate Chemical compound CCCC(=O)OCCOCC RUCPXHYWYFCCOY-UHFFFAOYSA-N 0.000 description 1
- BYVKCQBOHJQWIO-UHFFFAOYSA-N 2-ethoxyethyl propanoate Chemical compound CCOCCOC(=O)CC BYVKCQBOHJQWIO-UHFFFAOYSA-N 0.000 description 1
- XGNMYOSGLQVPFQ-UHFFFAOYSA-N 2-methoxyethyl butanoate Chemical compound CCCC(=O)OCCOC XGNMYOSGLQVPFQ-UHFFFAOYSA-N 0.000 description 1
- VAHNPAMCADTGIO-UHFFFAOYSA-N 2-methoxyethyl propanoate Chemical compound CCC(=O)OCCOC VAHNPAMCADTGIO-UHFFFAOYSA-N 0.000 description 1
- XUUXRFDYUIURNG-UHFFFAOYSA-N 2-propanoyloxyethyl butanoate Chemical compound CCCC(=O)OCCOC(=O)CC XUUXRFDYUIURNG-UHFFFAOYSA-N 0.000 description 1
- UMNVUZRZKPVECS-UHFFFAOYSA-N 2-propanoyloxyethyl propanoate Chemical compound CCC(=O)OCCOC(=O)CC UMNVUZRZKPVECS-UHFFFAOYSA-N 0.000 description 1
- WONYMNWUJVKVII-UHFFFAOYSA-N 3,5-diiodothyropropionic acid Chemical compound IC1=CC(CCC(=O)O)=CC(I)=C1OC1=CC=C(O)C=C1 WONYMNWUJVKVII-UHFFFAOYSA-N 0.000 description 1
- BLUWGXWVYYLYMQ-UHFFFAOYSA-N C(CC)(=O)OCC(OCC(C)OC(C)=O)C Chemical compound C(CC)(=O)OCC(OCC(C)OC(C)=O)C BLUWGXWVYYLYMQ-UHFFFAOYSA-N 0.000 description 1
- OMIJTOJYJSZCHQ-UHFFFAOYSA-N C(CCC)(=O)OCC(OCC(C)OC(C)=O)C Chemical compound C(CCC)(=O)OCC(OCC(C)OC(C)=O)C OMIJTOJYJSZCHQ-UHFFFAOYSA-N 0.000 description 1
- DBHNAKHGKUEBAR-UHFFFAOYSA-N C(CCC)(=O)OCC(OCC(C)OC(CC)=O)C Chemical compound C(CCC)(=O)OCC(OCC(C)OC(CC)=O)C DBHNAKHGKUEBAR-UHFFFAOYSA-N 0.000 description 1
- DCUNPYYLFXOIFM-UHFFFAOYSA-N CC(O)=O.CC(O)CO.CCCC(O)=O.CCCC(O)=O Chemical compound CC(O)=O.CC(O)CO.CCCC(O)=O.CCCC(O)=O DCUNPYYLFXOIFM-UHFFFAOYSA-N 0.000 description 1
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- 239000004640 Melamine resin Substances 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 1
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- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
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- 230000001133 acceleration Effects 0.000 description 1
- CGHFXJDCXAMUQT-UHFFFAOYSA-N acetic acid butanoic acid 2-(2-hydroxypropoxy)propan-1-ol Chemical compound CC(O)=O.CCCC(O)=O.CCCC(O)=O.CC(O)COC(C)CO CGHFXJDCXAMUQT-UHFFFAOYSA-N 0.000 description 1
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- 239000003963 antioxidant agent Substances 0.000 description 1
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- 239000008346 aqueous phase Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
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- 239000011248 coating agent Substances 0.000 description 1
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- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
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- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 description 1
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Landscapes
- Inks, Pencil-Leads, Or Crayons (AREA)
- Ink Jet (AREA)
- Ink Jet Recording Methods And Recording Media Thereof (AREA)
Abstract
Description
本発明は、非水性インクジェットインキに関する。特に、従来の非水性インクジェットインキと比較して保存安定性、安全衛生性に優れ、ノズルへの付着なく吐出安定性に優れた、印刷インキ、特にインクジェットインキに関する。 The present invention relates to a non-aqueous inkjet ink. In particular, the present invention relates to a printing ink, particularly an inkjet ink, which is excellent in storage stability and safety and hygiene as compared with conventional non-aqueous inkjet inks and excellent in ejection stability without adhering to a nozzle.
従来、非吸収性基材を対象とした印刷方式として、軟包材用グラビア印刷、サニタリー用フレキソ印刷、金属版用シルクスクリーン印刷、屋内外広告用インクジェット印刷などが一般的に知られている。しかし、これらの印刷方式に用いられるインキ組成物は第二種有機溶剤に該当するトルエン、酢酸エチル、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溶剤を用いることが一般的であり、環境濃度設定、臭気等から局所排気装置の設置、又は定期健康診断等の義務が発生するなど取り扱いが難しく、より安全衛生性の高いインキが求められてきた。特にインキジェットは専用工場で印刷されるグラビア印刷、フレキソ印刷、シルクスクリーン印刷と異なり、一般オフィスなどの事務所で使用されるため、より安全性、有害性、臭気を配慮しなければならない。 Conventionally, gravure printing for soft packaging materials, flexographic printing for sanitary, silk screen printing for metal plates, inkjet printing for indoor and outdoor advertising, etc. are generally known as printing methods for non-absorbent substrates. However, ink compositions used in these printing methods generally use solvents such as toluene, ethyl acetate, methyl ethyl ketone, methyl isobutyl ketone, cyclohexanone, etc., which are classified as organic solvents of the second type. For example, it is difficult to handle such as the installation of a local exhaust system or an obligation such as a periodic health check, and inks with higher safety and hygiene have been demanded. In particular, ink jets are used in offices such as general offices, unlike gravure printing, flexo printing, and silk screen printing, which are printed at a dedicated factory. Therefore, safety, toxicity, and odor must be considered.
安全性向上のため、軟包材グラビア印刷、サニタリー用フレキソ印刷では、環境濃度設定値が低いトルエンを使用しないノントルエンインキやアルコールを主成分とする水性インキが開発された。 In order to improve safety, non-toluene inks that do not use toluene, which has a low environmental concentration setting value, and water-based inks based on alcohol have been developed for soft packaging gravure printing and sanitary flexographic printing.
一方、インキジェット印刷でも、第二種有機溶剤に非該当であるポリアルキレングリコール系溶剤、又は炭化水素系溶剤を用いたインキが開発された。(特許文献1)しかし、ポリアルキレングリコール系溶剤、又は炭化水素系溶剤からなるインキでは印刷基材表面を溶解させることができないため定着性、耐候性等が劣るなどの問題があった。 On the other hand, an ink using a polyalkylene glycol solvent or a hydrocarbon solvent that is not applicable to the second type organic solvent has also been developed in ink jet printing. (Patent Document 1) However, since the surface of the printing substrate cannot be dissolved with an ink comprising a polyalkylene glycol solvent or a hydrocarbon solvent, there are problems such as poor fixability and weather resistance.
そこで、最近ではポリアルキレングリコール系溶剤と同じく第二種有機溶剤に非該当である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、又はラクトン系化合物を副溶剤として併用することで、定着性、耐候性等を改善した溶剤系インキが開発されてきた。(特許文献2、特許文献3、特許文献4、特許文献5、特許文献6)。しかし、これらのインキは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たり、臭気が強いなどの問題点があった。 Therefore, recently, nitrogen-containing heterocyclic compounds such as 2-pyrrolidone and N-methyl-2-pyrrolidone, which are not applicable to the second type organic solvent, as well as polyalkylene glycol solvents, or lactone compounds are used in combination as cosolvents. Thus, solvent-based inks having improved fixability and weather resistance have been developed. (Patent Literature 2, Patent Literature 3, Patent Literature 4, Patent Literature 5, Patent Literature 6). However, these inks have problems such as dissolution of pigments, corrosion of the printer head material, and strong odor due to their high solubility.
本発明は、長期保存安定性、安全衛生性と吐出安定性に優れた非水性インキ組成物、および非水性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 a non-aqueous ink composition excellent in long-term storage stability, safety and hygiene, and ejection stability, and a non-aqueous inkjet ink.
本発明は、少なくとも顔料と、樹脂と、溶剤とを含むインクにおいて、下記一般式(1)で表される溶剤と下記一般式(2)で表される溶剤を、少なくとも含有することを
特徴とする非水性インキ組成物に関する。
一般式(1)
General formula (1)
(式中R1は炭素数1〜10のアルキル基、R2およびR3はそれぞれ独立に水素原子または炭素数1〜6のエーテル結合を有しても良い炭化水素基であり、互いに同一でも異なっていても良く、更に互いに結合して環構造を形成しても良い。)
一般式(2)
CH3CO(OR4)mOR5
(式中、R4はエチレン基、プロピレン基またはブチレン基、R5は炭素数1〜4のアルキル基、mは1〜3の整数を表す。)
(Wherein R 1 is an alkyl group having 1 to 10 carbon atoms, and R 2 and R 3 are each independently a hydrogen atom or a hydrocarbon group which may have an ether bond having 1 to 6 carbon atoms. They may be different from each other and may be further bonded to each other to form a ring structure.)
General formula (2)
CH 3 CO (OR 4 ) m OR 5
(In the formula, R 4 represents an ethylene group, a propylene group or a butylene group, R 5 represents an alkyl group having 1 to 4 carbon atoms, and m represents an integer of 1 to 3).
更に本発明は、一般式(1)で表される溶剤と一般式(2)で表される溶剤の重量比率が11:89〜1:99の範囲である事を特徴とする上記非水性インキ組成物に関する。 Furthermore, the present invention provides the non-aqueous ink, wherein the weight ratio of the solvent represented by the general formula (1) and the solvent represented by the general formula (2) is in the range of 11:89 to 1:99. Relates to the composition.
更に本発明は、樹脂として、塩ビ・酢ビ共重合体またはアクリル樹脂のうち、少なくとも1種類を含有する事を特徴とする上記非水性インキ組成物に関する。 Furthermore, the present invention relates to the above non-aqueous ink composition, wherein the resin contains at least one of a vinyl chloride / vinyl acetate copolymer or an acrylic resin.
更に本発明は、樹脂の重量平均分子量が60000以下であることを特徴とする上記非水性インキ組成物に関する。 Furthermore, the present invention relates to the non-aqueous ink composition, wherein the resin has a weight average molecular weight of 60000 or less.
更に本発明は、インクジェットインキである事を特徴とする上記非水性インキ組成物に関する。 Furthermore, this invention relates to the said non-aqueous ink composition characterized by being an inkjet ink.
更に本発明は、塩ビ系基材に対し印刷するインキである事を特徴とする上記非水性インキ組成物に関する。 Furthermore, the present invention relates to the non-aqueous ink composition described above, which is an ink printed on a vinyl chloride base material.
本発明によれば、一般式(1)で表わされる溶剤と一般式(2)で表わされる溶剤とをインキ組成物中に添加することにより、長期保存安定性に優れた非水性インキ組成物、特に非水性インクジェットインキが提供される。 According to the present invention, a non-aqueous ink composition having excellent long-term storage stability by adding a solvent represented by the general formula (1) and a solvent represented by the general formula (2) to the ink composition, In particular, non-aqueous inkjet inks are provided.
本発明の有機溶剤には一般式(1)で表されるβ−アルコキシプロピオンアミド類と一般式(2)で表されるアルキレングリコールアルキルエーテルアセテート類とを使用するのが良い。このβ−アルコキシプロピオンアミド類はN−メチル−2−ピロリドン等の溶剤と比較した場合、顔料への溶解性は弱い一方で、塩酢ビ樹脂等への溶解性は高い。これにより、優れた印字安定性が得られる一方で、インキ物性の長期保存安定性も併せて得られる。また、アルキレングリコールアルキルエーテルアセテート類は、アルキレングリコールアルキルエーテル類と比較し、沸点や樹脂溶解性の観点より、連続印字安定性に優れる。 As the organic solvent of the present invention, β-alkoxypropionamides represented by the general formula (1) and alkylene glycol alkyl ether acetates represented by the general formula (2) are preferably used. The β-alkoxypropionamides are less soluble in pigments than solvents such as N-methyl-2-pyrrolidone, but have high solubility in vinyl chloride resin and the like. Thereby, while excellent printing stability is obtained, long-term storage stability of ink physical properties is also obtained. Moreover, alkylene glycol alkyl ether acetates are excellent in continuous printing stability from the viewpoints of boiling point and resin solubility, as compared with alkylene glycol alkyl ethers.
さらに、一般式(1)で表されるβ−アルコキシプロピオンアミド類と一般式(2)で表されるアルキレングリコールアルキルエーテルアセテート類とのインキ組成物中の添加重量比率は1:99〜11:89が良いが、好ましくは4:96〜11:89が良く、更に好ましくは6:94〜11:89とするのが良い。β−アルコキシプロピオンアミド類の添加比率が11:89より多い場合は印刷機やプリンタ部材の一部を腐食し、1:99より少ない場合は、その溶解性による印字性能の効果が得られず、好ましくない。 Further, the weight ratio of the β-alkoxypropionamide represented by the general formula (1) and the alkylene glycol alkyl ether acetate represented by the general formula (2) in the ink composition is 1:99 to 11: 89 is preferable, but 4:96 to 11:89 is preferable, and 6:94 to 11:89 is more preferable. When the addition ratio of β-alkoxypropionamides is more than 11:89, a part of the printing machine or printer member is corroded, and when it is less than 1:99, the effect of the printing performance due to its solubility cannot be obtained. It is not preferable.
一般式(1)で示されるβ−アルコキシプロピオンアミド類においてR1は炭素数1〜10のアルキル基であり、R2およびR3はそれぞれ独立に水素原子または炭素数1〜6のエーテル結合を有しても良い炭化水素基であり、互いに同一でも異なっていても良く、更に互いに結合して環構造を形成しても良い。R1はインクの経時安定性の観点より、炭素数1〜4が好ましく、更に好ましくは1〜2とするのが良い。 In the β-alkoxypropionamides represented by the general formula (1), R 1 is an alkyl group having 1 to 10 carbon atoms, and R 2 and R 3 each independently represent a hydrogen atom or an ether bond having 1 to 6 carbon atoms. These may be hydrocarbon groups which may be the same or different from each other, and may be further bonded to each other to form a ring structure. R 1 preferably has 1 to 4 carbon atoms, more preferably 1 to 2 from the viewpoint of the temporal stability of the ink.
一般式(2)で示されるアルキレングリコールアルキルエーテルアセテート類の具体例としては、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、エチレングリコールモノメチルエーテルプロピオネート、エチレングリコールモノエチルエーテルプロピオネート、エチレングリコールモノブチルエーテルプロピオネート、ジエチレングリコールモノメチルエーテルプロピオネート、ジエチレングリコールモノエチルエーテルプロピオネート、ジエチレングリコールモノブチルエーテルプロピオネート、プロピレングリコールモノメチルエーテルプロピオネート、ジプロピレングリコールモノメチルエーテルプロピオネート、エチレングリコールモノメチルエーテルブチレート、エチレングリコールモノエチルエーテルブチレート、エチレングリコールモノブチルエーテルブチレート、ジエチレングリコールモノメチルエーテルブチレート、ジエチレングリコールモノエチルエーテルブチレート、ジエチレングリコールモノブチルエーテルブチレート、プロピレングリコールモノメチルエーテルブチレート、ジプロピレングリコールモノメチルエーテルブチレート、メトキシブチルアセテート等のグリコールモノアセテート類、エチレングリコールジアセテート、ジ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、ジプロピレングリコールジアセテート、エチレングリコールアセテートプロピオネート、エチレングリコールアセテートブチレート、エチレングリコールプロピオネートブチレート、エチレングリコールジプロピオネート、エチレングリコールアセテートジブチレート、ジエチレングリコールアセテートプロピオネート、ジエチレングリコールアセテートブチレート、ジエチレングリコールプロピオネートブチレート、ジエチレングリコールジプロピオネート、ジエチレングリコールアセテートジブチレート、プロピレングリコールアセテートプロピオネート、プロピレングリコールアセテートブチレート、プロピレングリコールプロピオネートブチレート、プロピレングリコールジプロピオネート、プロピレングリコールアセテートジブチレート、ジプロピレングリコールアセテートプロピオネート、ジプロピレングリコールアセテートブチレート、ジプロピレングリコールプロピオネートブチレート、ジプロピレングリコールジプロピオネート、ジプロピレングリコールアセテートジブチレート等のグリコールジアセテート類等が挙げられる。
中でも、エチレングリコールモノブチルエーテルアセテートや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が好ましい。
Specific examples of the alkylene glycol alkyl ether acetates represented by the general formula (2) 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 ether acetate, dipropylene glycol monomethyl ether acetate, ethylene glycol monomethyl ether propionate, ethylene glycol monoethyl ether propionate, ethylene glycol monobutyl ether propionate, diethylene glycol monomethyl Ether ether propionate, diethylene glycol monoethyl ether propionate, diethylene glycol monobutyl ether propionate, propylene glycol monomethyl ether propionate, dipropylene glycol monomethyl ether propionate, ethylene glycol monomethyl ether butyrate, ethylene glycol monoethyl ether butyrate Rate, ethylene glycol monobutyl ether butyrate, diethylene glycol monomethyl ether butyrate, diethylene glycol monoethyl ether butyrate, diethylene glycol monobutyl ether butyrate, propylene glycol monomethyl ether butyrate, dipropylene glycol monomethyl ether butyrate, methoxybutyl acetate Glycol monoacetates, ethylene glycol diacetate, diethylene glycol diacetate, propylene glycol diacetate, dipropylene glycol diacetate, ethylene glycol acetate propionate, ethylene glycol acetate butyrate, ethylene glycol propionate butyrate, ethylene glycol dipro Pionate, ethylene glycol acetate dibutyrate, diethylene glycol acetate propionate, diethylene glycol acetate butyrate, diethylene glycol propionate butyrate, diethylene glycol dipropionate, diethylene glycol acetate dibutyrate, propylene glycol acetate propionate, propylene glycol acetate butyrate Tyrates, propylene glycol propionate butyrate, propylene glycol dipropionate, propylene glycol acetate dibutyrate, dipropylene glycol acetate propionate, dipropylene glycol acetate butyrate, dipropylene glycol propionate butyrate, dipropylene glycol dipro Examples thereof include glycol diacetates such as pionate and dipropylene glycol acetate dibutyrate.
Of these, ethylene glycol monobutyl ether acetate and dipropylene glycol monomethyl ether acetate are preferred.
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、213、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。顔料はインキ組成物中に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, 213, Pigment Orange 36, 43, 51, 5 , Such as 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 composition in an amount of 0.1 to 10% by weight.
本発明に使用される樹脂は、非吸収性基材への密着性をさらに向上させる効果がある。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。樹脂の具体例としては、荒川化学社製のスーパーエステル75、エステルガムHP、マルキッド 33、安原社製のYS ポリスター T80、三井化学社製のHiretts HRT200X、ジョンソンポリマー社製のジョンクリル586、ダウケミカルズ社製のユーカーソリューションビニル樹脂VYHD、VYHH、VMCA、VROH、VYLF−X、日信科学工業製のビニル樹脂ソルバインCL、CNL、C5R、TA5R、ワッカー社製のビニル樹脂VINNOL E15/45、H14/36、H40/43、E15/45M、E15/40M、を例示することができる。樹脂はインキ組成物中に0.1〜10重量%含まれることが好ましい。 The resin used in the present invention has an effect of further improving the adhesion to a non-absorbent substrate. 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. Specific examples of the resin include Superester 75 manufactured by Arakawa Chemical Co., Ltd., Ester Gum HP, Malkid 33, YS Polystar T80 manufactured by Yasuhara, Hirtts HRT200X manufactured by Mitsui Chemicals, John Kuryl 586 manufactured by Johnson Polymer, Dow Chemicals Yuker Solution Vinyl Resins VYHD, VYHH, VMCA, VROH, VYLF-X, Nissin Kagaku Vinyl Resin Solbin CL, CNL, C5R, TA5R, Wacker Vinyl Resins VINNOL E15 / 45, H14 / 36 , H40 / 43, E15 / 45M, and E15 / 40M. The resin is preferably contained in the ink composition in an amount of 0.1 to 10% by weight.
更に、インキ塗膜の耐擦過性、耐アルコール性、耐候性、延伸性、基材汎用性などの機能を発揮するためのバインダー樹脂として塩酢ビ樹脂もしくはアクリル樹脂から選ばれる少なくとも1種類以上を含有する事が好ましい。また、インクジェットプリンターヘッドの微小な吐出口からインキを安定に吐出させるには、低粘度なインキが求められ、分子量Mwが1000以上60000以下のバインダー樹脂が好ましく、更に分子量Mwが2000以上50000以下のバインダー樹脂が好ましい。 Furthermore, at least one selected from vinyl acetate resin or acrylic resin as a binder resin for exhibiting functions such as scratch resistance, alcohol resistance, weather resistance, stretchability and substrate versatility of the ink coating film. It is preferable to contain. In addition, in order to stably discharge ink from the minute discharge ports of the ink jet printer head, a low viscosity ink is required, and a binder resin having a molecular weight Mw of 1000 or more and 60000 or less is preferable, and a molecular weight Mw of 2000 or more and 50000 or less. Binder resins are preferred.
更に本発明では、塩基性分散剤を使用する事で、顔料の分散性およびインキ組成物の保存安定性を向上させる事が可能となる。 Furthermore, in this invention, it becomes possible to improve the dispersibility of a pigment and the storage stability of an ink composition by using a basic dispersing agent.
塩基性分散樹脂の具体例としては、ルーブリゾール社製のソルスパーズ11200、ソルスパーズ13240、ソルスパーズ13650、ソルスパーズ13940、ソルスパーズ16000、ソルスパーズ17000、ソルスパーズ18000、ソルスパーズ20000、ソルスパーズ24000SG、ソルスパーズ24000GR,ソルスパーズ28000、ソルスパーズ31845、ソルスパーズ32000、ソルスパーズ32500、ソルスパーズ32550、ソルスパーズ32600、ソルスパーズ33000、ソルスパーズ34750、ソルスパーズ35100、ソルスパーズ35200、ソルスパーズ37500、ソルスパーズ38500、ソルスパーズ39000、ソルスパーズ56000、ソルスパーズ71000、ソルスパーズ76500、ソルスパーズX300、ソルスパーズ9000、ソルスパーズJ200、ビックケミー社製のDISPERBYK−108、DISPERBYK−109、DISPERBYK−112、DISPERBYK−116、DISPERBYK−130、DISPERBYK−161、DISPERBYK−162、DISPERBYK−163、DISPERBYK−164、DISPERBYK−166、DISPERBYK−167、DISPERBYK−168、DISPERBYK−182、DISPERBYK−183、DISPERBYK−184、DISPERBYK−185、DISPERBYK−2000、DISPERBYK−2008、DISPERBYK−2009、DISPERBYK−2022、DISPERBYK−2050、DISPERBYK−2150、DISPERBYK−2155、DISPERBYK−2163、DISPERBYK−2164、BYK−9077、味の素ファインテクノ社製のアジスパーPB821、PB822、PB823、PB824、PB827等が挙げられる。これらの分散剤を顔料、溶剤の種類にあわせて使用することができる。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。 Specific examples of the basic dispersion resin include Solspurs 11200, Solspurs 13240, Solspers 13650, Solspers 13940, Solspurs 16000, Solspers 17000, Solspers 18000, Solspers 20000, Solspers 24000SG, Solspers 24000GR, Solspers 38000, manufactured by Lubrizol. Solspurs 32000, Solspurs 32500, Solspurs 32550, Solspurs 32600, Solspers 33000, Solspers 34750, Solspers 35100, Solspers 35200, Solspers 37500, Solspers 38500, Solspers 39000, Solspers 56000, Solspers 71000, Sols 76500, Solspers X300, Solspers 9000, Solspers J200, DISPERBYK-108, DISPERBYK-109, DISPERBYK-112, DISPERBYK-116, DISPERBYK-130, DISPERBYK-161, DISPERBYK-162, DISPERBYSP -164, DISPERBYK-166, DISPERBYK-167, DISPERBYK-168, DISPERBYK-182, DISPERBYK-183, DISPERBYK-184, DISPERBYK-185, DISPERBYK-2000, DISPERBYK-2008, DISPERBYK-2009, SPERBYK-B, 2009 DISPERBYK-2050, DISPERBYK-2150, DISPERBYK-2155, DISPERBYK-2163, DISPERBYK-2164, BYK-9077, Ajinomoto Fine-Techno Co. AJISPER PB821, PB822, PB823, PB824, PB827, and the like. These dispersants can be used in accordance with the types of pigments and solvents. The dispersant is preferably contained in the ink in an amount of 0.1 to 10% by weight.
本発明のインキ組成物は可塑剤、表面調整剤、紫外線防止剤、光安定化剤、酸化防止剤、加水分解防止剤等の種々の添加剤も使用することができる。 The ink composition of the present invention can also use various additives such as a plasticizer, a surface conditioner, an ultraviolet light inhibitor, a light stabilizer, an antioxidant, and a hydrolysis inhibitor.
本発明で効果が確認できる非吸収性基材としては、ポリ塩化ビニル樹脂(PVC)シート、ポリオレフィン系シート、ガラス、金属等が挙げられ、特に好ましくはPVCシートである。 Examples of the non-absorbable substrate whose effect can be confirmed in the present invention include a polyvinyl chloride resin (PVC) sheet, a polyolefin-based sheet, glass, metal, and the like, and a PVC sheet is particularly preferable.
[実施例] [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」および「%」は「重量部」および「重量%」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, “parts” and “%” represent “parts by weight” and “% by weight”.
[顔料分散体Aの製造]
下記のような配合で顔料分散体Aを作成した。この顔料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(トーヨーカラー製 フタロシアニン顔料)
25.0部
・ソルスパース32000(ルーブリゾール製 塩基性顔料分散剤)
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
62.5部
[Production of Pigment Dispersion A]
Pigment dispersion A was prepared with the following composition. This pigment dispersion was prepared by putting a pigment and a dispersant in 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 hour.
・ LIONOL BLUE FG-7400G (Toyocolor phthalocyanine pigment)
25.0 parts, Solsperse 32000 (basic pigment dispersant made by Lubrizol)
12.5 parts ethylene glycol monobutyl ether acetate
62.5 parts
[実施例1]
上記顔料分散体Aを用いて、下記配合処方にて実施例1のインキ組成物を作成した。また、使用したβ−アルコキシプロピオンアミド類については表1に示した通りである。
・顔料分散体A 16.0部
・VINNOL E15/45(ワッカー社製 塩酢ビ樹脂) 4.0部
・β−アルコキシプロピオンアミド類(I) 1.0部
・エチレングリコールモノブチルエーテルアセテート 79.0部
[Example 1]
Using the pigment dispersion A, an ink composition of Example 1 was prepared with the following formulation. The β-alkoxypropionamides used are as shown in Table 1.
Pigment dispersion A 16.0 parts VINNOL E15 / 45 (vinyl acetate resin made by Wacker) 4.0 parts β-alkoxypropionamides (I) 1.0 part ethylene glycol monobutyl ether acetate 79.0 Part
[実施例2〜31、比較例1〜5]
実施例1と同様の方法で表1、表2、表3に記載された原材料と配合比にて実施例2〜31、比較例1〜5のインキ組成物を作成した。
[Examples 2-31 and Comparative Examples 1-5]
Ink compositions of Examples 2-31 and Comparative Examples 1-5 were prepared in the same manner as in Example 1, using the raw materials and blending ratios described in Tables 1, 2, and 3.
なお、BGAc:エチレングリコールモノブチルエーテルアセテート
DPMA: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
DEDG:ジエチレングリコールジエチルエーテル
MEDG:ジエチレングリコールメチルエチルエーテル
BGAc: ethylene glycol monobutyl ether acetate DPMA: dipropylene glycol monomethyl ether acetate DEDG: diethylene glycol diethyl ether MEDG: diethylene glycol methyl ethyl ether
得られたインキ組成物を次のような方法で比較評価した。なお、評価結果については表4に示した。評価方法について以下に示す。 The obtained ink compositions were comparatively evaluated by the following methods. The evaluation results are shown in Table 4. The evaluation method is shown below.
[印刷安定性]
25℃環境下、ColorPainter64S(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連続印刷し、ドット抜け、飛行曲がり又はインキの飛び散りの発生頻度を評価し、50時間続試験でドット抜け、飛行曲がり又はインキの飛び散りの発生が5回未満であったものを◎、5回以上10回未満であったものを○、10回以上20回未満であったものを△、20回以上のものを×と評価した。
[Printing stability]
Under a 25 ° C environment, ColorPrinter 64S (manufactured by Seiko I Infotech Co., Ltd., large-format inkjet printer) continuously prints on the surface of untreated polyvinyl chloride resin sheet, and the frequency of occurrence of missing dots, flying bends or ink splashes Evaluated and the occurrence of dot missing, flying bent or ink splatter was less than 5 times in a 50 hour continuous test, ◎ 5 times or more but less than 10 times, ○ 10 times or more and less than 20 times Those that were present were evaluated as Δ, and those that were 20 times or more were evaluated as ×.
[ミスト]
25℃環境下、ColorPainter64S(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任意のパターンを印刷し、ミスト量を感応評価し、ミスト量が全く無いものを◎、若干見られたものを○、多く見られたものを△、非常に多く見られたものを×と評価した。
[mist]
Under an environment of 25 ° C., an arbitrary pattern is printed on a polyvinyl chloride resin sheet whose surface is not treated with ColorPainter 64S (manufactured by Seiko I Infotech, large format ink jet printer), and the mist amount is sensitively evaluated. Nothing was evaluated as ◎, slightly seen as ○, many seen as Δ, and very much as ×.
[脱塩素]
インキ組成物中の塩素量を測定するため、サンプル瓶中に溶剤顔料インキ組成物10部と5mmφガラスビース10個を仕込む。それに超音波をかけながら精製水を90部加えた後、ハンドシェイク60回行い、20分以上静置した後、下相の水相をメンブランフィルターを用いてろ過し、塩素量測定用試料を得た。この試料中の塩素量を、ダイオネクス製イオンクロマトグラフ DX−500を用いて測定した。
判定方法としては、実施例1〜31及び比較例1〜5で得られたインキ組成物の70℃6週間の経時促進前後について、塩素量の増加量が20ppm未満であるものを◎、増加量が20ppm以上30ppm未満であるものを○、増加量が30ppm以上50ppm未満であるものを△、増加量が50ppm以上であるものを×と評価した。
[Dechlorination]
In order to measure the amount of chlorine in the ink composition, 10 parts of the solvent pigment ink composition and 10 5 mmφ glass beads are charged into a sample bottle. After 90 parts of purified water was added while applying ultrasonic waves, the handshake was performed 60 times and allowed to stand for 20 minutes or longer, and then the lower aqueous phase was filtered using a membrane filter to obtain a sample for measuring the amount of chlorine. It was. The amount of chlorine in this sample was measured using a Dionex ion chromatograph DX-500.
As a determination method, the ink compositions obtained in Examples 1 to 31 and Comparative Examples 1 to 5 were evaluated as ◎, with an increase in chlorine amount of less than 20 ppm before and after acceleration at 70 ° C. for 6 weeks. Of 20 ppm or more and less than 30 ppm was evaluated as ◯, an increase of 30 ppm or more and less than 50 ppm was evaluated as Δ, and an increase of 50 ppm or more was evaluated as ×.
[保存安定性]
実施例1〜15及び比較例1〜11で得られたインキ組成物の粘度について、E型粘度計(東機産業製)を用いて、70℃8週間の経時促進前後にて評価を実施し、粘度の変化率が2%未満であるものを◎、変化率が2%以上5%未満であるものを○、変化率が5%以上10%未満であるものを△、変化率が10%以上であるものを×と評価した。
[Storage stability]
The viscosity of the ink compositions obtained in Examples 1 to 15 and Comparative Examples 1 to 11 was evaluated using an E-type viscometer (manufactured by Toki Sangyo) before and after aging at 70 ° C. for 8 weeks. , A viscosity change rate of less than 2%, ◎, a change rate of 2% to less than 5%, ◯, a change rate of 5% to less than 10%, and a change rate of 10% The above was evaluated as x.
表4から明らかのように、上記一般式(1)の溶剤と一般式(2)の溶剤とを含有する実施例1〜31のインク組成物は印字安定性やミスト、脱塩素量、保存安定性において、全て優れている。これに対し、比較例1は一般式(1)の溶剤を含有していないため、印字安定性とミストが劣る。比較例2は、一般式(1)の溶剤に替わる溶剤を添加した為、ミストが劣る。比較例3は、一般式(1)の溶剤に替え、溶解性の強い溶剤を添加した為、脱塩素量と保存安定性に劣る。比較例4、5に関しては、一般式(2)の溶剤を含有しない為、印字安定性や保存安定性に劣る。
As is apparent from Table 4, the ink compositions of Examples 1 to 31 containing the solvent of the general formula (1) and the solvent of the general formula (2) have printing stability, mist, dechlorination amount, and storage stability. All are excellent in sex. On the other hand, since Comparative Example 1 does not contain the solvent of the general formula (1), printing stability and mist are inferior. Since the comparative example 2 added the solvent which replaces the solvent of General formula (1), mist is inferior. Since the comparative example 3 replaced with the solvent of General formula (1) and added the solvent with strong solubility, it is inferior to the amount of dechlorination and storage stability. Since Comparative Examples 4 and 5 do not contain the solvent of the general formula (2), they are inferior in printing stability and storage stability.
Claims (6)
一般式(1)
一般式(2)
CH3CO(OR4)mOR5
(式中、R4はエチレン基、プロピレン基またはブチレン基、、R5は炭素数1〜4のアルキル基、mは1〜3の整数を表す。)
In an ink containing at least a pigment, a resin, and a solvent, the ink contains at least a solvent represented by the following general formula (1) and a solvent represented by the following general formula (2). Non-aqueous ink composition.
General formula (1)
General formula (2)
CH 3 CO (OR 4 ) m OR 5
(In the formula, R 4 represents an ethylene group, a propylene group or a butylene group, R 5 represents an alkyl group having 1 to 4 carbon atoms, and m represents an integer of 1 to 3).
A non-aqueous ink composition, wherein the ink composition according to any one of claims 1 to 5 is an ink printed on a vinyl chloride base material.
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