JP2006028291A - Writing utensil - Google Patents
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- JP2006028291A JP2006028291A JP2004207240A JP2004207240A JP2006028291A JP 2006028291 A JP2006028291 A JP 2006028291A JP 2004207240 A JP2004207240 A JP 2004207240A JP 2004207240 A JP2004207240 A JP 2004207240A JP 2006028291 A JP2006028291 A JP 2006028291A
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- Prior art keywords
- writing instrument
- water
- ink
- surfactant
- instrument according
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- 239000000049 pigment Substances 0.000 claims abstract description 33
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 25
- 239000004094 surface-active agent Substances 0.000 claims abstract description 25
- 238000004040 coloring Methods 0.000 claims abstract description 23
- 229920000642 polymer Polymers 0.000 claims abstract description 23
- 239000002904 solvent Substances 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 12
- 239000011347 resin Substances 0.000 claims abstract description 11
- 229920005989 resin Polymers 0.000 claims abstract description 11
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 9
- -1 aromatic sulfonic acids Chemical class 0.000 claims description 27
- QUCDWLYKDRVKMI-UHFFFAOYSA-M sodium;3,4-dimethylbenzenesulfonate Chemical compound [Na+].CC1=CC=C(S([O-])(=O)=O)C=C1C QUCDWLYKDRVKMI-UHFFFAOYSA-M 0.000 claims description 17
- 239000003752 hydrotrope Substances 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000004925 Acrylic resin Substances 0.000 claims description 7
- 229920000178 Acrylic resin Polymers 0.000 claims description 7
- 239000003960 organic solvent Substances 0.000 claims description 7
- JIRHAGAOHOYLNO-UHFFFAOYSA-N (3-cyclopentyloxy-4-methoxyphenyl)methanol Chemical compound COC1=CC=C(CO)C=C1OC1CCCC1 JIRHAGAOHOYLNO-UHFFFAOYSA-N 0.000 claims description 6
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical group C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 6
- 229910052783 alkali metal Inorganic materials 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- LBLYYCQCTBFVLH-UHFFFAOYSA-N 2-Methylbenzenesulfonic acid Chemical compound CC1=CC=CC=C1S(O)(=O)=O LBLYYCQCTBFVLH-UHFFFAOYSA-N 0.000 claims description 5
- CVLHGLWXLDOELD-UHFFFAOYSA-N 4-(Propan-2-yl)benzenesulfonic acid Chemical compound CC(C)C1=CC=C(S(O)(=O)=O)C=C1 CVLHGLWXLDOELD-UHFFFAOYSA-N 0.000 claims description 5
- 239000003945 anionic surfactant Substances 0.000 claims description 4
- 239000003093 cationic surfactant Substances 0.000 claims description 4
- 239000000839 emulsion Substances 0.000 claims description 4
- 239000002736 nonionic surfactant Substances 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims description 4
- 238000007334 copolymerization reaction Methods 0.000 claims description 2
- 238000006116 polymerization reaction Methods 0.000 claims description 2
- 230000003165 hydrotropic effect Effects 0.000 abstract 1
- 239000000976 ink Substances 0.000 description 40
- 239000000178 monomer Substances 0.000 description 25
- 239000000975 dye Substances 0.000 description 21
- 239000003086 colorant Substances 0.000 description 13
- 239000003550 marker Substances 0.000 description 10
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 6
- 239000000654 additive Substances 0.000 description 6
- 230000000996 additive effect Effects 0.000 description 5
- 235000014113 dietary fatty acids Nutrition 0.000 description 5
- 229930195729 fatty acid Natural products 0.000 description 5
- 239000000194 fatty acid Substances 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical group C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- XPFVYQJUAUNWIW-UHFFFAOYSA-N furfuryl alcohol Chemical compound OCC1=CC=CO1 XPFVYQJUAUNWIW-UHFFFAOYSA-N 0.000 description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 2
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical group CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 239000004359 castor oil Substances 0.000 description 2
- 235000019438 castor oil Nutrition 0.000 description 2
- SWXVUIWOUIDPGS-UHFFFAOYSA-N diacetone alcohol Chemical compound CC(=O)CC(C)(C)O SWXVUIWOUIDPGS-UHFFFAOYSA-N 0.000 description 2
- 125000005131 dialkylammonium group Chemical group 0.000 description 2
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-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
- 239000010419 fine particle Substances 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 2
- 239000001023 inorganic pigment Substances 0.000 description 2
- 239000012860 organic pigment Substances 0.000 description 2
- 230000000379 polymerizing effect Effects 0.000 description 2
- 239000003755 preservative agent Substances 0.000 description 2
- 230000002335 preservative effect Effects 0.000 description 2
- 230000001846 repelling effect Effects 0.000 description 2
- 159000000000 sodium salts Chemical class 0.000 description 2
- 125000000542 sulfonic acid group Chemical group 0.000 description 2
- YODZTKMDCQEPHD-UHFFFAOYSA-N thiodiglycol Chemical compound OCCSCCO YODZTKMDCQEPHD-UHFFFAOYSA-N 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 1
- ZWVMLYRJXORSEP-UHFFFAOYSA-N 1,2,6-Hexanetriol Chemical compound OCCCCC(O)CO ZWVMLYRJXORSEP-UHFFFAOYSA-N 0.000 description 1
- CYSGHNMQYZDMIA-UHFFFAOYSA-N 1,3-Dimethyl-2-imidazolidinon Chemical compound CN1CCN(C)C1=O CYSGHNMQYZDMIA-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
- SBASXUCJHJRPEV-UHFFFAOYSA-N 2-(2-methoxyethoxy)ethanol Chemical compound COCCOCCO SBASXUCJHJRPEV-UHFFFAOYSA-N 0.000 description 1
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 1
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 1
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 1
- QWGRWMMWNDWRQN-UHFFFAOYSA-N 2-methylpropane-1,3-diol Chemical compound OCC(C)CO QWGRWMMWNDWRQN-UHFFFAOYSA-N 0.000 description 1
- HVCNXQOWACZAFN-UHFFFAOYSA-N 4-ethylmorpholine Chemical compound CCN1CCOCC1 HVCNXQOWACZAFN-UHFFFAOYSA-N 0.000 description 1
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 1
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-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
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 229920001214 Polysorbate 60 Polymers 0.000 description 1
- NRCMAYZCPIVABH-UHFFFAOYSA-N Quinacridone Chemical compound N1C2=CC=CC=C2C(=O)C2=C1C=C1C(=O)C3=CC=CC=C3NC1=C2 NRCMAYZCPIVABH-UHFFFAOYSA-N 0.000 description 1
- YCUVUDODLRLVIC-UHFFFAOYSA-N Sudan black B Chemical compound C1=CC(=C23)NC(C)(C)NC2=CC=CC3=C1N=NC(C1=CC=CC=C11)=CC=C1N=NC1=CC=CC=C1 YCUVUDODLRLVIC-UHFFFAOYSA-N 0.000 description 1
- ULUAUXLGCMPNKK-UHFFFAOYSA-N Sulfobutanedioic acid Chemical class OC(=O)CC(C(O)=O)S(O)(=O)=O ULUAUXLGCMPNKK-UHFFFAOYSA-N 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 1
- 239000000980 acid dye Substances 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 150000003973 alkyl amines Chemical class 0.000 description 1
- 150000008055 alkyl aryl sulfonates Chemical class 0.000 description 1
- 125000005907 alkyl ester group Chemical group 0.000 description 1
- 150000005215 alkyl ethers Chemical class 0.000 description 1
- 125000005211 alkyl trimethyl ammonium group Chemical group 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 239000002280 amphoteric surfactant Substances 0.000 description 1
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 1
- 150000004056 anthraquinones Chemical class 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 239000000981 basic dye Substances 0.000 description 1
- KYNFOMQIXZUKRK-UHFFFAOYSA-N bishydroxyethyldisulfide Natural products OCCSSCCO KYNFOMQIXZUKRK-UHFFFAOYSA-N 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- MRQIXHXHHPWVIL-UHFFFAOYSA-N chembl1397023 Chemical compound OC1=CC=C2C=CC=CC2=C1N=NC1=CC=CC=C1 MRQIXHXHHPWVIL-UHFFFAOYSA-N 0.000 description 1
- BQFCCCIRTOLPEF-UHFFFAOYSA-N chembl1976978 Chemical compound CC1=CC=CC=C1N=NC1=C(O)C=CC2=CC=CC=C12 BQFCCCIRTOLPEF-UHFFFAOYSA-N 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 125000000664 diazo group Chemical group [N-]=[N+]=[*] 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
- SIYLLGKDQZGJHK-UHFFFAOYSA-N dimethyl-(phenylmethyl)-[2-[2-[4-(2,4,4-trimethylpentan-2-yl)phenoxy]ethoxy]ethyl]ammonium Chemical class C1=CC(C(C)(C)CC(C)(C)C)=CC=C1OCCOCC[N+](C)(C)CC1=CC=CC=C1 SIYLLGKDQZGJHK-UHFFFAOYSA-N 0.000 description 1
- 150000002009 diols Chemical class 0.000 description 1
- PPSZHCXTGRHULJ-UHFFFAOYSA-N dioxazine Chemical compound O1ON=CC=C1 PPSZHCXTGRHULJ-UHFFFAOYSA-N 0.000 description 1
- 239000000982 direct dye Substances 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- UCNNJGDEJXIUCC-UHFFFAOYSA-L hydroxy(oxo)iron;iron Chemical compound [Fe].O[Fe]=O.O[Fe]=O UCNNJGDEJXIUCC-UHFFFAOYSA-L 0.000 description 1
- PXZQEOJJUGGUIB-UHFFFAOYSA-N isoindolin-1-one Chemical compound C1=CC=C2C(=O)NCC2=C1 PXZQEOJJUGGUIB-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910001510 metal chloride Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910052976 metal sulfide Inorganic materials 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000000983 mordant dye Substances 0.000 description 1
- JCGNDDUYTRNOFT-UHFFFAOYSA-N oxolane-2,4-dione Chemical compound O=C1COC(=O)C1 JCGNDDUYTRNOFT-UHFFFAOYSA-N 0.000 description 1
- 125000005702 oxyalkylene group Chemical group 0.000 description 1
- 239000011049 pearl Substances 0.000 description 1
- DGBWPZSGHAXYGK-UHFFFAOYSA-N perinone Chemical compound C12=NC3=CC=CC=C3N2C(=O)C2=CC=C3C4=C2C1=CC=C4C(=O)N1C2=CC=CC=C2N=C13 DGBWPZSGHAXYGK-UHFFFAOYSA-N 0.000 description 1
- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 description 1
- CSHWQDPOILHKBI-UHFFFAOYSA-N peryrene Natural products C1=CC(C2=CC=CC=3C2=C2C=CC=3)=C3C2=CC=CC3=C1 CSHWQDPOILHKBI-UHFFFAOYSA-N 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 150000003016 phosphoric acids Chemical class 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
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 description 1
- TVRGPOFMYCMNRB-UHFFFAOYSA-N quinizarine green ss Chemical compound C1=CC(C)=CC=C1NC(C=1C(=O)C2=CC=CC=C2C(=O)C=11)=CC=C1NC1=CC=C(C)C=C1 TVRGPOFMYCMNRB-UHFFFAOYSA-N 0.000 description 1
- IZMJMCDDWKSTTK-UHFFFAOYSA-N quinoline yellow Chemical compound C1=CC=CC2=NC(C3C(C4=CC=CC=C4C3=O)=O)=CC=C21 IZMJMCDDWKSTTK-UHFFFAOYSA-N 0.000 description 1
- 229940048842 sodium xylenesulfonate Drugs 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- 150000003871 sulfonates Chemical class 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 229950006389 thiodiglycol Drugs 0.000 description 1
- JOUDBUYBGJYFFP-FOCLMDBBSA-N thioindigo Chemical compound S\1C2=CC=CC=C2C(=O)C/1=C1/C(=O)C2=CC=CC=C2S1 JOUDBUYBGJYFFP-FOCLMDBBSA-N 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
Landscapes
- Pens And Brushes (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
Description
本発明は、筆記具に関し、特に、消去時に残跡が残ることがなく、筆記時のボード面でのはじきがなく、粘度が低く、筆記具として安全なインキを用いたボード用マーカ−などの筆記具に関する。 The present invention relates to a writing instrument, and in particular, relates to a writing instrument such as a marker for a board that uses a safe ink as a writing instrument, with no remnants remaining at the time of erasure, no repelling on the board surface during writing, low viscosity. .
従来のボード用マーカーなどの筆記具に用いられるインキは、比較的揮発性の高い溶剤と、顔料や染料などの着色剤と、樹脂と添加剤を加えたもので構成されている。着色剤はインキの色合いを定めるためのものであり、樹脂は着色剤を被覆してマーカーで描かれた文字や線画を安定させるためのものである。また添加剤はボードと樹脂によって被覆された着色剤の間に介在して着色剤が板面に固着することを防止し、拭き取ると容易に消せるような働きを有するものなどが用いられている(特許文献1参照。)。
ところで、着色剤として顔料を用いた場合には、着色度が高く筆跡が堅牢であるという長所があるが、顔料のかなり細かな粒子がボードの表面のミクロな凹凸面に残ってしまって拭いてもとりきれず、残跡が残るという問題があった。一方、染料を用いる場合には、筆跡が透明で、残跡が残らないが、濃度が薄く、筆跡の着色度や光沢が劣るという問題があった。
Ink used for a writing instrument such as a conventional board marker is composed of a solvent having a relatively high volatility, a colorant such as a pigment or a dye, a resin and an additive. The colorant is for determining the color of the ink, and the resin is for covering the colorant and stabilizing the characters and line drawings drawn with the markers. In addition, the additive is used between the colorant coated with the board and the resin to prevent the colorant from adhering to the plate surface, and has such a function that it can be easily erased when wiped off ( (See Patent Document 1).
By the way, when a pigment is used as the colorant, there is an advantage that the coloring degree is high and the handwriting is strong, but the fine particles of the pigment remain on the micro uneven surface of the board surface and wipe it off. However, there was a problem that the remains remained. On the other hand, when a dye is used, the handwriting is transparent and no residue remains, but there is a problem that the concentration is low and the coloring degree and gloss of the handwriting are inferior.
これを解決するために、最近ではモノマーを重合して得られるポリマー(樹脂)のエマルジョンまたは懸濁液を染料及び/または顔料を含む色材で着色したポリマー(以下カラードポリマーという。)を着色剤として用いる方法が採られている。カラードポリマーは多数の色合いのものが市販されており、これを用いると、比較的濃度が濃く、着色度や光沢が高く、顔料で着色したものであっても残跡が残らない着色剤が得られる。
しかし、この方法では、アクリル樹脂などのポリマーを重合する際に、モノマーであるアクリロニトリルなどのように毒性があって有害なものが残存する可能性が残るという問題がある。
However, this method has a problem that when a polymer such as an acrylic resin is polymerized, there is a possibility that a toxic and harmful substance such as acrylonitrile as a monomer remains.
以上に述べたように、従来のボード用マーカーで着色剤として顔料を用いたものは、拭き取っても顔料の細かい粒子がボード表面の凹凸に残って残跡が残るという問題があり、染料を用いたものは、濃度が薄く、筆跡の着色度や光沢が劣るというも問題があった。これを避けるため、染料及び/または顔料を含む色材で着色したカラードポリマーを用いる方法が採られているが、モノマーが残ると筆記具としての安全性が落ちるという問題が生まれる。
本発明はこのような問題を解決して、消去時に残跡が残らず、筆記具としての安全性が高く、かつ筆跡がとぎれることのない水溶性のインキを用いたボード用マーカーなどの筆記具の実現を課題とする。
As described above, conventional board markers that use pigment as a colorant have the problem that fine particles of the pigment remain on the uneven surface of the board even after wiping, leaving a residue. However, there was a problem that the density was low and the coloring and gloss of the handwriting were inferior. In order to avoid this, a method using a colored polymer colored with a coloring material containing a dye and / or a pigment is employed. However, if the monomer remains, there arises a problem that safety as a writing instrument is lowered.
The present invention solves such a problem and realizes a writing instrument such as a marker for a board using water-soluble ink that does not leave a remnant at the time of erasure, is highly safe as a writing instrument, and does not break the handwriting. Is an issue.
上記課題を達成するため、本発明の請求項1の筆記具は、溶剤と、染料及び/または顔料を含む色材で着色されたカラードポリマーと、疎水性の界面活性剤と、水溶性樹脂と、前記疎水性界面活性剤の前記溶剤への溶解度を高めるために用いるハイドロトロープ剤とを含むインキを用いたことを特徴とする。 In order to achieve the above object, a writing instrument according to claim 1 of the present invention includes a solvent, a colored polymer colored with a coloring material containing a dye and / or a pigment, a hydrophobic surfactant, a water-soluble resin, An ink containing a hydrotrope used for increasing the solubility of the hydrophobic surfactant in the solvent is used.
上記課題を達成するため、本発明の請求項2の発明は、請求項1に記載の筆記具において、前記ハイドロトロープ剤は芳香族スルホン酸およびそれらのアルカリ金属塩からなる群より選択された少なくとも一種であることを特徴とする。 In order to achieve the above object, the invention according to claim 2 of the present invention is the writing instrument according to claim 1, wherein the hydrotrope is at least one selected from the group consisting of aromatic sulfonic acids and alkali metal salts thereof. It is characterized by being.
上記課題を達成するため、本発明の請求項3の発明は、請求項2に記載の筆記具において、前記ハイドロトロープ剤はキシレンスルホン酸またはトルエンスルホン酸またはキュメンスルホン酸およびそれらのアルカリ金属塩からなる群より選択された少なくとも一種であることを特徴とする。 To achieve the above object, the invention according to claim 3 of the present invention is the writing instrument according to claim 2, wherein the hydrotrope agent comprises xylene sulfonic acid, toluene sulfonic acid, cumene sulfonic acid, and alkali metal salts thereof. It is at least one selected from the group.
上記課題を達成するため、本発明の請求項4の発明は、請求項1から請求項3のいずれかに記載の筆記具において、前記ハイドロトロープ剤が0.1〜15重量%、好ましくは0.5〜5重量%含まれていることを特徴とする。 In order to achieve the above object, the invention according to claim 4 of the present invention is the writing instrument according to any one of claims 1 to 3, wherein the hydrotrope agent is 0.1 to 15% by weight, preferably 0.8. It is characterized by containing 5 to 5% by weight.
上記課題を達成するため、本発明の請求項5の発明は、請求項1から請求項4のいずれかに記載の筆記具において、前記溶剤は水または水と水溶性の有機溶剤の混合物であることを特徴とする。 In order to achieve the above object, the invention according to claim 5 of the present invention is the writing instrument according to any one of claims 1 to 4, wherein the solvent is water or a mixture of water and a water-soluble organic solvent. It is characterized by.
上記課題を達成するため、本発明の請求項6の発明は、請求項1から請求項5のいずれかに記載の筆記具において、前記カラードポリマーは、アクリロニトリルモノマーの単一重合または共重合から得られるアクリル樹脂エマルジョンまたはアクリル樹脂の懸濁液を染料及び/または顔料を含む色材で着色したものであることを特徴とする。 In order to achieve the above object, the invention according to claim 6 of the present invention is the writing instrument according to any one of claims 1 to 5, wherein the colored polymer is obtained from a single polymerization or copolymerization of an acrylonitrile monomer. An acrylic resin emulsion or an acrylic resin suspension is colored with a coloring material containing a dye and / or a pigment.
上記課題を達成するため、本発明の請求項7の発明は、請求項1から請求項6のいずれかに記載の筆記具において、前記疎水性の界面活性剤は、親水−親油平衡(HLB)が10以下の非イオン界面活性剤、カチオン界面活性剤あるいはアニオン界面活性剤であることを特徴とする。 To achieve the above object, the invention according to claim 7 of the present invention is the writing instrument according to any one of claims 1 to 6, wherein the hydrophobic surfactant is hydrophilic-lipophilic equilibrium (HLB). Is 10 or less nonionic surfactant, cationic surfactant or anionic surfactant.
本発明の筆記具は、上記のように、染料及び/または顔料を含む色材で着色されたカラードポリマーを用いたインキを使用しているため、顔料をそのまま用いたインキを使用する場合のように消去時にボード上に残跡が残ることがなく、染料をそのまま用いたインキを使用する場合に比して、濃度が濃く、着色度や光沢が高い。さらに、疎水性の界面活性剤を加えることで、反応率を上げてモノマーの残存率を100ppm以下に抑えることができ、筆記具としての安全性を高めることができる。また、疎水性の界面活性剤を加えたために、インキの粘度が高くなり、高速筆記時のインキ追従性が悪くなり、筆記時にボード上で文字がはじかれて途切れたりする問題は、疎水性の界面活性剤の水に対する溶解度を高める機能を有するハイドロトロープ剤を加えることで解決することができる。
これにより、消去時に残跡が残らず、筆記具としての安全性が高く、かつ筆跡がとぎれることのない水溶性のインキを用いたボードマーカーなどの筆記具を実現することができる。
Since the writing instrument of the present invention uses an ink using a colored polymer colored with a coloring material containing a dye and / or a pigment as described above, as in the case of using an ink using the pigment as it is. There is no trace left on the board at the time of erasing, and the density is high and the coloring degree and gloss are high compared to the case of using the ink using the dye as it is. Furthermore, by adding a hydrophobic surfactant, the reaction rate can be increased and the residual rate of the monomer can be suppressed to 100 ppm or less, and the safety as a writing instrument can be improved. In addition, due to the addition of hydrophobic surfactants, the viscosity of the ink increases, ink followability at high speed writing deteriorates, and the problem that characters are repelled on the board during writing and is interrupted is hydrophobic. This can be solved by adding a hydrotrope having a function of increasing the solubility of the surfactant in water.
As a result, it is possible to realize a writing instrument such as a board marker using water-soluble ink that does not leave a remnant during erasure, has high safety as a writing instrument, and does not break the handwriting.
本発明の筆記具は、水または水と水溶性の有機溶剤を溶剤とし、染料及び/または顔料を含む色材で着色されたカラードポリマーを着色剤として用い、さらに、添加剤として、疎水性の界面活性剤とハイドロトロープ剤および定着用の樹脂などを含んで構成されたインキを用いている。界面活性剤は、物質の界面に働いて界面の性質を変え、界面を混じりやすくする働きを有するものであるが、本発明ではカラードポリマーを構成するモノマーの反応率を上げて有害なモノマーの残存率を抑える役割を果たす化合物をいう。又、ハイドロトロープ剤は、一般には溶液に難溶性の物質の溶解性を高める作用を有する化合物をさすが、本発明においては、ハイドロトロープ剤は疎水性の界面活性剤の水に対する溶解度を高める機能を有する化合物をいう。 The writing instrument of the present invention uses water or water and a water-soluble organic solvent as a solvent, a colored polymer colored with a coloring material containing a dye and / or pigment as a colorant, and further, a hydrophobic interface as an additive. An ink containing an activator, a hydrotrope agent, a fixing resin, and the like is used. Surfactant has the function of changing the properties of the interface by acting on the interface of the substance and making the interface easy to mix, but in the present invention, the residual rate of harmful monomers is increased by increasing the reaction rate of the monomers constituting the colored polymer. A compound that plays a role in reducing the rate. The hydrotrope generally refers to a compound having an action of increasing the solubility of a hardly soluble substance in a solution. In the present invention, the hydrotrope has a function of increasing the solubility of a hydrophobic surfactant in water. The compound which has.
このような構成によると、染料及び/または顔料を含む色材で着色されたカラードポリマーを着色剤として用いているため、顔料をそのまま用いたインキを使った場合のように消去時にボード上に残跡が残ることがない。また、染料をそのまま用いる場合に比して、筆跡の濃度が濃く、着色度や光沢が高い水性インキを使った筆記具が得られる。
しかし、カラードポリマー中にはアクリロニトリルモノマーなど毒性のある有害なモノマーが残存することがあるという問題がある。これを解決するためには、モノマーの重合性を高めてインキ中に非重合の樹脂モノマーが残らないようにすることが好ましい。このために、添加剤として疎水性の界面活性剤を加えてモノマーの反応率を上げるようにして、カラードポリマー中のモノマー残存率を抑え、筆記具としての安全性を高めるようにする。
According to such a configuration, since a colored polymer colored with a coloring material containing a dye and / or pigment is used as a colorant, it remains on the board at the time of erasing as in the case of using an ink using the pigment as it is. There is no trace left. In addition, a writing instrument using a water-based ink having a high handwriting density and a high degree of coloring and gloss as compared with the case of using the dye as it is can be obtained.
However, there is a problem that toxic and harmful monomers such as acrylonitrile monomer may remain in the colored polymer. In order to solve this, it is preferable to increase the polymerizability of the monomer so that the non-polymerized resin monomer does not remain in the ink. For this reason, a hydrophobic surfactant is added as an additive to increase the monomer reaction rate, thereby suppressing the monomer residual rate in the colored polymer and improving the safety as a writing instrument.
しかしながら、このような疎水性の界面活性剤を加えると、有害なモノマーの残存率を少なくして筆記具としての安全性を高めることができるが、インキの粘度が高くなって、高速筆記時の追従性が悪くなり、ボード上で筆記の際にインキがはじかれて筆跡がとぎれるという問題が生まれる。
これを防ぐために、本発明では、キシレンスルホン酸あるいはキシレンスルホン酸のナトリウム塩などのハイドロトロープ剤を加えるようにした。これにより、親油性のキシレン基が疎水性の界面活性剤と結びつき、親水性のスルホン酸基が水系と馴染むので、同じ系の中で疎水物と親水物とをつなげる作用が働きインキ系が安定化し、かつボード上でのはじきや粘度が高くなるの防ぐことができる。トルエンスルホン酸またはキュメンスルホン酸あるいはトルエンスルホン酸またはキュメンスルホン酸のナトリウム塩、または他の芳香族スルホン酸あるいはそのアルカリ金属塩を用いても作用は同様である。
このようにすると、消去時に残跡が残らず、筆記具としての安全性が高く、かつ筆跡がとぎれることのない水溶性のインキを用いたボードマーカーなどの筆記具を実現することができる。
However, the addition of such hydrophobic surfactants can reduce the residual rate of harmful monomers and increase the safety of writing instruments, but the viscosity of the ink increases, and tracking during high-speed writing is possible. The problem is that the ink is repelled and the handwriting is broken when writing on the board.
In order to prevent this, in the present invention, a hydrotrope such as xylene sulfonic acid or a sodium salt of xylene sulfonic acid is added. As a result, the lipophilic xylene group is linked to the hydrophobic surfactant, and the hydrophilic sulfonic acid group is compatible with the aqueous system, so the action of linking the hydrophobic and hydrophilic substances in the same system works and the ink system is stable. And can prevent repelling and viscosity on the board from increasing. The action is similar when toluenesulfonic acid or cumenesulfonic acid, sodium salt of toluenesulfonic acid or cumenesulfonic acid, or other aromatic sulfonic acid or alkali metal salt thereof is used.
In this way, it is possible to realize a writing instrument such as a board marker using water-soluble ink that does not leave a remnant at the time of erasure, has high safety as a writing instrument, and does not break the handwriting.
本発明の筆記具に用いられるインキでは、カラードポリマーの含有比率は約0.5〜約50重量%、好ましくは約1〜約40重量%、より好ましくは約1〜約30重量%であり、水または水と水溶性の有機溶剤の混合物の含有比率は約1〜約60重量%、好ましくは5〜40重量%であり、また添加剤の含有比率は約20重量%以下である。 In the ink used for the writing instrument of the present invention, the content ratio of the colored polymer is about 0.5 to about 50% by weight, preferably about 1 to about 40% by weight, more preferably about 1 to about 30% by weight, Alternatively, the content of the mixture of water and the water-soluble organic solvent is about 1 to about 60% by weight, preferably 5 to 40% by weight, and the content of the additive is about 20% by weight or less.
カラードポリマーは、アクリロニトリルモノマーを重合して得られる、あるいはアクリロニトリルモノマーとスチレンモノマーなどのコポリマーからなるアクリル樹脂のエマルジョンまたはアクリル樹脂の懸濁液を染料及び/または顔料を含む色材で着色したもので、市販されているものから、必要とされる色彩のものを選んで使用することができる。例えば、日本蛍光化学工業株式会社製のルミコールNKWシリーズなどである。
カラードポリマーを着色する染料としては、通常の染料インキ組成物に用いられる直接染料、酸性染料、塩基性染料、媒染・酸性媒染染料、アルコール可溶性染料、油溶性染料、アゾイック染料、含金染料及び各種造塩タイプの染料を用いることができる。
具体的には、例えば、C.I.(カラーインデックス)ソルベントブラック3、同27、C.I.ソルベントレッド8、同49、C.I.ソルベントブルー2、同11、同70、C.I.ソルベントグリーン3、C.I.ソルベントイエロー14、同61、C.I.ソルベントオレンジ2、同37、C.I.ソルベントバイオレット3、同8などがある。
又、カラードポリマーを着色する顔料としては、無機顔料、有機顔料をそのまま用いることができる。無機顔料では黄土、バリウム黄、紺青、カドミュウムレッド、酸化チタン、ベンガラ、鉄黒、カーボンブラック、マイカ、パール顔料、その他の金属酸化物、金属硫化物、金属塩化物などが挙げられる。有機顔料としては、アゾ顔料、ジアゾ顔料、フタロシアニン顔料、キナクリドン顔料、イソインドリノン顔料、ジオキサジン顔料、ぺリレン顔料、ぺリノン顔料、チオインジゴ顔料、アントラキノン顔料、キノフタロン顔料などが挙げられる。
ただし、染料、顔料ともこれらに限定されるものではない。
着色に際しては、混練り機や攪拌機などの機械を用いた機械的な着色方法が採られている。
Colored polymer is obtained by polymerizing acrylonitrile monomer, or is an acrylic resin emulsion or acrylic resin suspension made of a copolymer of acrylonitrile monomer and styrene monomer, and colored with a coloring material containing a dye and / or pigment. From the commercially available products, those having the required colors can be selected and used. For example, there is Lumicol NKW series manufactured by Nippon Fluorochemical Industries, Ltd.
As dyes for coloring colored polymers, direct dyes, acid dyes, basic dyes, mordant / acid mordant dyes, alcohol-soluble dyes, oil-soluble dyes, azoic dyes, metal-containing dyes and various dyes used in ordinary dye ink compositions Salt-forming dyes can be used.
Specifically, for example, C.I. I. (Color Index) Solvent Black 3, 27, C.I. I. Solvent Red 8, 49, C.I. I. Solvent Blue 2, 11 and 70, C.I. I. Solvent Green 3, C.I. I. Solvent Yellow 14, 61, C.I. I. Solvent Orange 2, 37, C.I. I. Solvent Violet 3, 8 and so on.
In addition, as a pigment for coloring the colored polymer, an inorganic pigment or an organic pigment can be used as it is. Examples of inorganic pigments include ocher, barium yellow, bitumen, cadmium red, titanium oxide, bengara, iron black, carbon black, mica, pearl pigment, other metal oxides, metal sulfides, and metal chlorides. Examples of the organic pigment include azo pigments, diazo pigments, phthalocyanine pigments, quinacridone pigments, isoindolinone pigments, dioxazine pigments, perylene pigments, perinone pigments, thioindigo pigments, anthraquinone pigments, and quinophthalone pigments.
However, the dye and the pigment are not limited to these.
For coloring, a mechanical coloring method using a machine such as a kneader or a stirrer is employed.
本発明の筆記具のインキで用いられる溶剤には主として水が用いられるが、インキ構成物質の溶解度を高めるために必要に応じて水溶性の有機溶剤を混入させることもできる。水溶性の有機溶剤としては、例えば、エタノール、メタノール、プロパノール、ブタノール、グリセリン、ソルビトール、トリエタノールアミン、ジエタノールアミン、モノエタノールアミン、エチレングリコール、ジエチレングリコール、チオジグリコール、ジチオジグリコール、チオジエチレングリコール、ポリエチレングリコール、プロピレングリコール、ブチレングリコール、2−メチル−1,3−プロパンジオール、1,2,6−ヘキサントリオール、トリメチロールプロパン、ジエタノールアミン、アミルアルコール、フルフリルアルコール、ジアセトンアルコール、エチレングリコールモノメチルエーテル、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モノメチルエーテル、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モノブチルエーテル、プロピレングリコールモノブチルエーテル、エチレングリコールモノメチルエーテルアセテート、1,3−ジメチル−2−イミダゾリジノン、N−エチルモルホリン、スルフォラン、2−ピロリドン、N−メチル−2−ピロリドン等が挙げられる。
この水溶性有機溶剤は1種又は2種以上を併用することもできる。
Although water is mainly used as the solvent used in the ink of the writing instrument of the present invention, a water-soluble organic solvent can be mixed as necessary in order to increase the solubility of the ink constituting material. Examples of water-soluble organic solvents include ethanol, methanol, propanol, butanol, glycerin, sorbitol, triethanolamine, diethanolamine, monoethanolamine, ethylene glycol, diethylene glycol, thiodiglycol, dithiodiglycol, thiodiethylene glycol, and polyethylene glycol. , Propylene glycol, butylene glycol, 2-methyl-1,3-propanediol, 1,2,6-hexanetriol, trimethylolpropane, diethanolamine, amyl alcohol, furfuryl alcohol, diacetone alcohol, ethylene glycol monomethyl ether, ethylene Glycol monobutyl ether, diethylene glycol monomethyl ether, diethylene glycol monoethyl Ether, diethylene glycol monobutyl ether, propylene glycol monobutyl ether, ethylene glycol monomethyl ether acetate, 1,3-dimethyl-2-imidazolidinone, N-ethylmorpholine, sulfolane, 2-pyrrolidone, N-methyl-2-pyrrolidone, etc. It is done.
These water-soluble organic solvents can be used alone or in combination of two or more.
本発明の筆記具のインキに用いられる疎水性の界面活性剤には、従来からインキに用いられるようなもので、インキに悪影響を及ぼさず溶剤に相溶可能なものを用いることができる。
用いられる疎水性の界面活性剤は、親水−親油平衡(Hydrophile Lipophile Blance:HLB)値が10以下、好ましくは9未満である。
例えば、界面活性剤としては非イオン界面活性剤、カチオン系界面活性剤あるいはアニオン系界面活性剤が挙げられる。例えば、アニオン系界面活性剤としては、脂肪酸塩、アルキル硫酸エステル塩、アルキルアリールスルホン酸塩(例えば、アルキルベンゼンスルホン酸塩、石油スルホン酸塩など)、ジアルキルスルホコハク酸塩、アルキルリン酸エステル塩、ナフタレンスルホン酸ホルマリン縮合物、ポリオキシエチレンアルキル硫酸エステル塩等を挙げることができる。
非イオン系界面活性剤としては、アセチレン系ジオール、ポリオキシエチレンアルキルエーテル、ポリオキシエチレン脂肪酸エステル、ポリオキシエチレンひまし油、ポリオキシエチレン硬化ひまし油、ソルビタン脂肪酸エステル、ポリオキシエチレンソルビタン脂肪酸エステル、ポリオキシエチレンアルキルアミン、グリセリン脂肪酸エステル、オキシエチレンオキシプロピレンブロックコポリマー等を挙げることができる。
カチオン系界面活性剤としては、ジアキルジメチルアンモニウム塩、エステル型ジアキルアンモニウム塩、アミド型ジアキルアンモニウム塩、ジアキルイミダゾリニウム塩、アルキルトリメチルアンモニウム塩、メチル・ポリオキシエチレン・アルキルアンモニウム塩、アルキル・メチルピリジウム塩、モノまたはジアキルメチル化アンモニウム塩、アルキルペンタメチルプロピレンジアミン塩、アルキルジメチルベンザルコニウム塩、ベンゼトニウム塩などを挙げることができる。
また、N,N−ジメチル−N−アルキルアミンオキシドのようなアミンオキシド型の両性界面活性剤等も好ましい。
このような界面活性剤を加えることで、本発明では使用されるインキのカラードポリマー中のモノマーの残存率を100ppm以下に抑えることができ、筆記具としての安全性を高めることができる。
As the hydrophobic surfactant used in the ink of the writing instrument of the present invention, those that have been conventionally used in inks and that are compatible with solvents without adversely affecting the ink can be used.
The hydrophobic surfactant to be used has a hydrophilic-lipophilic balance (HLB) value of 10 or less, preferably less than 9.
For example, the surfactant includes a nonionic surfactant, a cationic surfactant, or an anionic surfactant. For example, anionic surfactants include fatty acid salts, alkyl sulfate esters, alkylaryl sulfonates (eg, alkylbenzene sulfonates, petroleum sulfonates, etc.), dialkyl sulfosuccinates, alkyl phosphate esters, naphthalene. Examples thereof include sulfonic acid formalin condensate and polyoxyethylene alkyl sulfate ester salt.
Nonionic surfactants include acetylene-based diol, polyoxyethylene alkyl ether, polyoxyethylene fatty acid ester, polyoxyethylene castor oil, polyoxyethylene hydrogenated castor oil, sorbitan fatty acid ester, polyoxyethylene sorbitan fatty acid ester, polyoxyethylene Examples thereof include alkylamines, glycerin fatty acid esters, and oxyethyleneoxypropylene block copolymers.
Examples of cationic surfactants include dialkyldimethylammonium salt, ester-type dialkylammonium salt, amide-type dialkylammonium salt, dialkylimidazolinium salt, alkyltrimethylammonium salt, methyl-polyoxyethylene-alkylammonium salt, Examples thereof include alkyl methylpyridinium salts, mono- or dialkylmethylated ammonium salts, alkylpentamethylpropylenediamine salts, alkyldimethylbenzalkonium salts, and benzethonium salts.
An amine oxide type amphoteric surfactant such as N, N-dimethyl-N-alkylamine oxide is also preferred.
By adding such a surfactant, the residual ratio of the monomer in the colored polymer of the ink used in the present invention can be suppressed to 100 ppm or less, and the safety as a writing instrument can be improved.
本発明の筆記具のインキに用いられるハイドロトロープ剤は、インキに悪影響を及ぼさず溶剤に相溶可能なものであって、キシレンスルホン酸、トルエンスルホン酸、キュメンスルホン酸等の芳香族スルホン酸およびそれらのアルカリ金属塩からなる群より選択された少なくとも一種を用いることができる。
ハイドロトロープ剤は疎水性の界面活性剤の水に対する溶解度を高める機能を有している。キシレンスルホン酸を例にとると、親油性のキシレン基が疎水性の界面活性剤と結びつき、親水性のスルホン酸基が水系に馴染み、同じ系の中の疎水物と浸水物をつなげて安定化させるので、疎水性の界面活性剤の水に対する溶解度が高くなって、粘度を低くすることができる。
このハイドロトロープ剤は、含有比率が0.1〜15重量%、好ましくは0.5〜5重量%の範囲で用いられる。
The hydrotrope used in the ink of the writing instrument of the present invention is compatible with a solvent without adversely affecting the ink, and includes aromatic sulfonic acids such as xylene sulfonic acid, toluene sulfonic acid, cumene sulfonic acid, and the like. At least one selected from the group consisting of alkali metal salts can be used.
The hydrotrope agent has a function of increasing the solubility of the hydrophobic surfactant in water. Taking xylene sulfonic acid as an example, the lipophilic xylene group is linked to the hydrophobic surfactant, the hydrophilic sulfonic acid group is compatible with the water system, and the hydrophobic and water-immersed substances in the same system are connected and stabilized. Therefore, the solubility of the hydrophobic surfactant in water can be increased, and the viscosity can be lowered.
This hydrotrope agent is used in the range of 0.1 to 15% by weight, preferably 0.5 to 5% by weight.
定着用の水溶性樹脂は、溶剤である水などが蒸発した際に被膜化してインキのボード面に対する定着剤として働くと共に、インキとボード面の間に位置して消去性能を向上させる役割を果たすものである。定着性樹脂としては、親水性モノマーと疎水性モノマーとを共重合して得られる水に可溶な水溶性ポリマーが挙げられる。親水性モノマーとしては、不飽和カルボン酸モノマー、不飽和スルホン酸モノマー、不飽和リン酸モノマー、不飽和アミンモノマー等の塩生成基含有モノマー及びその塩、水酸基、アシド基、オキシアルキレン基等を含むノニオン性モノマーが挙げられる。疎水性モノマーとしては、スチレン等の芳香族基を含有するモノマー、(メタ)アクリル酸の炭素数1〜30のアルキルエステルモノマー等が挙げられる。 The water-soluble resin for fixing works as a fixing agent for the ink board surface by forming a film when water as a solvent evaporates, and also serves to improve the erasing performance between the ink and the board surface. Is. Examples of the fixing resin include water-soluble water-soluble polymers obtained by copolymerizing a hydrophilic monomer and a hydrophobic monomer. Examples of the hydrophilic monomer include a salt-forming group-containing monomer such as an unsaturated carboxylic acid monomer, an unsaturated sulfonic acid monomer, an unsaturated phosphoric acid monomer, and an unsaturated amine monomer, and a salt thereof, a hydroxyl group, an acid group, and an oxyalkylene group. Nonionic monomers are exemplified. As a hydrophobic monomer, the monomer containing aromatic groups, such as styrene, the C1-C30 alkylester monomer of (meth) acrylic acid, etc. are mentioned.
本発明の筆記具のインキには、さらに、添加剤として、粘度調整用に若干の親水性界面活性剤や、インキの腐敗を防止するための防腐剤を含ませることができる。さらに、ボードマーカーとしてボードの黒ずみなどを隠蔽するための白色インキを構成要素として加えることが望ましい。白色インキとしては酸化チタンペーストインキなどが好ましい。 The ink of the writing instrument of the present invention can further contain, as additives, a slight amount of a hydrophilic surfactant for viscosity adjustment and a preservative for preventing the ink from decaying. Furthermore, it is desirable to add white ink as a component for hiding the darkening of the board as a board marker. As the white ink, titanium oxide paste ink is preferable.
本発明の筆記具に用いられるインキの一実施例の組成比率を以下にあげる。この例は赤色のボードマーカー用インキの例である。
カラードポリマー(日本蛍光化学工業株式会社製、ルミコールNKW、赤色)30重量%
キシレンスルホン酸ナトリウム 3重量%
酸化チタンペーストインキ 15重量%
水溶性樹脂 1重量%
エタノール 2重量%
親水性界面活性剤 0.2重量%
防腐剤 0.1重量%
水 48.7重量%
これによって得られた赤色のボードマーカー用インキは、ボードマーカーとして用いて、ボード上での着色度が高く、筆跡が堅牢でかすれなどがなく、消去性能が良く消去後に残跡が残ることがない、良好な特性を有している。
なお、色ごとにそれぞれ、カラードポリマーの種類と組成比率は異なるものである。
The composition ratio of one example of the ink used for the writing instrument of the present invention is listed below. This example is an example of red board marker ink.
30% by weight of colored polymer (Nippon Fluorescent Chemical Co., Ltd., Lumicol NKW, red)
Sodium xylene sulfonate 3% by weight
Titanium oxide paste ink 15% by weight
Water-soluble resin 1% by weight
2% ethanol
0.2% by weight of hydrophilic surfactant
Preservative 0.1% by weight
48.7% by weight of water
The resulting red board marker ink is used as a board marker, has a high degree of coloration on the board, has a solid handwriting and no fading, has good erasing performance, and no residue remains after erasing. , Have good characteristics.
In addition, the kind and composition ratio of a colored polymer differ for every color, respectively.
以上のように、本発明の筆記具は、消去時に残跡が残らず、筆記具としての安全性が高く、かつ筆跡がとぎれることがないので、ボード用マーカーなどとして好適に利用することができる。 As described above, the writing instrument of the present invention does not leave a remnant at the time of erasure, is highly safe as a writing instrument, and does not break the handwriting, and thus can be suitably used as a marker for a board.
Claims (7)
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JP2013082922A (en) * | 2011-09-29 | 2013-05-09 | Chiba Inst Of Technology | Printing apparatus using natural coloring matter-containing ink |
WO2014034662A1 (en) | 2012-08-31 | 2014-03-06 | 三菱鉛筆株式会社 | Water-based pigment ink composition |
WO2018124124A1 (en) * | 2016-12-28 | 2018-07-05 | 花王株式会社 | Cleaning liquid for aqueous ink |
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WO2014034662A1 (en) | 2012-08-31 | 2014-03-06 | 三菱鉛筆株式会社 | Water-based pigment ink composition |
WO2018124124A1 (en) * | 2016-12-28 | 2018-07-05 | 花王株式会社 | Cleaning liquid for aqueous ink |
JP2018104637A (en) * | 2016-12-28 | 2018-07-05 | 花王株式会社 | Cleaning fluid for water-based ink |
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