JP2012092250A - Ink composition for oily ball point pen, and oily ball point pen refill using the same - Google Patents
Ink composition for oily ball point pen, and oily ball point pen refill using the same Download PDFInfo
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- JP2012092250A JP2012092250A JP2010241820A JP2010241820A JP2012092250A JP 2012092250 A JP2012092250 A JP 2012092250A JP 2010241820 A JP2010241820 A JP 2010241820A JP 2010241820 A JP2010241820 A JP 2010241820A JP 2012092250 A JP2012092250 A JP 2012092250A
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- 239000000203 mixture Substances 0.000 title claims abstract description 55
- -1 sulfoxide compound Chemical class 0.000 claims abstract description 41
- 239000003086 colorant Substances 0.000 claims abstract description 8
- 239000002904 solvent Substances 0.000 claims abstract description 7
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 8
- 150000003973 alkyl amines Chemical class 0.000 claims description 8
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims description 7
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 7
- 239000000194 fatty acid Substances 0.000 claims description 7
- 229930195729 fatty acid Natural products 0.000 claims description 7
- 150000004665 fatty acids Chemical class 0.000 claims description 7
- 125000004432 carbon atom Chemical group C* 0.000 claims description 5
- 239000002798 polar solvent Substances 0.000 claims description 5
- 238000005299 abrasion Methods 0.000 abstract description 4
- 230000001629 suppression Effects 0.000 abstract 2
- 239000003921 oil Substances 0.000 description 34
- 239000000975 dye Substances 0.000 description 12
- 238000012360 testing method Methods 0.000 description 12
- 239000000049 pigment Substances 0.000 description 9
- 229920005989 resin Polymers 0.000 description 8
- 239000011347 resin Substances 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 239000004094 surface-active agent Substances 0.000 description 7
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 6
- 239000000981 basic dye Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 239000000314 lubricant Substances 0.000 description 4
- 230000001050 lubricating effect Effects 0.000 description 4
- QCDWFXQBSFUVSP-UHFFFAOYSA-N 2-phenoxyethanol Chemical compound OCCOC1=CC=CC=C1 QCDWFXQBSFUVSP-UHFFFAOYSA-N 0.000 description 3
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 230000032683 aging Effects 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 3
- 150000002576 ketones Chemical class 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229960005323 phenoxyethanol Drugs 0.000 description 3
- RAPZEAPATHNIPO-UHFFFAOYSA-N risperidone Chemical compound FC1=CC=C2C(C3CCN(CC3)CCC=3C(=O)N4CCCCC4=NC=3C)=NOC2=C1 RAPZEAPATHNIPO-UHFFFAOYSA-N 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- CCAFPWNGIUBUSD-UHFFFAOYSA-N diethyl sulfoxide Chemical compound CCS(=O)CC CCAFPWNGIUBUSD-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 150000007524 organic acids Chemical class 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 125000000475 sulfinyl group Chemical group [*:2]S([*:1])=O 0.000 description 2
- LOMGRMLVVBQVNJ-HUAZRZQGSA-N (3R,4R)-4-(hydroxymethyl)-3-[(1S)-1-hydroxy-4-methylhexyl]oxolan-2-one Chemical compound CCC(C)CC[C@H](O)[C@H]1[C@H](CO)COC1=O LOMGRMLVVBQVNJ-HUAZRZQGSA-N 0.000 description 1
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
- JXTGICXCHWMCPM-UHFFFAOYSA-N (methylsulfinyl)benzene Chemical compound CS(=O)C1=CC=CC=C1 JXTGICXCHWMCPM-UHFFFAOYSA-N 0.000 description 1
- IBLKWZIFZMJLFL-UHFFFAOYSA-N 1-phenoxypropan-2-ol Chemical compound CC(O)COC1=CC=CC=C1 IBLKWZIFZMJLFL-UHFFFAOYSA-N 0.000 description 1
- BQCCJWMQESHLIT-UHFFFAOYSA-N 1-propylsulfinylpropane Chemical compound CCCS(=O)CCC BQCCJWMQESHLIT-UHFFFAOYSA-N 0.000 description 1
- FWLHAQYOFMQTHQ-UHFFFAOYSA-N 2-N-[8-[[8-(4-aminoanilino)-10-phenylphenazin-10-ium-2-yl]amino]-10-phenylphenazin-10-ium-2-yl]-8-N,10-diphenylphenazin-10-ium-2,8-diamine hydroxy-oxido-dioxochromium Chemical compound O[Cr]([O-])(=O)=O.O[Cr]([O-])(=O)=O.O[Cr]([O-])(=O)=O.Nc1ccc(Nc2ccc3nc4ccc(Nc5ccc6nc7ccc(Nc8ccc9nc%10ccc(Nc%11ccccc%11)cc%10[n+](-c%10ccccc%10)c9c8)cc7[n+](-c7ccccc7)c6c5)cc4[n+](-c4ccccc4)c3c2)cc1 FWLHAQYOFMQTHQ-UHFFFAOYSA-N 0.000 description 1
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 1
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- JJHHIJFTHRNPIK-UHFFFAOYSA-N Diphenyl sulfoxide Chemical compound C=1C=CC=CC=1S(=O)C1=CC=CC=C1 JJHHIJFTHRNPIK-UHFFFAOYSA-N 0.000 description 1
- 239000005639 Lauric acid Substances 0.000 description 1
- 239000005642 Oleic acid Substances 0.000 description 1
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-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
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 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
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000980 acid dye Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 125000000751 azo group Chemical group [*]N=N[*] 0.000 description 1
- IRERQBUNZFJFGC-UHFFFAOYSA-L azure blue Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[S-]S[S-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-] IRERQBUNZFJFGC-UHFFFAOYSA-L 0.000 description 1
- 235000019445 benzyl alcohol Nutrition 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000004359 castor oil Substances 0.000 description 1
- 235000019438 castor oil Nutrition 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- DUVLJBQCIZCUMW-UHFFFAOYSA-N ethylsulfinylbenzene Chemical compound CCS(=O)C1=CC=CC=C1 DUVLJBQCIZCUMW-UHFFFAOYSA-N 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 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 1
- 150000002334 glycols Chemical class 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 239000008188 pellet 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
- 239000013034 phenoxy resin Substances 0.000 description 1
- 229920006287 phenoxy resin Polymers 0.000 description 1
- WVDDGKGOMKODPV-ZQBYOMGUSA-N phenyl(114C)methanol Chemical compound O[14CH2]C1=CC=CC=C1 WVDDGKGOMKODPV-ZQBYOMGUSA-N 0.000 description 1
- 150000003014 phosphoric acid esters 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
- 239000004014 plasticizer Substances 0.000 description 1
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 1
- 229920000767 polyaniline Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 235000013772 propylene glycol Nutrition 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
- WBHHMMIMDMUBKC-XLNAKTSKSA-N ricinelaidic acid Chemical compound CCCCCC[C@@H](O)C\C=C\CCCCCCCC(O)=O WBHHMMIMDMUBKC-XLNAKTSKSA-N 0.000 description 1
- 229960003656 ricinoleic acid Drugs 0.000 description 1
- FEUQNCSVHBHROZ-UHFFFAOYSA-N ricinoleic acid Natural products CCCCCCC(O[Si](C)(C)C)CC=CCCCCCCCC(=O)OC FEUQNCSVHBHROZ-UHFFFAOYSA-N 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003505 terpenes Chemical class 0.000 description 1
- 235000007586 terpenes Nutrition 0.000 description 1
- ISXOBTBCNRIIQO-UHFFFAOYSA-N tetrahydrothiophene 1-oxide Chemical compound O=S1CCCC1 ISXOBTBCNRIIQO-UHFFFAOYSA-N 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- AAAQKTZKLRYKHR-UHFFFAOYSA-N triphenylmethane Chemical compound C1=CC=CC=C1C(C=1C=CC=CC=1)C1=CC=CC=C1 AAAQKTZKLRYKHR-UHFFFAOYSA-N 0.000 description 1
- 239000004034 viscosity adjusting agent Substances 0.000 description 1
Landscapes
- Pens And Brushes (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
Description
本発明は油性ボールペン用インキ組成物に関し、さらに詳細としてはインキ組成物中に、スルホキシド化合物を含有する油性ボールペン用インキ組成物に関するものである。 The present invention relates to an ink composition for oil-based ballpoint pens, and more particularly to an ink composition for oil-based ballpoint pens containing a sulfoxide compound in the ink composition.
従来より、ボールペンは他の種類の筆記具と異なり、先端にステンレス鋼などからなる金属チップと、該金属チップのボール受け座に抱持される超鋼などの金属からなる転写ボールと、からなるボールペンチップをインキ収容筒に装着した構成を有するが、筆記時にボールの回転によって、ボール座に摩耗が発生し、筆跡に線飛び、カスレなどが生じたり、書き味が悪くなるという問題があった。 Conventionally, unlike other types of writing instruments, a ballpoint pen is composed of a metal tip made of stainless steel or the like at the tip and a transfer ball made of metal such as super steel held in a ball receiving seat of the metal tip. Although it has a configuration in which the chip is mounted on the ink storage cylinder, there is a problem that wear of the ball seat occurs due to rotation of the ball during writing, lines are scattered on the handwriting, blurring, etc., and writing quality is deteriorated.
こうした問題を解決するため、ボールペンチップのボールとボール座との潤滑性向上を目的として、様々な潤滑剤を用いた油性ボールペン用インキ組成物が多数提案されている。 In order to solve these problems, many oil-based ballpoint ink compositions using various lubricants have been proposed for the purpose of improving the lubricity between the ball of the ballpoint pen tip and the ball seat.
このような潤滑剤を用いた油性ボールペン用インキ組成物としては、フッ素系、シリコン系界面活性剤を用いたものとしては、特開平６−２４８２１７号公報「ボールペン用インキ組成物」、特開平９−１５１３５４号公報「油性ボールペン用インキ組成物」、アルキルβ−Ｄ−グルコシドを用いたものとしては、特開平５−３３１４０３号公報「油性ボールペンインキ」、Ｎ−アシルアミノ酸、Ｎ−アシルメチルタウリン酸、Ｎ−アシルメチルアラニンを用いたものとしては、特開２００７−１７６９９５号公報「油性ボールペン用インキ」等に、開示されている。 As an oil-based ballpoint pen ink composition using such a lubricant, those using fluorine-based and silicon-based surfactants are disclosed in JP-A-6-248217, “Ballpoint ink composition”, JP-A-9 No. 151354 “Ink composition for oil-based ballpoint pens”, and those using alkyl β-D-glucoside include JP-A-5-331403 “Oil-based ballpoint pen ink”, N-acylamino acids, N-acylmethyltauric acid , N-acylmethylalanine is disclosed in Japanese Patent Application Laid-Open No. 2007-176959 “Oil-based ballpoint pen ink” and the like.
しかし、特許文献１〜４のような各種潤滑剤を用いた場合、ある程度書き味を向上しつつ、ボール座の摩耗を抑制することはできるが、十分に満足できるものではなく、筆跡に線飛び、かすれ等が発生してしまう問題を抱えていた。 However, when various lubricants such as Patent Documents 1 to 4 are used, the wear of the ball seat can be suppressed while improving the writing quality to some extent. , Had a problem of fading.
本発明の目的は、書き味が良好で、かつ、ボール座の摩耗抑制することが可能な油性ボールペン用インキ組成物を提供することである。 An object of the present invention is to provide an oil-based ballpoint pen ink composition that has good writing quality and can suppress wear of a ball seat.
本発明は、上記課題を解決するために、
「１．少なくとも、着色剤と、溶剤と、スルホキシド化合物を含有することを特徴とする油性ボールペン用インキ組成物。
２．前記スルホキシド化合物の炭素数が、５以下であることを特徴とする第１項に記載の油性ボールペン用インキ組成物。
３．前記スルホキシド化合物の含有量が、０．１〜３０．０質量％であることを特徴とする第１項または第２項に記載の油性ボールペン用インキ組成物。
４．前記油性ボールペン用インキ組成物に、オキシエチレンアルキルアミン、ポリオキシエチレンアルキルアミンのうち少なくとも１種以上を含有することを特徴とする第１項ないし第３項のいずれか１項に記載の油性ボールペン用インキ組成物。
５．前記オキシエチレンアルキルアミン、ポリオキシエチレンアルキルアミンの平均エチレンオキサイド付加モル数が、１〜１０の範囲であることを特徴とする第１項ないし第４項のいずれか１項に記載の油性ボールペン用インキ組成物。
６．前記油性ボールペン用インキ組成物に、脂肪酸アルカノールアミドを含有することを特徴とする第１項ないし第５項のいずれか１項に記載の油性ボールペン用インキ組成物。
７．前記溶剤が、極性溶剤であることを特徴とする第１項ないし第６項に記載の油性ボールペン用インキ組成物。
８．２０℃、剪断速度５００ｓｅｃ−１におけるインキ粘度が、１０〜５０００ｍＰａ・ｓであることを特徴とする第１項ないし第７項のいずれか１項に記載の油性ボールペン用インキ組成物。
９．インキ収容筒の先端部に、ボールの一部をチップ先端部より突出させて回転自在に抱持し、コイルスプリングにより前方に押圧し、前記ボールとチップ先端部の内壁にて弁機構を具備してなるボールペンチップを直接、またはチップホルダーを介して装着し、前記インキ収容筒内に、第１項ないし第８項のいずれか１項に記載の油性ボールペン用インキ組成物を直詰めしてなる油性ボールペンレフィル。」とする。
In order to solve the above problems, the present invention
“1. An oil-based ink composition for ballpoint pens, comprising at least a colorant, a solvent, and a sulfoxide compound.
2. 2. The oil-based ballpoint pen ink composition according to item 1, wherein the sulfoxide compound has 5 or less carbon atoms.
3. 3. The oil-based ballpoint pen ink composition according to item 1 or 2, wherein the sulfoxide compound content is 0.1 to 30.0% by mass.
4). 4. The oil-based ballpoint pen according to any one of items 1 to 3, wherein the ink composition for oil-based ballpoint pen contains at least one of oxyethylene alkylamine and polyoxyethylene alkylamine. Ink composition.
5). 5. The oil-based ballpoint pen according to claim 1, wherein an average ethylene oxide addition mole number of the oxyethylene alkylamine and polyoxyethylene alkylamine is in the range of 1 to 10. 5. Ink composition.
6). 6. The oil-based ballpoint pen ink composition according to any one of items 1 to 5, wherein the oil-based ballpoint pen ink composition contains a fatty acid alkanolamide.
7). 7. The oil-based ballpoint pen ink composition according to any one of items 1 to 6, wherein the solvent is a polar solvent.
8. The ink composition for oil-based ballpoint pens according to any one of Items 1 to 7, wherein the ink viscosity at 20 ° C. and a shear rate of 500 sec −1 is 10 to 5000 mPa · s.
9. A part of the ball protrudes from the tip end of the tip of the ink containing cylinder and is held rotatably, and is pressed forward by a coil spring, and has a valve mechanism at the inner wall of the ball and tip end. The ballpoint pen tip is mounted directly or via a tip holder, and the ink composition for oil-based ballpoint pens according to any one of items 1 to 8 is directly packed in the ink containing cylinder. Oil-based ballpoint pen refill. "
本発明は、書き味が良好で、かつ、ボール座の摩耗抑制することが可能な油性ボールペン用インキ組成物を提供することができた。 The present invention has provided an ink composition for an oil-based ballpoint pen that has good writing quality and can suppress wear of a ball seat.
本発明の特徴は、油性ボールペン用インキ組成物中にスルホキシド化合物を含有することである。 A feature of the present invention is that a sulfoxide compound is contained in the oil-based ballpoint pen ink composition.
本発明に用いるスルホキシド化合物は、油性ボールペン用インキ組成物中に含有することで、書き味が良好で、かつ、ボール座の摩耗を抑制することが可能となることが解った。これは、スルフィニル基（−S＝O−）が、金属に吸着することで、ボールとチップ本体間の金属接触を抑制する効果があり、潤滑性を向上することで、書き味が良好で、かつ、ボール座の摩耗を抑制するものと推測する。 When the sulfoxide compound used in the present invention is contained in the oil-based ballpoint pen ink composition, it has been found that the writing quality is good and wear of the ball seat can be suppressed. This is because the sulfinyl group (-S = O-) is adsorbed to the metal, thereby suppressing the metal contact between the ball and the chip body, and improving the lubricity, the writing quality is good, In addition, it is assumed that the wear of the ball seat is suppressed.
スルホキシド化合物は、ジメチルスルホキシド、ジエチルスルホキシド、ジプロピルスルホキシド、ジフェニルスルホキシド、テトラメチレンスルホキシド、メチルフェニルスルホキシド、エチルフェニルスルホキシドなどが挙げられる。特に、潤滑性を考慮すれば、炭素数が５以下であるジメチルスルホキシド（炭素数２）、ジエチルスルホキシド（炭素数４）が好ましく、インキ経時安定性を考慮すれば、ジメチルスルホキシド（化１）が最も好ましい。これらは、単独または２種以上混合して使用してもよい。
また、スルホキシド化合物の含有量は、インキ組成物全量に対し、０．１質量％より少ないと、潤滑効果が得られないおそれがあり、３０．０質量％を越えても、所望の潤滑効果が得られなくなるおそれがあるため、インキ組成物全量に対し、０．１〜３０．０質量％が好ましく、より潤滑性を考慮すれば、１．０〜２５．０質量％が好ましく、さらに、インキ経時安定性などを考慮すれば、３．０〜２０．０質量％が最も好ましい。 Further, if the content of the sulfoxide compound is less than 0.1% by mass with respect to the total amount of the ink composition, the lubricating effect may not be obtained. Even if it exceeds 30.0% by mass, the desired lubricating effect is obtained. Since there is a possibility that it may not be obtained, 0.1 to 30.0% by mass is preferable with respect to the total amount of the ink composition. Considering stability over time, 3.0 to 20.0% by mass is most preferable.
さらに、スルホキシド化合物にエチレンオキサイド(CH2CH2O)を有する有機アミンと併用すると、より潤滑効果が得られ易いため、好ましい。これは、スルフィニル基（−S＝O−）とエチレンオキサイド基(−CH2CH2O)を併用することで、より金属に吸着し易い潤滑膜を形成するため、エチレンオキサイド(CH2CH2O)を有する有機アミンとして、オキシエチレンアルキルアミン、ポリオキシエチレンアルキルアミンを用いる方が好ましい。これ等は、単独または２種以上混合して使用してもよい。 Furthermore, it is preferable to use a sulfoxide compound in combination with an organic amine having ethylene oxide (CH 2 CH 2 O) because a lubricating effect is easily obtained. This is because, by using a sulfinyl group (—S═O—) and an ethylene oxide group (—CH 2 CH 2 O) together, a lubricating film that is more easily adsorbed to a metal is formed, so that ethylene oxide (CH 2 CH 2 As the organic amine having O), it is preferable to use oxyethylene alkylamine or polyoxyethylene alkylamine. You may use these individually or in mixture of 2 or more types.
また、平均エチレンオキサイド(CH2CH2O)付加モル数については、多いほど、ボール座の摩耗をより抑制する効果があり、特に、高筆圧下（筆記荷重５００ｇｆ）においても潤滑性を保つには、より好ましいが、１０を超えると、インキ経時が不安定になり易いため、１〜１０の範囲が好ましい。最も好ましくは、５〜８の範囲である。具体的には、平均エチレンオキサイド(CH2CH2O)付加モル数１〜１０の範囲のオキシエチレンアルキルアミン、ポリオキシエチレンアルキルアミンは、ナイミーンＬ−２０１、ナイミーンＬ−２０２、同Ｌ−２０７、同Ｓ−２０２、同Ｓ−２０４、同Ｓ−２１０、同Ｔ2-２０６、同Ｓ−２１０、同ＤＴ−２０３、同ＤＴ−２０８（日本油脂（株））等が挙げられ、平均エチレンオキサイド(CH2CH2O)付加モル数５〜８の範囲のオキシエチレンアルキルアミン、ポリオキシエチレンアルキルアミンは、ナイミーンＬ−２０７、同Ｔ2-２０６、同ＤＴ−２０８（日本油脂（株））等が挙げられる。 Further, as the average ethylene oxide (CH 2 CH 2 O) added mole number is increased, the effect of suppressing the wear of the ball seat is more effective. In particular, the lubricity is maintained even under high writing pressure (writing load 500 gf). Is more preferable, but if it exceeds 10, the ink aging tends to become unstable, and the range of 1 to 10 is preferable. Most preferably, it is the range of 5-8. Specifically, oxyethylene alkylamines and polyoxyethylene alkylamines having an average ethylene oxide (CH 2 CH 2 O) addition mole number of 1 to 10 are Naimine L-201, Naimine L-202, and L-207. , the S-202, the S-204, the S-210, the T 2 -206, the S-210, the DT-203, etc. the DT-208 (NOF Corporation) and the like, the average ethylene Oxyethylene alkylamines and polyoxyethylene alkylamines in the range of 5 to 8 moles of oxide (CH 2 CH 2 O) added are Nimin L-207, T 2 -206, and DT-208 (Nippon Yushi Co., Ltd.) ) And the like.
また、オキシエチレンアルキルアミン、ポリオキシエチレンアルキルアミンの含有量は、潤滑性や経時安定性を考慮すると、インキ組成物全量に対し、０．１〜１０．０質量％が好ましく、より好ましくは、１．０〜５．０質量％である。 In addition, the content of oxyethylene alkylamine and polyoxyethylene alkylamine is preferably 0.1 to 10.0% by mass, more preferably, based on the total amount of the ink composition, considering lubricity and stability over time. It is 1.0-5.0 mass%.
さらに、スルホキシド化合物に脂肪酸アルカノールアミドを併用すると、高筆圧下（筆記荷重５００ｇｆ）においてもより潤滑性を保つことで、高筆圧下でのボール座の摩耗を抑制することが可能となり、より好ましい。 Further, it is more preferable to use a fatty acid alkanolamide in combination with a sulfoxide compound, because it is possible to suppress wear of the ball seat under high writing pressure by maintaining lubricity even under high writing pressure (writing load 500 gf).
脂肪酸アルカノールアミドとしては、脂肪酸モノエタノールアミド、脂肪酸ジエタノールアミド等が挙げられる。脂肪酸アルカノールアミドの具体例は、スタホームF、スタホームT、スタホームFK、スタホームDL、スタホームDF-１、スタホームDF-２、スタホームDF−４、スタホームDFC、スタホームDO、スタホームDOS、スタホームMFペレット、スタホームLIPA（日油（株）社製）、ポリノンDAO、ポリノンDAL-C、ポリノンDAT（昭栄薬品（株）製）などが挙げられる。これらは、単独又は２種以上混合して使用してもよい。 Examples of fatty acid alkanolamides include fatty acid monoethanolamide and fatty acid diethanolamide. Specific examples of fatty acid alkanolamides are Starhome F, Starhome T, Starhome FK, Starhome DL, Starhome DF-1, Starhome DF-2, Starhome DF-4, Starhome DFC, Starhome DO, Stahome DOS, Stahome MF pellets, Stahome LIPA (manufactured by NOF Corporation), Polynon DAO, Polynon DAL-C, Polynon DAT (manufactured by Shoei Pharmaceutical Co., Ltd.), and the like. You may use these individually or in mixture of 2 or more types.
本発明の油性ボールペン用インキ組成物のインキ粘度は、特に限定されるものではないが、２０℃、剪断速度５００ｓｅｃ−１におけるインキ粘度は、１０〜５０００ｍＰａ・ｓが好ましい。２０℃、剪断速度５００ｓｅｃ−１におけるインキ粘度が１０ｍＰａ・ｓ未満の場合には、筆跡に滲みやインキ垂れ下がりの影響が出やすいため、また、インキ粘度が５０００ｍＰａ・ｓを超えると、筆記時のボール回転抵抗が大きくなり、書き味が重くなる傾向がある。より好ましくは、５０〜３、０００ｍＰａ・ｓであり、最も好ましくは、ボール座の摩耗を抑制する効果が顕著である１００〜１５００ｍＰａ・ｓである。 The ink viscosity of the oil-based ballpoint pen ink composition of the present invention is not particularly limited, but the ink viscosity at 20 ° C. and a shear rate of 500 sec −1 is preferably 10 to 5000 mPa · s. When the ink viscosity at 20 ° C. and a shear rate of 500 sec −1 is less than 10 mPa · s, the handwriting is likely to be affected by bleeding or ink drooping, and when the ink viscosity exceeds 5000 mPa · s, Rotational resistance increases and writing tends to be heavy. More preferably, it is 50-3,000 mPa * s, Most preferably, it is 100-1500 mPa * s where the effect which suppresses abrasion of a ball seat is remarkable.
本発明に用いる着色剤については、染料、顔料があるが、染料については、油溶性染料、酸性染料、塩基性染料、含金染料などや、それらの各種造塩タイプの染料等が採用可能である。 As for the colorant used in the present invention, there are dyes and pigments. As for the dyes, oil-soluble dyes, acid dyes, basic dyes, metal-containing dyes, and various salt-forming dyes can be used. is there.
染料について、具体的には、バリファーストブラック１８０２、バリファーストブラック１８０５、バリファーストブラック１８０７、バリファーストバイオレット１７０１、バリファーストブルー１６０１、バリファーストブルー１６０５、バリファーストブルー１６２１、バリファーストレッド１３２０、バリファーストレッド１３５５、バリファーストレッド１３６０、バリファーストイエロー１１０１、バリファーストイエロー１１５１、ニグロシンベースＥＸＢＰ、ニグロシンベースＥＸ、ＢＡＳＥ ＯＦ ＢＡＳＩＣ ＤＹＥＳ ＲＯＢ−Ｂ、ＢＡＳＥ ＯＦ ＢＡＳＩＣ ＤＹＥＳ ＲＯ６Ｇ−Ｂ、ＢＡＳＥ ＯＦ ＢＡＳＩＣ ＤＹＥＳ ＶＰＢ−Ｂ、ＢＡＳＥ ＯＦ ＢＡＳＩＣ ＤＹＥＳ ＶＢ−Ｂ、ＢＡＳＥＯＦ ＢＡＳＩＣ ＤＹＥＳ ＭＶＢ−３（以上、オリエント化学工業（株）製）、アイゼンスピロンブラック ＧＭＨ−スペシャル、アイゼンスピロンバイオレット Ｃ−ＲＨ、アイゼンスピロンブルー ＧＮＨ、アイゼンスピロンブルー ２ＢＮＨ、アイゼンスピロンブルー Ｃ−ＲＨ、アイゼンスピロンレッド Ｃ−ＧＨ、アイゼンスピロンレッド Ｃ−ＢＨ、アイゼンスピロンイエロー Ｃ−ＧＮＨ、アイゼンスピロンイエロー Ｃ−２ＧＨ、Ｓ．Ｐ．Ｔ．ブルー１１１、Ｓ．Ｐ．Ｔ．ブルーＧＬＳＨ−スペシヤル、Ｓ．Ｐ．Ｔ．レッド５３３、Ｓ．Ｐ．Ｔ．オレンジ６、Ｓ．Ｂ．Ｎ．バイオレット５１０、Ｓ．Ｂ．Ｎ．イエロー５１０、Ｓ．Ｂ．Ｎ．イエロー５３０、Ｓ．Ｒ．Ｃ−ＢＨ（以上、保土谷化学工業（株）製）等が挙げられる。 Regarding the dye, specifically, Bali First Black 1802, Bali First Black 1805, Bali First Black 1807, Bali First Violet 1701, Bali First Blue 1601, Bali First Blue 1605, Bali First Blue 1621, Bali First Red 1320, Bali First Red 1355, Bali First Red 1360, Bali First Yellow 1101, Bali First Yellow 1151, Nigrosine Base EXBP, Nigrosine Base EX, BASE OF BASIC DYES ROB-B, BASE OF BASIC DYES RO6G-B, BASE OF BASIC DYES VPB-B, BASE OF BASIC DYES VB-B, BASEOF BASIC D ES MVB-3 (above, manufactured by Orient Chemical Co., Ltd.), Eisenspiron Black GMH-Special, Eisenspiron Violet C-RH, Eisenspiron Blue GNH, Eisenspiron Blue 2BNH, Eisenspiron Blue C-RH, Eisen Spiron Red C-GH, Eisen Spiron Red C-BH, Eisen Spiro Yellow C-GNH, Eisen Spiro Yellow C-2GH, S. P. T.A. Blue 111, S.I. P. T.A. Blue GLSH-special P. T.A. Red 533, S.D. P. T.A. Orange 6, S. B. N. Violet 510, S.I. B. N. Yellow 510, S.I. B. N. Yellow 530, S.I. R. C-BH (above, manufactured by Hodogaya Chemical Co., Ltd.) and the like.
また、顔料については、無機、有機、加工顔料などが挙げられるが、具体的にはカーボンブラック、アニリンブラック、群青、黄鉛、酸化チタン、酸化鉄、フタロシアニン系、アゾ系、キナクリドン系、キノフタロン系、スレン系、トリフェニルメタン系、ペリノン系、ペリレン系、ギオキサジン系、メタリック顔料、パール顔料、蛍光顔料、蓄光顔料等が挙げられる。これらの染料および顔料は、単独または２種以上組み合わせて使用してもかまわない。着色剤の含有量は、インキ組成物全量に対し、１．０〜５０．０質量％が好ましい。 Examples of pigments include inorganic, organic, and processed pigments. Specifically, carbon black, aniline black, ultramarine, yellow lead, titanium oxide, iron oxide, phthalocyanine, azo, quinacridone, and quinophthalone Selenium, triphenylmethane, perinone, perylene, goxazine, metallic pigment, pearl pigment, fluorescent pigment, phosphorescent pigment, and the like. These dyes and pigments may be used alone or in combination of two or more. As for content of a coloring agent, 1.0-50.0 mass% is preferable with respect to the ink composition whole quantity.
本発明に用いる溶剤としては、エチ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フェニルエーテル、プロピレングリコールモノフェニルエーテル等のグリコールエーテル類、ポリエチレングリコール、エチレングリコール、ジエチレングリコール、グリセリン、プロピレングリコール等のグリコール類、ベンジルアルコール等のアルコール類などの極性溶剤が好ましく、これらを１種または２種以上用いることができる。有機溶剤の含有量は、着色剤の溶解性、筆跡乾燥性、にじみ等を考慮すると、インキ組成物全量に対し、５．０〜５０．０質量％が好ましい。 Solvents used in the present invention include glycol ethers such as ethylene glycol monobutyl ether, ethylene glycol monophenyl ether, propylene glycol monophenyl ether, glycols such as polyethylene glycol, ethylene glycol, diethylene glycol, glycerin and propylene glycol, benzyl alcohol, etc. Of these, polar solvents such as alcohols are preferred, and one or more of these can be used. The content of the organic solvent is preferably 5.0 to 50.0% by mass with respect to the total amount of the ink composition in consideration of solubility of the colorant, handwriting drying property, blurring, and the like.
また、その他として、着色剤の経時安定性や潤滑性を向上させるために、有機酸や界面活性剤として、オレイン酸、ステアリン酸、リシノール酸、ラウリル酸、リン酸エステル系界面活性剤、フッ素系界面活性剤、シリコン系界面活性剤、アセチレン系界面活性剤等を、顔料分散剤として、ポリビニルブチラール樹脂、ポリビニルアルコール樹脂、アクリル樹脂等を、粘度調整剤として、ケトン樹脂、テルペン樹脂、アルキッド樹脂、フェノキシ樹脂、ポリ酢酸ビニル、ポリビニルピロリドン等の樹脂や有機酸アマイド、ヒマシ油などの擬塑性付与剤を、また、染料安定剤、可塑剤、キレート剤、水などを適宜用いても良い。これらは、単独または２種以上組み合わせて使用してもかまわない。 In addition, oleic acid, stearic acid, ricinoleic acid, lauric acid, phosphoric acid ester surfactants, fluorine-based surfactants are used as organic acids and surfactants to improve the aging stability and lubricity of colorants. Surfactant, silicone surfactant, acetylene surfactant, etc., pigment dispersant, polyvinyl butyral resin, polyvinyl alcohol resin, acrylic resin, etc., viscosity modifier, ketone resin, terpene resin, alkyd resin, Resins such as phenoxy resin, polyvinyl acetate, and polyvinyl pyrrolidone, and pseudoplasticity imparting agents such as organic acid amide and castor oil, and dye stabilizers, plasticizers, chelating agents, water, and the like may be used as appropriate. These may be used alone or in combination of two or more.
次に実施例を示して本発明を説明する。
実施例１の油性ボールペン用インキ組成物は、着色剤として、染料、有機溶剤として、エチレングリコールモノフェニルエーテル、潤滑剤として、スルホキシド化合物、オキシエチレンアルキルアミン（ナイミーンL２０７：日本油脂（株）社製）、ケトン樹脂を採用し、所定量秤量して、６０℃に加温した後、ディスパー攪拌機を用いて溶解させ油性ボールペン用インキ組成物を得た。具体的な配合量は下記の通りである。尚、ティー・エイ・インスツルメント株式会社製AR-G2（ステンレス製４０mm２°ローター）を用いて２０℃の環境下で、剪断速度５００ｓｅｃ−１にてインキ粘度を測定したところ、２８０ｍＰａ・ｓであった。
Next, an Example is shown and this invention is demonstrated.
The oil-based ballpoint pen ink composition of Example 1 is a dye, a dye, an organic solvent, ethylene glycol monophenyl ether, a lubricant, a sulfoxide compound, an oxyethylene alkylamine (Nymene L207: manufactured by Nippon Oil & Fats Co., Ltd.). ), A ketone resin was employed, a predetermined amount was weighed, heated to 60 ° C., and then dissolved using a disper stirrer to obtain an oil ballpoint ink composition. Specific blending amounts are as follows. Ink viscosity measured at a shear rate of 500 sec -1 in an environment of 20 ° C. using AR-G2 (stainless steel 40 mm 2 ° rotor) manufactured by TA Instruments Inc. was 280 mPa · s. there were.
実施例１
染料（スピロンブラック−ＧＭＨ−Ｓ） １０．０質量％
染料（バリーファ−スト バイオレット１７０１） １０．０質量％
極性溶剤（エチレングリコールモノフェニルエーテル） ４５．０質量％
極性溶剤（ベンジルアルコール） ２０．０質量％
スルホキシド化合物 ５．０質量％
有機アミン（オキシエチレンアルキルアミン） ０．５質量％
樹脂（ケトン樹脂） ９．５質量％
Example 1
Dye (Spiron Black-GMH-S) 10.0% by mass
Dye (Barry First Violet 1701) 10.0% by mass
Polar solvent (ethylene glycol monophenyl ether) 45.0% by mass
Polar solvent (benzyl alcohol) 20.0 mass%
Sulfoxide compound 5.0% by mass
Organic amine (oxyethylene alkylamine) 0.5% by mass
Resin (ketone resin) 9.5% by mass
実施例２〜７
表１に示すように、各成分を変更した以外は、実施例１と同様な手順で実施例２〜７の油性ボールペン用インキ組成物を得た。表１に測定、評価結果を示す。
実施例８
表１に示すように、各成分を変更した以外は、水以外の各成分を実施例１と同様な手順で行い、室温冷却後水を添加しディスパー攪拌にて実施例８の油性ボールペン用インキ組成物を得た。
As shown in Table 1, oil-based ballpoint pen ink compositions of Examples 2 to 7 were obtained in the same procedure as Example 1 except that each component was changed. Table 1 shows the measurement and evaluation results.
Example 8
As shown in Table 1, except that each component was changed, each component other than water was carried out in the same procedure as in Example 1, and after cooling at room temperature, water was added and the oil-based ballpoint pen ink of Example 8 was stirred with a disper. A composition was obtained.
比較例１〜３
表２に示すように、各成分を変更した以外は、実施例１と同様の手順で、配合し、比較例１〜３の油性ボールペン用インキ組成物を得た。表２に測定、評価結果を示す。
As shown in Table 2, blending was performed in the same procedure as in Example 1 except that each component was changed, and ink compositions for oil-based ballpoint pens of Comparative Examples 1 to 3 were obtained. Table 2 shows the measurement and evaluation results.
試験及び評価
実施例１〜８及び比較例１〜３で作製した油性ボールペン用インキ組成物を、インキ収容筒（ポリプロピレン）に、ボール径がφ０．７ｍｍのボールを回転自在に抱持したボールペンチップ（ステンレス綱線）を装着したボールペン用レフィルに充填し、筆記試験用紙として筆記用紙ＪＩＳ Ｐ３２０１を用いて以下の試験及び評価を行った。
Test and Evaluation A ballpoint pen tip in which the ink composition for oil-based ballpoint pens prepared in Examples 1 to 8 and Comparative Examples 1 to 3 is rotatably held in an ink containing cylinder (polypropylene) with a ball diameter of φ0.7 mm. The ball pen refill equipped with (stainless steel wire) was filled, and the following tests and evaluations were performed using writing paper JIS P3201 as writing test paper.
書き味：手書きによる官能試験を行い評価した。
非常に滑らかなもの ・・・◎
滑らかなもの ・・・○
重いもの ・・・×
Written taste: A hand-written sensory test was performed and evaluated.
Very smooth ・ ・ ・ ◎
Smooth thing ○○
Heavy thing
耐摩耗試験（ボール座の摩耗試験）：荷重２００gf、筆記角度７０°、４ｍ／ｍｉｎの走行試験機にて筆記試験後のボール座の摩耗を測定した。
ボール座の摩耗が５μｍ未満であり、筆記可能なもの ・・・◎
ボール座の摩耗が５μｍ以上、１０μｍ未満であり、筆記可能なもの・・・○
ボール座の摩耗が１０μｍ以上であり、筆記不能になってしまうもの・・・×
Abrasion resistance test (ball seat wear test): The wear of the ball seat after the writing test was measured with a running test machine having a load of 200 gf, a writing angle of 70 °, and 4 m / min.
Ball seat wear is less than 5μm and can be written.
Wear of ball seat is 5μm or more and less than 10μm and can be written on
Wear of ball seat is 10μm or more and writing becomes impossible ... ×
実施例１〜８では、書き味、耐摩耗試験（ボール座の摩耗試験）ともに良好な性能が得られた。 In Examples 1 to 8, good performance was obtained for both writing quality and wear resistance test (ball seat wear test).
比較例１〜３では、スルホキシド化合物を用いてないため、書き味が重く、耐摩耗試験（ボール座の摩耗試験）において、ボール座の摩耗がひどく１０μｍを超えてしまい、筆記不良になるものもあった。 In Comparative Examples 1 to 3, since the sulfoxide compound is not used, the writing is heavy, and in the wear resistance test (ball seat wear test), the wear of the ball seat is severely over 10 μm, resulting in poor writing. there were.
また、インキの垂れ下がりを防止するため、ボールペンチップ先端に回転自在に抱持したボールを、コイルスプリングにより直接または押圧体を介してチップ先端縁の内壁に押圧して、筆記時の押圧力によりチップ先端縁の内壁とボールに間隙を与えインキを流出させる弁機構を具備し、チップ先端の微少な間隙も非使用時に閉鎖することが好ましい。 In order to prevent the ink from drooping, the ball held rotatably at the tip of the ballpoint pen tip is pressed against the inner wall of the tip end edge of the tip directly by a coil spring or via a pressing body, and the tip is pressed by the pressing force at the time of writing. It is preferable to provide a valve mechanism for allowing ink to flow out by providing a gap between the inner wall of the tip edge and the ball, and closing the minute gap at the tip of the tip when not in use.
本発明は油性ボールペン用インキ組成物に関し、さらに詳細としては、少なくとも、着色剤と、溶剤と、スルホキシド化合物を含有する油性ボールペン用インキ組成物であることを特徴とする油性ボールペン用インキ組成物を用いることで、書き味が良好で、かつ、ボール座の摩耗抑制することが可能な油性ボールペン用インキ組成物を提供することができる。そのため、キャップ式、ノック式等、ボールペンとして広く利用することができる。 The present invention relates to an ink composition for oil-based ballpoint pens, and more specifically, an ink composition for oil-based ballpoint pens comprising at least a colorant, a solvent, and a sulfoxide compound. By using it, it is possible to provide an ink composition for an oil-based ballpoint pen that has good writing quality and can suppress wear of the ball seat. Therefore, it can be widely used as a ballpoint pen, such as a cap type and a knock type.
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| JP2016023296A (en) * | 2014-07-24 | 2016-02-08 | 株式会社パイロットコーポレーション | Oil-based ink composition for writing instruments, and writing instruments using the same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06145581A (en) * | 1992-11-11 | 1994-05-24 | Tombow Pencil Co Ltd | Water-base ink composition for ball-point pen |
| JP2002188033A (en) * | 2000-10-12 | 2002-07-05 | Zebra Pen Corp | Ink composition for writing utensils and marker using the ink |
| JP2008037878A (en) * | 2006-08-01 | 2008-02-21 | Pilot Corporation | Ink composition for oily ball point pen |
| JP2009108178A (en) * | 2007-10-30 | 2009-05-21 | Pilot Corporation | Ink composition for oily ballpoint pen |
| JP2009108121A (en) * | 2007-10-26 | 2009-05-21 | Pilot Corporation | Ink composition for oily ballpoint pen |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06145581A (en) * | 1992-11-11 | 1994-05-24 | Tombow Pencil Co Ltd | Water-base ink composition for ball-point pen |
| JP2002188033A (en) * | 2000-10-12 | 2002-07-05 | Zebra Pen Corp | Ink composition for writing utensils and marker using the ink |
| JP2008037878A (en) * | 2006-08-01 | 2008-02-21 | Pilot Corporation | Ink composition for oily ball point pen |
| JP2009108121A (en) * | 2007-10-26 | 2009-05-21 | Pilot Corporation | Ink composition for oily ballpoint pen |
| JP2009108178A (en) * | 2007-10-30 | 2009-05-21 | Pilot Corporation | Ink composition for oily ballpoint pen |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016023296A (en) * | 2014-07-24 | 2016-02-08 | 株式会社パイロットコーポレーション | Oil-based ink composition for writing instruments, and writing instruments using the same |
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