JP6062084B1 - ボールペン用水性インキ組成物及び水性ボールペン - Google Patents
ボールペン用水性インキ組成物及び水性ボールペン Download PDFInfo
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- JP6062084B1 JP6062084B1 JP2016013387A JP2016013387A JP6062084B1 JP 6062084 B1 JP6062084 B1 JP 6062084B1 JP 2016013387 A JP2016013387 A JP 2016013387A JP 2016013387 A JP2016013387 A JP 2016013387A JP 6062084 B1 JP6062084 B1 JP 6062084B1
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- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229940070687 psyllium Drugs 0.000 description 1
- 239000001397 quillaja saponaria molina bark Substances 0.000 description 1
- 235000012752 quinoline yellow Nutrition 0.000 description 1
- FZUOVNMHEAPVBW-UHFFFAOYSA-L quinoline yellow ws Chemical compound [Na+].[Na+].O=C1C2=CC=CC=C2C(=O)C1C1=NC2=C(S([O-])(=O)=O)C=C(S(=O)(=O)[O-])C=C2C=C1 FZUOVNMHEAPVBW-UHFFFAOYSA-L 0.000 description 1
- 229930182490 saponin Natural products 0.000 description 1
- 150000007949 saponins Chemical class 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- BQHRKYUXVHKLLZ-UHFFFAOYSA-M sodium 7-amino-2-[[4-[(4-aminophenyl)diazenyl]-2-methoxy-5-methylphenyl]diazenyl]-3-sulfonaphthalen-1-olate Chemical compound [Na+].COc1cc(N=Nc2ccc(N)cc2)c(C)cc1N=Nc1c(O)c2cc(N)ccc2cc1S([O-])(=O)=O BQHRKYUXVHKLLZ-UHFFFAOYSA-M 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 235000010413 sodium alginate Nutrition 0.000 description 1
- 239000000661 sodium alginate Substances 0.000 description 1
- 229940005550 sodium alginate Drugs 0.000 description 1
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 description 1
- 239000004299 sodium benzoate Substances 0.000 description 1
- 235000010234 sodium benzoate Nutrition 0.000 description 1
- 229960003885 sodium benzoate Drugs 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 1
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 description 1
- 229940079839 sodium dehydroacetate Drugs 0.000 description 1
- 235000019259 sodium dehydroacetate Nutrition 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 1
- 235000019345 sodium thiosulphate Nutrition 0.000 description 1
- DSOWAKKSGYUMTF-GZOLSCHFSA-M sodium;(1e)-1-(6-methyl-2,4-dioxopyran-3-ylidene)ethanolate Chemical compound [Na+].C\C([O-])=C1/C(=O)OC(C)=CC1=O DSOWAKKSGYUMTF-GZOLSCHFSA-M 0.000 description 1
- RWVGQQGBQSJDQV-UHFFFAOYSA-M sodium;3-[[4-[(e)-[4-(4-ethoxyanilino)phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]-2-methylcyclohexa-2,5-dien-1-ylidene]methyl]-n-ethyl-3-methylanilino]methyl]benzenesulfonate Chemical compound [Na+].C1=CC(OCC)=CC=C1NC1=CC=C(C(=C2C(=CC(C=C2)=[N+](CC)CC=2C=C(C=CC=2)S([O-])(=O)=O)C)C=2C(=CC(=CC=2)N(CC)CC=2C=C(C=CC=2)S([O-])(=O)=O)C)C=C1 RWVGQQGBQSJDQV-UHFFFAOYSA-M 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 125000000101 thioether group Chemical group 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- FKVXIGHJGBQFIH-UHFFFAOYSA-K trisodium 5-amino-3-[[4-[4-[(7-amino-1-hydroxy-3-sulfonatonaphthalen-2-yl)diazenyl]phenyl]phenyl]diazenyl]-4-hydroxynaphthalene-2,7-disulfonate Chemical compound C1=CC(=CC=C1C2=CC=C(C=C2)N=NC3=C(C=C4C=CC(=CC4=C3[O-])N)S(=O)(=O)O)N=NC5=C(C6=C(C=C(C=C6C=C5S(=O)(=O)O)S(=O)(=O)[O-])N)[O-].[Na+].[Na+].[Na+] FKVXIGHJGBQFIH-UHFFFAOYSA-K 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- UHVMMEOXYDMDKI-JKYCWFKZSA-L zinc;1-(5-cyanopyridin-2-yl)-3-[(1s,2s)-2-(6-fluoro-2-hydroxy-3-propanoylphenyl)cyclopropyl]urea;diacetate Chemical compound [Zn+2].CC([O-])=O.CC([O-])=O.CCC(=O)C1=CC=C(F)C([C@H]2[C@H](C2)NC(=O)NC=2N=CC(=CC=2)C#N)=C1O UHVMMEOXYDMDKI-JKYCWFKZSA-L 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Images
Landscapes
- Inks, Pencil-Leads, Or Crayons (AREA)
- Pens And Brushes (AREA)
Abstract
Description
(一般式(I)中、X1及びX2はそれぞれ独立にカルボキシル基、又は、−SO3H若しくはその塩を表し、Y1及びY2はそれぞれ独立にヒドロキシル基、炭素数1〜10のアルコキシ基又は炭素数1〜10のアミノ基を表し、a及びbはそれぞれ独立にa+b≧1、0≦a≦4及び0≦b≦5を満たす整数を示し、mは0≦m≦4−aを満たす整数を示し、nは0≦n≦5−bを満たす整数を示す。)
本実施形態の水性インキ組成物は、着色剤、水、及び、下記一般式(I)で表されるベンゾフェノン化合物を含有する。
図1は、本発明の一実施形態に係る水性ボールペンを示す模式断面図である。図1に示すボールペン100において、水性インキ組成物12はインキ収容部材14内に充填(収容)されている。インキ収容部材14の一端にはボールペンチップ20が取り付けられている。このボールペンチップ20は、ボールホルダー24及びボールホルダー24によって回転可能に保持されるボール26で構成され、ジョイント25によりインキ収容部材14に固定されている。また、インキ収容部材14内には、ボールペンチップ20側と反対側に、水性インキ組成物12と隣接した状態で逆流防止体16が収容されている。ここで、逆流防止体16は、水性インキ組成物12との間に隙間が生じないように配置される。
(実施例1)
カーボンブラック水分散液30.0質量部、水溶性有機溶剤15.0質量部、防腐剤0.5質量部、潤滑剤0.5質量部、pH調整剤0.5質量部、増粘剤0.5質量部、2−ヒドロキシ−4−メトキシベンゾフェノン−5−スルホン酸1.0質量部、及びイオン交換水52.0質量部を混合し、水性インキ組成物を得た。
カーボンブラック水分散液:FUJI SP BLACK 8091(商品名)、富士色素株式会社製、30質量%
水溶性有機溶剤:プロピレングリコール、昭和電工株式会社製
防腐剤:含窒素硫黄系化合物、スラウト99N(商品名)、日本エンバイロケミカルズ株式会社製
潤滑剤:リン系界面活性剤、フォスファノールRS−710(商品名)、東邦化学工業株式会社製
pH調整剤:トリエタノールアミン、三井化学株式会社製
増粘剤:キサンタンガム
水性インキ組成物の調製に用いた材料の種類及び量(質量部)を下記表1及び表2に示すとおりに変更したこと以外は、実施例1と同様にして、実施例2〜4及び比較例1〜5の水性インキ組成物を得た。
(pH)
実施例及び比較例で得られた水性インキ組成物を校正後のpHメーター(LAQUAtwin B−212(商品名)、株式会社堀場製作所製)のセンサー部へ適量滴下し、平面測定により水性インキ組成物のpHを測定した。pHの測定結果を表3に示す。
有機顔料水分散液:FUJI SP BLUE 6463(商品名)、富士色素株式会社製、30質量%
蛍光顔料水分散液:ルミコール NKW−7067E(商品名)、日本蛍光化学株式会社製、35質量%
染料水溶液:Water Black 256L(商品名)、オリエント化学工業株式会社製、30質量%
図1に示したボールペンのインキ収容部材に、実施例1〜4及び比較例1〜5で得られた水性インキ組成物をそれぞれ充填して、ボールペンを作製した。ボールペンホルダー224には、ステンレス製のものを用い、ボール26には、タングステンカーバイドを主成分として含み、結合材としてコバルトを含む、超硬合金ボール(直径:0.5mm)を用いた。作製したボールペンに対して下記評価を行った。評価結果を表3に示す。
作製したボールペンを、ペン先(ボールペンチップ20側の一端)が下向きとなるように、温度60℃湿度30%の環境下で、90日間保存した。保存後のボールペンを分解し、超硬合金ボールの水性インキ組成物と接していた表面を光学顕微鏡で観察し、下記基準に従って防錆性を評価した。
A:保存後のボール表面の外観に曇りが認められず、保存前後の外観に変化が認められない。
B:保存後のボール表面の外観に僅かな曇りが認められ、保存前後の外観に変化が認められる。
C:保存後のボール表面の外観に曇りが認められ、保存前後の外観に顕著な変化が認められる。
作製したボールペンを、ペン先が下向きとなるように、温度60℃湿度30%の環境下で、60日間保存した。保存後のボールペンを用いて、レポート用紙に文字及びループを筆記し、筆記線の状態を目視により観察した。観察結果に基づき、下記基準に従って筆記特性を評価した。
A:書き味が良好であり、筆記線にカスレ及び線飛びの異常が見られない。
B:書き味が悪く、筆記線にカスレ又は線飛びが見られる。
C:書き味が悪く、筆記線にカスレ若しくは線飛びが多く見られる、又は、インクが排出されない。
Claims (3)
- pHが6〜12である、請求項1に記載の水性インキ組成物。
- インキ収容部材、及び、前記インキ収容部材の一端に取り付けられたボールペンチップを備えるボールペンであって、
請求項1又は2に記載の水性インキ組成物が前記インキ収容部材に収容されており、
前記ボールペンチップがボールホルダー及び前記ボールホルダーによって回転可能に保持されたボールを有し、前記ボールが超硬合金ボールである、水性ボールペン。
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US20210032485A1 (en) * | 2019-07-31 | 2021-02-04 | Seiko Epson Corporation | Aqueous ink jet ink composition and an ink jet recording method |
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JPH01197584A (ja) * | 1988-02-02 | 1989-08-09 | Mitsubishi Pencil Co Ltd | 水性ボールペン用インキ組成物 |
JPH07266778A (ja) * | 1994-02-10 | 1995-10-17 | Pilot Corp:The | 水性ボールペン |
JPH09279080A (ja) * | 1996-04-16 | 1997-10-28 | Tombow Pencil Co Ltd | 水性ボールペン用蛍光インキ組成物 |
JPH11349885A (ja) * | 1998-06-08 | 1999-12-21 | Pilot Corp | 水性ボールペンに使用する直詰めインキ |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01197584A (ja) * | 1988-02-02 | 1989-08-09 | Mitsubishi Pencil Co Ltd | 水性ボールペン用インキ組成物 |
JPH07266778A (ja) * | 1994-02-10 | 1995-10-17 | Pilot Corp:The | 水性ボールペン |
JPH09279080A (ja) * | 1996-04-16 | 1997-10-28 | Tombow Pencil Co Ltd | 水性ボールペン用蛍光インキ組成物 |
JPH11349885A (ja) * | 1998-06-08 | 1999-12-21 | Pilot Corp | 水性ボールペンに使用する直詰めインキ |
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US20210032485A1 (en) * | 2019-07-31 | 2021-02-04 | Seiko Epson Corporation | Aqueous ink jet ink composition and an ink jet recording method |
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