发明名称 |
WATER-BASED INK COMPOSITION FOR BALLPOINT PENS |
摘要 |
<p>A water-based ink composition for ballpoint pens which ensures smooth writing at the early stage and after time passage, shows no faint part in handwriting and can sustain a stable writing performance to thereby give favorable handwriting continuously. Namely, a water-based ink composition for ballpoint pens wherein a coloring agent is dissolved or dispersed in an aqueous vehicle. The aqueous vehicle substantially consists of water and is free from water-soluble organic solvents. It contains a shear-thinning tackifier together with a thickening-controlling agent. This thickening-controlling agent is one or more members selected from the group consisting of a polyalkylene glycol, a polypropylene glycol derivative, polyvinyl alcohol, polyvinylpyrrolidone, a cellulose-derived high molecule compound, a high molecule compound having a polyalkylene oxide group and/or a surfactant having a polyoxyethylene group.</p> |
申请公布号 |
WO2009040888(A1) |
申请公布日期 |
2009.04.02 |
申请号 |
WO2007JP68603 |
申请日期 |
2007.09.26 |
申请人 |
THE PILOT INK CO., LTD.;KITAOKA, NOBUYUKI;ONO, YOSHIAKI |
发明人 |
KITAOKA, NOBUYUKI;ONO, YOSHIAKI |
分类号 |
C09D11/18;B43K7/00;B43K24/00 |
主分类号 |
C09D11/18 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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