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公开(公告)号:EP3260506A1
公开(公告)日:2017-12-27
申请号:EP16752533.6
申请日:2016-02-18
发明人: HAGA Hisato
摘要: Provided is an aqueous ink composition for a writing instrument which is excellent in a drying property of the drawn lines and a low temperature stability of the ink while inhibiting the pen tip from drying and which prevents the drawn lines from causing feathering and strike-through.
The aqueous ink composition for a writing instrument described above contains at least a colorant, trimethylglycine, pentaerythritol, 10 % by mass or less of a water-soluble organic solvent, and water.摘要翻译: 本发明提供一种书写工具用水性油墨组合物,该书写工具用水性油墨组合物在抑制笔尖干燥的同时,在画出的线的干燥性和墨的低温稳定性方面优异,并且防止画线产生羽化和透印。 上述用于书写工具的水性油墨组合物至少含有着色剂,三甲基甘氨酸,季戊四醇,10质量%以下的水溶性有机溶剂和水。