发明名称 |
WÄSSRIGE TINTENZUSAMMENSETZUNG FÜR KUGELSCHREIBER |
摘要 |
<p>Provided is a water-based ink composition for a ballpoint pen characterized by comprising at least colored resin particles which have an average particle diameter of 2 to 20 mu m and which are non-thermoplastic in a proportion of 5 to 30 % by weight based on the total amount of the ink composition and non-colored particles having a glass transition point of lower than 0 DEG C. The average particle diameter of the non-colored particles described above is controlled preferably to 0.01 to 10 mu m. The water-based ink composition for a ballpoint pen described above further comprises preferably at least one selected from ethylene oxide or propylene oxide adducts of glycerin and ethylene oxide or propylene oxide adducts of diglycerin in a proportion of 1 to 30 % by weight based on the total amount of the ink composition. <??>The above water-based ink composition for a ballpoint pen is stable with the passage of time and excellent in a writing performance, erasability by an eraser and abrasion resistance.</p> |
申请公布号 |
DE60237306(D1) |
申请公布日期 |
2010.09.23 |
申请号 |
DE2002637306 |
申请日期 |
2002.11.07 |
申请人 |
MITSUBISHI PENCIL K.K. |
发明人 |
IWAMOTO, KIYOSHI;TOMI, HIDEAKI;TAKEUCHI, YOJI;MIYAMOTO, MASARU |
分类号 |
C09D11/18;C09D11/17 |
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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