| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a water-based ink composition for writing utensils, such as a marking pen, a ballpoint pen, a fountain pen, a fiber-tipped pen and a plated ballpoint pen, the composition being excellent in the writing performance after left as it is for many hours and the writing performance after used intermittently and providing handwriting excellent even in an actual usage environment. <P>SOLUTION: The water-based ink composition for writing utensils contains water, a colorant and 2,5-dimethyl-2,5-hexanediol at the least. <P>COPYRIGHT: (C)2012,JPO&INPIT |
