| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a water-based ink composition for writing utensil which uses a plate-like pigment, and can improve the redispsersibility of the plate-like pigment by preventing hard caking in a temporal condition when filled in a direct liquid type writing utensil. <P>SOLUTION: The water-based ink for writing utensil contains the plate-like pigment at least the surface of which is coated with a water-insoluble material, and water. <P>COPYRIGHT: (C)2013,JPO&INPIT |
