| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a simply erasable coloring agent composition that can simply be erased by washing with water or detergent not being colored even when clothe or the like is stained with the colorant. <P>SOLUTION: The ink composition for erasable marking pen comprises low direct dying dye is selected from the dichlorotriazine type, monoclorotriazine type, vinyl sulfone type, chloropyrimidine type, dichloroquinoxalin type, monochlortriazine and vinylsufone difunctional type and the water-soluble resin is selected from synthetic polyhydric alcohol, carboxylic acid or its salt and sulfonic acid or its salt. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
