| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a coloring material composition free of problems such as bleeding when applied to paper, erasable by simple washing when adhered to fiber assembly such as cloth or nonwoven fabric, and excellent in dispersion stability as well. <P>SOLUTION: The erasable coloring material composition essentially comprises a color pigment, a water-soluble resin, a wetting agent and water, wherein the color pigment P is dispersed by the water-soluble resin R, the weight ratio of the color pigment P to the water-soluble resin R is (1:1) to (1:30), and the content of the wetting agent is 0.5-15 wt.%. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
