| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an ink composition for oily marking pens which can form clear handwriting even on a wet writing surface and the handwriting is kept on the writing surface. <P>SOLUTION: The ink composition for oily marking pens is prepared by dissolving an alkylphenol resin having a contact angle of water on a coating film of the resin of 90°or more and an oil soluble dye in an isoparaffine solvent. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
