| 摘要 |
<p>PURPOSE:To obtain the titled ink without causing bad writing, such as blurring, and feathering even by allowing an uncapped pen to stand for a long period and suitable as a ball point pen, marking pen, etc., by adding sorbitol to a system containing a watersoluble dye or water-color pigment. CONSTITUTION:The aimed ink obtained by adding preferably 0.5-50wt.% sorbitol to a system containing a water-soluble dye or water-color pigment. Furthermore, other water-soluble organic solvents, such as ethylene glycol, propylene glycol or diethylene glycol, are preferably used together and the amount of the sorbitol used is preferably limited to <=20wt.%.</p> |
