| 摘要 |
<p>PURPOSE:To obtain the title composition smoothly feeding ink in beginning of writing, providing a stable feeling in writing and slightly deteriorating with the elapse of time, comprising an organic solvent, colorant and a polyoxypropylene glycol having a specific molecular weight. CONSTITUTION:The objective composition comprising an organic solvent, a colorant and a polyoxypropylene glycol shown by formula I (n is number of addition mols and positive integer) or a polyoxyethylene polyoxypropylene glycol shown by formula II (m is number of addition mols and positive integer) having 1,000-3,000 average molecular weight.</p> |
