| 摘要 |
<p>PURPOSE:To obtain an aqueous ink capable of trying writing utencils to be converted to be nondryable by incorporating a specific amount of a dibasic acid ester in a conventional aqueous ink. CONSTITUTION:The objective ink can be obtained by incorporating (A) a conventional aqueous ink, with (B) 1-5wt% of a dibasic acid ester (e.g. ester from succinic acid, glutric acid or adipic acid).</p> |
