| 摘要 |
<p>PURPOSE:To provide titled composition of high drying resistance and storage stability through retarding evaporation, for use in writing utensils, stamps, recorders, printing, etc., comprising an aqueous dye solution containing specific polyethylenepolyamine derivative. CONSTITUTION:The objective composition can be obtained by dissolving in water (A) a dye (e.g., acid dye such as Eisen eosin CH) and (B) a polyethylenepolyamine derivative of formula I [n is 1-4, R1-R5 are each of formula II (m is 0, 1-3)] (e.g., pentaoxypropylenediethylenefriamine) in a weight ratio 1/10-10/1.</p> |
