| 摘要 |
PURPOSE:The title ink having improved quick drying property and circularity of printed dots on paper, without clogging nozzles, comprising a water-soluble dye, water, an alcohol-amine, and a polyhydric alcohol derivative. CONSTITUTION:An ink comprising (A) 0.1-9wt%, e.g. 1.5wt%, of a water-soluble dye, e.g. C.I. Direct-Black-19, (B) 5-45wt%, e.g. 25wt%, of an alcohol-amine, e.g. ethylmonoethanol-amine, and (C) 5-45wt%, e.g. 10wt%, of a polyhydric alcohol derivative, e.g. diethylene glycol monobutyl ether, and (D) the rest, e.g. 63.5wt%, of water. |
