C.I. Disperse Yellow 58

Preparation

1,4,5,8-Naphthalenetetracarboxylic dianhydride?and 3-Methoxypropan-1-amine?3,4-dichlorobenzenamine?condensation, the closed loop.

Properties and Applications

brilliant yellow. Yellow powder, in the dying met in calcium, magnesium ions have a major influence on color shade, iron ion slightly influence, copper ions no effect. The dye appropriate pH value for 5 ~ 7, in dyeing and printing of alkaline when general. The color of the dyes to micro segong is colourful yellow, and a bright fluorescent, the fastness is compatible, suitable for high temperature and high pressure dyeing, carrier dyeing method is compatible, hot melt temperature in the vinegar for fiber, polyamide fiber and three vinegar on the dyeing performance is not good. But in polyester direct printing, printing and dyeing can do the impression.