DISPERSE VIOLET 26

Preparation

1,4-Diamino-2,3-dichloroanthracene-9,10-dione and Phenol?condensation.

Properties and Applications

red light purple. Reddish brown powder, soluble in alcohol. The strong sulfuric acid in colorless, diluted red for yellow light. In dyeing calcium and magnesium ions not sensitive, iron ion in a slight influence, copper ions in big effect. Dyeing appropriate pH value for 3 to 8, dyeing and printing not alkali resistance. The dyes red light for purple, suitable for polyester and blended fabric dyeing and printing, and have a good color fastness to dry, suitable for high temperature and high pressure and hot melt dyeing method. Hot melt dyeing appropriate temperature of 200 ~ 210 ℃. In three vinegar on fiber dyeing color and polyester similar. Not suitable for two vinegar fiber, polyamide, acrylic. In polyester fabric can be directly on printing, cannot be printing the impression of the discharge.