Disperse Orange 20

Preparation

Aniline diazo, and 2-Amino-4-methylanisole?coupling, product to diazo, coupled with phenol; Aniline??diazo, and 2-Amino-6-methylanisole?coupling, product to diazo, coupled with phenol.

Properties and Applications

Yellow orange. Sauce red powder. Soluble in ethanol, acetone, benzene, slightly soluble in carbon tetrachloride. In the dark for the strong sulfuric acid, diluted for yellow brown. Dyeing met in the copper, iron ion colored light without change. Dyeing appropriate pH value is 4-7, after dyeing and printing alkaline resistance when is poor. The dye for yellow orange color, and the fastness is compatible, suitable for dyeing of high temperature and high pressure, also suitable for hot melt method dyeing, appropriate dye shallow, color. Carrier dyeing method can also apply. Dye vinegar fiber, dye the colored light and a similar polyester, levelness and color fastness is better, in dye three vinegar fiber, nylon 6 and nylon 66, its color and polyester similar, is not suitable for dyeing acrylic. Can be polyester/cotton fabrics direct printing, may also be the impression of the discharge printing.