Тікелей көк B6
Тікелей көк B6 is a dark blue powder, which is turbid to navy blue when dissolved in water. Direct Blue B6 is slightly soluble in ethanol and cellosolve, but insoluble in other organic solvents. It is a kind of direct dye. Direct dyes are dyes that can be heated and boiled in neutral and weak bond phase media without the help of mordants. They are dyed by virtue of the hydrogen bond and van der Waals force between the direct dye and cotton fiber. The main application is It is used in fiber, silk, cotton spinning, leather and other industries, as well as in papermaking and other industries.
Өнімнің басқа атаулары:DirectBlue 2B
C.I .:Тікелей B-6
Молекулалық массасы: 932.77
Сыртқы түрі:Көк ұнтақ
Physical properties of Тікелей көк B6:
Тікелей көк B6 turns bright blue when exposed to concentrated sulfuric acid, and turns purple to reddish blue after dilution. Тікелей көк B6 dyes cellulosic fibers. The dye has good exhaustibility, and the temperature is 60-80℃. Good discharge performance. Dibenzidine is obtained by coupling with H-acid after diazotization. It is mainly used for dyeing cotton, glue fiber and silk fabrics. Also used for the dyeing of pulp and biology
DirectBlue B6 кең қолдану:
1) Тікелей көк B6 can be applied to the dyeing of cotton, viscose fiber and silk fabric;
2) Тікелей көк B6 can be used for the dyeing and printing of viscose silk fabrics, as well as for the dyeing of viscose fabrics, cotton knitted fabrics and hank silk, but it must not be dyed in dark colors and must be treated with a fixing agent after dyeing .
3) Тікелей көк B6 can be applied to the dyeing of leather and paper and the coloring of soap and detergent.