2023-04-18

los colorantes ácidos tradicionales se refieren a los colorantes solubles en agua que contienen grupos ácidos, y la gran mayoría de los grupos ácidos contienen sulfonato de sodio en las moléculas de colorante. Read More

2023-04-18

Learning Guide: Traditional acid dyes refer to water -soluble dyes containing acid groups, and the vast majority of acid groups contain sodium sulfonate exist on dye molecules. Read More

2023-02-24

RefinedThe nylon fabric contains less miscellaneous, and the purpose of refined is to remove fiber in the process of spinning and weaving.The oil and other dirt. So often combine the retreat or cooking drift. Synthetic agents are commonly used in soap or synthetic detergent. For severe dirty, a smal Read More

2022-09-02

Acid Dyes are a class of water-soluble dyes with acidic groups in their structure, which are dyed in acidic media. Most of the acid dyes contain sulfonic acid sodium salt, which is soluble in water, bright in color and complete in chromatogram. Mainly used for dyeing wool, silk and nylon, but also f Read More

2022-09-02

Acid dyes are only suitable for positively charged fibers, such as polyamide fibers in an acid bath, but cotton fibers can also be dyed with acid dyes after cationization.When dyeing with two dyes, the structure of the dye and the structure of the cationic cotton dominate.Better wash fastness can be Read More

2022-04-08

With the use of small liquor ratio and continuous dyeing process, the degree of automation of printing and dyeing has been continuously improved, the emergence of automatic fillers and pulp mixing, and the introduction of liquid dyes require the preparation of high-concentration and high-stability d Read More