Latest News and Updates on Textile Auxiliaries and Dyes

Acid dye refers to a dye that contains acid groups in dye molecules that can be combined with amino groups in protein fiber molecules with ion bonds and applicable to acidic, weak acids or neutral conditions.Its structure is mainly nitrogen and 为, and a few are aromatum methane structures.

SummaryFor the printed effects, color uniformity, and color accuracy of nylon velvet fabric, the pre -treatment of nylon velvet cloth printing is pre -treated, combined with the selection of printed dyes, the preparation of color pulp, and the optimization of the process conditions, and the optimiza

Acid Dyes is a water -soluble dye with acid groups on a type of structure, which is stained in an acidic medium.

Horizontal, horizontal strip1. Cause analysis: The nylon fiber on the fabric has differences in chemical or physical characteristics.

1. Overview of acid dyes1. History of acid dye:In 1868, the earliest acid -dye triophane acidic dye appeared, which has a strong dyeing ability but poor in accuracy.

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

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

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

Los tintes ácidos, tintes directos y tintes reactivos son todos tintes solubles en agua, y la producción en 2001 fue de 30.000 toneladas, 20.000 toneladas y 45.000 toneladas respectivamente.

Acid dyes, direct dyes and reactive dyes are all water-soluble dyes, and the output in 2001 was 30,000 tons, 20,000 tons and 45,000 tons respectively.

1 What is the network degree of silkThe product of network processing is called network wire, also known as interlaced wire, which uses compressed air flow to spray, impact and collide the tow, so that the individual filaments in the tow are irregularly intertwined, forming a good cohesion. Performa

By analyzing the factors of the pH value of nylon cloth in production, such as bath ratio, acid used in the bath and acid dosage, etc., suitable production conditions are formulated to overcome the shortcomings of sourness, yellowing in storage and unstable pH value of nylon finished cloth. After ad