Uses of VAT dye in dyeing

In the process of competition with transnational corporations, China dyestuffs industry earlier access to development trend of green, learn to deal with green legislation and policy. Comparison with the General chemical products, dye composition of the product is more complex, many components of dye products are more than one. Companies need to focus on the dye composition of products, namely dyes components structural, purity and additives usage.

VAT dye has a long history, restore blue RSN is found in 1904, today it is important cotton dye category used for manufacture Cellulose fiber and senior products or functional products. With fast development of economy, the consumption is diversify, so the requirements to textiles are functional, comfortable and fashion.

Compared with reactive dyes, VAT dye has excellent of resistance chlorine fastness and washing fastness. In addition, VAT dyes are suitable for the needs of highest levels of wet fastness of textiles dyeing and printing. VAT dyes has very good stability, and VAT dyeing of fabrics are more stable by the time change than the reactive dyes fabrics. Fabrics used VAT dyeing can show natural plants color and European-style features on the basis of bold shades, such as Indigo dyes and VAT dyes direct printing dyeing cloth for washing (stone wash, bleach, etc), it can manufacture textiles with very intuitive clear and natural plants tone.

VAT dyes molecular do not contain water dissolved group, so they are not dissolved in water. It main used for fiber dyeing, such as cotton, wool, stick rubber and so on. The wet processing fastness of dyeing fabric is good, most dyes have high of resistance sun fastness. They are widely used high-grade dyes in all kinds of dye goods at present. VAT dye molecular contains at least two Carbonyl in conjugate system.

Currently the market supply VAT dye formulations have super micro-formulations or Colloisol formulations, super fine powder formulations and fine powder formulations. China super micro-formulations VAT dye is made by new technology and specific formula, it is named for SM type restore dye. Now it has more than 20 varieties. From the analysis of suspension padding process requirements, super micro-formulations VAT dye is the most appropriate one; considered from dip dyeing, although these three can be used, but the leveling effects of super micro-formulations VAT dye is the best. Besides, super micro-dispersion of liquid VAT dye has been developed in abroad, it is suitable for printing of cotton fabrics. Click here to read more!