Latest News and Updates on Textile Auxiliaries and Dyes

Sulfur dye has a history of more than 100 years since its birth. The first sulfur dye was made by Croissant and Bretonniere in 1873. They will contain organic fibers, such as wood chips, bran, scrap cotton and waste. Paper and other sulfide and polysulfonal alkali are obtained. Read More

Dyeing of cotton knitted fabric with sulfur dyes1. The characteristics of sulfur dyes1. Sulfur dyes are cheap and easy to apply, suitable for dyeing various products of cellulose fiber.2. The color of sulfur dyes is not bright, the fastness to chlorine is poor, the chromatogram is incomplete, and th Read More

Defects of sulfur dyes and solutionsThe problemSulfur dyes have a short production process, low price, and good fastness. However, they still have many shortcomings and problems in actual production and application, so they still cannot be widely used in various fabrics.Sodium sulfide is used in the Read More

The dyeing mechanism of sulfur dyesFeaturesSulfur dyes are a type of sulfur-containing dyes. The molecules contain sulfur bonds composed of two or more sulfur atoms. When used, they are reduced to leuco body, dissolved in water, and dyed fibers. The dyeing characteristics of sulfur dyes vary dependi Read More