2022-10-28

Most of the gauze used in the color woven cotton dab, such as labor cloth and Yuan Gong, mostly use sulfur dye dyeing. The price of vulcanized dyes is cheap, the color of the dyeing is full, and the water washed is better. It is one of the commonly used dyes of yarn dye.Sulfur dye contains more sulf Read More

2021-06-28

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

2021-04-09

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

2021-04-07

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