Effect of Neps on Printing and Dyeing Quality


Small neps - white stars. Mostly caused by poor processing and immature fibers, especially pest cotton and buckwheat cotton fiber. The locust plague, which is the crop of crops, is the most catastrophic of textile quality. Because of its small size, it is easily conceived and adhered by gauze, which is difficult to remove during the entire textile printing process. For example, due to the small size of the neps, the weight is easily wrapped in the yarn or adhered to the surface of the yarn, and is woven into a cloth and attached to the surface of the cloth. During the printing and dyeing process, because the cotton fibers are twisted together, only the surface hairs are burned in the singeing process and the cotton fiber masses cannot be burned. When the cotton fiber mass attached to the surface of the cloth printing and dyeing water, its adhesion is stronger, when printing and dyeing it will block the color of the fabric. After printing and dyeing cloths are dried, due to the change of the cellulose crystal areas in the fibers after the printing and dyeing of the neps under the action of chemical dyes, the adhesion is reduced and dropped off, and numerous irregular and unstained original white-like appearances appear on the cloth surface.疵 , 使 使 使, so that the printing and dyeing cloth bulk down. Serious damage and huge losses.


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