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What are the methods of anti-pilling finishing?

Several methods of anti-pilling finishing There are many anti-pilling methods. The methods before and during dyeing include changing the structure, composition and performance of the fiber, changing the spinning process and fabric structure of the yarn, changing the dyeing and finishing process, etc. However, Zero Waste Yarn Computerized Knitting Machine Manufacturers are generally used to finishing cloth and garments after bleaching and dyeing. The methods include:
1. Biopolishing (biological enzyme finishing)
Bio-polishing is a finishing process for improving the surface of cotton fabrics with cellulase to achieve long-lasting anti-pilling effect and increase the smoothness and softness of the fabric. Bio-polishing removes the microfibers protruding from the surface of the yarn, and the fluff on the surface of the fabric is greatly improved. Reduce and become smooth without pilling. (Enzyme hydrolysis and mechanical impact jointly remove the plush and fiber ends on the surface of the fabric, making the fabric structure clearer and brighter in color). Practice has proved that this The method has a long-lasting effect on reducing the pilling, because the ends of the fibers are removed instead of being covered in place, but it should be noted that this method will cause a certain loss of fabric strength and partial weightlessness.
For cotton and polyester/cellulose fiber blended fabrics, cellulase is used; wool or polyester/wool blended fabrics are polished with appropriate biological proteases. Therefore, the process conditions must be strictly controlled, otherwise it will cause enzyme inactivation or serious damage, severe weight loss, and large quantities of fabrics are not suitable (with cylinder difference), so some knitted fabric dyeing and finishing factories are reluctant to use this method.
2. Mild milling method (mainly used for wool fabrics, such as wool sweaters and wool knitwear)
After woolen sweaters and other knitwear are lightly milled by China Smart Running Computerized Flat Knitting Machine, the roots of the wool fibers are felted in the yarn, and the fibers are entangled with each other, thus enhancing the friction coefficient between the fibers and making Fibers are less likely to slip out of the yarn when rubbed, which in turn reduces pilling in fabrics such as wool sweaters. At present, fabrics such as worsted sweaters are generally milled slightly to improve their anti-pilling effect. Its technological process is: sweater soaking - mild milling - washing - dehydration - drying.

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