ANALYSIS OF PHYSICAL AND MECHANICAL PROPERTIES OF MIXED FIBER YARNS USED IN THE MANUFACTURE OF HIGHLY ELASTIC FABRIC
Keywords:
cotton, wear, nylon, shapeAbstract
Polyester (PE) fibers are synthetic fibers formed from polyesters. In industrial use, they are called "polyester" and "Dacron" [9]. Lavsan-is characterized as a strong, elastic, low-creep fiber that has the following properties: moisture absorption at 20°C at 65% relative humidity is 0.3-0.4%; preservation of strength in the wet state is 100%, in the loop 80-90%, the thread density is 1.38-1.4 g / cm3, the modulus of elasticity is 2.5-3 GPa. The positive properties of polyester fibers are shown in optimal mixtures: 50-67% PE fiber and 50-33% cotton, 68% polyamide and 32% elastane [5-6], 75% cotton, 18% polyamide and 7% elastane, 75% nylon and 25% spandex, 30% TENCEL® and 70% polyester [7]. These materials are best suited for making sports tops, t-shirts, breeches and trousers. These fabrics are comfortable to wear, easy to care for, do not lose their original shape for a long time — they do not shrink and do not stretch
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