Polyester fiber is a synthetic fiber obtained by spinning polyester obtained by polycondensation of organic dibasic acid and diol, referred to as PET fiber, which belongs to a polymer compound. Invented in 1941, it is the first large variety of synthetic fibers.
The biggest advantage of polyester fiber is that it has good wrinkle resistance and shape retention, and has high strength and elastic recovery ability. It is durable, anti-wrinkle, non-scalding and non-sticky. It has good electrical insulation performance, sunlight resistance, friction resistance, mildew resistance and moth resistance, good resistance to chemical agents, and resistance to weak acids and alkalis.
At room temperature, it has a certain ability to withstand dilute strong acid, but poor resistance to strong alkali. The dyeing performance of polyester is poor, and it must be dyed with disperse dyes under the conditions of high temperature or the presence of a carrier.
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