Introduction of chemical fiber blends

- Mar 21, 2021-

Chemical fiber blended chemical fiber fabric is a textile product woven by a variety of chemical fiber blended yarns. Chemical fiber is a fiber made of natural or synthetic polymer materials as raw materials. According to the different sources of raw materials, it can be divided into man-made fibers using natural polymer materials as raw materials and synthetic fibers using synthetic polymer materials as raw materials. The preparation of chemical fiber usually involves first making a natural or synthetic polymer or inorganic substance into a spinning melt or solution, then filtering, metering, and extruding it from a spinneret (plate) into a liquid stream, and then It coagulates into fibers. The fiber at this time is called the nascent fiber, and its mechanical properties are very poor, and it must go through a series of post-processing procedures to meet the requirements of textile processing and use. Post-processing is mainly for stretching and heat setting the fiber to improve the mechanical properties and dimensional stability of the fiber. Stretching is to make the macromolecules or structural units in the nascent fiber orientate along the fiber axis; heat setting mainly relaxes the internal stress in the fiber. The post-processing of wet-spun fibers also includes water washing, oiling, drying and other processes. When spinning filament, it can be wound into a tube after the above-mentioned process; when spinning short fiber, it is necessary to increase the process of crimping, cutting and packing.

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