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[Chemical Knowledge]:What are the role and uses of polyacrylonitrile

polyacrylonitrile (polyacrylonitrile) is obtained by radical polymerization of monomer acrylonitrile. The acrylonitrile units in the macromolecular chain are connected in a linker-tail manner. It is mainly used to make polyacrylonitrile fiber. The strength of polyacrylonitrile fiber (commonly known as acrylic fiber) is not high, and the wear resistance and fatigue resistance are also poor. The advantages of polyacrylonitrile fiber are good weather resistance and sun resistance. It is also resistant to chemical reagents, especially inorganic acids, bleaching powder, hydrogen peroxide and general organic reagents.

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Five functions and uses

of polyacrylonitrile 1. Used as fiber in hot gas filtration system, outdoor awning, yacht sail and fiber reinforced concrete

2. Used to process metals

3. Used for pure spinning or blended with wool and other chemical fibers to make textiles and knitwear

4. Used for medical appliances, artificial organs, ultra-pure water manufacturing, sewage treatment and reuse, etc.

5. It can be used as packing, fireproof clothing and carbon fiber after weaving.

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