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Preparation of carbon fiber

Industrial production can be classified by raw polyacrylonitrile (PAN) CF, pitch-based carbon fibers and rayon based carbon fiber three categories, but mainly the production of the first two kinds of carbon fiber. By viscose business take high mechanical performance of carbon fiber must by high temperature stretch graphite of, carbide received rate low, technology difficulty big, equipment complex, raw materials rich carbide received rate high, but for raw materials modulation complex, and products performance lower, also not get mass development; by polypropylene nitrile fiber original silk business have of high performance carbon fiber, its production process more other method simple, production about accounted for global carbon fiber total of 90% above.