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Mpweya CHIKWANGWANI Yopanga Njira

Pakadali pano, industrial production of carbon fiber can be divided into three categories according to the raw material route: polyacrylonitrile (Pan) -zochokera mpweya CHIKWANGWANI, phula ofotokoza mpweya CHIKWANGWANI ndi viscose ofotokoza mpweya CHIKWANGWANI. Mpweya ulusi wopangidwa kuchokera ulusi viscose ayenera graphitized ndi mkulu-kutentha anatambasula. The carbonization zipatso ndi otsika, luso n'zovuta, zida ndi kobvuta, ndipo mtengo ndi mkulu. mankhwala ali makamaka ntchito zipangizo ablative ndi zipangizo kutentha kutchinjiriza. Mpweya CHIKWANGWANI amapangidwa kuchokera phula ndi magwero wolemera zopangira ndi mkulu carbonization zokolola. Komabe, chifukwa yokonza zovuta za zipangizo ndi ntchito otsika mankhwala, sizinapezekebe anayamba mwaunyinji. Mkulu-ntchito mpweya ulusi chingapangidwe kuchokera ku polyacrylonitrile CHIKWANGWANI precursors. The production process is simpler than other methods, and the product has excellent mechanical properties and a wide range of uses. Therefore, it has made great progress since its introduction in the 1960s and has become today The mainstream of carbon fiber industrial production.


The production of polyacrylonitrile-based carbon fibers mainly includes two processes of raw silk production and raw carbonization. The production process of raw silk mainly includes the steps of polymerization, defoaming, metering, spinning, traction, water washing, oiling, drying and collection. The carbonization process mainly includes processes such as laying, pre-oxidation, low-temperature carbonization, high-temperature carbonization, surface treatment, sizing and drying, and winding and winding. According to different product specifications, carbon fiber is currently divided into aerospace-grade and commercial-grade, also known as small-strand tow or small tow and large tow -strand tow or large tow) Carbon fibers above 48K are often referred to as large tow carbon fibers, including 48K, 60K, 120K, 360K and 480K. Astronautics-grade carbon fiber is mainly 1K, 3K, 6K. The development of 14K and 21K is mainly used in defense military and high technology, as well as sports and leisure products, such as aircraft, missiles, rockets, satellites and fishing rods, golf clubs, tennis rackets and so on. Industrial grade carbon fiber is used in different civil industries, including: textiles, medical and health, mechanical and electrical, civil construction, transportation and energy.


Post time: 2020-03-24