The Dongfangwang reporter learned from Shanghai Jiaotong University on the 18th that Prof. Bin Yang from Professor Wang Xinling of the School of Chemistry and Chemical Engineering has successfully developed the first domestic carbon fiber composite material waste with completely independent intellectual property after five years of arduous technical research. The pyrolysis recovery technology and equipment have reached the international level of large-scale production capacity, filling the gap in the domestic field. Carbon fiber is a kind of black special inorganic polymer fiber composed of carbon elements. Only one-tenth of the hair fiber, the density is one fourth of the steel, and the specific strength is ten times that of steel. Because of its high strength, ultra-light weight, high temperature resistance and high pressure, thermosetting resin matrix composites made of carbon fiber have been hailed as the “king of new materials†in the world today. It has always been important in developed countries such as the United States, Japan, and Germany. The national strategic materials used to manufacture spacecraft, aircraft, communications satellites, and sophisticated weapons, etc. It is predicted that the global carbon fiber composite products will reach 50,000 tons by 2020, of which carbon fiber will be more than 25,000 tons, and the average price will be 200 yuan. Calculated in kilograms, the value is approximately RMB 5 billion. There are about 60-70 kg of carbon fiber per 100 kg of aviation carbon fiber composite waste, and these carbon fibers still have extremely high recycling value. Although it has a very high recycling value, it is hindered in practice. The recycling of carbon fiber composites means that the thermosetting matrix resin in the carbon fiber composite is decomposed into small molecules by dissolution or pyrolysis, thereby separating the high-value carbon fibers. The research team of Professor Wang Xinling of Shanghai Jiaotong University's School of Chemistry and Chemical Engineering, funded by the Shanghai Municipal University of Development and Reform Commission “Shanghai Jiaotong University’s Large Civil Aircraft Innovation Projectâ€, was proactively led by Prof. Bin Yang from 2010 to start engaging in the recycling of large-scale carbon fiber composite materials. Research and development. After five years of arduous technical research, it has innovatively proposed a comprehensive solution to the defects inherent in the cracking method and solved a series of key problems encountered in engineering amplification. It has successfully developed the first fully autonomous knowledge in China. The scale-based new cracking recovery technology and equipment of property rights have an annual capacity of more than 200 tons of carbon fiber composite material waste. At present, only three companies in Germany, Japan, and the United States have industrialized technologies for recycling carbon fiber composite waste. Compared with international advanced technology, the recycling technology of Shanghai Jiaotong University has the characteristic of retaining large dimensions before waste treatment. This eliminates the need for cutting and smashing of waste, and more importantly, it maintains a sufficient length of recycled carbon fiber and improves it. The value of carbon fiber reuse. The performance and unit energy consumption of the recycled carbon fiber obtained by this technology have reached the international level, filling the gap in the domestic field. At present, this technology has been supplemented by the China Automotive Technology and Research Center to the 2015 "General Guideline for the Recyclability and Recyclability of Vehicle Materials," which has an important industrial application prospect. (Reporter Liu Yulin) Optical Lens ,Spherical Lens,Double Concave Lens,Types Of Optical Lenses Ningbo Beilun Kalinu Optoelectronic Technology Co.,Ltd , https://www.yxmicroscope.com
Turning to the development of new cracking recovery technology and equipment for carbon fiber composite materials waste