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02-01
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Speed up the application of high-performance fibers, two departments issued a document to promote the high-quality development of chemical fiber industry
Ministry of Industry and Information Technology, the National Development and Reform Commission recently jointly issued the "guidance on the high-quality development of the chemical fiber industry", proposed to 2025, the average annual growth in industrial added value of chemical fiber enterprises above the scale of 5%, chemical fiber production in the global share of the basic stability. It is clear that enhance the level of production and application of high-performance fibers, improve quality consistency and batch stability, and further expand the application of high-performance fibers in aerospace, wind and photovoltaic power generation, marine engineering and other fields
Introduction to Aramid
Aramid fiber, known as aromatic polyamide fiber, is obtained from the synthesis of aromatic diamines and aromatic dibasic acids. According to the position of the amide bond and aromatic ring linkage, can be divided into inter-aramid (also known as aramid 1313) and para-aramid (also known as aramid 1414). Para-aramid has high specific strength, high specific modulus, high temperature resistance and flame retardant and other excellent properties, and carbon fiber, ultra-high molecular weight polyethylene fiber and known as the world's three high-performance fibers.
Aramid development prospects
Since the beginning of the 21st century, China has included para-aramids and fibers as one of the key new materials for development in China, and the State Council, the National Development and Reform Commission and the Ministry of Industry and Information Technology have repeatedly included para-aramids in the list of key new materials for development.
China's aramid development status
China has started the research of meso-aramid technology since 1960s, but it has not reached the industrialization technology level because of the low level of overall chemical industry. Until 2004, Taihe New Material took the lead in industrializing meso-aramid in China, breaking the monopoly of foreign countries, and now the domestic meso-aramid has a certain scale, with a production capacity of about 12,000 tons/year, of which Yantai Taihe has a production capacity of 7,000 tons/year, second only to DuPont of the United States.
Background needs and strategic significance of the development of high-performance fiber industry
High-performance fiber refers to the external physical and chemical effects of a class of special fibers with special tolerance, is one of the main development direction of the chemical fiber industry in recent years, according to the chemical composition can be divided into organic high-performance fibers and inorganic high-performance fibers. High-performance fibers are not only an important strategic material urgently needed for the development of aerospace and defense industry