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A brief history of the development of engineering plastics Sep 14, 2016

Until in the 1950 of the 20th century is the rapid development of engineering plastics. Polyamide 66 resin has been developed and put into production as early as 1939, but it was mainly used in the manufacture of synthetic fiber, until 50 to break traditional uses pure fiber after molding manufacturing plastics. Really rapid development of engineering plastics, are in the late 50 's POM and polycarbonate development success, their appearance is of special importance. Because of high crystallinity of Pom, given its excellent mechanical properties, which make plastics as a substitute for metal material and for the first time among the ranks of structural materials. Later as the acetal copolymer development and popularization of screw type injection molding machine, further establishing the important position of engineering plastic materials. While polycarbonate is transparent plastic with excellent performance, widely used, is one of the fastest-growing engineering plastics, engineering plastics area, second only to its production and consumption of polyamide and ranked second.

In 1961, the United States du Pont developed polyimide and opened the road to the development of special engineering plastics. Polyimide also contributed to the emergence of polysulfone, and polyphenylene ether and polyethylene of benzimidazole and many other heat-resistant engineering plastics developed, had a profound influence on the development of the plastics industry.

United States General in 1964, the company will put the development of polyphenylene oxide resins for industrial production.

In 1980, United Kingdom ICI company has successfully developed a melting point up to 336 c of special engineering plastics polyether ether ketone (PEEK). PEEK has excellent heat resistance, resistance to radiation and chemical resistance, and injection molding, which has aroused widespread concern. To PEEK into the matrix through fiberglass or carbon fiber reinforced composite materials, have been applied in the field of aviation and aerospace.

Successful development of thermotropic liquid crystalline polymers in the mid 1980 of the 20th century is another major event in the history of special engineering plastics. Excellent heat resistance of liquid crystal polymer, temperature up to 200 deg has reinforced, high strength, high modulus, chemical resistance and other characteristics, low melt viscosity, easy, in the electronics industry, has a very broad application prospects.