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In 1941, pet was first developed by British J.tt.Whinfield and J.T.Dickon. PET has been used as a fiber raw material for 53 years. British Imperial Chemical Company (1.cI) was put into production with polyester (Teleron) fiber in 1946, and then DuPont in the United States in 1948 with "Dacron" (Dacron) ) Fiber is put into production.
PET is divided into fiber grade polyester chips and non-fibrous polyester chips:
1 Fiber-grade polyester is used to manufacture polyester staple fiber and polyester filament. It is a raw material for processing fiber and related products of polyester fiber enterprises. Polyester is the largest variety of chemical fiber.
2 Non-fibrous polyesters are also used in bottles, films, etc., and are widely used in the packaging industry, electronic appliances, medical and health, construction, automotive and other fields. Among them, packaging is the largest non-fiber application market for polyester, and it is also the most PET growth. Fast field.