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PET chemical name is "polyethylene terephthalate", English name is terephthalate Polyethylene, referred to as PET, is a high polymer, by dehydration condensation reaction of ethylene glycol terephthalate. PET was originally extracted from petroleum, processed into chemical fiber raw materials and bottle grade PET chip raw materials, and now mainly has the acid and ethylene glycol esterification and dehydration condensation. The structure model and the form of chemical symbol are as follows:
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