Preparation
Thermoplastic polyesters PET and PBT for injection moulding
Article REF: AM3376 V1
Preparation
Thermoplastic polyesters PET and PBT for injection moulding

Authors : Jacques DESBONNET, Géraud APCHIN

Publication date: July 10, 2001 | Lire en français

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1. Preparation

1.1 Polymers

There are two types of thermoplastic polyester commonly used in injection moulding, whose abbreviations have been standardized by ISO 1043:

  • PBT: poly(1,4-butanediol terephthalate)

  • PET: poly(ethylene glycol terephthalate)

The general chemical structure of PBTs and PETs is as follows:

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