This paper introduces the preparing method, the structure, the properties and applications of poly (trimethylene terephthalate) (PTT), and it compared with PET, PBT et al. engineering plastics.

• 本文介绍了聚对苯二甲酸丙二醇酯(PTT)的制法、结构、性能及应用,并和PET、PBT等工程塑料进行了比较。