Improving with PIA crystallinity of pet was studied, the results showed that pet chips for hot fill bottles had spe-cial crystallinity,and explained pet chips for hot fill bottles how to adapt to processing.

• 作者研究了用间苯二甲酸(PIA对聚酯(PET)结晶性能的改进,表明热灌装瓶用共聚聚酯切片有特殊的结晶性能;结合热灌装瓶的成型工艺,介绍了热灌装瓶用共聚聚酯切片是如何适应加工需要的。