The microstructure and crystallizability of polybutylene terephthalate(PBT)/polyethylene glycol(PEG) copoly(ether-ester)s with different block length were studied by SAXS, WAXD and DSC.

• 采用小角、宽角X射线衍射和差热分析法研究了具有不同嵌段长度的聚对苯二甲酸丁二醇酯-聚乙二醇共聚醚酯的微观结构和结晶能力。