Melting point, morphology and structure of aggregating state of PET fibers were investigated through DSC, SEM, WAXS and orientation analysis before and after supercritical CO_2 dyeing.

• 用DSC、扫描电镜、X射线衍射、萨那蒙法对超临界二氧化碳处理聚酯纤维的熔点、表面形态结构、聚集态结构进行测定,并对处理后织物的收缩性能进行了分析探讨。