The variations of structure and orientation of poly(ethylene terephthalate) (PET) three dimensional crimp hollow fiber were investigated by infrared attenuated total reflection (IR ATR) method.

• 应用红外衰减全反射法（IR－ATR）考察了聚对苯二甲酸乙二酯（PET）三维卷曲中空纤维在加工过程中的结构和取向的变化。