【摘要】 应用傅里叶变换红外偏振光谱对涤纶工业丝样品的反式构象含量、非晶取向、整体取向等结构参数进行了表征 ,对制备涤纶工业丝各阶段中结构变化规律进行了初步探索更多还原

【Abstract】 The polarized FTIR was applied to characterize the structure of Poly(Ethylene Terephthalate) (PET) yarn for industrial use.The fractions of trans and gauche conformers,the orientation of PET chain in the amorphous region and the overall molecular orientation of the samples,have been determined.The structure development during the process has been revealed.更多还原