【摘要】 介绍了PET中环聚物的结构、生成机理和研究方法,分析了环聚物的产生、组成和性质,提出了减少PET中环聚物含量的一些措施。更多还原

【Abstract】 The structure, study methods of cyclic oligomers and their formation mechanism were reviewed. The composition, properties and formation routes of cyclic oligomers were analysed. Some measures were given to decrease the content of cyclic oligomers in PET.更多还原