TPA/EG/PHB三元液晶共聚酯的液晶行为研究  

The Study on the Liquid Crystalline Behavior of TPA/EG/PHB Triple Liquid Crystal Copolyester

作　　者：龚烈忠 王晓工[1] 刘德山[1] 高彦芳[1] 周其庠[1] 

机构地区：[1]清华大学化工系

出　　处：《中国塑料》1992年第3期10-13,共4页China Plastics

摘　　要：提高PET/PHB的无规性是近年来人们很关心的问题,因为它涉及到如何进一步提高 PET/PHB 的性能,我们以前的研究结果表明用 PET 齐聚物为原料制备的TPA/EG/PHB 三元液晶共聚酯比 PET/PHB 具有更高的无规性。本文进一步研究了TPA/EG/PHB 的液晶行为,并与 PET/PHB 进行了对比。It was a very attractive topic to improve the randomness of PET/PHB copo-lyester in recent years.We had found that TPA/EG/PHB triple liquid crysta-lline copolyester which was prepared with PET oligomer had higher rando-mness than PET/FHB by the results of H-NMR in our early study.In thispaper,the liquid crystalline behaviors of TPA/EG/PHB copolyester had beenstudied by DSC,X-ray diffraction and polarised light microscopy etc,and thelow melting temperatures and low crystallinities for TPA/EG/PHB had beenfound in contrast to PET/PHB.

关 键 词：聚酯 液晶行为 共混 TPA EG PHB 

分 类 号：TQ323.4[化学工程—合成树脂塑料工业]