崔晶,王朝生,王华平,陈颖,张玉梅
CUI Jing1, WANG Chao-sheng1, WANG Hua-ping1, CHEN yin2, ZHANG Yu-mei1 (1. Department of Polymer Material and Engineering

• 1:东华大学材料学院纤维材料改性国家重点实验室
• 2:东华大学材料学院纤维材料改性国家重点实验室
• 3:东华大学材料学院纤维材料改性国家重点实验室
• 4:中国石油辽阳石化分公司

摘要(Abstract)：

采用TPA生产路线合成一系列PET/PTT共聚物,发现在不改变其他条件的情况下,改变单体配比,所获得的共聚物特性黏度值都在0.6dL/g以上。对共聚物进行核磁共振测试来表征其序列结构,发现1H-NMR和13C-NMR所测试的结论一致,所得共聚酯无规度值均接近1,表明所得共聚酯均接近无规共聚物。
The PET/PTT copolyesters with different EG/PDO molar ratios were synthesized by TPA- route. It showed that the intrinsic viscosities of all the copolyesters made in the similar conditions were more than 0.6 dL/g. The triad sequence structures of PET/PTT copolyesters were characterized by 13C-NMR and 1H-NMR. The sequence distribution from 13C-NMR was consistent with that from 1H-NMR. The degree of randomness B of all the copolyesters reached to 1, which indicated the copolyesters were random copolymers.

关键词(KeyWords)： PET/PTT共聚物;序列结构;核磁共振;无规度
PET/PTT copolymer, triad sequence structure, MMR, degree of random

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 崔晶,王朝生,王华平,陈颖,张玉梅
CUI Jing1, WANG Chao-sheng1, WANG Hua-ping1, CHEN yin2, ZHANG Yu-mei1 (1. Department of Polymer Material and Engineering

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