A H-1 AND C-13 NMR-STUDY OF THE PRODUCTS FROM DIRECT POLYESTERIFICATION OF ETHYLENE-GLYCOL AND TEREPHTHALIC ACID

被引：26
|
作者：
PETIAUD, R [1 ]
WATON, H [1 ]
PHAM, QT [1 ]
机构：
[1] SERV CENT ANAL,CNRS,BP 22,F-69390 VERNAISON,FRANCE
来源：
POLYMER | 1992年 / 33卷 / 15期
关键词：
POLYESTERIFICATION; POLY(ETHYLENE TEREPHTHALATE); MICROSTRUCTURE; H-1 AND C-13 NMR;
D O I：
10.1016/0032-3861(92)90228-O
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Low molecular weight samples of poly(ethylene terephthalate), obtained by direct bulk polyesterification of terephthalic acid and ethylene glycol, were studied by H-1 and C-13 n.m.r. It was possible to determine degrees of conversions of acid and alcohol groups, distributions of free, monoesterified and diesterified terephthalic acid and ethylene glycol and to identify the dimer, trimer and tetramer. Side reactions were also studied.
引用
收藏
页码：3155 / 3161
页数：7
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