Microstructural analysis of poly(glycidyl methacrylate) by 1H and 13C NMR spectroscopy

被引：56
|
作者：
Espinosa, MH [1 ]
del Toro, PJO
Silva, DZ
机构：
[1] Ctr Nacl Invest Cient, Lab Polimeros, Havana 6880, Cuba
[2] Univ La Habana, Fac Quim, Dept Quim Fis, Havana 10400, Cuba
[3] Univ La Habana, Ctr Biomat, Havana 10400, Cuba
来源：
POLYMER | 2001年 / 42卷 / 08期
关键词：
C-13 NMR spectroscopy; microstructural analysis; acrylic homopolymers;
D O I：
10.1016/S0032-3861(00)00253-6
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The stereochemical configuration of poly(glycidyl methacrylate) has been analyzed by H-1 and C-13 NMR spectroscopy. Homopolymers prepared by free radical polymerization in solution and in bulk at 80 degreesC are predominantly syndiotactic and follow the Bernoullian distribution of tactic sequences with isotactic parameters, sigma (s) = 0.24 and sigma (b)= 0.27, very close to that of the free radical polymerization in solution of methyl methacrylate, sigma (s) = 0.23. This information is of primary importance for polymer characterization, but it also provides knowledge about the reaction mechanism. (C) 2001 Published by Elsevier Science Ltd.
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页码：3393 / 3397
页数：5
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