DETAILED MICROSTRUCTURAL ANALYSIS OF STYRENE METHACRYLONITRILE COPOLYMERS BY C-13 NMR-SPECTROSCOPY

被引：4
|
作者：
DHAL, PK [1 ]
STEIGEL, A [1 ]
机构：
[1] UNIV DUSSELDORF,INST ORGAN & MACROMOLEC CHEM,W-4000 DUSSELDORF 1,GERMANY
来源：
POLYMER | 1991年 / 32卷 / 04期
关键词：
STYRENE-METHACRYLONITRILE COPOLYMERS; C-13; NMR; MICROSTRUCTURAL ANALYSIS;
D O I：
10.1016/0032-3861(91)90486-3
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 microstructures of both random and alternating copolymers of styrene and methacrylonitrile were investigated by high field C-13 n.m.r. spectroscopy. N.m.r. analysis of random copolymers provided information pertaining to different modes of comonomer placements along the chain. Information about the stereochemical aspects of comonomer placements (co-tacticity) was derived from the spectra of alternating copolymers. These results provided valuable information regarding the chain microstructures and the copolymerization mechanism.
引用
收藏
页码：721 / 727
页数：7
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