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

页码：721 / 727

页数：7

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