ASSIGNMENT OF C-13 NUCLEAR-MAGNETIC-RESONANCE SPECTRA OF POLY(METHACRYLONITRILE)

被引：7
|
作者：
KAWAMURA, T
TOSHIMA, N
MATSUZAKI, K
机构：
[1] Department of Applied Chemistry, Faculty of Engineering, University of Tokyo, Tokyo, 113, Bunkyoku
来源：
MACROMOLECULAR CHEMISTRY AND PHYSICS | 1994年 / 195卷 / 10期
关键词：
D O I：
10.1002/macp.1994.021951005
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
C-13 Nuclear magnetic resonance (NMR) spectra of atactic and syndiotactic-rich poly(methacrylonitrile) (PMAN) were determined. In addition, 2D (H-1-C-13 COSY(b))) NMR spectra of alpha-methyl and methylene regions of atactic PMAN were measured. Values of tetrads and pentads were calculated from triads obtained from alpha-methyl carbon absorptions of the samples. By comparing calculated values with the observed ones, and by taking 2D NMR spectra into consideration, both alpha-methyl carbon and proton absorptions were assigned by pentads, and methylene carbon absorptions by tetrads (partly by hexads).
引用
收藏
页码：3343 / 3346
页数：4
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