APPLICATION OF A 2-DIMENSIONAL H-1-C-13 HETERONUCLEAR CORRELATION EXPERIMENT IN SOLIDS TO POLYMER BLENDS

被引：2

作者：

TAKEGOSHI, K ^{[1
]}

HIKICHI, K ^{[1
]}

机构：

[1] HOKKAIDO UNIV,GRAD SCH SCI,DIV BIOL SCI,STRUCT BIO MACROMOLEC SCI SECT,SAPPORO,HOKKAIDO 060,JAPAN

来源：

POLYMER JOURNAL | 1994年 / 26卷 / 12期

关键词：

POLYMER BLEND; SOLID-STATE NMR; MISCIBILITY; 2-DIMENSIONAL NMR; HYDROGEN BONDING;

D O I：

10.1295/polymj.26.1377

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Miscibility and inter-polymer hydrogen bonding of poly(methyl acrylate)/poly(vinyl phenol)(PMA/PVPh) blend are studied by a two-dimensional H-1-C-13 heteronuclear correlation experiment in solids. For a short spin-diffusion time of 0.2ms, there are no apparent correlation peaks between the different polymers. After a long spin-diffusion time of 1ms, there appears a correlation peak between the aromatic protons of PVPh and the carbonyl carbon of PMA. The inter-polymer correlation peak is a clear evidence of miscibility on a molecular level and is consistent with the existence of an inter-polymer hydrogen bonding.

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页码：1377 / 1380

页数：4

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