MISCIBILITY OF POLY(VINYL ALCOHOL) POLY(METHACRYLIC ACID) AND POLY(VINYL ALCOHOL) POLY(ACRYLIC ACID) SYSTEMS .1. HIGH-RESOLUTION NMR-STUDIES IN SOLUTION

被引：30
|
作者：
ZHANG, XQ [1 ]
TAKEGOSHI, K [1 ]
HIKICHI, K [1 ]
机构：
[1] HOKKAIDO UNIV,FAC SCI,DEPT POLYMER SCI,SAPPORO,HOKKAIDO 060,JAPAN
来源：
POLYMER JOURNAL | 1991年 / 23卷 / 02期
关键词：
POLY(VINYL ALCOHOL); POLY(METHACRYLIC ACID); POLY(ACRYLIC ACID); HIGH-RESOLUTION NMR; NUCLEAR OVERHAUSER EFFECT; POLYMER BLENDS; POLYMER COMPLEXES; MISCIBILITY; HYDROGEN-BONDING INTERACTION; PROTON CHEMICAL EXCHANGE;
D O I：
10.1295/polymj.23.79
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 in two-component polymer systems of poly(vinyl) alcohol)/poly(methacrylic acid) (PVA/PMAA) and poly(vinyl alcohol)/poly(acrylic acid) (PVA/PAA) in dimethylsulfoxide (DMSO) solution was examined by high-resolution NMR. Intermolecular NOE was observed between PVA and PMAA or PAA. The results indicate that the PVA and PMAA or PAA are intimately mixed on a scale less than 4-angstrom. The chemical shifts of COOH resonances of PMAA and PAA and the OH resonance of PVA suggest the existence of hydrogen-bonding interaction between the two different polymers.
引用
收藏
页码：79 / 86
页数：8
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