END GROUP ANALYSIS OF POLYVINYL ALCOHOL BY HIGH RESOLUTION NMR SPECTRA.

被引：0
|
作者：
Amiya, Shigetoshi [1 ]
机构：
[1] Kuraray Co, Kurashiki, Jpn, Kuraray Co, Kurashiki, Jpn
来源：
Chemistry Express | 1986年 / 1卷 / 02期
关键词：
NUCLEAR MAGNETIC RESONANCE;
D O I：
暂无
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学科分类号：
摘要：
The structure of end groups in Poly(vinyl alcohol) was investigated by **1H-NMR spectroscopy. Among various kinds of end groups formed by chain transfer reactions to monomer and polymer, one of the end groups was found to exist in the gamma -lactone form under acidic condition, while in the carboxylic acid sodium salt form under the alkaline condition. No free carboxylic acid group was detected.
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页码：69 / 71
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