MECHANISM OF ANIONIC-POLYMERIZATION OF PHENYLACETYLENE

被引：4
|
作者：
KOBRYANSKII, VM
机构：
[1] Institute of Chemical Physics, Russia Academy of Science, Moscow, 117977, Kosygin St
来源：
JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY | 1992年 / 30卷 / 09期
关键词：
POLYPHENYLACETYLENE; ANIONIC POLYMERIZATION; ESR; IONIC POLYMERIZATION;
D O I：
10.1002/pola.1992.080300916
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Anionic polymerization of phenylacetylene in the presence of butyllithium has been studied. It was shown that the process of polymerization is accompanied by the appearance and growth of the ESR signal with pronounced superfine structure. The model of polymerization was suggested according to which formation of low molecular polyphenylacetylene is caused the destruction of the active centers by means of electron transfer from the active center to the conjugated chain. This type of electron transfer may also be the fundamental reaction limiting the chain length in cationic polymerization of acetylene monomers.
引用
收藏
页码：1935 / 1939
页数：5
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