Living metathesis polymerization of 1-chloro-2-phenylacetylene by MoOCl4-based catalysts

被引：0
|
作者：
Hayano, S [1 ]
Masuda, T [1 ]
机构：
[1] Kyoto Univ, Grad Sch Engn, Dept Polymer Chem, Kyoto 6068501, Japan
来源：
JOURNAL OF MACROMOLECULAR SCIENCE-PURE AND APPLIED CHEMISTRY | 2000年 / 37卷 / 08期
关键词：
living polymerization; metathesis polymerization; substituted acetylene; 1-chloro-2-phenylacetylene; transition metal catalyst;
D O I：
暂无
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The living polymerization of 1-chloro-2-phenylacetylene was accomplished by use of the MoOCl4-n-Bu4Sn-EtOH/anisole cata-lyst/solvent system. The polydispersity ratio of the produced poly(1-chloro-2-phenylacetylene) was as small as 1.1. Living polymerization was verified by the multi-stage polymerization and the monomer-conversion dependence of the molecular weight. Only n-Bu4Sn was effective as cocatalyst of the MoOCl4-based catalyst, and Et3Al, Et2Zn, and n-BuLi were not. Among 1-chloro-2-phenylacetylene analogues, only para-sub-stituted derivatives appeared to polymerize in a living fashion.
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页码：853 / 863
页数：11
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