Syndiospecific copolymerization of styrene with styrene terminated isoprene macromonomer by CpTiCl3-methylaluminoxane catalyst

被引：31
|
作者：
Endo, K [1 ]
Senoo, K [1 ]
机构：
[1] Osaka City Univ, Fac Engn, Dept Appl Chem, Sumiyoshi Ku, Osaka 5588585, Japan
来源：
MACROMOLECULAR RAPID COMMUNICATIONS | 1998年 / 19卷 / 11期
关键词：
D O I：
10.1002/marc.1998.030191105
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Copolymerization of styrene with styrene terminated polyisoprene macromonomer (SIPM) by CpTiCl3-methylaluminoxane (MAO) catalyst has been investigated (Cp: cyclopentadienyl). SIPM was prepared by reaction of living polyisoprene initiated with sec-butyllithium (s-BuLi) and p-chloromethylstyrene. The synthesized macromonomer has a high terminal degree of functionalization and a narrow molecular weight distribution. Graft copolymers of polystyrene-graft-polyisoprene have been synthesized with the CpTiCl3-MAO catalyst. The synthesized graft copolymer was confirmed to have a highly syndiotactic sequence on the main chain.
引用
收藏
页码：563 / 566
页数：4
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