Ph2Zn-metallocene-MAO initiator systems in the homo- and copolymerization of styrene/p-alkylstyrene

被引：0
|
作者：
Mónica A. Pérez
Carlos J. Caro
Rodrigo A. Cancino
Franco M. Rabagliati
机构：
[1] Universidad de Santiago de Chile,Grupo Polímeros, Departamento de Ciencias del Ambiente, Facultad de Química y Biología
来源：
Polymer Bulletin | 2003年 / 51卷
关键词：
Polymer; Styrene; Copolymerization; Amorphous Polymer; Initiator System;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The homo- and copolymerization of styrene (S) with p-methylstyrene (p-MeS) and p-tert-butylstyrene (p-ButS) has been tested using initiator systems of the Ph2Zn-metallocene-MAO type. The metallocenes used were CpTiCl3, IndTiCI3, (n-BuCp)2TiCl2, Ind2ZrCl2 and Et(Ind)2ZrCl2. The Ph2Zn-metallocene-MAO systems homopolymerize styrene, p-methylstyrene and p-tert-butylstyrene, producing syndiotactic polymers in the case of the titanocenes and amorphous polymers in the case of the zirconocenes. The S/p-MeS and S/p-ButS copolymers obtained with the Ph2Zn-titanocene-MAO systems are enriched in the comonomer with respect to the initial feed.
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页码：199 / 208
页数：9
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