POLYMERIZATION OF A STYRENE AND ETHYLENE MIXTURE WITH A TRICHLORO(2,6-DI-TERT-BUTYLPHENOXY)TITANIUM METHYLALUMINOXANE CATALYST SYSTEM

被引：51

作者：

AALTONEN, P

SEPPALA, J

MATILAINEN, L

LESKELA, M

机构：

[1] HELSINKI UNIV TECHNOL,DEPT CHEM ENGN,KEMISTINTIE 1,SF-02150 ESPOO,FINLAND

[2] UNIV HELSINKI,DEPT CHEM,SF-00014 HELSINKI,FINLAND

来源：

MACROMOLECULES | 1994年 / 27卷 / 12期

关键词：

D O I：

10.1021/ma00090a004

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A homogenous titanium halide catalyst containing one bulky phenoxy ligand was synthesized by the reaction of a lithium salt of 2,6-di-tert-butylphenol and TiCl4. The complex was tested, with methylaluminoxane as cocatalyst, in the copolymerization of ethylene and styrene. The reaction product was not a copolymer but a mixture of polyethylene and atactic polystyrene. The formation of two fractions may indicate the presence of several active species in the catalyst or a different polymerization mechanism for the two monomers.

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页码：3136 / 3138

页数：3

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