Organometallic VCl4-based catalyst supported on MgCl2(THF)(2) for ethylene polymerization

被引：13

作者：

Czaja, K

Bialek, M

Ochedzan, W

机构：

[1] University of Opole, Institute of Chemistry, 45-052 Opole

来源：

POLIMERY | 1997年 / 42卷 / 11-12期

关键词：

D O I：

10.14314/polimery.1997.714

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 Ziegler-Natta catalyst was obtained by milling VCl4 with the magnesium support in the form of the MgCl2(THF)(2) complex, followed by activation with an organoaluminum compound. This catalyst was employed in low-pressure polymerization of ethylene. The system was found to offer a very high activity and to polymerize ethylene at a rate of a few hundred kg PE/(g V . h) with the resulting molecular weight of the product very high. The kinetic investigation of the polymerization process revealed over 80% of the transition metal atoms to be involved in the forming catalytic active sites, undergoing virtually no deactivation over the period of time studied.

引用

页码：714 / 716

页数：3

共 10 条

[1] POLYMERIZATION OF ETHYLENE AT HIGH-TEMPERATURE BY VANADIUM-BASED HETEROGENEOUS ZIEGLER-NATTA CATALYSTS .2. STUDY OF THE ACTIVATION BY HALOCARBONS [J].