Ethylene polymerization by Phenyl sulfide bridged dinuclear zirconocene complex/MAO

被引：0
作者：
Nie, Yujing [1 ]
Yang, Ming [1 ]
机构：
[1] Hubei Univ Automot Technol, Dept Mat Engn, Hubei Shiyan 442002, Peoples R China
来源：
ADVANCED MATERIALS SCIENCE AND TECHNOLOGY, PTS 1-2 | 2011年 / 181-182卷
关键词：
binuclear; zirconocene catalyst; polymerization; polyethylene; CATALYSTS; SYSTEMS;
D O I：
10.4028/www.scientific.net/AMR.181-182.809
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The phenyl sulfide bridged Zirconocene complex [(C5H5)Cl2ZrC5H4CH2(C6H4-P)](2)S has been synthesized by treating the dilithium salts of the phenyl sulfide bridged cyclopentadienyl ligand with two equivalents of C5H5ZrCl3(DME) and characterized by (HMNR)-H-1 and elemental analysis. Homogenous ethylene polymerization by this complex has been conducted systematically in the presence of methylaluminoxane (MAO). The influence of the molar ratio [MAO]/[Cat], the catalyst concentration, time and temperature have been studied in detail. The highest catalytic activity of 1 is up to 13.78x10(5) g PE/mol.Cat.h. Higher temperature is favorable for increasing the catalytic activity for 1. High temperature gel permeation chromatography (HT-GPC) proves the production of polyethylene with a broad molecular weight distribution (MWD), which is reached 6.02.
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页码：809 / 813
页数：5
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