期刊
POLYMER INTERNATIONAL
卷 54, 期 9, 页码 1326-1329出版社
WILEY
DOI: 10.1002/pi.1851
关键词
zirconocene; olefin polymerization; slurry polymerization; silica-supported metallocene; fouling
The commercial interest of metallocene complexes for olefin polymerization has led to additional efforts to prepare suitable metallocene complexes efficiently and economically. Ethylene polymerization was carried out with a series of heterogeneous catalysts which were prepared in various Zr/silica ratios by immobilization of Ind(2)ZrCl(2) preactivated with methylaluminoxane (NIAO) on silica. This method to form the catalyst system resulted in a polymerization catalyst with reduced fouling tendencies and improved reactor operability. Polymerization of ethylene was conducted in Buchi reactors in a slurry phase under mild pressure. Some of the physical properties of the obtained polymers were also determined. (c) 2005 Society of Chemical Industry.
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