Zirconium alkoxide complexes as catalysts for ethylene polymerization

被引：16
|
作者：
Carone, C
de Lima, V
Albuquerque, F
Nunes, P
de Lemos, C
dos Santos, JHZ
Galland, GB
Stedile, FC
Einloft, S
Basso, NRD
机构：
[1] PUCRS, Fac Quim, Grp Organometal, BR-90619900 Porto Alegre, RS, Brazil
[2] Univ Fed Rio Grande Sul, Inst Quim, Lab Catalise Ziegler Natta, BR-91570970 Porto Alegre, RS, Brazil
来源：
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL | 2004年 / 208卷 / 1-2期
关键词：
zirconium alkoxide; polyethylene; polymerization; supported catalysts;
D O I：
10.1016/S1381-1169(03)00540-5
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The complexation of 2-hydroxy-1,4-naphtho-quinone and 3-hydroxy-2-methyl-4-pyrone with zirconium tetrachloride yielded complexes containing bidentate alkoxide ligands. In the presence of MAO or TIBA these complexes were found to be active for ethylene polymerization, producing polymers with high molecular weight. Both catalytic systems were also shown to be active when supported on silica or on MAO-modified silica. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码：285 / 290
页数：6
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