Chromium imine and amine complexes as homogeneous catalysts for the trimerisation and polymerisation of ethylene

被引:68
作者
Bluhm, ME [1 ]
Walter, O [1 ]
Döring, M [1 ]
机构
[1] Forschungszentrum Karlsruhe, Inst Tech Chem, CPV, D-76021 Karlsruhe, Germany
关键词
trimerisation; polymerisation; single-site catalysts; ethylene; chromium;
D O I
10.1016/j.jorganchem.2004.09.080
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Cr(III) complexes of tridendate imine and amine ligands with N, P, O, S donor atoms 1 and 2 have been prepared and tested as catalysts in the oligomerisation and polymerisation of ethylene giving excellent selectivity towards 1-hexene and polymerisation to polyethylene when activated with cocatalysts. X-ray structure analyses of the precatalysts 1a-c, 1i, and 2b are investigated. The metal-ligand binding in 1a and 1b is nearly the same, which leads to similar catalytic activities of these precatalysts. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码:713 / 721
页数:9
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