Catalyst for .alpha.E --olefin polymerization containing a Lewis

Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Plural component system comprising a - group i to iv metal...

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502121, 502122, 502123, 502124, 502125, 502126, 502127, 502132, 526160, 526943, B01J 3100, B01J 3700, C08F 402, C08F 460

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058175903

ABSTRACT:
A catalyst for olefin polymerization is provided which comprises, as the components, a) a metallocene compound, b) an ionizing ionic compound, c) an organoaluminum compound, and d) a Lewis base compound. This catalyst has a stable active species and improves productivity of an olefin polymer without deterioration of the catalytic activity the metallocene is represented by General Formula (1) or (2) where Cp-containing ligands may be Cp, fluorenyl, indenyl or tetrahydroindenyl and where the metal is a group 4 metal of the periodic table.

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patent: 5693836 (1997-12-01), Winter et al.

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