Binary cocatalyst compositions for activating heterogeneous poly

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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502116, 526118, 526128, C08F 464

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active

055500943

ABSTRACT:
A catalyst composition for copolymerizing ethylene with alpha-olefins is prepared by supporting a magnesium compound and a titanium compound on a solid, inert porous carrier, and activating the precursor with a mixture of dimethylaluminum chloride and a trialkylaluminum compound. Products with a bimodal molecular weight distribution are produced which are free of alpha-olefin oligomers.

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patent: 4888318 (1989-12-01), Allen et al.
patent: 5118648 (1992-06-01), Furtek et al.
patent: 5258345 (1993-11-01), Kissin et al.

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