Bimetallic metallocene alumoxane catalyst system and its use in

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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502117, 526160, 556 11, 556 53, B01J 3100

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active

053729803

ABSTRACT:
A catalyst system comprising certain bimetallic metallocenes and an alumoxane is provided together with a process for the preparation of high molecular weight ethylene-alpha olefin elastomers and ethylene-alpha-olefin nonconjugated diolefin elastomers wherein the requisite monomers are polymerized in the presence of the bimetallic metallocene/alumoxane catalyst system.

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