Catalyst system for the preparation of a rubbery copolymer

Details Catalyst system for the preparation of a rubbery copolymer Catalyst system for the preparation of a rubbery copolymer

1998-02-18

2000-11-21

Wu, David W.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526165, 5261692, C08F 452

Patent

active

061504831

ABSTRACT:
The invention relates to a catalyst system and a process suited for the preparation of a rubbery copolymer of ethylene, one or more .alpha.-olefins and optionally one or more polyunsaturated compounds, in which the catalyst system comprises a vanadium compound, an organometal compound and optionally a promoter, characterized in that the organometal complex in the catalyst system is an imido complex that satisfies the general formula

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