Process for the preparation of metallocene catalyst systems on i

Details Process for the preparation of metallocene catalyst systems on i Process for the preparation of metallocene catalyst systems on i

1996-08-22

2000-09-26

Bell, Mark L.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Plural component system comprising a - group i to iv metal...

502103, 502104, 502108, 502107, 502111, 502117, 502523, B01J 3100, B01J 3700, C08F 402, C08F 460

Patent

active

061242292

ABSTRACT:
Disclosed is a process for preparing a supported metallocene catalyst by introducing, in a first stage, a gas stream comprising an organoaluminum compound, an inert support material and water, into a first gas phase reactor; allowing the mixture to react under conditions effective to form an aluminoxane supported on said inert support material; metering a second gas stream comprising a metallocene into said gas phase reactor; allowing said mixture to react under conditions effective to form a supported metallocene catalyst; and drying, in a second stage, said supported metallocene catalyst, wherein said drying is carried out in a gas phase reactor. An alternative process comprises introducing, in a first stage, a gas stream comprising an organoaluminum compound, an inert support material, a metallocene and water, into a first gas phase reactor; allowing the mixture to react under conditions effective to form an aluminoxane supported with said metallocene on said inert support material; and drying, in a second stage, said supported metallocene catalyst, wherein said drying is carried out in a gas phase reactor.

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