Method for preparing metallocene catalyst systems

Details Method for preparing metallocene catalyst systems Method for preparing metallocene catalyst systems

1995-07-28

1997-06-03

Nagumo, Mark

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

Catalyst or precursor therefor

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

502103, 502117, 502108, 526127, 526160, 526943, C08F 64642

Patent

active

056354371

ABSTRACT:
This invention is generally directed toward a method for producing metallocene catalyst systems. Specifically, the method involves removing solid impurities from a solution of activated metallocene wherein activation has the effect of solubilizing the metallocene but not the impurities. The resulting catalyst system is higher in activity and produces polymer having excellent particle morphology with little or no reactor fouling.

REFERENCES:
patent: 5145819 (1992-09-01), Winter et al.
patent: 5198401 (1993-03-01), Turner et al.
patent: 5235081 (1993-08-01), Sangokoya
patent: 5248801 (1993-09-01), Sangokoya
patent: 5427992 (1995-06-01), Graefe et al.

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