Process for the preparation of alumoxanes

C - Chemistry – Metallurgy – 07 – F

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402/648, 260/432

C07F 5/06 (2006.01) C08F 10/00 (2006.01) C08F 110/02 (2006.01) C08G 79/10 (2006.01)

Patent

CA 1258265

ABSTRACT OF THE DISCLOSURE A process for the preparation of hydrocarbylalumoxanes com- prising oligomeric, linear and/or cyclic hydrocarbylalumoxanes, which comprises contacting a hydrocarbylaluminum dissolved in an inert dry organic liquid with a hydrated salt of a metal which is Dot reduced during contact with the trihydrocarbylaluminum at temperatures between -30°C and 110°C. Alumoxanes are useful as catalyst components forpolymerization catalysts.

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