Process for the preparation of oligomeric aluminoxanes

Details Process for the preparation of oligomeric aluminoxanes Process for the preparation of oligomeric aluminoxanes

C - Chemistry, Metallurgy

07

F

260/432.3, 260/4

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

Patent

CA 1217777

Abstract of the disclosure: The present invention relates to a process for the preparation of oligomeric alkylaluminoxanes of the general formulae: Image for a linear aluminoxane and for a cyclic aluminoxane Image in which R = C1-C6-alkyl, preferably methyl, and n = 2-40, preferably 10-20, by reacting aluminum salts containing water of crystallization, preferably aluminum sulfate containing water of crystallization, with an aluminum trialkyl, preferably aluminum trimethyl. Aluminoxanes of this type can be used as a catalyst component in the pre- paration of high-activity, homogeneous Ziegler catalysts.

440182

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