Modified (mao + aluminum alkyl) activator

Details Modified (mao + aluminum alkyl) activator Modified (mao + aluminum alkyl) activator

C - Chemistry, Metallurgy

08

F

C08F 4/14 (2006.01) C08F 2/38 (2006.01) C08F 4/64 (2006.01) C08F 10/00 (2006.01)

Patent

CA 2503461

A cocatalyst system for olefin polymerization comprises an aluminoxane (especially methylaluminoxane, or "MAO"), an aluminum alkyl and a halogenated phenol. The preferred halogenated phenol is pentafluorophenol. The use of pentafluorophenol permits the substitution of a portion of the MAO cocatalyst (which is expensive) with inexpensive aluminum alkyl. The cocatalyst is most preferably employed in combination with an organometallic catalyst having at lease one pi ligand.

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