Olefin polymerization catalyst system

Details Olefin polymerization catalyst system Olefin polymerization catalyst system

C - Chemistry, Metallurgy

08

F

C08F 10/02 (2006.01) C08F 4/64 (2006.01) C08F 4/642 (2006.01) C08F 110/02 (2006.01) C08F 4/6592 (2006.01)

Patent

CA 2405241

A catalyst system comprises 1) a group 4 organometallic catalyst and 2) an activator comprising a solid zirconium acid component and a metal alkyl. The catalyst system is inexpensive and is highly active for the polymerization of olefins. Preferred organometallic catalysts contain a cyclopentadienyl ligand, a phosphinimine ligand and or a ketimide ligand.

Système catalytique composé 1) d'un groupe de 4 catalyseurs organométalliques et 2) d'un activateur constitué d'un acide de zirconium solide et d'un alkyle de métal. Ce système catalytique n'est pas coûteux et il est hautement actif pour la polymérisation des oléfines. Les catalyseurs organométalliques privilégiés contiennent un ligand cyclopentadiényle, un ligand phosphinimine et/ou un ligand cétimide.

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