C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 4/6592 (2006.01) C08F 4/02 (2006.01) C08F 4/646 (2006.01) C08F 4/649 (2006.01) C08F 10/00 (2006.01)
Patent
CA 2449133
Single-site catalyst systems useful for polymerizing olefins are disclosed. The catalyst systems comprise an organometallic complex and an activator. The complex includes a Group 3-10 transition metal, M, and at least one indenoindolyl ligand that is pi-bonded to M. The activator is a reaction product of an alkylaluminum compound and an organoboronic acid. Catalyst systems of the invention significantly outperform known catalyst systems that employ a metallocene complex and similar aluminoboronate activators.
L'invention concerne des systèmes de catalyseurs à site unique utilisés pour polymériser des oléfines. Ces systèmes de catalyseurs comprennent un complexe organométallique et un activateur. Ledit complexe comprend un métal de transition des groupes 3-10, M, et au moins un ligand d'indénoïndolyle rattaché à M par liaison pi. L'activateur est un produit de réaction d'un composé d'alkylaluminium et d'un acide organoboronique. Les systèmes de catalyseurs de l'invention surpassent de manière significative les systèmes de catalyseurs connus qui utilisent un complexe métallocène et des activateurs similaires d'aluminoboronate.
Lynch Michael W.
Meverden Craig C.
Nagy Sandor
Neal-Hawkins Karen L.
Equistar Chemicals Lp
Osler Hoskin & Harcourt Llp
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