C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 4/642 (2006.01) C08F 210/16 (2006.01) C08F 4/659 (2006.01) C08F 110/02 (2006.01)
Patent
CA 2500203
An olefin polymerization process is disclosed. The process comprises polymerizing olefins in the presence of a supported indenoindolyl catalyst system and an organoboron or organoaluminum-treated solid. The supported indenoindolyl catalyst system comprises a support, an organometallic complex comprising a Group 3 to 10 transition or lanthanide metal, M, and at least one indenoindolyl ligand that is .pi.-bonded to M, and an activator. Performing the process in the presence of the organoboron or organoaluminum-treated solid surprisingly leads to an increased activity compared to polymerization processes performed without the treated solid.
L'invention porte sur un procédé de polymérisation d'oléfines utilisant un système de catalyseur d'indénoindolyle sur support, et un solide traité par un organobore ou un organoaluminium. Ledit système comporte un support, un complexe organométallique comprenant un métal de transition du groupe 3 à 10 ou un lanthanide (M), au moins un ligand d'indénoindolyle lié par une liaison .pi. à M, et un activateur. De manière surprenante, l'exécution du procédé en présence du susdit solide traité accroît l'activité par comparaison à une polymérisation en étant exempte.
Equistar Chemicals Lp
Osler Hoskin & Harcourt Llp
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