C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 210/16 (2006.01) C08F 4/657 (2006.01)
Patent
CA 2531735
A method for preparing a supported organometallic complex is disclosed. An organometallic complex is combined with a support material that has been treated with an organozinc compound. The organometallic complex comprises a Group 3 to 10 transition metal and an indenoindolyl ligand that is bonded to the transition metal. Also disclosed is a process for polymerizing an olefin using the supported complex. Organozinc treatment of the support unexpectedly boosts catalyst activity and polyolefin molecular weight.
L'invention concerne un procédé pour préparer un complexe organométallique sur support. Un complexe organométallique est combiné à un matériau de support qui a été traité avec un composé organozinc. Le complexe organométallique comprend un métal de transition des groupes 3 à 10 et un ligand d'indéno-indolyle, qui est lié à un métal de transition. L'invention concerne aussi un procédé pour polymériser une oléfine au moyen d'un complexe de support. Etonnamment, un traitement organo-zinc du support favorise de façon explosive la capacité catalytique et le poids moléculaire des polyoléfines.
Equistar Chemicals Lp
Osler Hoskin & Harcourt Llp
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