C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 110/02 (2006.01) C08F 4/642 (2006.01)
Patent
CA 2523247
A catalyst system useful for polymerizing olefins is disclosed. The catalyst system includes an organometallic complex that incorporates a Group 3 to 10 transition metal and a hydroxyl-depleted calixarene ligand that is chelated to the metal. Molecular modeling studies reveal that organometallic complexes incorporating such calixarene ligands, when combined with an activator such as MAO, should actively polymerize olefins.
La présente invention a trait à un système de catalyseur utile pour la polymérisation d'oléfines. Le système de catalyseur comporte un complexe organométallique incorporant un métal de transition de groupes 3 à 10 et un ligand de calixarène appauvris en hydroxyle qui est chélaté au métal. Des études de modélisation moléculaire révèlent que des complexes organométalliques incorporant de tels ligands de calixarènes, lorsqu'ils sont combinés avec un activateur tels que le l'alumoxane de méthyle, devraient assurer une polymérisation active d'oléfines.
Equistar Chemicals Lp
Osler Hoskin & Harcourt Llp
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