Nickel-containing ethylene oligomerization catalyst and use...

Details Nickel-containing ethylene oligomerization catalyst and use... Nickel-containing ethylene oligomerization catalyst and use...

B - Operations, Transporting

01

J

B01J 31/24 (2006.01) C07C 2/36 (2006.01) B01J 23/755 (2006.01)

Patent

CA 2443707

A process for the oligomerization of ethylene to a mixture of olefinic products having high linearity is provided, by using a catalyst comprising a reaction product of a simple divalent nickel salt; a boron hydride reducing agent; a water soluble base; a ligand selected from an o- dihydrocarbylphosphinobenzoic acid and alkali metal salt thereof; and, a phosphite.

L'invention concerne un procédé d'oligomérisation de l'éthylène en un mélange de produits oléfiniques à linéarité élevée. Ce procédé fait appel à un catalyseur comprenant un produit de réaction d'un sel de nickel divalent simple, un agent réducteur d'hydrure de bore, une base hydrosoluble, un ligand sélectionné à partir d'un acide o-dihydrocarbylphosphinobenzoïque et de son sel métallique alcalin, et un phosphite.

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