B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
252/121, 260/711
B01J 31/16 (2006.01) B01J 31/18 (2006.01) C07C 2/32 (2006.01) C07C 2/36 (2006.01)
Patent
CA 2285376
According to the present invention, a catalyst is provided which is represented by the formula [RC(YR')2]2CrX, wherein R and R' are individually selected from the group consisting of carbyl and carbylsilyl groups; Y is N, C or P; and X is a halogen, halogen alkyl, Si, alkylsilyl or carbyl group. Also provided is a process for preparing the catalyst and an oligomerization process employing the catalyst. The process produces linear alpha-olefins with low amounts of polymer, vinylidine and isomerized olefins.
La présente invention concerne un catalyseur représenté par la formule [RC(YR')2]2CrX, dans laquelle R et R' sont individuellement choisis dans le groupe composé des groupes carbyle et carblysilyle; Y est N, C ou P; et X est un halogène, un alkyle halogène, Si, alkylsilyle, ou un groupe carbyle. L'invention concerne également un procédé de préparation dudit catalyseur, ainsi qu'un procédé d'oligomérisation utilisant ce catalyseur. Ce procédé permet de produire des alpha-oléfines linéaires à faible teneur en polymère, en vinylidène, et en oléfines isomérisées.
Baralt Eduardo J.
Carney Michael J.
Cole Jana B.
Chevron Chemical Company Llc
Sim & Mcburney
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