B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 31/16 (2006.01) B01J 31/18 (2006.01)
Patent
CA 2718804
The present invention relates to a catalyst for oligomerization of ethylene, comprising a functionalized solid support; a ligand immobilized on the solid support by chemical bonding, wherein the immobilized ligand has, the structure (R1)(R2)P--N(R3)-P(R4)-Y-support or (R1)(R2)P-N(R3)-P(R4)-N(R5)-P(R6)-Y- support, wherein R1, R2, R3, R4, R5 and R6 are independently selected from aliphatic group, aryl group, amino group and trimethylsilyl group and Y is the functional group of the support or a derivative thereof; and a chromium compound reacted with the ligand.; and to a method for its preparation and a process for oligomerization of ethylene utilizing the catalyst.
La présente invention porte sur un catalyseur d'oligomérisation de l'éthylène, comprenant un support solide fonctionnalisé; un ligand immobilisé sur le support solide par liaison chimique, le ligand immobilisé ayant la structure (R1)(R2)P-N(R3)-P(R4)-Y-support ou (R1)(R2)P-N(R3)-P(R4)-N(R5)-P(R6)-Y-support, où R1, R2, R3, R4, R5 et R6 sont indépendamment choisis parmi un groupe aliphatique, un groupe aryle, un groupe amino et un groupe triméthylsilyle et Y est le groupe fonctionnel du support ou un dérivé de celui-ci; et un composé du chrome ayant réagi avec le ligand. L'invention porte également sur un procédé de préparation du catalyseur et sur un procédé d'oligomérisation de l'éthylène utilisant le catalyseur.
Al-Hazmi Mohammed
Aliyev Vugar O.
Boelt Heinz
Fritz Peter M.
Hapke Marko
Linde Ag
Saudi Basic Industries Corporation
Shapiro Cohen
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