Ethylene tetramerization catalyst systems and method for...

Details Ethylene tetramerization catalyst systems and method for... Ethylene tetramerization catalyst systems and method for...

B - Operations, Transporting

01

J

B01J 31/26 (2006.01)

Patent

CA 2675829

Disclosed herein is a method of preparing 1-octene at high activity and high selectivity while stably maintaining reaction activity by tetramerizing ethylene using a chromium-based catalyst system comprising a transition metal or a transition metal precursor, a cocatalyst, and a P-C-C-P backbone structure ligand represented by (R1)(R2)P-(R5)CHCH(R6)-P(R3)(R4).

La présente invention concerne un procédé de préparation de 1-octène avec une activité importante et une sélectivité élevée, tout en maintenant stable l'activité réactionnelle par tétramérisation d'éthylène au moyen d'un système catalytique à base de chrome comprenant un métal de transition ou un précurseur de métal de transition, un cocatalyseur et un ligand de structure de chaîne principale P-C-C-P représenté par la formule (R1)(R2)P-(R5)CHCH(R6)-P(R3)(R4).

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