B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 31/04 (2006.01) B01J 31/12 (2006.01) B01J 31/14 (2006.01) C07C 2/20 (2006.01)
Patent
CA 2707122
Catalyst composition for the oligomerization of ethylene, comprising (i) an at least partially hydrolyzed transition metal compound, obtainable by controlled addition of water to a transition metal compound having the general formula MX m (OR')4-m or MX m(OOCR')4-m, wherein R' is an alkyl, alkenyl, aryl, aralkyl or cycloalkyl group, X is halogen, preferably Cl or Br, and m is from 0 to 4; preferably 0-3; and (ii) an organoaluminum compound as a cocatalyst, wherein the molar ratio of water and transition metal compound is within a range of between about (0.01-3): 1; a process for oligomerization of ethylene and a method for preparing the catalyst composition.
La composition de catalyseur pour l'oligomérisation de l'éthylène ci-décrite comprend (i) au moins un composé métal de transition partiellement hydrolysé, pouvant être obtenu par ajout contrôlé d'eau à un composé métal de transition de formule générale MXm(OR')4-m ou MXm(OOCR')4-m, R' étant un groupe alkyle, alcényle, aryle, aralkyle ou cycloalkyle, X, un atome d'halogène, de préférence, Cl ou Br, et m valant de 0 à 4, de préférence, de 0 à 3 ; et (ii) un composé organoalumnique à titre de co-catalyseur. Le rapport molaire entre l'eau et le composé métal de transition est dans une plage d'environ (0,01-3):1. L'invention concerne également un procédé pour l'oligomérisation de l'éthylène et un procédé pour préparer la composition de catalyseur.
Al-Hazmi Mohammed
Aliyev Vugar
Mosa Fuad
Linde Ag
Saudi Basic Industries Corporation
Shapiro Cohen
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