Olefin oligomerization catalyst and process for the...

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B01J 31/28 (2006.01) B01J 31/12 (2006.01) B01J 31/14 (2006.01) B01J 31/24 (2006.01) C07C 2/30 (2006.01) C07C 2/34 (2006.01) C07C 2/36 (2006.01) C07C 11/02 (2006.01)

Patent

CA 2189149

An olefin oligomerization catalyst comprising a product of the reaction among (A) a nickel compound, (B) an organophosphorus compound, (C) an organoaluminum compound, and (D) a specific compound having a carbon-halogen linkage, a specific oxo-acid or its salt, a specific sulfonic acid or its salt, or a compound represented by any of the general formulae: QX4n, QRn, QR'n, QX4nR'm, QR1R'm, Q1(BR4)p and R"(BR4), wherein Q is an element selected from among Mg, Ti, Zr, B and Sn; Q1 is an element selected from among Li, Na, K, Ca and Zn; X4 is halogen or hydrogen; R is C1-C12 hydrocarbyl; R' is oxygenous C1-C12 hydrocarbyl; R" is C1-C20 hydrocarbyl or ammonium; n is the valency of Q; 1 and m are natural numbers satisfying the relationship: n = 1 + m; and p is the valency of Q1. This catalyst is useful in the preparation of .alpha.-olefin oligomers.

La présente invention concerne un catalyseur de l'oligomérisation des oléfines. Il comprend un produit de la réaction ayant lieu entre (A) un composé de nickel, (B) un composé organophosphoré, (C) un composé organoaluminé et (D) un composé spécifique ayant une liaison carbone-halogène, un oxo-acide spécifique ou son sel, un acide sulfonique spécifique ou son sel, ou un composé représenté par l'une quelconque des formules générales suivantes: QX?4¿¿n?, QR¿n?, QR'¿n?, QX?4¿¿n?R'¿m?, QR¿1?R'¿m?, Q?1¿(BR¿4?)¿p? et R"(BR¿4?), Q étant un élément choisi parmi les suivants: Mg, Ti, Zr, B et Sn; Q?1¿ est un élément choisi parmi les suivants: Li, Na, K, Ca et Zn; H?4¿ est halogène ou l'hydrogène; R est l'hydrocarbyle C¿1?-C¿12?; R' est l'hydrocarbyle C¿1?-C¿12? oxygéné; R" est l'hydrocarbyle C¿1?-C¿20? ou l'ammonium; n est la valence de Q; 1 et m sont des nombres naturels satisfaisant à la relation: n = 1 + m, et p est la valence de Q?1¿. Ce catalyseur est utile dans la préparation d'oligomères .alpha.-oléfines.

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