Supported catalyst comprising expanded anions

Details Supported catalyst comprising expanded anions Supported catalyst comprising expanded anions

C - Chemistry, Metallurgy

08

F

C08F 10/00 (2006.01) C08F 2/34 (2006.01) C08F 4/645 (2006.01) C08F 4/659 (2006.01) C08F 4/6592 (2006.01) C08F 10/02 (2006.01) C08F 110/02 (2006.01) C08F 110/06 (2006.01) C08F 210/16 (2006.01)

Patent

CA 2385568

A composition useful as an addition polymerization catalyst comprising: (a) an inert support; (b) a Group 3-10 or Lanthanide metal complex; and (c) an activator compound capable of causing the metal complex B to form an active polymerization catalyst, said compound corresponding to the formula (I): (A*+a)b(Z*J*j)-cd, wherein A* is a cation of charge +a, Z* is an anion group of from 1 to 50, preferably 1 to 30 atoms, not counting hydrogen atoms, further containing two or more Lewis base sites; J* independently each occurrence is a Lewis acid coordinated to at least one Lewis base site of Z*, and optionally two or more such J* groups may be joined together in a moiety having multiple Lewis acidic functionality, j is a number from 2 to 12 and a, b, c, and d are integers from 1 to 3, with the proviso that a x b is equal to c x d.

L'invention concerne une composition utilisée comme catalyseur de polymérisation par addition comprenant (a) un support inerte; (b) un complexe métallique du groupe 3-10 ou lanthanide; et (c) un composé activateur permettant au complexe métallique B de former un catalyseur de polymérisation actif, ledit composé correspondant à la formule (I): (A?*+a¿)¿b?(Z*J*¿j?)?-c¿¿d?, dans laquelle A* est un cation de charge +a; Z* est un groupe d'anions de 1 à 50 atomes et, de préférence, de 1 à 30 atomes, sans compter les atomes d'hydrogène, et contient également deux ou plusieurs sites de base de Lewis; J* indépendamment de chaque occurrence est un acide de Lewis coordiné à au moins un site de base de Lewis de Z*, deux ou plusieurs groupes J* de ce type pouvant être éventuellement unis dans un fragment à multiple fonctionnalité acidique de Lewis; j est un nombre de 2 à 12; et a, b, c, et d sont des nombres entiers de 1 à 3, à condition que a x b soit égal à c x d.

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