Polymerization processes for olefins

Details Polymerization processes for olefins Polymerization processes for olefins

C - Chemistry, Metallurgy

07

F

C07F 15/04 (2006.01) C07C 251/20 (2006.01) C08F 4/70 (2006.01) C08F 10/00 (2006.01) C08F 32/08 (2006.01)

Patent

CA 2259582

Certain olefins such as ethylene, .alpha.-olefins and cyclopentene can be polymerized by using catalyst system containing a nickel or palladium .alpha.- diimine complex, a metal containing hydrocarbylation compound, and a selected Lewis acid, or catalyst system containing certain nickel[II] or palladium[II] compounds, an .alpha.-diimine, a metal containing hydrocarbylation compound, and optimally a selected Lewis acid. The process advantageously produces polyolefins useful for molding resins, films, elastomers and other uses.

On peut polymériser certaines oléfines, comme l'éthylène, des .alpha.-oléfines et le cyclopentène, en utilisant un système de catalyseur contenant un complexe de nickel ou d'.alpha.-diimine de palladium, un métal comportant un composé d'hydrocarbylation, ainsi qu'un acide de Lewis choisi, ou un système de catalyseur contenant certains composés nickel (II) ou palladium (II), une .alpha.-diimine, un composé d'hydrocarbylation comportant un métal et éventuellement un acide de Lewis choisi. Grâce à ce procédé, on produit avantageusement des polyoléfines utiles pour des résines de moulage, des films, des élastomères et d'autres utilisations.

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