Catalyst compositions and olefin/co copolymerization process

Details Catalyst compositions and olefin/co copolymerization process Catalyst compositions and olefin/co copolymerization process

C - Chemistry, Metallurgy

07

F

252/65, 252/91,

C07F 9/50 (2006.01) B01J 31/28 (2006.01) C08F 4/80 (2006.01) C08F 16/36 (2006.01) C08G 67/02 (2006.01)

Patent

CA 1333810

Novel catalyst compositions, characterized in that they are based upon a) a palladium compound, b) an anion of an acid with a pKa of less than 2, with the proviso that the acid is not a hydrohalogenic acid, c) a bisphosphine of the general formula R1R2P-R-PR3R4, wherein R1-R4 are similar or dissimilar hydrocarbyl groups which may or may not be substituted with polar groups, with the proviso that at least one of the groups R1-R4 represents a polarly substituted aryl group containing at least one polar sub- stituent in a position ortho to phosphorus, and wherein R represents a bivalent organic bridging group containing at least two carbon atoms in the bridge, and d) optionally, a quinone.

537047

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