Catalyst compositions suitable for the preparation of...

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C - Chemistry, Metallurgy

08

F

C08F 4/80 (2006.01) C08G 67/02 (2006.01)

Patent

CA 2075245

T 1792 A B S T R A C T CATALYST COMPOSITIONS SUITABLE FOR THE PREPARATION OF POLYMERS OF CARBON MONOXIDE AND .alpha.-OLEFINS Catalyst compositions based upon: a) a Group VIII metal, b) an acid with a pKa of less than 2 in a quantity of more than 5 mol per gram atom Group VIII metal, and c) a phosphorus bidentate ligand of the general formula R5R6P-R-PR7R8 in which R5 to R8 represent identical or different, optionally polar substituted hydrocarbyl groups containing a carbon atom which carbon atom carries at most one hydrogen atom and is linked to the corresponding phosphorus atom via a methylene bridge, and in which R is a divalent organic bridging group containing at least two carbon atoms in the bridge connecting the two phosphorus atoms, and a process for the preparation of polymers of carbon monoxide with ethene and optionally also with one or more .alpha.-olefins by contacting the monomers with the catalyst composition. C14/T1792FF

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