Catalyst compositions and process for the preparation of...

Details Catalyst compositions and process for the preparation of... Catalyst compositions and process for the preparation of...

C - Chemistry, Metallurgy

08

F

C08F 4/26 (2006.01) C08G 67/02 (2006.01)

Patent

CA 2057424

Catalyst compositions suitable for the preparation of polymers of carbon monoxide with one or more olefinically unsaturated compounds, based on a) a group VIII metal, b) an anion of an acid having a pK A of less than 2, c) a phosphorus bidentate ligand of the general formula (R3)(R4)P-R-P(R3)(R4) in which R3 and R4 represent identical or different optionally polar substituted hydrocarbyl groups and R is a divalent organic bridging group containing at least two carbon atoms in the bridge connecting the two phosphorus atoms, and d) an acid having a pK A of at least 4 but less than 6.

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