Polymerization of carbon monoxide copolymer using a...

Details Polymerization of carbon monoxide copolymer using a... Polymerization of carbon monoxide copolymer using a...

C - Chemistry, Metallurgy

07

F

260/446.1, 402/7

C07F 9/50 (2006.01) B01J 31/04 (2006.01) B01J 31/18 (2006.01) C07F 9/74 (2006.01) C08G 67/02 (2006.01)

Patent

CA 1332063

A B S T R A C T CATALYST COMPOSITIONS 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 6, and c) a compound of the general formula R1R2M1-R9-M2R3R4, wherein M1 and M2 represent similar or different elements chosen from the group made up of arsenic, antimony, phosphorus and nitrogen, wherein R1, R2, R3 and R4 represent similar of different hydrocarbon groups which may optionally be substituted with polar groups and wherein R9 is a bivalent bridging group containing successively in the bridge, a carbon atom, a silicon atom and a carbon atom, the silicon atom forming part of a -SiR7R8- group in which R7 and R8 are similar or different monovalent substituents exclusively comprising carbon, hydrogen and optionally oxygen.

572841

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