Improved process for the polymerization of polar compounds

Details Improved process for the polymerization of polar compounds Improved process for the polymerization of polar compounds

C - Chemistry, Metallurgy

08

F

402/321, 402/357

C08F 4/00 (2006.01) C08F 4/42 (2006.01)

Patent

CA 2007929

IMPROVED PROCESS FOR THE POLYMERIZATION OF POLAR COMPOUNDS Abstract of the Disclosure The invention relates to an improved process for the polymerization of polar compounds which have a C=C double bond in the .alpha.-position to a carbonyl, nitrile, sulfone, phosphone or nitro group, such as, for example, acrylic acid derivatives, .alpha.-nitroolefins, vinyl sulfone derivatives and vinyl phosphonic acid esters. The quasi-ionic polymerization is initiated by organometallic compounds of silicon, german- ium and tin as initiators together with nucleophilic or electrophilic catalysts, and is carried out at temperatures in the range of from -100°C to +100°C, in which the initiators are selected from silanes, germanes, stannanes, siloxanes, germoxanes or stannoxanes having at least one metal-bonded allyl or propargyl group, which may be substituted by hydrocarbon groups, per metal atom.

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