Double-metal cyanide catalysts for preparing polyether polyols

Details Double-metal cyanide catalysts for preparing polyether polyols Double-metal cyanide catalysts for preparing polyether polyols

C - Chemistry, Metallurgy

08

G

C08G 65/10 (2006.01) B01J 27/26 (2006.01) C08G 65/00 (2006.01) C08G 65/26 (2006.01) C08G 65/28 (2006.01)

Patent

CA 2383454

The invention is directed to a double-metal cyanide catalyst for the preparation of a polyether polyol by the polyaddition of an alkylene oxide on to a starter compound containing active hydrogen atoms, wherein the DMC catalyst comprises a) at least one double-metal cyanide compound; b) at least one organic complexing ligand which is not a polyether, a bile acid, a bile acid salt, a bile acid ester or a bile acid amide; c) at least one polyether; and d) at least one bile acid, bile acid salt, bile acid ester or bile acid amide. The catalyst of the present invention has increased activity in the preparation of a polyether polyol.

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