Double metal cyanide catalysts for the preparation of...

Details Double metal cyanide catalysts for the preparation of... Double metal cyanide catalysts for the preparation of...

C - Chemistry, Metallurgy

07

F

C07F 15/00 (2006.01) B01J 27/26 (2006.01) B01J 31/22 (2006.01) C07C 41/03 (2006.01) C07C 43/11 (2006.01) C07C 43/23 (2006.01) C07F 11/00 (2006.01) C07F 15/06 (2006.01) C07H 15/08 (2006.01) C08G 65/10 (2006.01) C08G 65/26 (2006.01) C08G 65/28 (2006.01) C08G 65/34 (2006.01)

Patent

CA 2302984

This invention relates to new double metal cyanide (DMC) catalysts, a process for the preparation of these DMC catalysts, and to a process for the production of polyether polyols by the polyaddition of alkylene oxides to starter compounds which comprise active hydrogen atoms, wherein the catalyst comprises a) one or more double metal cyanide compounds, b) one or more organic complexing ligands, and c) one or more organic phosphates, organic phosphites, organic phosphonates, organic phosphonites, organic phosphinates or organic phosphinites. The catalysts according to the invention exhibit a considerably increased activity for polyether polyol production.

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