Highly active double metal cyanide complex catalysts

Details Highly active double metal cyanide complex catalysts Highly active double metal cyanide complex catalysts

C - Chemistry, Metallurgy

08

G

C08G 65/12 (2006.01) B01J 27/26 (2006.01) C08G 65/26 (2006.01)

Patent

CA 2179946

Highly active double metal cyanide (DMC) complex catalysts and methods for making them are disclosed. The catalysts contain less than about 0.2 moles of metal salt per mole of DMC compound in the catalyst, and unlike other highly active DMC catalysts, are substantially crystalline. Polyether polyols made from the catalysts have low unsaturation and are useful for making many types of polyurethane products.

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