主权项 |
1. A method for producing a polyether monol or polyether polyol product, comprising polymerizing at least one alkylene oxide in the presence of a double metal cyanide catalyst complex and at least one magnesium, gallium or indium compound not present during the preparation of the double metal cyanide catalyst complex in which magnesium, gallium or indium is bonded to at least one alkoxide, aryloxy, carboxylate, acyl, pyrophosphate, phosphate, thiophosphate, dithiophosphate, phosphate ester, thiophosphate ester, amide, siloxide, hydride, carbamate or hydrocarbon anion, and wherein the magnesium, gallium or indium compound is devoid of halide anions. |