| abstract |
The present invention relates to a process for the production of polyether carbonate polyols from one or more H-functional starter substances, one or more alkylene oxides and carbon dioxide in the presence of at least one double metal cyanide (DMC) catalyst, where the double metal cyanide catalyst contains a complexing component selected from the group consisting of polycarbonatediol, polyether carbonate polyol, polyethylene glycol diol and poly(tetramethylene ether diol). |