摘要 |
Preparation of one or more of polyether carbonate polyol from one or more hydrogen-functional initial substances, one or more alkylene oxides and carbon dioxide in the presence of a double metal cyanide (DMC) catalyst, is claimed, where the DMC catalyst comprises at least one complex forming components comprising polycarbonate diol, polyethercarbonate polyol, polyethylene glycoldiol or poly(tetramethylene etherdiol). |