发明授权
US09315622B2 Process for the production of polyether carbonate polyols 有权
生产聚醚碳酸酯多元醇的方法

Process for the production of polyether carbonate polyols
摘要:
The present invention relates to a method for producing 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, wherein the double metal cyanide catalyst comprises a complex-forming component selected from the group consisting of polycarbonate diol, polyether carbonate polyol, polyethylene glycol diol and poly(tetramethylene ether diol).
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