The present invention relates to a process for the production of polyether polyols by polyaddition of alkylene oxides onto starter compounds containing active hydrogen atoms conducted in the presence of a double-metal cyanide catalyst wherein a reaction mixture is guided at least once through a zone which has an energy density of at least 10<5 >J/m<3 >and wherein the residence time of the reaction mixture in this zone is at least 10<-6 >seconds per pass.
申请公布号
EP1368407(B1)
申请公布日期
2005.05.18
申请号
EP20020714155
申请日期
2002.02.11
申请人
BAYER MATERIALSCIENCE AG;BAYER CORPORATION
发明人
HOFMANN, JOERG;EHLERS, STEPHAN;KLINKSIEK, BERND;OBENDORF, LARS;STEINLEIN, CHRISTIAN;KLESCZEWSKI, BERT;PAZOS, JOSE, F.