The present invention relates to a process for the production of a polyether polyol by polyaddition of an alkylene oxide onto a starter compound containing active hydrogen atoms conducted in the presence of a double metal cyanide catalyst comprising conducting a reaction mixture at least once through a zone which has an energy density of at least 5x10<6 >J/m<3>, wherein the dwell time of the reaction mixture in this zone is at least 10<-6 >seconds per pass.
申请公布号
EP1366106(A1)
申请公布日期
2003.12.03
申请号
EP20020704707
申请日期
2002.02.11
申请人
BAYER AKTIENGESELLSCHAFT;BAYER CORPORATION
发明人
HOFMANN, JOERG;EHLERS, STEPHAN;KLINKSIEK, BERND;KLESCZEWSKI, BERT;STEINLEIN, CHRISTIAN;OBENDORF, LARS;PIELARTZIK, HARALD;PAZOS, JOSE, F.