METHOD FOR THE PRODUCTION OF HIGHLY FUNCTIONAL POLYETHER ALCOHOLS

摘要

The invention relates to a method for producing polyether alcohols with a functionality of more than 2, comprising the following steps: a) a polyester alcohol having a functionality of more than 2, preferably at least 3, is produced by reacting at least one multifunctional alcohol with at least one multifunctional carboxylic acid; b) said polyester alcohol is reacted with alkylene oxides by using at least one DMC catalyst.