| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method for producing a polyetherester polyol starting from a fatty acid ester and a starter compound having a Zerewitinoff-active hydrogen atom. <P>SOLUTION: The method for producing a first polyetherester polyol includes making the starter compound (a) having a Zerewitinoff-active hydrogen atom react with at least one alkylene oxide (b) in the presence of at least one amine (c) selected from a group composed of a tertiary amine and optionally a substituted imidazole, and in the presence of at least one fatty acid ester (d), wherein (d) is added before, during, or after measuring and adding (b), and a second polyetherester polyol (e) is mixed with the components (a), (c), and optionally (d) with an amount of 3.0-20.0 wt.% with respect to the sum total weight of components (a), (b), (c), (d) and (e), before measuring and adding (b). <P>COPYRIGHT: (C)2010,JPO&INPIT |
