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1. (WO2018158389) METHOD FOR PREPARING POLYCARBONATE ETHER POLYOLS

Pub. No.:    WO/2018/158389    International Application No.:    PCT/EP2018/055091
Publication Date: Sat Sep 08 01:59:59 CEST 2018 International Filing Date: Fri Mar 02 00:59:59 CET 2018
IPC: C08G 64/34
C08G 64/02
C08G 65/26
Applicants: ECONIC TECHNOLOGIES
Inventors: KEMBER, Michael
ANDERSON, Carly
Title: METHOD FOR PREPARING POLYCARBONATE ETHER POLYOLS
Abstract:
The present invention relates to a method for preparing a polycarbonate ether polyol, by reacting an epoxide and carbon dioxide in the presence of a catalyst of formula (I), a double metal cyanide (DMC) catalyst and a starter compound. The catalyst of formula (I) is as follows.