阅读说明：本技术 聚醚聚合工艺 (Polyether polymerization process ) 是由 施海峰 M·库玛巴尔卡尔 J·S·菲斯科 C·M·惠利 D·A·巴布 B·J·默多克 于 2020-02-17 设计创作，主要内容包括：聚醚是通过在存在双金属氰化物催化剂络合物和某些M～(5)金属或半金属化合物的情况使下使环氧烷聚合来制备的。所述双金属氰化物催化剂络合物含有0.5重量％至2重量％的钾。这种催化剂体系能够耐受如此大量的钾,从而使得催化剂的制备程序更简单且成本更低。(Polyethers are prepared by reacting a polyether in the presence of a double metal cyanide catalyst complex and certain M 5 In the case of metal or semimetal compounds, the alkylene oxides are polymerized. The double metal cyanide catalyst complex contains 0.5 wt.% to 2 wt.% potassium. Such catalyst systems are able to tolerate such large amounts of potassium, thereby making the catalyst preparation procedure simpler and less costly.)