Method of producing polyetherpolyols
AssigneeBASF SE
InventorsThomas Ostrowski, Kathrin Harre, Georg Heinrich Grosch, Gerd Höppner, Peter de Vocht, Dirk Leys, Jürgen Winkler, Stephan Bauer
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Abstract
A process for the preparation of polyetherpolyols by reacting diols or polyols with ethylene oxide, propylene oxide, butylene oxide or a mixture thereof in the presence of a multimetal cyanide complex catalyst is proposed, the reaction being carried out in a stirred kettle reactor and the reaction mixture being circulated via an external heat exchanger by means of a pump.
Claims10
A process for the preparation of polyetherpolyols comprising reacting diols or polyols with ethylene oxide, propylene oxide, butylene oxide or a mixture thereof in the presence of a suspended multimetal cyanide complex catalyst in a stirred kettle reactor, wherein the reaction mixture is circulated via an external heat exchanger by means of a pump.
Dependencies are inferred from the claim text.