Process for preparing a polyoxyalkylene carbonate polyol
AssigneeCovestro Deutschland AG
InventorsElisabeth Vogelsang, Joerg Hofmann, Klaus Lorenz, Philipp Sander, Stefan Werda, Mike Schuetze
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Abstract
The invention relates to a process for preparing a polyoxyalkylene carbonate polyol by reacting a polyoxyalkylene polyol with a cyclic carbonate in the presence of an amine catalyst. The invention further relates to polyoxyalkylene carbonate polyols obtainable using the method according to the invention and to a process for preparing polyurethanes by reacting the polyoxyalkylene carbonate polyols according to the invention with polyisocyanates.
Claims13
A process for preparing a polyoxyalkylenecarbonate polyol comprising reacting a polyoxyalkylene polyol with a cyclic carbonate in the presence of an amine catalyst.
Dependencies are inferred from the claim text.