Process for the removal of catalyst from polyether polyol

Details Process for the removal of catalyst from polyether polyol Process for the removal of catalyst from polyether polyol

C - Chemistry, Metallurgy

07

C

260/227, 260/640

C07C 43/10 (2006.01) C08G 65/30 (2006.01)

Patent

CA 1115695

Abstract of the Invention An improvement in the process of alkaline catalyst removal from crude polyoxyalkylene ether polyols is achieved by treating a mixture of crude polyol, adsorbent, and water with magnesium carbonate and carbon dioxide just prior to filtration.

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