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

1978-06-09

1979-01-30

Mars, Howard T.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

260571, 260570D, 260573, 260584B, 536120, 544398, 544401, 544383, 568621, 568608, 568620, C07C 300, C07H 106, C07C 4112

Patent

active

041373987

ABSTRACT:
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.

REFERENCES:
patent: 2448664 (1948-09-01), Fife et al.
patent: 2496582 (1950-02-01), Enyeart
patent: 4029879 (1977-06-01), Muzzio

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