Purification of heat sensitive polyoxyalkylene polyether...

Details Purification of heat sensitive polyoxyalkylene polyether... Purification of heat sensitive polyoxyalkylene polyether...

C - Chemistry, Metallurgy

08

G

260/641

C08G 65/30 (2006.01) C07C 41/38 (2006.01)

Patent

CA 1060480

PURIFICATION OF HEAT SENSITIVE POLYOXYALKYLENE POLYETHER POLYOLS Abstract of the Disclosure Crude polyols prepared from heat sensitive initiators may be purified by centrifugal separation of a mixture of polyol, water, and solvent by utilizing carbon dioxide, acetic acid or formic acid for neutralization of the alkaline catalyst prior to any water addition to the crude polyol. -1-

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