Process for the preparation of polyether polyols with...

Details Process for the preparation of polyether polyols with... Process for the preparation of polyether polyols with...

C - Chemistry, Metallurgy

08

G

C08G 18/48 (2006.01) C08G 65/26 (2006.01)

Patent

CA 2003224

ABSTRACT Polyether polyols having an equivalent weight of from 200 to 4000 are prepared by the process of this invention. The process uses barium- or strontium-con- taining alkoxylation catalysts to provide products with reduced unsaturation in comparison to similar products produced with potassium hydroxide catalysis. In a preferred embodiment of the process, water is added during the reaction of the monoepoxy compound with the initiator. The quantity of water added is one percent or less by weight of the total weight of monoepoxy compound to be reacted with the initiator. 36,277A-F

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