Method for purifying a polyoxyalkylene alcohol

Details Method for purifying a polyoxyalkylene alcohol Method for purifying a polyoxyalkylene alcohol

1990-02-14

1991-01-22

Mars, Howard T.

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

Organic compounds

Oxygen containing

536120, 564475, 564497, 568607, 568608, 568609, 568614, C07C 3768, C07C 3782

Patent

active

049872710

ABSTRACT:
A method for purifying a polyoxyalkylene alcohol, which comprises treating with a treating agent consisting essentially of a pH buffer, a polyoxyalkylene alcohol containing a double metal cyanide complex catalyst, synthesized by ring-opening polymerization of an alkylene oxide in the presence of said catalyst, and then removing the catalyst and the treating agent from the polyoxyalkylene alcohol.

REFERENCES:
patent: 4721818 (1988-01-01), Harper et al.

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