High efficiency method of preparing polyalkylene oxide...

Details High efficiency method of preparing polyalkylene oxide... High efficiency method of preparing polyalkylene oxide...

C - Chemistry, Metallurgy

08

F

C08F 255/06 (2006.01) C08F 279/00 (2006.01)

Patent

CA 2636280

A new method of preparing a tertiary alkyl ester of a polyalkylene oxide is provided. The new method employs milder conditions that avoid the back reaction to the starting polyalkylene oxide. The tertiary alkyl ester of a polyalkylene oxide is then reacted with a suitable acid to produce a polyalkylene oxide acid.

La présente invention concerne un nouveau procédé de préparation d~ester alkylique tertiaire d~un oxyde de polyalkylène. Ledit nouveau procédé emploie des conditions modérées qui empêchent la réaction inverse vers l~oxyde de polyalkylène de départ. L~ester alkylique tertiaire d~un oxyde de polyalkylène est ensuite amené à réagir avec un acide approprié pour produire un acide d~oxyde de polyalkylène.

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