Co-feed carboxylic acids for production of vinyl esters

Details Co-feed carboxylic acids for production of vinyl esters Co-feed carboxylic acids for production of vinyl esters

C - Chemistry, Metallurgy

07

C

C07C 69/24 (2006.01) C07C 67/055 (2006.01)

Patent

CA 2160180

The present invention relates to a vapor phase process for the production of higher vinyl esters (i.e. vinyl esters of carboxylic acids containing at least four carbon atoms). It has been found that by feeding at least one lower molecular weight carboxylic acid with a higher molecular weight carboxylic acid, in the presence of ethylene, oxygen and a suitable heterogeneous vinyl acetate catalyst, greater yields of the corresponding higher vinyl esters and greater ethylene selectivity are obtained than by reacting the higher molecular weight carboxylic acid alone.

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