Preparation of vinyl acetate

Details Preparation of vinyl acetate Preparation of vinyl acetate

C - Chemistry, Metallurgy

07

C

C07C 67/46 (2006.01) C07C 69/15 (2006.01)

Patent

CA 2274073

This invention pertains to the preparation of vinyl acetate by contacting a mixture of hydrogen and ketene with a heterogeneous catalyst containing a transition metal to produce acetaldehyde, which is then reacted with ketene in the presence of an acid catalyst to produce vinyl acetate.

La présente invention concerne un procédé de préparation d'acétate de vinyle qui consiste à mettre en contact un mélange d'hydrogène et de cétène avec un catalyseur hétérogène contenant un métal de transition, afin d'obtenir de l'aldéhyde acétique, lequel est ensuite mis à réagir avec le cétène, en présence d'un catalyseur acide, afin d'obtenir de l'acétate de vinyle.

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