C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 69/15 (2006.01) C07C 67/055 (2006.01)
Patent
CA 2237399
An improved method for synthesizing vinyl acetate by the gas phase reaction of acetic acid with ethylene in the presence of oxygen. At least two catalyst modifiers are used, each causing a different level of catalyst activity. The relative amounts of the catalyst modifiers are used to fine tune the productivity of the catalyst.
L'invention porte sur un procédé amélioré de synthèse d'acétate de vinyle faisant intervenir une réaction en phase gazeuse d'acide acétique avec de l'éthylène en présence d'oxygène. On utilise au moins deux agents de modification de catalyseurs, produisant chacun une activité catalytique à des niveaux différents. On utilise des quantités relatives d'agents de modification de catalyseurs pour parachever la mise au point du rendement du catalyseur.
Bennett Jones Llp
E.i. Du Pont de Nemours And Company
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