B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 21/06 (2006.01) B01J 23/66 (2006.01) B01J 29/89 (2006.01) C07C 67/055 (2006.01) C07D 301/12 (2006.01) C04B 35/634 (2006.01)
Patent
CA 2670941
An extrudate comprising an inorganic oxide and a comb-branched polymer is disclosed. The calcined extrudates are useful catalysts or catalyst supports. A palladium-gold catalyst prepared with a calcined titania extrudate of the invention is useful in making vinyl acetate from ethylene, acetic acid, and oxygen or oxygen-containing gas. A calcined transition metal zeolite extrudate of the invention is used as a catalyst in oxidizing organic compounds with hydrogen peroxide. Incorporation of a comb-branched polymer improves the mechanical properties of inorganic oxide extrudates.
Extrudat comprenant un oxyde inorganique et polymère à ramification en peigne. Les extrudats soumis à calcination sont des catalyseurs ou des supports de catalyseurs utiles. Un catalyseur palladium-or élaboré avec un extrudat de dioxyde de titane soumis à calcination est utile pour l'élaboration d'acétate de vinyle à partir d'éthylène, d'acide acétique et d'oxygène ou de gaz contenant de l'oxygène. On utilise un extrudat de zéolithe de métal de transition soumis à calcination comme catalyseur de l'oxydation de composés organiques avec du peroxyde d'hydrogène. L'incorporation de polymère à ramification en peigne améliore les propriétés mécaniques des extrudats d'oxydes inorganiques.
Augustine Steven M.
Kaminsky Mark P.
Shawl Edward T.
Lyondell Chemical Technology L.p.
Osler Hoskin & Harcourt Llp
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