ES2072053T3 - Procedimiento para preparar acetato de vinilo. - Google Patents

Procedimiento para preparar acetato de vinilo.

Info

Publication number
ES2072053T3
ES2072053T3 ES92110246T ES92110246T ES2072053T3 ES 2072053 T3 ES2072053 T3 ES 2072053T3 ES 92110246 T ES92110246 T ES 92110246T ES 92110246 T ES92110246 T ES 92110246T ES 2072053 T3 ES2072053 T3 ES 2072053T3
Authority
ES
Spain
Prior art keywords
support particles
particles
sio2
compounds
support
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
ES92110246T
Other languages
English (en)
Inventor
Peter Dr Wirtz
Karl-Fred Dr Worner
Friedrich Dr Wunder
Klaus Dr Eichler
Gunter Dr Roscher
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hoechst AG
Original Assignee
Hoechst AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hoechst AG filed Critical Hoechst AG
Application granted granted Critical
Publication of ES2072053T3 publication Critical patent/ES2072053T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0201—Impregnation
    • B01J37/0205—Impregnation in several steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56—Platinum group metals
    • B01J23/58—Platinum group metals with alkali- or alkaline earth metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56—Platinum group metals
    • B01J23/60—Platinum group metals with zinc, cadmium or mercury
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/04—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides onto unsaturated carbon-to-carbon bonds
    • C07C67/05—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides onto unsaturated carbon-to-carbon bonds with oxidation
    • C07C67/055—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides onto unsaturated carbon-to-carbon bonds with oxidation in the presence of platinum group metals or their compounds

Abstract

LA INVENCION CONCIERNE A UN PROCEDIMIENTO PARA LA OBTENCION DE UN CATALIZADOR, QUE CONTENGA PALADIO Y/O SUS COMPUESTOS Y COMPUESTOS ALCALINOS, ASI COMO COMPUESTOS DE CADMIO ADICIONALES Y/O ORO Y/O SUS COMPUESTOS EN PARTICULAS DE SOPORTE, QUE HAN SIDO COMPRIMIDAS DE UNA MEZCLA DE SIO2 O DE SIO2-AL2O3 CON AYUDA DE UN AGLUTINANTE, EN DONDE LAS PARTICULAS DE SOPORTE A) SE LAVAN CON UN ACIDO, QUE NO REACCIONE CON MEZCLAS DE SIO2 O SIO2-AL2O3, HASTA QUE LAS PARTICULAS DE SOPORTE NO EMITAN OTROS CATIONES DEL AGLUTINANTE APLICADO AL PRESIONAR LAS PARTICULAS; B) DESPUES SE IMPREGNAN LAS PARTICULAS DE SOPORTE CON PALADIO, ASI COMO ORO O CADMIO; C) DESPUES SE PONEN EN CONTACTO LAS PARTICULAS DE SOPORTE IMPREGNADAS CON UNA SOLUCION DE UNA BASE, AL MENOS HASTA QUE EL GROSOR DE LA CAPA DE METAL NOBLE PRODUCIDA SOBRE LAS PARTICULAS NO SE MODIFIQUE ESENCIALMENTE MAS; D) DESPUES SE IMPREGNAN LAS PARTICULAS DE SOPORTE CON UN COMPUESTO ALCALINO. DE ESTE MODO SE GENERA UNA DISTRIBUCION EN FORMA DE CAPA DEL PALADIO Y, DADO EL CASO, DEL ORO EN LAS PARTICULAS DE SOPORTE. ADEMAS, LA INVENCION CONCIERNE A UN CATALIZADOR DE SOPORTE PRODUCIDO DE ESTE MODO ASI COMO SU UTILIZACION PARA LA PRODUCCION DE ACETATO DE VINILO.
ES92110246T 1991-06-21 1992-06-17 Procedimiento para preparar acetato de vinilo. Expired - Lifetime ES2072053T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4120492A DE4120492A1 (de) 1991-06-21 1991-06-21 Verfahren zur herstellung von vinylacetat

Publications (1)

Publication Number Publication Date
ES2072053T3 true ES2072053T3 (es) 1995-07-01

Family

ID=6434437

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92110246T Expired - Lifetime ES2072053T3 (es) 1991-06-21 1992-06-17 Procedimiento para preparar acetato de vinilo.

Country Status (19)

Country Link
US (2) US5250487A (es)
EP (1) EP0519435B1 (es)
JP (1) JPH05184927A (es)
KR (1) KR100213843B1 (es)
CN (1) CN1031927C (es)
AU (1) AU650142B2 (es)
BG (1) BG60581B1 (es)
BR (1) BR9202328A (es)
CA (1) CA2071699A1 (es)
CZ (1) CZ287259B6 (es)
DE (2) DE4120492A1 (es)
ES (1) ES2072053T3 (es)
MX (1) MX9203016A (es)
PL (1) PL168402B1 (es)
RU (1) RU2056405C1 (es)
SG (1) SG44750A1 (es)
TR (1) TR27174A (es)
TW (1) TW213870B (es)
YU (1) YU32292A (es)

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DE4323978C1 (de) * 1993-07-16 1995-02-16 Hoechst Ag Palladium und Kalium sowie Cadmium, Barium oder Gold enthaltender Schalenkatalysator, Verfahren zu dessen Herstellung sowie dessen Verwendung zur Herstellung von Vinylacetat
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DE4405245A1 (de) * 1994-02-18 1995-08-24 Wacker Chemie Gmbh Hitzestabilen Siliconkautschuk ergebende additionsvernetzende Massen
US5536693A (en) * 1994-06-02 1996-07-16 The Standard Oil Company Process for the preparation of vinyl acetate catalyst
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EP0686615B2 (fr) * 1994-06-09 2007-06-27 Institut Francais Du Petrole Procédé d'hydrogénation catalytique et catalyseur utilisable dans ce procédé
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Also Published As

Publication number Publication date
RU2056405C1 (ru) 1996-03-20
EP0519435A1 (de) 1992-12-23
CN1031927C (zh) 1996-06-05
DE4120492A1 (de) 1992-12-24
US5292931A (en) 1994-03-08
PL294869A1 (en) 1993-02-22
CZ287259B6 (cs) 2000-10-11
BG96465A (en) 1994-03-31
CZ190392A3 (en) 1993-01-13
CA2071699A1 (en) 1992-12-22
CN1068051A (zh) 1993-01-20
AU1835492A (en) 1992-12-24
TW213870B (es) 1993-10-01
EP0519435B1 (de) 1995-03-15
PL168402B1 (pl) 1996-02-29
MX9203016A (es) 1992-12-01
KR930000159A (ko) 1993-01-15
US5250487A (en) 1993-10-05
TR27174A (tr) 1994-11-10
JPH05184927A (ja) 1993-07-27
BG60581B1 (bg) 1995-09-29
KR100213843B1 (ko) 1999-08-02
YU32292A (sh) 1995-10-03
BR9202328A (pt) 1993-01-19
SG44750A1 (en) 1997-12-19
AU650142B2 (en) 1994-06-09
DE59201636D1 (de) 1995-04-20

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