ES2031142T3 - Procedimiento de preparacion de dispersiones acuosas coloidales de un compuesto decerio iv. - Google Patents

Procedimiento de preparacion de dispersiones acuosas coloidales de un compuesto decerio iv.

Info

Publication number
ES2031142T3
ES2031142T3 ES198787400602T ES87400602T ES2031142T3 ES 2031142 T3 ES2031142 T3 ES 2031142T3 ES 198787400602 T ES198787400602 T ES 198787400602T ES 87400602 T ES87400602 T ES 87400602T ES 2031142 T3 ES2031142 T3 ES 2031142T3
Authority
ES
Spain
Prior art keywords
decade
procedure
compound
preparation
aqueous dispersions
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
ES198787400602T
Other languages
English (en)
Inventor
Claire David
Claude Magnier
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.)
Rhodia Chimie SAS
Original Assignee
Rhone Poulenc Chimie SA
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 Rhone Poulenc Chimie SA filed Critical Rhone Poulenc Chimie SA
Application granted granted Critical
Publication of ES2031142T3 publication Critical patent/ES2031142T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00—Compounds of rare earth metals
    • C01F17/20—Compounds containing only rare earth metals as the metal element
    • C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • 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
    • B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
    • 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
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/24—Nitrogen compounds
    • B01J27/25—Nitrates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00—Compounds of rare earth metals
    • C01F17/20—Compounds containing only rare earth metals as the metal element
    • C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
    • C01F17/224—Oxides or hydroxides of lanthanides
    • C01F17/235—Cerium oxides or hydroxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00—Compounds of rare earth metals
    • C01F17/20—Compounds containing only rare earth metals as the metal element
    • C01F17/276—Nitrates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Nanotechnology (AREA)
  • Physics & Mathematics (AREA)
  • Composite Materials (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Catalysts (AREA)
  • Colloid Chemistry (AREA)
  • Cephalosporin Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

LA PRESENTE INVENCION SE REFIERE A DISPERSIONES ACUOSAS COLOIDALES DE UN COMPUESTO DE CERIO (IV) CON FUERTE CONCENTRACION EN CERIO. SE OBTIENEN SEGUN PROCEDIMIENTO QUE CONSISTE EN : PREPARAR UN HIDROXINITRATO DE CERIO QUE RESPONDA A LA FORMULA (I) EN LA CUAL: Y ESTA COMPRENDIDO ENTRE 0,25 Y 0,35; X ES TAL QUE X=4-Y; N ESTA COMPRENDIDO ENTRE APROXIMADAMENTE 0 Y 20 OBTENIDO HACIENDO REACCIONAR UNA SOLUCION ACUOSA DE UNA SAL DE CERIO (IV) Y UNA BASE; SEPARAR EL PRECIPITADO OBTENIDO, LAVARLO Y DISPERSAR EL PRODUCTO OBTENIDO EN MEDIO ACUOSO ACIDO. LAS CITADAS DISPERSIONES ESTAN BIEN ADAPTADAS A UNA APLICACION EN EL AMBITO DE LA CATALISIS, SOBRE TODO, PARA LA IMPREGNACION DE SOPORTES CATALITICOS.
ES198787400602T 1986-03-26 1987-03-18 Procedimiento de preparacion de dispersiones acuosas coloidales de un compuesto decerio iv. Expired - Lifetime ES2031142T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8604348A FR2596382B1 (fr) 1986-03-26 1986-03-26 Dispersions aqueuses colloidales d'un compose de cerium iv et leur procede d'obtention

Publications (1)

Publication Number Publication Date
ES2031142T3 true ES2031142T3 (es) 1992-12-01

Family

ID=9333572

Family Applications (1)

Application Number Title Priority Date Filing Date
ES198787400602T Expired - Lifetime ES2031142T3 (es) 1986-03-26 1987-03-18 Procedimiento de preparacion de dispersiones acuosas coloidales de un compuesto decerio iv.

Country Status (12)

Country Link
US (1) US5021192A (es)
EP (1) EP0239479B1 (es)
JP (1) JP2517265B2 (es)
KR (1) KR910010128B1 (es)
AT (1) ATE73426T1 (es)
AU (1) AU593079B2 (es)
BR (1) BR8701983A (es)
CA (1) CA1332781C (es)
DE (1) DE3777216D1 (es)
ES (1) ES2031142T3 (es)
FR (1) FR2596382B1 (es)
GR (1) GR3004852T3 (es)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5308548A (en) * 1985-06-20 1994-05-03 Rhone-Poulenc Specialities Chimiques Preparing a dispersible, sol-forming cerium (IV) composition
FR2583737B1 (fr) * 1985-06-20 1987-08-14 Rhone Poulenc Spec Chim Nouveau compose de cerium iv et son procede de preparation.
FR2617154B1 (fr) * 1987-06-29 1990-11-30 Rhone Poulenc Chimie Procede d'obtention d'oxyde cerique et oxyde cerique a nouvelles caracteristiques morphologiques
ATE67469T1 (de) * 1987-06-29 1991-10-15 Rhone Poulenc Chimie Verfahren zur gewinnung eines ceriumoxids.
FR2632945B1 (fr) * 1988-06-15 1991-02-08 Rhone Poulenc Chimie Procede d'obtention d'un oxyde cerique de grande surface specifique
FR2621576B1 (fr) * 1987-10-09 1990-01-05 Rhone Poulenc Chimie Dispersion colloidale d'un compose de cerium iv en milieu aqueux et son procede de preparation
US5279789A (en) * 1988-12-23 1994-01-18 Rhone-Poulenc Chimie Ceric oxide particulates having improved morphology
FR2655972B1 (fr) * 1989-12-15 1992-04-24 Rhone Poulenc Chimie Procede de preparation d'une dispersion collouidale d'un compose de cerium iv en milieu aqueux et dispersions obtenues.
BR9104844A (pt) * 1991-11-06 1993-05-11 Solvay Processo para a extracao seletiva de cerio de uma solucao aquosa de elementos de terras raras
EP0604919A1 (en) * 1992-12-28 1994-07-06 Ishihara Sangyo Kaisha, Ltd. Deodorant
US5389352A (en) * 1993-07-21 1995-02-14 Rodel, Inc. Oxide particles and method for producing them
US6001322A (en) 1993-09-29 1999-12-14 Rhone-Poulenc Chimie Precipitated silicas
FR2710630B1 (fr) * 1993-09-29 1995-12-29 Rhone Poulenc Chimie Nouvelles silices précipitées, leur procédé de préparation et leur utilisation au renforcement des élastomères.
CN1047149C (zh) 1993-09-29 1999-12-08 罗纳·布朗克化学公司 沉淀硅石
US6169135B1 (en) 1993-09-29 2001-01-02 Rhone Poulenc Chimie Precipitated silica
FR2720295B1 (fr) * 1994-05-27 1996-07-12 Rhone Poulenc Chimie Composé dispersible à base d'une terre rare, suspension colloïdale obtenue à partir de ce composé, leurs procédés de préparation et utilisation à la fabrication de catalyseurs.
FR2724330B1 (fr) * 1994-09-12 1997-01-31 Rhone Poulenc Chimie Dispersion colloidale d'un compose de cerium a concentration elevee et son procede de preparation
FR2724331B1 (fr) * 1994-09-12 1996-12-13 Rhone Poulenc Chimie Dispersions colloidales d'un compose de cerium a ph eleve et leurs procedes de preparation
US6210451B1 (en) * 1995-02-21 2001-04-03 Rhone-Poulenc Chimie Colloidal organic sols comprising tetravalent metal oxide/organic acid complexes
AU2002359356A1 (en) * 2001-11-16 2003-06-10 Ferro Corporation Particles for use in cmp slurries and method for producing them
US6596042B1 (en) * 2001-11-16 2003-07-22 Ferro Corporation Method of forming particles for use in chemical-mechanical polishing slurries and the particles formed by the process
FR2847248B1 (fr) * 2002-11-19 2005-01-21 Rhodia Elect & Catalysis Cluster de praseodyme, dispersion aqueuse et dispersion en milieu solvant de ce cluster et leurs procedes de preparation
FR2905371B1 (fr) * 2006-08-31 2010-11-05 Rhodia Recherches & Tech Composition a reductibilite elevee a base d'un oxyde de cerium nanometrique sur un support, procede de preparation et utilisation comme catalyseur
KR101512359B1 (ko) * 2012-04-16 2015-04-15 (주)디오 콜로이드 산화세륨 제조방법

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3024199A (en) * 1958-09-02 1962-03-06 Du Pont Stable aquasols of hydrous rare earth oxides and their preparation
US3761571A (en) * 1970-02-10 1973-09-25 Atomic Energy Authority Uk Production of ceria
JPS548640A (en) * 1977-06-22 1979-01-23 Mitsubishi Gas Chem Co Inc Coating for treating the surface of plastic molded product
WO1979000248A1 (en) * 1977-11-01 1979-05-17 Atomic Energy Authority Uk Production of dispersions
GB2075478B (en) * 1980-05-09 1983-10-12 Atomic Energy Authority Uk Improvements in or relating to cerium compounds
EP0078098B1 (en) * 1981-08-07 1986-05-14 United Kingdom Atomic Energy Authority Cerium compounds
GB8430244D0 (en) * 1984-11-30 1985-01-09 Atomic Energy Authority Uk Preparation of materials
FR2583735B1 (fr) * 1985-06-20 1990-11-23 Rhone Poulenc Spec Chim Nouvelles dispersions colloidales d'un compose de cerium iv en milieu aqueux et leur procede d'obtention.
FR2583736B1 (fr) * 1985-06-20 1987-08-14 Rhone Poulenc Spec Chim Nouveau compose de cerium iv et son procede de preparation.

Also Published As

Publication number Publication date
EP0239479A3 (en) 1987-12-09
US5021192A (en) 1991-06-04
CA1332781C (fr) 1994-11-01
FR2596382B1 (fr) 1988-05-27
JPS62277145A (ja) 1987-12-02
EP0239479B1 (fr) 1992-03-11
ATE73426T1 (de) 1992-03-15
EP0239479A2 (fr) 1987-09-30
JP2517265B2 (ja) 1996-07-24
DE3777216D1 (de) 1992-04-16
AU593079B2 (en) 1990-02-01
BR8701983A (pt) 1988-01-12
KR870008792A (ko) 1987-10-20
AU7060387A (en) 1987-10-01
GR3004852T3 (es) 1993-04-28
FR2596382A1 (fr) 1987-10-02
KR910010128B1 (ko) 1991-12-17

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