ES2141717T3 - Procedimiento para la preparacion de materiales a base de oxidos inorganicos con un tamaño de particulas monodispersadas y materiales resultantes. - Google Patents

Procedimiento para la preparacion de materiales a base de oxidos inorganicos con un tamaño de particulas monodispersadas y materiales resultantes.

Info

Publication number
ES2141717T3
ES2141717T3 ES92203128T ES92203128T ES2141717T3 ES 2141717 T3 ES2141717 T3 ES 2141717T3 ES 92203128 T ES92203128 T ES 92203128T ES 92203128 T ES92203128 T ES 92203128T ES 2141717 T3 ES2141717 T3 ES 2141717T3
Authority
ES
Spain
Prior art keywords
materials
inorganic oxides
procedure
preparation
size
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
ES92203128T
Other languages
English (en)
Inventor
Lorenzo Costa
Giulio Boara
Guido Cogliati
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.)
Enichem SpA
Original Assignee
Enichem SpA
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 Enichem SpA filed Critical Enichem SpA
Application granted granted Critical
Publication of ES2141717T3 publication Critical patent/ES2141717T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/14—Colloidal silica, e.g. dispersions, gels, sols
    • C01B33/157—After-treatment of gels
    • C01B33/158—Purification; Drying; Dehydrating
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/14—Methods for preparing oxides or hydroxides in general
    • C01B13/32—Methods for preparing oxides or hydroxides in general by oxidation or hydrolysis of elements or compounds in the liquid or solid state or in non-aqueous solution, e.g. sol-gel process
    • C01B13/328—Methods for preparing oxides or hydroxides in general by oxidation or hydrolysis of elements or compounds in the liquid or solid state or in non-aqueous solution, e.g. sol-gel process by processes making use of emulsions, e.g. the kerosine process
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/30—Particle morphology extending in three dimensions
    • C01P2004/32—Spheres
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/51—Particles with a specific particle size distribution
    • C01P2004/52—Particles with a specific particle size distribution highly monodisperse size distribution
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/12—Surface area
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/14—Pore volume

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Nanotechnology (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Composite Materials (AREA)
  • Silicon Compounds (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
  • Colloid Chemistry (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Catalysts (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

Abstract

SE PRESENTA UN METODO PARA PREPARAR MATERIALES BASADOS EN OXIDOS O EN OXIDOS INORGANICOS DE FORMA ESFERICA CON UNA DISTRIBUCION SUBSTANCIALMENTE MONOMODAL QUE CONSTA DE LA FORMACION DE UNA SUSPENSION COLOIDAL DE AL MENOS UNO DE LOS OXIDOS INORGANICOS DE INTERES, LA ADICION A DICHA SUSPENSION COLOIDAL DE UN SOLVENTE NO MISCIBLE CON LA SUSPENSION COLOIDAL, LA DISPERSION FINA DE LA MEZCLA DE DOS FASES OBTENIDA EN UNA DISPERSION DE PARTICULAS DE IGUAL DIAMETRO, EL ENGROSAMIENTO DE DICHAS PARTICULAS MEDIANTE COALESCENCIA LIMITADA HASTA EL DIAMETRO DESEADO, LA GELIFICACION DE DICHA MEZCLA MEDIANTE LA ADICION DE UN SEGUNDO SOLVENTE QUE CONTENGA UN AGENTE GELIFICANTE, Y LA SEPARACION DEL SOLVENTE.
ES92203128T 1991-10-17 1992-10-12 Procedimiento para la preparacion de materiales a base de oxidos inorganicos con un tamaño de particulas monodispersadas y materiales resultantes. Expired - Lifetime ES2141717T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI912743A IT1251939B (it) 1991-10-17 1991-10-17 Procedimento per la preparazione di materiali a base di ossidi inorganici con granulometria monodispersa e materiali cosi ottenuti.

Publications (1)

Publication Number Publication Date
ES2141717T3 true ES2141717T3 (es) 2000-04-01

Family

ID=11360882

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92203128T Expired - Lifetime ES2141717T3 (es) 1991-10-17 1992-10-12 Procedimiento para la preparacion de materiales a base de oxidos inorganicos con un tamaño de particulas monodispersadas y materiales resultantes.

Country Status (10)

Country Link
US (2) US5304364A (es)
EP (1) EP0537850B1 (es)
JP (1) JP3388598B2 (es)
AT (1) ATE189188T1 (es)
DE (1) DE69230606T2 (es)
DK (1) DK0537850T3 (es)
ES (1) ES2141717T3 (es)
GR (1) GR3032801T3 (es)
IT (1) IT1251939B (es)
PT (1) PT537850E (es)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1251939B (it) * 1991-10-17 1995-05-27 Donegani Guido Ist Procedimento per la preparazione di materiali a base di ossidi inorganici con granulometria monodispersa e materiali cosi ottenuti.
IT1256359B (it) * 1992-09-01 1995-12-01 Enichem Spa Procedimento per la preparazione di componenti e dispositivi ottici indimensioni finali o quasi finali, e prodotti cosi' ottenuti
IT1266660B1 (it) * 1993-11-04 1997-01-09 Eniricerche Spa Procedimento per la preparazione di xerogels di silice porosi in forma sferica
US5494863A (en) * 1994-12-13 1996-02-27 Vortec Corporation Process for nuclear waste disposal
US5580655A (en) * 1995-03-03 1996-12-03 Dow Corning Corporation Silica nanoparticles
IT1275412B (it) * 1995-06-01 1997-08-05 Enichem Spa Procedimento per la preparazione di ossidi misti silice-allumina porosi in forma sferica
US5876686A (en) * 1995-06-28 1999-03-02 E. I. Du Pont De Nemours And Company Process for making inorganic oxide gels in fluorocarbon solvents
DE19533486A1 (de) * 1995-09-12 1997-03-13 Basf Ag Monomodale und polymodale Katalysatorträger und Katalysatoren mit engen Porengrößenverteilungen und deren Herstellverfahren
DE19533484A1 (de) * 1995-09-12 1997-03-13 Basf Ag Monomodale und polymodale Katalysatorträger und Katalysatoren mit engen Porengrößenverteilungen und deren Herstellverfahren
US6210649B1 (en) * 1997-04-15 2001-04-03 Massachusetts Institute Of Technology Metal oxide catalysts for nitric oxide reduction
US6241955B1 (en) * 1998-10-02 2001-06-05 Aeronex, Inc. Method and apparatus for purification of hydride gas streams
US6524544B1 (en) * 2000-10-27 2003-02-25 Aeronex, Inc. Self-regenerative process for contaminant removal from ammonia
US20040091411A1 (en) * 2002-11-08 2004-05-13 Bijan Modrek-Najafabadi High surface area, high porosity silica packing with narrow particle and pore diameter distribution and methods of making same
DE10331439B3 (de) 2003-07-10 2005-02-03 Micromod Partikeltechnologie Gmbh Magnetische Nanopartikel mit verbesserten Magneteigenschaften
US20050019244A1 (en) * 2003-07-23 2005-01-27 Spiegelman Jeffrey J. Method for the point of use production of ammonia from water and nitrogen
US8156899B2 (en) * 2004-12-13 2012-04-17 Innovive Inc. Containment systems and components for animal husbandry: nested covers
TWI432381B (zh) * 2005-12-12 2014-04-01 Grace W R & Co 氧化鋁粒子
US20100003182A1 (en) * 2006-06-02 2010-01-07 Lorenzo Costa Pellitized silica
ITMI20090950A1 (it) * 2009-05-29 2010-11-30 Gegussa Novara Technology Spa Processo per la preparazione di un aerogelo in pellets
US8679437B2 (en) 2009-09-23 2014-03-25 Fef Chemicals A/S Preparation of mesoporous and macroporous silica gel
US9249028B2 (en) 2010-02-08 2016-02-02 Momentive Performance Materials Inc. Method for making high purity metal oxide particles and materials made thereof
US8197782B2 (en) * 2010-02-08 2012-06-12 Momentive Performance Materials Method for making high purity metal oxide particles and materials made thereof

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6021802A (ja) * 1983-07-15 1985-02-04 Daido Sanso Kk 均一な細孔を有する金属酸化物、その製造方法およびその金属酸化物からなる触媒用担体
US4717708A (en) * 1983-12-27 1988-01-05 Stauffer Chemical Company Inorganic oxide aerogels and their preparation
US4849378A (en) * 1985-02-25 1989-07-18 University Of Florida Ultraporous gel monoliths having predetermined pore sizes and their production
US4847235A (en) * 1986-02-03 1989-07-11 Scm Glidco Organics Corp. Silica product
JPS62207712A (ja) * 1986-03-05 1987-09-12 Fuji Debuison Kagaku Kk ビ−ルの安定化処理用含水シリカゲル
US4927560A (en) * 1987-02-25 1990-05-22 Nippon Shokubai Kagaku Kogyo Co., Ltd. Method for production of inorganic minute globular particles
SE459731B (sv) * 1987-06-29 1989-07-31 Eka Nobel Ab Silikapartiklar, foerfarande foer deras framstaellning samt anvaendning av partiklarna
JPH01145318A (ja) * 1987-12-01 1989-06-07 Nippon Steel Chem Co Ltd 非孔性球状シリカの製造法
JPH01264924A (ja) * 1988-04-14 1989-10-23 Nippon Steel Chem Co Ltd 球状シリカの製造方法
DE3834774C2 (de) * 1988-10-12 1995-01-05 Fraunhofer Ges Forschung Verfahren zur Herstellung einer kugelförmige Oxidteilchen enthaltenden Suspension
IT1230709B (it) * 1989-02-10 1991-10-29 Enichem Spa Procedimento per la preparazione di monoliti di aerogel di ossidi di metalli.
US5128114A (en) * 1989-04-14 1992-07-07 E. I. Du Pont De Nemours And Company Silica microspheres, method of improving attrition resistance
US5158758A (en) * 1989-04-24 1992-10-27 International Minerals & Chemical Corp. Production of silica having high specific surface area
IT1240613B (it) * 1990-03-26 1993-12-17 Enichem Anic Spa Catalizzatore supportato per la polimerizzazione e la copolimerizzazione di composti olefinicamente insaturi, e procedimento di (co) polimerizzazione impiegante lo stesso
IT1240673B (it) * 1990-04-24 1993-12-17 Tenav Microsfere di aerogels di ossidi inorganici a stretta distribuzione dei diametri dei pori e metodo per la loro preparazione
US5094829A (en) * 1990-06-21 1992-03-10 Ppg Industries, Inc. Reinforced precipitated silica
US5189900A (en) * 1991-03-06 1993-03-02 Mccord Heat Transfer Corporation Apparatus for connecting a coolant tube and header of a heat exchanger
US5231066A (en) * 1991-09-11 1993-07-27 Quantum Chemical Corporation Bimodal silica gel, its preparation and use as a catalyst support
IT1251937B (it) * 1991-10-17 1995-05-27 Donegani Guido Ist Xerogels di silice ad alta porosita` e processo per la loro preparazione.
IT1251939B (it) * 1991-10-17 1995-05-27 Donegani Guido Ist Procedimento per la preparazione di materiali a base di ossidi inorganici con granulometria monodispersa e materiali cosi ottenuti.

Also Published As

Publication number Publication date
EP0537850B1 (en) 2000-01-26
DE69230606T2 (de) 2000-09-21
ATE189188T1 (de) 2000-02-15
JPH05213613A (ja) 1993-08-24
DE69230606D1 (de) 2000-03-02
US5304364A (en) 1994-04-19
GR3032801T3 (en) 2000-06-30
ITMI912743A1 (it) 1993-04-17
US5660809A (en) 1997-08-26
IT1251939B (it) 1995-05-27
EP0537850A1 (en) 1993-04-21
JP3388598B2 (ja) 2003-03-24
PT537850E (pt) 2000-05-31
ITMI912743A0 (it) 1991-10-17
DK0537850T3 (da) 2000-05-29

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