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
Links
- 239000000463 material Substances 0.000 title abstract 3
- 239000002245 particle Substances 0.000 title abstract 3
- 229910052809 inorganic oxide Inorganic materials 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 239000002904 solvent Substances 0.000 abstract 3
- 239000006185 dispersion Substances 0.000 abstract 2
- 239000000725 suspension Substances 0.000 abstract 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 230000008719 thickening Effects 0.000 abstract 1
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.
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)
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)
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. |
-
1991
- 1991-10-17 IT ITMI912743A patent/IT1251939B/it active IP Right Grant
-
1992
- 1992-10-12 DK DK92203128T patent/DK0537850T3/da active
- 1992-10-12 DE DE69230606T patent/DE69230606T2/de not_active Expired - Lifetime
- 1992-10-12 EP EP92203128A patent/EP0537850B1/en not_active Expired - Lifetime
- 1992-10-12 AT AT92203128T patent/ATE189188T1/de active
- 1992-10-12 ES ES92203128T patent/ES2141717T3/es not_active Expired - Lifetime
- 1992-10-12 PT PT92203128T patent/PT537850E/pt unknown
- 1992-10-14 US US07/960,797 patent/US5304364A/en not_active Expired - Lifetime
- 1992-10-19 JP JP30603892A patent/JP3388598B2/ja not_active Expired - Lifetime
-
1994
- 1994-01-04 US US08/177,309 patent/US5660809A/en not_active Expired - Lifetime
-
2000
- 2000-02-29 GR GR20000400504T patent/GR3032801T3/el unknown
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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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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