BR8804714A - Processo de preparacao de uma dispersao coloidal de um composto de terra rara e dispersao coloidal - Google Patents
Processo de preparacao de uma dispersao coloidal de um composto de terra rara e dispersao coloidalInfo
- Publication number
- BR8804714A BR8804714A BR8804714A BR8804714A BR8804714A BR 8804714 A BR8804714 A BR 8804714A BR 8804714 A BR8804714 A BR 8804714A BR 8804714 A BR8804714 A BR 8804714A BR 8804714 A BR8804714 A BR 8804714A
- Authority
- BR
- Brazil
- Prior art keywords
- dispersion
- earth compound
- coloidal
- preparing
- rare earth
- Prior art date
Links
- -1 RARE EARTH COMPOUND Chemical class 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 3
- 229910052761 rare earth metal Inorganic materials 0.000 title abstract 3
- 239000006185 dispersion Substances 0.000 title 2
- 238000001246 colloidal dispersion Methods 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 1
- 239000012736 aqueous medium Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 abstract 1
- 239000011541 reaction mixture Substances 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
-
- 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
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/0004—Preparation of sols
- B01J13/0008—Sols of inorganic materials in water
- B01J13/0013—Sols of inorganic materials in water from a precipitate
-
- 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
-
- 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
- C01F17/30—Compounds containing rare earth metals and at least one element other than a rare earth metal, oxygen or hydrogen, e.g. La4S3Br6
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F5/00—Compounds containing elements of Groups 3 or 13 of the Periodic Table
- C07F5/003—Compounds containing elements of Groups 3 or 13 of the Periodic Table without C-Metal linkages
-
- 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)
- Inorganic Chemistry (AREA)
- Nanotechnology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Crystallography & Structural Chemistry (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Composite Materials (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Colloid Chemistry (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8712669A FR2620437B1 (fr) | 1987-09-14 | 1987-09-14 | Procede d'obtention d'une dispersion colloidale d'un compose de terre rare en milieu aqueux et produit obtenu |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR8804714A true BR8804714A (pt) | 1989-04-18 |
Family
ID=9354847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR8804714A BR8804714A (pt) | 1987-09-14 | 1988-09-13 | Processo de preparacao de uma dispersao coloidal de um composto de terra rara e dispersao coloidal |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US5716547A (pt) |
| EP (1) | EP0308311B1 (pt) |
| JP (1) | JPH0761864B2 (pt) |
| AT (1) | ATE78798T1 (pt) |
| AU (1) | AU623087B2 (pt) |
| BR (1) | BR8804714A (pt) |
| CA (1) | CA1303940C (pt) |
| DE (1) | DE3873233T2 (pt) |
| ES (1) | ES2042786T3 (pt) |
| FR (1) | FR2620437B1 (pt) |
| GR (1) | GR3005887T3 (pt) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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. |
| FR2734560B1 (fr) * | 1995-05-24 | 1997-08-14 | Rhone Poulenc Chimie | Compose a base d'yttrium ou d'holmium redispersible sous forme d'un sol |
| FR2736042B1 (fr) * | 1995-06-30 | 1997-09-12 | Rhone Poulenc Chimie | Dispersion colloidale et composition redispersible sous forme d'une dispersion colloidale a base d'oxyde de cerium |
| FR2801299B1 (fr) * | 1999-11-23 | 2002-06-07 | Rhodia Terres Rares | Dispersion colloidale aqueuse a base d'au moins un compose d'un lanthanide et d'un complexant, procede de preparation et utilisation |
| FR2817770B1 (fr) * | 2000-12-08 | 2003-11-28 | Rhodia Terres Rares | Dispersion colloidale aqueuse de phosphate de terre rare et procede de preparation |
| FR2817771B1 (fr) * | 2000-12-08 | 2003-11-28 | Rhodia Terres Rares | Dispersion colloidale de phosphate de terre rare et procede de preparation |
| JP2005519756A (ja) | 2001-06-20 | 2005-07-07 | ナノフェイズ テクノロジーズ コーポレイション | ナノ結晶性金属酸化物の非水系分散体 |
| US7229600B2 (en) * | 2003-01-31 | 2007-06-12 | Nanoproducts Corporation | Nanoparticles of rare earth oxides |
| EP4086227A4 (en) * | 2020-02-28 | 2024-01-03 | Murata Manufacturing Co., Ltd. | METAL DOUBLE SALT LIQUID DISPERSION, METHOD FOR PRODUCING A METAL DOUBLE SALT LIQUID DISPERSION, METAL OXIDE NANOPARTICLES LIQUID DISPERSION AND METHOD FOR PRODUCING A LIQUID DISPERSION FROM METAL OXIDE |
Family Cites Families (14)
| 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 |
| US3082103A (en) * | 1959-11-12 | 1963-03-19 | Horizons Inc | Stable colloidal dispersions and method of preparing same |
| US3148151A (en) * | 1962-02-22 | 1964-09-08 | Grace W R & Co | Method of preparing rare earthactinide metal oxide sols |
| US3476691A (en) * | 1964-09-23 | 1969-11-04 | Atomic Energy Commission | Process for preparing an yttria aquasol |
| US4181532A (en) * | 1975-10-22 | 1980-01-01 | United Kingdom Atomic Energy Authority | Production of colloidal dispersions |
| WO1979000248A1 (en) * | 1977-11-01 | 1979-05-17 | Atomic Energy Authority Uk | Production of dispersions |
| US4356106A (en) * | 1980-05-09 | 1982-10-26 | United Kingdom Atomic Energy Authority | Cerium compounds |
| US4647401A (en) * | 1983-01-24 | 1987-03-03 | Rhone Poulenc Inc. | Process for preparing colloidal ceric oxide and complexes thereof with free organic acids |
| US4770671A (en) * | 1985-12-30 | 1988-09-13 | Minnesota Mining And Manufacturing Company | Abrasive grits formed of ceramic containing oxides of aluminum and yttrium, method of making and using the same and products made therewith |
| US4801399A (en) * | 1986-02-25 | 1989-01-31 | University Of Florida | Inorganic salts as peptizing agents in the preparation of metal oxide sol-gel compositions |
| JPS62209039A (ja) * | 1986-03-08 | 1987-09-14 | Taki Chem Co Ltd | 塩基性酢酸イツトリウム水溶液及びその製造方法 |
| 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 |
| FR2640611A1 (fr) * | 1988-12-16 | 1990-06-22 | Rhone Poulenc Chimie | Oxyde de terre rare a nouvelles caracteristiques morphologiques et son procede d'obtention |
| 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. |
-
1987
- 1987-09-14 FR FR8712669A patent/FR2620437B1/fr not_active Expired - Lifetime
-
1988
- 1988-09-12 EP EP88402292A patent/EP0308311B1/fr not_active Expired - Lifetime
- 1988-09-12 DE DE8888402292T patent/DE3873233T2/de not_active Expired - Lifetime
- 1988-09-12 ES ES88402292T patent/ES2042786T3/es not_active Expired - Lifetime
- 1988-09-12 AT AT88402292T patent/ATE78798T1/de not_active IP Right Cessation
- 1988-09-13 AU AU22180/88A patent/AU623087B2/en not_active Ceased
- 1988-09-13 CA CA000577276A patent/CA1303940C/fr not_active Expired - Lifetime
- 1988-09-13 BR BR8804714A patent/BR8804714A/pt not_active IP Right Cessation
- 1988-09-14 JP JP63228911A patent/JPH0761864B2/ja not_active Expired - Fee Related
-
1992
- 1992-10-05 GR GR920402218T patent/GR3005887T3/el unknown
-
1993
- 1993-05-03 US US08/055,772 patent/US5716547A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| AU623087B2 (en) | 1992-05-07 |
| GR3005887T3 (pt) | 1993-06-07 |
| FR2620437B1 (fr) | 1990-11-30 |
| ES2042786T3 (es) | 1993-12-16 |
| DE3873233D1 (de) | 1992-09-03 |
| EP0308311B1 (fr) | 1992-07-29 |
| DE3873233T2 (de) | 1992-12-10 |
| JPH01294521A (ja) | 1989-11-28 |
| EP0308311A1 (fr) | 1989-03-22 |
| ATE78798T1 (de) | 1992-08-15 |
| FR2620437A1 (fr) | 1989-03-17 |
| CA1303940C (fr) | 1992-06-23 |
| JPH0761864B2 (ja) | 1995-07-05 |
| US5716547A (en) | 1998-02-10 |
| AU2218088A (en) | 1989-03-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FF | Decision: intention to grant | ||
| FG | Letter patent granted | ||
| B21A | Patent or certificate of addition expired [chapter 21.1 patent gazette] |
Free format text: PATENTE EXTINTA EM 13/09/2003 |