GB1022944A - Colloidal alumina monohydrate - Google Patents
Colloidal alumina monohydrateInfo
- Publication number
- GB1022944A GB1022944A GB24250/64A GB2425064A GB1022944A GB 1022944 A GB1022944 A GB 1022944A GB 24250/64 A GB24250/64 A GB 24250/64A GB 2425064 A GB2425064 A GB 2425064A GB 1022944 A GB1022944 A GB 1022944A
- Authority
- GB
- United Kingdom
- Prior art keywords
- alumina
- alcoholate
- hydrolysis
- water
- particles
- 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
Links
Classifications
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- 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
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L29/00—Foods or foodstuffs containing additives; Preparation or treatment thereof
- A23L29/015—Inorganic compounds
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L29/00—Foods or foodstuffs containing additives; Preparation or treatment thereof
- A23L29/20—Foods or foodstuffs containing additives; Preparation or treatment thereof containing gelling or thickening agents
- A23L29/294—Inorganic additives, e.g. silica
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- 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/02—Boron or aluminium; Oxides or hydroxides thereof
- B01J21/04—Alumina
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- C—CHEMISTRY; METALLURGY
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- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
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- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/34—Preparation of aluminium hydroxide by precipitation from solutions containing aluminium salts
- C01F7/36—Preparation of aluminium hydroxide by precipitation from solutions containing aluminium salts from organic aluminium salts
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/30—Oxides other than silica
- C04B14/303—Alumina
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
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- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
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- Medicinal Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Colloidal size particles of a -alumina monohydrate of boeharite structure and which contain only trace amounts of inorganic impurities are obtained by hydrolysis, with water of an aluminium alcoholate followed by contacting the resultant alumina with at least one weight per cent based on the alumina of an acid (e.g. acetic) for 1 minute to 8 hours. The alumina may be separated from at least a portion of the alcohol resulting from hydrolysis before acid contacting. The alcoholate may be prepared by oxidation of an aluminium alkyl having a C2 to C10 alkyl group. The aluminium alcoholate may be hydrolysed in the presence of water and an organic solvent of low solubility in water (e.g. butanol); in this way an aqueous phase containing alumina may be separated from the alcohol hydrolysis product. Heating at 150-300 DEG for 1 minute to 8 hours may be applied at this stage and mechanical agitation (e.g. stirring or ball-milling) may be applied. The aluminia obtained by hydrolysis of the alcoholate may be dried to an alumina content of at least 50 weight per cent before acid treatment. The particles of a -alumina monohydrate may be recovered by spray drying. The particles may be in fibrous form when stirring is applied at the acidification stage and in the form of platelets when ball-milling is used.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US31018263A | 1963-07-11 | 1963-07-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1022944A true GB1022944A (en) | 1966-03-16 |
Family
ID=23201340
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB24250/64A Expired GB1022944A (en) | 1963-07-11 | 1964-06-11 | Colloidal alumina monohydrate |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS4944877B1 (en) |
BE (1) | BE670286A (en) |
CH (1) | CH448982A (en) |
DE (1) | DE1467260B2 (en) |
GB (1) | GB1022944A (en) |
NL (1) | NL6407784A (en) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0728157A1 (en) * | 1993-10-21 | 1996-08-28 | CONDEA Vista Company | Alumina thickened latex formulations |
EP1580223A1 (en) * | 2004-02-25 | 2005-09-28 | SASOL Germany GmbH | Polymers including boehmite fillers |
WO2006101305A1 (en) * | 2005-03-23 | 2006-09-28 | Korea Research Institute Of Chemical Technology | Method of preparing boehmite and gamma-alumina with high surface area |
WO2009051905A2 (en) * | 2007-10-12 | 2009-04-23 | Dow Corning Corporation | Aluminum oxide dispersion and method of preparing same |
US7863369B2 (en) | 2005-11-08 | 2011-01-04 | Saint-Gobain Ceramics & Plastics, Inc. | Pigments and polymer composites formed thereof |
US8088355B2 (en) | 2004-11-18 | 2012-01-03 | Saint-Gobain Ceramics & Plastics, Inc. | Transitional alumina particulate materials having controlled morphology and processing for forming same |
US8173099B2 (en) | 2007-12-19 | 2012-05-08 | Saint-Gobain Ceramics & Plastics, Inc. | Method of forming a porous aluminous material |
US8394880B2 (en) | 2002-04-19 | 2013-03-12 | Saint-Gobain Ceramics & Plastics, Inc. | Flame retardant composites |
US8460768B2 (en) | 2008-12-17 | 2013-06-11 | Saint-Gobain Ceramics & Plastics, Inc. | Applications of shaped nano alumina hydrate in inkjet paper |
US8575255B2 (en) | 2007-10-19 | 2013-11-05 | Saint-Gobain Ceramics & Plastics, Inc. | Applications of shaped nano alumina hydrate as barrier property enhancer in polymers |
CN115353134A (en) * | 2022-09-02 | 2022-11-18 | 宁波大浦新材料科技有限公司 | Preparation method of high-purity large-grain boehmite |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4010247A (en) * | 1974-02-21 | 1977-03-01 | Condea Petrochemie-Gesellschaft M.B.H. | Method for making water dispersible aluminum hydroxide |
JP3342705B2 (en) * | 1991-07-31 | 2002-11-11 | 旭硝子株式会社 | Coating solution for recording sheet |
AU2645897A (en) * | 1996-04-29 | 1997-11-19 | Sippel, Roy Joseph | Salt of boehmite alumina |
AU7067998A (en) * | 1997-04-23 | 1998-11-13 | Sippel, Roy Joseph | Salt of boehmite alumina |
WO2023054327A1 (en) * | 2021-09-30 | 2023-04-06 | ヤマハ株式会社 | Inorganic compound powder, method for producing inorganic compound powder, metal oxide molded article, and method for producing metal oxide molded article |
-
1964
- 1964-06-11 GB GB24250/64A patent/GB1022944A/en not_active Expired
- 1964-06-12 DE DE19641467260 patent/DE1467260B2/en active Pending
- 1964-06-26 CH CH837464A patent/CH448982A/en unknown
- 1964-07-09 NL NL6407784A patent/NL6407784A/xx unknown
- 1964-07-11 JP JP39039692A patent/JPS4944877B1/ja active Pending
-
1965
- 1965-09-25 BE BE670286D patent/BE670286A/xx unknown
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0728157A4 (en) * | 1993-10-21 | 1997-08-20 | Condea Vista Co | Alumina thickened latex formulations |
EP0728157A1 (en) * | 1993-10-21 | 1996-08-28 | CONDEA Vista Company | Alumina thickened latex formulations |
US8394880B2 (en) | 2002-04-19 | 2013-03-12 | Saint-Gobain Ceramics & Plastics, Inc. | Flame retardant composites |
EP1580223A1 (en) * | 2004-02-25 | 2005-09-28 | SASOL Germany GmbH | Polymers including boehmite fillers |
US8088355B2 (en) | 2004-11-18 | 2012-01-03 | Saint-Gobain Ceramics & Plastics, Inc. | Transitional alumina particulate materials having controlled morphology and processing for forming same |
WO2006101305A1 (en) * | 2005-03-23 | 2006-09-28 | Korea Research Institute Of Chemical Technology | Method of preparing boehmite and gamma-alumina with high surface area |
US7863369B2 (en) | 2005-11-08 | 2011-01-04 | Saint-Gobain Ceramics & Plastics, Inc. | Pigments and polymer composites formed thereof |
CN101821200B (en) * | 2007-10-12 | 2013-09-11 | 陶氏康宁公司 | Aluminum oxide dispersion and method of preparing same |
US8242181B2 (en) | 2007-10-12 | 2012-08-14 | Dow Corning Corporation | Aluminum oxide dispersion and method of preparing same |
WO2009051905A3 (en) * | 2007-10-12 | 2009-09-11 | Dow Corning Corporation | Aluminum oxide dispersion and method of preparing same |
WO2009051905A2 (en) * | 2007-10-12 | 2009-04-23 | Dow Corning Corporation | Aluminum oxide dispersion and method of preparing same |
US8575255B2 (en) | 2007-10-19 | 2013-11-05 | Saint-Gobain Ceramics & Plastics, Inc. | Applications of shaped nano alumina hydrate as barrier property enhancer in polymers |
US8173099B2 (en) | 2007-12-19 | 2012-05-08 | Saint-Gobain Ceramics & Plastics, Inc. | Method of forming a porous aluminous material |
US8460768B2 (en) | 2008-12-17 | 2013-06-11 | Saint-Gobain Ceramics & Plastics, Inc. | Applications of shaped nano alumina hydrate in inkjet paper |
CN115353134A (en) * | 2022-09-02 | 2022-11-18 | 宁波大浦新材料科技有限公司 | Preparation method of high-purity large-grain boehmite |
CN115353134B (en) * | 2022-09-02 | 2023-10-24 | 宁波大浦新材料科技有限公司 | Preparation method of high-purity large-grain boehmite |
Also Published As
Publication number | Publication date |
---|---|
DE1467260B2 (en) | 1971-06-16 |
DE1467260A1 (en) | 1969-03-13 |
JPS4944877B1 (en) | 1974-11-30 |
NL6407784A (en) | 1965-01-12 |
BE670286A (en) | 1966-01-17 |
CH448982A (en) | 1967-12-31 |
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