GB802731A - Improvements in or relating to ª‡-aluminium oxide - Google Patents
Improvements in or relating to ª‡-aluminium oxideInfo
- Publication number
- GB802731A GB802731A GB29295/54A GB2929554A GB802731A GB 802731 A GB802731 A GB 802731A GB 29295/54 A GB29295/54 A GB 29295/54A GB 2929554 A GB2929554 A GB 2929554A GB 802731 A GB802731 A GB 802731A
- Authority
- GB
- United Kingdom
- Prior art keywords
- per cent
- heated
- alkali metal
- weight
- aluminium
- 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
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title abstract 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 10
- 239000000843 powder Substances 0.000 abstract 8
- 238000000576 coating method Methods 0.000 abstract 7
- 239000011248 coating agent Substances 0.000 abstract 6
- 229910000272 alkali metal oxide Inorganic materials 0.000 abstract 5
- 239000000377 silicon dioxide Substances 0.000 abstract 5
- 239000000243 solution Substances 0.000 abstract 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract 4
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 abstract 4
- 239000011521 glass Substances 0.000 abstract 4
- 239000000203 mixture Substances 0.000 abstract 4
- 239000000047 product Substances 0.000 abstract 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract 3
- 229910052783 alkali metal Inorganic materials 0.000 abstract 3
- 150000001340 alkali metals Chemical class 0.000 abstract 3
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium chloride Substances Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 abstract 3
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 abstract 3
- 239000000292 calcium oxide Substances 0.000 abstract 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 abstract 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 abstract 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 abstract 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 abstract 2
- 239000004411 aluminium Substances 0.000 abstract 2
- 229910052782 aluminium Inorganic materials 0.000 abstract 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 2
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 abstract 2
- 229910021502 aluminium hydroxide Inorganic materials 0.000 abstract 2
- 239000001164 aluminium sulphate Substances 0.000 abstract 2
- 235000011128 aluminium sulphate Nutrition 0.000 abstract 2
- 229910021529 ammonia Inorganic materials 0.000 abstract 2
- 239000000919 ceramic Substances 0.000 abstract 2
- 238000002485 combustion reaction Methods 0.000 abstract 2
- BUACSMWVFUNQET-UHFFFAOYSA-H dialuminum;trisulfate;hydrate Chemical compound O.[Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O BUACSMWVFUNQET-UHFFFAOYSA-H 0.000 abstract 2
- 238000001962 electrophoresis Methods 0.000 abstract 2
- 239000002244 precipitate Substances 0.000 abstract 2
- 229910052708 sodium Inorganic materials 0.000 abstract 2
- 239000011734 sodium Substances 0.000 abstract 2
- 239000011780 sodium chloride Substances 0.000 abstract 2
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 abstract 2
- 229910001948 sodium oxide Inorganic materials 0.000 abstract 2
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 abstract 1
- RJDLJFWIJYGWQD-UHFFFAOYSA-N CC(=O)C.C(CCCC)CC(=O)O Chemical compound CC(=O)C.C(CCCC)CC(=O)O RJDLJFWIJYGWQD-UHFFFAOYSA-N 0.000 abstract 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 abstract 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 abstract 1
- 229910002651 NO3 Inorganic materials 0.000 abstract 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 abstract 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 abstract 1
- 239000003513 alkali Substances 0.000 abstract 1
- 159000000013 aluminium salts Chemical class 0.000 abstract 1
- 229910000329 aluminium sulfate Inorganic materials 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 229910052790 beryllium Inorganic materials 0.000 abstract 1
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 abstract 1
- 239000011230 binding agent Substances 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000010304 firing Methods 0.000 abstract 1
- 239000005337 ground glass Substances 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 235000012245 magnesium oxide Nutrition 0.000 abstract 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical class [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 229910017604 nitric acid Inorganic materials 0.000 abstract 1
- 239000000725 suspension Substances 0.000 abstract 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract 1
- 229910052721 tungsten Inorganic materials 0.000 abstract 1
- 239000010937 tungsten Substances 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
- H01B3/10—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances metallic oxides
-
- 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
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/46—Purification of aluminium oxide, aluminium hydroxide or aluminates
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
- H01B3/025—Other inorganic material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
- H01J1/22—Heaters
-
- 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
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Glass Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HU802731X | 1953-10-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB802731A true GB802731A (en) | 1958-10-08 |
Family
ID=10980377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB29295/54A Expired GB802731A (en) | 1953-10-10 | 1954-10-11 | Improvements in or relating to ª‡-aluminium oxide |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE1071566B (enExample) |
| FR (1) | FR1115587A (enExample) |
| GB (1) | GB802731A (enExample) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4822592A (en) * | 1987-02-05 | 1989-04-18 | Aluminum Company Of America | Producing alpha alumina particles with pressurized acidic steam |
| EP0624550A1 (en) * | 1993-05-11 | 1994-11-17 | Exxon Research And Engineering Company | Heat transfer solids for high temperature fluidized bed reactions |
| GB2306873A (en) * | 1995-10-26 | 1997-05-07 | Strix Ltd | Insulating heater substrate by electrostatic deposition |
| EP0924738A1 (en) * | 1997-12-19 | 1999-06-23 | Matsushita Electronics Corporation | Methods of manufacturing heater and cathode-ray tube comprising the same |
| US6242854B1 (en) | 1998-01-20 | 2001-06-05 | Matsushita Electronics Corporation | Indirectly heated cathode for a CRT having high purity alumina insulating layer with limited amounts of Na OR Si |
| EP2119672A4 (en) * | 2006-12-15 | 2013-08-14 | Nippon Light Metal Co | PROCESS FOR THE PRODUCTION OF HIGH-PURITY ALUMINUM OXIDE |
| US20150368117A1 (en) * | 2012-12-17 | 2015-12-24 | Polar Sapphire Ltd. | Process for making high purity aluminum oxide |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD202311A5 (de) * | 1980-10-09 | 1983-09-07 | Vasipari Kutato Intezet | Pulvermetallurgisches material und daraus hergestelltes werkzeug |
-
0
- DE DENDAT1071566D patent/DE1071566B/de active Pending
-
1954
- 1954-10-09 FR FR1115587D patent/FR1115587A/fr not_active Expired
- 1954-10-11 GB GB29295/54A patent/GB802731A/en not_active Expired
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4822592A (en) * | 1987-02-05 | 1989-04-18 | Aluminum Company Of America | Producing alpha alumina particles with pressurized acidic steam |
| EP0624550A1 (en) * | 1993-05-11 | 1994-11-17 | Exxon Research And Engineering Company | Heat transfer solids for high temperature fluidized bed reactions |
| GB2306873A (en) * | 1995-10-26 | 1997-05-07 | Strix Ltd | Insulating heater substrate by electrostatic deposition |
| GB2306873B (en) * | 1995-10-26 | 2000-06-21 | Strix Ltd | Manufacture of heaters |
| EP0924738A1 (en) * | 1997-12-19 | 1999-06-23 | Matsushita Electronics Corporation | Methods of manufacturing heater and cathode-ray tube comprising the same |
| US6294065B1 (en) | 1997-12-19 | 2001-09-25 | Matsushita Electric Industrial Co., Ltd. | Methods of manufacturing heater and cathode-ray tube comprising the same |
| US6242854B1 (en) | 1998-01-20 | 2001-06-05 | Matsushita Electronics Corporation | Indirectly heated cathode for a CRT having high purity alumina insulating layer with limited amounts of Na OR Si |
| EP2119672A4 (en) * | 2006-12-15 | 2013-08-14 | Nippon Light Metal Co | PROCESS FOR THE PRODUCTION OF HIGH-PURITY ALUMINUM OXIDE |
| US20150368117A1 (en) * | 2012-12-17 | 2015-12-24 | Polar Sapphire Ltd. | Process for making high purity aluminum oxide |
| US9751775B2 (en) * | 2012-12-17 | 2017-09-05 | Polar Sapphire Ltd. | Process for making high purity aluminum oxide |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1071566B (enExample) | |
| FR1115587A (fr) | 1956-04-26 |
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