AU774233B2 - Monolithic alpha-alumina articles having controlled porosity, and sol-gel process for making them - Google Patents
Monolithic alpha-alumina articles having controlled porosity, and sol-gel process for making them Download PDFInfo
- Publication number
- AU774233B2 AU774233B2 AU16254/01A AU1625401A AU774233B2 AU 774233 B2 AU774233 B2 AU 774233B2 AU 16254/01 A AU16254/01 A AU 16254/01A AU 1625401 A AU1625401 A AU 1625401A AU 774233 B2 AU774233 B2 AU 774233B2
- Authority
- AU
- Australia
- Prior art keywords
- alumina
- density
- article
- crack
- alpha
- 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.)
- Ceased
Links
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 238000003980 solgel method Methods 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 33
- 230000008569 process Effects 0.000 claims abstract description 30
- 238000001035 drying Methods 0.000 claims abstract description 27
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 26
- 239000011148 porous material Substances 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 18
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 15
- 239000000758 substrate Substances 0.000 claims abstract description 15
- 239000004809 Teflon Substances 0.000 claims description 28
- 229920006362 Teflon® Polymers 0.000 claims description 28
- 238000005266 casting Methods 0.000 claims description 23
- -1 aluminum alkoxide Chemical class 0.000 claims description 16
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 16
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 16
- 238000005245 sintering Methods 0.000 claims description 16
- 239000011116 polymethylpentene Substances 0.000 claims description 15
- 239000004812 Fluorinated ethylene propylene Substances 0.000 claims description 13
- 229920009441 perflouroethylene propylene Polymers 0.000 claims description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 11
- 239000001301 oxygen Substances 0.000 claims description 11
- 229910052760 oxygen Inorganic materials 0.000 claims description 11
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 229920001774 Perfluoroether Polymers 0.000 claims description 7
- 229920000642 polymer Polymers 0.000 claims description 7
- 239000011347 resin Substances 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 7
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 6
- WOZZOSDBXABUFO-UHFFFAOYSA-N tri(butan-2-yloxy)alumane Chemical compound [Al+3].CCC(C)[O-].CCC(C)[O-].CCC(C)[O-] WOZZOSDBXABUFO-UHFFFAOYSA-N 0.000 claims description 6
- 239000006082 mold release agent Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 4
- 229910017604 nitric acid Inorganic materials 0.000 claims description 4
- 230000000052 comparative effect Effects 0.000 claims 2
- 240000007594 Oryza sativa Species 0.000 claims 1
- 235000007164 Oryza sativa Nutrition 0.000 claims 1
- 235000009566 rice Nutrition 0.000 claims 1
- 238000005336 cracking Methods 0.000 abstract description 7
- 238000009826 distribution Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010304 firing Methods 0.000 abstract 1
- 239000000499 gel Substances 0.000 description 43
- 229920000306 polymethylpentene Polymers 0.000 description 10
- 229910001593 boehmite Inorganic materials 0.000 description 8
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000010899 nucleation Methods 0.000 description 3
- 229940058401 polytetrafluoroethylene Drugs 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229920006356 Teflon™ FEP Polymers 0.000 description 2
- 150000004703 alkoxides Chemical class 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000007596 consolidation process Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000001879 gelation Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000010345 tape casting Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 241000264877 Hippospongia communis Species 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000006061 abrasive grain Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000006098 acoustic absorber Substances 0.000 description 1
- SMZOGRDCAXLAAR-UHFFFAOYSA-N aluminium isopropoxide Chemical compound [Al+3].CC(C)[O-].CC(C)[O-].CC(C)[O-] SMZOGRDCAXLAAR-UHFFFAOYSA-N 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- VXAUWWUXCIMFIM-UHFFFAOYSA-M aluminum;oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Al+3] VXAUWWUXCIMFIM-UHFFFAOYSA-M 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000005297 pyrex Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
-
- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
- C04B35/111—Fine ceramics
-
- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/624—Sol-gel processing
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Organic Chemistry (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Catalysts (AREA)
- Porous Artificial Stone Or Porous Ceramic Products (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/448712 | 1999-11-24 | ||
| US09/448,712 US6383443B1 (en) | 1999-11-24 | 1999-11-24 | Sol-gel process for making monolithic alpha-alumina articles having controlled porosity |
| PCT/US2000/031843 WO2001038252A2 (en) | 1999-11-24 | 2000-11-15 | Monolithic alpha-alumina articles having controlled porosity, and sol-gel process for making them |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU1625401A AU1625401A (en) | 2001-06-04 |
| AU774233B2 true AU774233B2 (en) | 2004-06-17 |
Family
ID=23781380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU16254/01A Ceased AU774233B2 (en) | 1999-11-24 | 2000-11-15 | Monolithic alpha-alumina articles having controlled porosity, and sol-gel process for making them |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6383443B1 (https=) |
| EP (1) | EP1237828B1 (https=) |
| JP (1) | JP2003527277A (https=) |
| AT (1) | ATE261415T1 (https=) |
| AU (1) | AU774233B2 (https=) |
| CA (1) | CA2392136A1 (https=) |
| DE (1) | DE60008920T2 (https=) |
| WO (1) | WO2001038252A2 (https=) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6620458B2 (en) * | 2001-09-27 | 2003-09-16 | The Regents Of The University Of California | Method to produce alumina aerogels having porosities greater than 80 percent |
| KR100479901B1 (ko) * | 2001-11-29 | 2005-03-30 | 한국과학기술연구원 | 졸-겔 공정에 의해 합성된 무기계 결합제를 포함하는 피막접착형 고체 윤활제 조성물 및 그의 제조 방법 |
| SG107103A1 (en) * | 2002-05-24 | 2004-11-29 | Ntu Ventures Private Ltd | Process for producing nanocrystalline composites |
| JP4614767B2 (ja) * | 2002-10-16 | 2011-01-19 | 日本碍子株式会社 | セラミック成形体の製造方法 |
| US7517490B2 (en) | 2002-10-16 | 2009-04-14 | Ngk Insulators, Ltd. | Method of manufacturing ceramic green body |
| US6964756B2 (en) * | 2002-12-10 | 2005-11-15 | Corning Incorporated | Method for treating alumina honeycomb monoliths |
| DE10335224A1 (de) * | 2003-07-30 | 2005-03-24 | Universität Bremen | Verfahren und Schlicker zur Herstellung eines Formkörpers aus keramischem Material, keramischer Formkörper und Verwendung eines solchen Formkörpers |
| JP4511160B2 (ja) * | 2003-11-27 | 2010-07-28 | 日本碍子株式会社 | ガスセンサ |
| US20060286148A1 (en) * | 2005-05-18 | 2006-12-21 | Ppd, Inc. | Method of forming implants |
| US7632773B2 (en) * | 2007-01-04 | 2009-12-15 | Headwaters Technology Innovation, Llc | Methods for manufacturing supported catalyst from a porous support and a nanocatalyst solution |
| ES2317794B1 (es) * | 2007-10-15 | 2010-02-16 | Consejo Superior De Investigaciones Cientificas | Procedimiento de dopaje para la sinterizacion de alfa-alumina y material de alfa-alumina policristalina. |
| US10182895B2 (en) * | 2016-08-22 | 2019-01-22 | Continental Dental Ceramics, Inc. | Process for the fabrication of dental restorations |
| FR3122585A1 (fr) | 2021-05-04 | 2022-11-11 | Universite Claude Bernard Lyon 1 | Solide mésoporeux pour réguler l’humidité dans les espaces clos |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4045412A (en) * | 1974-07-16 | 1977-08-30 | Fujitsu Limited | Alumina substrate and method of manufacturing same |
| US4681615A (en) * | 1982-12-23 | 1987-07-21 | Seiko Epson Kabushiki Kaisha | Silica glass formation process |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3941719A (en) | 1972-08-17 | 1976-03-02 | Owens-Illinois, Inc. | Transparent activated nonparticulate alumina and method of preparing same |
| US4472510A (en) * | 1982-12-23 | 1984-09-18 | Dow Corning Corporation | Carbon-containing monolithic glasses and ceramics prepared by a sol-gel process |
| US5204300A (en) * | 1984-07-18 | 1993-04-20 | Kawasaki Steel Corporation | Methods of seeding sintered objects |
| JPS63151663A (ja) * | 1986-12-12 | 1988-06-24 | セイコーエプソン株式会社 | アルミナを主成分とする成形体の製造方法 |
| JPH085729B2 (ja) * | 1986-12-27 | 1996-01-24 | 新日本製鐵株式会社 | セラミツクス前駆体成形体の製造方法 |
| JPH03153565A (ja) * | 1989-11-10 | 1991-07-01 | Showa Denko Kk | アルミナ焼結体の製造方法 |
| US5076980A (en) * | 1990-08-01 | 1991-12-31 | Geltech, Inc. | Method of making sol-gel monoliths |
-
1999
- 1999-11-24 US US09/448,712 patent/US6383443B1/en not_active Expired - Fee Related
-
2000
- 2000-11-15 AU AU16254/01A patent/AU774233B2/en not_active Ceased
- 2000-11-15 EP EP00978836A patent/EP1237828B1/en not_active Expired - Lifetime
- 2000-11-15 AT AT00978836T patent/ATE261415T1/de not_active IP Right Cessation
- 2000-11-15 JP JP2001539812A patent/JP2003527277A/ja not_active Abandoned
- 2000-11-15 CA CA002392136A patent/CA2392136A1/en not_active Abandoned
- 2000-11-15 WO PCT/US2000/031843 patent/WO2001038252A2/en not_active Ceased
- 2000-11-15 DE DE60008920T patent/DE60008920T2/de not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4045412A (en) * | 1974-07-16 | 1977-08-30 | Fujitsu Limited | Alumina substrate and method of manufacturing same |
| US4681615A (en) * | 1982-12-23 | 1987-07-21 | Seiko Epson Kabushiki Kaisha | Silica glass formation process |
Also Published As
| Publication number | Publication date |
|---|---|
| US6383443B1 (en) | 2002-05-07 |
| JP2003527277A (ja) | 2003-09-16 |
| CA2392136A1 (en) | 2001-05-31 |
| DE60008920T2 (de) | 2004-07-29 |
| WO2001038252A2 (en) | 2001-05-31 |
| EP1237828B1 (en) | 2004-03-10 |
| EP1237828A2 (en) | 2002-09-11 |
| AU1625401A (en) | 2001-06-04 |
| WO2001038252A3 (en) | 2002-02-21 |
| ATE261415T1 (de) | 2004-03-15 |
| DE60008920D1 (de) | 2004-04-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FGA | Letters patent sealed or granted (standard patent) |