ATE139514T1 - Verfahren zur herstellung von submikronischen aluminateilchen - Google Patents
Verfahren zur herstellung von submikronischen aluminateilchenInfo
- Publication number
- ATE139514T1 ATE139514T1 AT92911245T AT92911245T ATE139514T1 AT E139514 T1 ATE139514 T1 AT E139514T1 AT 92911245 T AT92911245 T AT 92911245T AT 92911245 T AT92911245 T AT 92911245T AT E139514 T1 ATE139514 T1 AT E139514T1
- Authority
- AT
- Austria
- Prior art keywords
- alumina
- anhydrous
- producing
- submicronic
- particle size
- Prior art date
Links
Classifications
-
- 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
- C01F7/021—After-treatment of oxides or hydroxides
-
- 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
-
- 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
- C01F7/44—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water
- C01F7/447—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by wet processes
- C01F7/448—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by wet processes using superatmospheric pressure, e.g. hydrothermal conversion of gibbsite into boehmite
-
- 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
-
- 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
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US69200891A | 1991-04-26 | 1991-04-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE139514T1 true ATE139514T1 (de) | 1996-07-15 |
Family
ID=24778901
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT92911245T ATE139514T1 (de) | 1991-04-26 | 1992-04-24 | Verfahren zur herstellung von submikronischen aluminateilchen |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0536381B1 (de) |
JP (1) | JPH06500068A (de) |
AT (1) | ATE139514T1 (de) |
AU (1) | AU1894092A (de) |
DE (1) | DE69211641T2 (de) |
WO (1) | WO1992019536A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW555696B (en) * | 1998-01-08 | 2003-10-01 | Nissan Chemical Ind Ltd | Alumina powder, process for producing the same and polishing composition |
DE19836821A1 (de) | 1998-08-14 | 2000-02-24 | Rwe Dea Ag | Böhmitische Tonerden und aus diesen erhältliche phasenreine, hochtemperaturstabile und hochporöse Aluminiumoxide |
EP1148028A3 (de) * | 2000-04-17 | 2004-04-14 | Ykk Corporation | Plättchenförmige alpha-Aluminiumoxidteilchen und Verfahren zur deren Herstellung |
US6936236B2 (en) * | 2000-04-27 | 2005-08-30 | Sumitomo Chemical Company, Limited | Method for producing an inorganic oxide powder |
KR101169626B1 (ko) * | 2005-05-12 | 2012-08-03 | 솔베이(소시에떼아노님) | 옥시염소화 촉매 및 상기 촉매를 이용한 방법 |
EP3599221A1 (de) * | 2018-07-27 | 2020-01-29 | SASOL Germany GmbH | Alpha-aluminiumoxid mit hoher reinheit und hoher relativer dichte, verfahren zu dessen herstellung und dessen verwendung |
CN110124339A (zh) * | 2019-06-04 | 2019-08-16 | 衡阳市建衡实业有限公司 | 一种高速离心喷雾干燥机 |
CN112661496A (zh) * | 2020-12-25 | 2021-04-16 | 淄博晨曜陶瓷科技有限公司 | 一种新能源锂电池隔膜涂覆用超细无机粉体 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4117105A (en) * | 1977-03-21 | 1978-09-26 | Pq Corporation | Process for preparing dispersible boehmite alumina |
JPS61132513A (ja) * | 1984-11-28 | 1986-06-20 | Asahi Chem Ind Co Ltd | αアルミナ粉末とその製法 |
USH189H (en) * | 1985-07-16 | 1987-01-06 | Norton Company | Process for production of alpha alumina bodies by sintering seeded boehmite made from alumina hydrates |
US5063033A (en) * | 1987-02-10 | 1991-11-05 | Vereinigte Aluminum-Werke Aktiengesellschaft | Process for the production of boehmite |
AU1177288A (en) * | 1987-02-19 | 1988-08-25 | Keramont Research Corp. | Process for obtaining alpha-alumina powders with submicron median particle size |
US4797139A (en) * | 1987-08-11 | 1989-01-10 | Norton Company | Boehmite produced by a seeded hydyothermal process and ceramic bodies produced therefrom |
-
1992
- 1992-04-24 DE DE69211641T patent/DE69211641T2/de not_active Expired - Lifetime
- 1992-04-24 AT AT92911245T patent/ATE139514T1/de not_active IP Right Cessation
- 1992-04-24 WO PCT/US1992/003483 patent/WO1992019536A1/en active IP Right Grant
- 1992-04-24 JP JP4510924A patent/JPH06500068A/ja active Pending
- 1992-04-24 EP EP92911245A patent/EP0536381B1/de not_active Expired - Lifetime
- 1992-04-24 AU AU18940/92A patent/AU1894092A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
JPH06500068A (ja) | 1994-01-06 |
EP0536381B1 (de) | 1996-06-19 |
EP0536381A4 (de) | 1994-04-20 |
WO1992019536A1 (en) | 1992-11-12 |
DE69211641T2 (de) | 1996-10-10 |
EP0536381A1 (de) | 1993-04-14 |
DE69211641D1 (de) | 1996-07-25 |
AU1894092A (en) | 1992-12-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4117105A (en) | Process for preparing dispersible boehmite alumina | |
KR890003623A (ko) | 미세결정질 베마이트 및 요업체류의 제조 | |
JPS5913446B2 (ja) | 少なくとも部分的に超微細ベ−マイト形態にあるアルミナの製造法 | |
JPH0238525B2 (de) | ||
DE59200406D1 (de) | Verfahren zur Herstellung von gesintertem Material auf Basis von alpha-Aluminiumoxid, insbesondere für Schleifmittel. | |
ATE139514T1 (de) | Verfahren zur herstellung von submikronischen aluminateilchen | |
US5413985A (en) | Partially crystalline, transitional aluminum oxides, methods for their synthesis and use for obtaining molded articles, which consist essentially of gamma Al2 O3 | |
JPS643008A (en) | Production of easily disintegrable alumina | |
US5718879A (en) | Lanthanum-stabilized alumina particulates | |
KR930009924A (ko) | α-산화 알루미늄 분말의 제조방법 | |
JPH0959018A (ja) | アルミナ粒子の製造方法 | |
Sato | Thermal transformation of alumina trihydrate, bayerite | |
US5856265A (en) | Alumina body formation using high pH | |
Satokawa et al. | Effects of acidity on the hydrothermal synthesis of kaolinite from silica-gel and gibbsite | |
Santos et al. | Thermal transformation of synthetic euhedral and fibrillar crystals of boehmite into aluminas | |
JP2000256011A (ja) | ベーマイト及びその製造方法 | |
JPH09286612A (ja) | アルミナ水和物分散液の製造方法 | |
FR2131634A5 (en) | Formed alumina bodies as catalyst carrier - contg calcined particles and smaller uncalcined particles | |
CA1082885A (en) | Dispersible boehmite alumina | |
JPS5969424A (ja) | 低嵩密度アルミナの製造方法 | |
SU1761670A1 (ru) | Способ получени байерита | |
Saito et al. | Effects of calcining conditions of kaolinite on pore structures of mesoporous materials prepared by the selective leaching of calcined kaolinite | |
SU931734A1 (ru) | Способ получени пигментной двуокиси титана рутильной модификации | |
JPS56140026A (en) | Manufacture of superhigh purity alumina | |
JPH11139865A (ja) | 遷移アルミナ成形体の製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |