IL109236A - A-alumina powder and its production - Google Patents
A-alumina powder and its productionInfo
- Publication number
- IL109236A IL109236A IL10923694A IL10923694A IL109236A IL 109236 A IL109236 A IL 109236A IL 10923694 A IL10923694 A IL 10923694A IL 10923694 A IL10923694 A IL 10923694A IL 109236 A IL109236 A IL 109236A
- Authority
- IL
- Israel
- Prior art keywords
- compound
- alumina
- alumina powder
- shape
- powder
- 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
- C01F7/30—Preparation of aluminium oxide or hydroxide by thermal decomposition or by hydrolysis or oxidation of aluminium compounds
- C01F7/32—Thermal decomposition of sulfates including complex sulfates, e.g. alums
-
- 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
- C01F7/441—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by calcination
- C01F7/442—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by calcination in presence of a calcination additive
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/04—Particle morphology depicted by an image obtained by TEM, STEM, STM or AFM
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/30—Particle morphology extending in three dimensions
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/30—Particle morphology extending in three dimensions
- C01P2004/32—Spheres
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/30—Particle morphology extending in three dimensions
- C01P2004/40—Particle morphology extending in three dimensions prism-like
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/30—Particle morphology extending in three dimensions
- C01P2004/42—(bi)pyramid-like
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/51—Particles with a specific particle size distribution
- C01P2004/52—Particles with a specific particle size distribution highly monodisperse size distribution
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/54—Particles characterised by their aspect ratio, i.e. the ratio of sizes in the longest to the shortest dimension
-
- 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
- C01P2006/11—Powder tap density
-
- 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
- C01P2006/21—Attrition-index or crushing strength of granulates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (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 (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11097293 | 1993-04-13 | ||
JP11097193 | 1993-04-13 | ||
JP18891493 | 1993-06-30 | ||
JP18891293 | 1993-06-30 | ||
JP19427793 | 1993-07-08 | ||
JP31413193 | 1993-11-19 | ||
JP33875893 | 1993-12-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
IL109236A0 IL109236A0 (en) | 1994-07-31 |
IL109236A true IL109236A (en) | 1998-01-04 |
Family
ID=27565776
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL10923694A IL109236A (en) | 1993-04-13 | 1994-04-06 | A-alumina powder and its production |
Country Status (8)
Country | Link |
---|---|
US (2) | US5935550A (ru) |
EP (1) | EP0620188B1 (ru) |
CN (1) | CN1069290C (ru) |
AU (1) | AU679489B2 (ru) |
CA (1) | CA2121198A1 (ru) |
DE (1) | DE69419342T2 (ru) |
IL (1) | IL109236A (ru) |
RU (1) | RU2118612C1 (ru) |
Families Citing this family (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0679611B1 (en) * | 1994-04-28 | 1999-07-28 | Sumitomo Chemical Company Limited | Method for producing alpha-alumina powder |
EP0714850B1 (en) * | 1994-11-30 | 1999-07-28 | Sumitomo Chemical Company, Limited | Method for producing double metal oxide powder |
AUPN053395A0 (en) * | 1995-01-12 | 1995-02-09 | Alcoa Of Australia Limited | Production of alpha alumina |
CN1294081C (zh) * | 1999-12-27 | 2007-01-10 | 昭和电工株式会社 | 氧化铝粒子、其制造方法、含有该粒子的组合物和研磨用氧化铝料浆 |
US7067105B2 (en) * | 1999-12-27 | 2006-06-27 | Showa Denko K.K. | Alumina particles, production process thereof, composition comprising the particles and alumina slurry for polishing |
TW504497B (en) | 2000-05-23 | 2002-10-01 | Sumitomo Chemical Co | Alpha-alumina powder and heat-conductive sheet containing the same |
JP4122746B2 (ja) * | 2001-05-21 | 2008-07-23 | 住友化学株式会社 | 微粒αアルミナ粉末の製造方法 |
EP1488026B1 (en) * | 2002-03-22 | 2010-03-10 | Holofiber, LLC | Method for enhancing the muscle performance |
JP2004123445A (ja) * | 2002-10-02 | 2004-04-22 | Sumitomo Chem Co Ltd | αアルミナ粉末およびその製造方法 |
TW200422258A (en) * | 2003-02-26 | 2004-11-01 | Sumitomo Chemical Co | Method for producing α-alumina powder |
TWI348457B (en) * | 2003-03-04 | 2011-09-11 | Sumitomo Chemical Co | Method for producing 帢-alumina particulate |
TW200540116A (en) * | 2004-03-16 | 2005-12-16 | Sumitomo Chemical Co | Method for producing an α-alumina powder |
TWI367864B (en) * | 2004-03-17 | 2012-07-11 | Sumitomo Chemical Co | A method for producing an α-alumina particle |
JP4487689B2 (ja) * | 2004-08-26 | 2010-06-23 | 日産自動車株式会社 | アルミナ粒子、アルミナ粒子の製造方法、樹脂組成物、及び樹脂組成物の製造方法 |
RU2007111952A (ru) * | 2004-09-01 | 2008-10-10 | Шелл Интернэшнл Рисерч Маатсхаппий Б.В. (NL) | Способ эпоксидирования олефинов, катализатор для применения в данном способе, носитель для использования при получении катализатора и способ получения носителя |
US8536083B2 (en) | 2004-09-01 | 2013-09-17 | Shell Oil Company | Olefin epoxidation process, a catalyst for use in the process, a carrier for use in preparing the catalyst, and a process for preparing the carrier |
JP4940556B2 (ja) | 2004-09-07 | 2012-05-30 | 日産自動車株式会社 | 樹脂組成物 |
US7935382B2 (en) * | 2005-12-20 | 2011-05-03 | Momentive Performance Materials, Inc. | Method for making crystalline composition |
US20100056816A1 (en) * | 2006-11-01 | 2010-03-04 | Wallin Sten A | Shaped porous bodies of alpha-alumina and methods for the preparation thereof |
WO2008089177A2 (en) * | 2007-01-15 | 2008-07-24 | Saint-Gobain Ceramics & Plastics, Inc. | Ceramic particulate material and processes for forming same |
JP2008311221A (ja) * | 2007-05-14 | 2008-12-25 | Sumitomo Chemical Co Ltd | 積層多孔質フィルム |
JP5109789B2 (ja) * | 2007-05-14 | 2012-12-26 | 住友化学株式会社 | 多孔質フィルムの製造方法 |
US7714152B2 (en) * | 2007-08-30 | 2010-05-11 | Sd Lizenzverwertungsgesellschaft Mbh & Co. Kg | Carrier for olefin oxide catalyst |
US8157912B2 (en) * | 2007-09-11 | 2012-04-17 | Osram Sylvania Inc. | Method of converting PCA to sapphire and converted article |
FR2943333B1 (fr) * | 2009-03-20 | 2011-08-05 | Baikowski | Alumine, luminophores et composes mixtes ainsi que procedes de preparation associes |
US20110028770A1 (en) * | 2009-08-03 | 2011-02-03 | Honeywell International Inc. | Hydrogenation catalyst |
WO2012127765A1 (ja) | 2011-03-23 | 2012-09-27 | 大明化学工業株式会社 | アルミナコンポジット、アルミナコンポジットの製造方法、およびアルミナコンポジット含有高分子組成物 |
US10252945B2 (en) | 2012-09-26 | 2019-04-09 | Multiple Energy Technologies Llc | Bioceramic compositions |
WO2014051091A1 (ja) | 2012-09-28 | 2014-04-03 | Dic株式会社 | α-アルミナ微粒子及びその製造方法 |
CA2946898A1 (en) | 2014-05-05 | 2015-11-12 | Multiple Energy Technologies Llc | Bioceramic compositions and biomodulatory uses thereof |
CN104528787B (zh) * | 2014-12-19 | 2016-01-20 | 贵州天合国润高新材料科技有限公司 | 一种制备细粒径氧化铝粉末的方法 |
KR102070215B1 (ko) | 2015-09-16 | 2020-01-29 | 다이니치 세이카 고교 가부시키가이샤 | 알루미나계 열 전도성 산화물 및 그의 제조 방법 |
PL3458509T3 (pl) | 2016-05-16 | 2022-11-28 | Martinswerk Gmbh | Produkt w postaci tlenku glinu i jego zastosowanie w kompozycjach polimerowych o wysokiej przewodności cieplnej |
CN107540006A (zh) * | 2016-06-29 | 2018-01-05 | 中国科学院大连化学物理研究所 | 一种微米尺寸的八面体氧化铝的制备方法 |
JP6607325B2 (ja) * | 2016-12-22 | 2019-11-20 | Dic株式会社 | α−アルミナ粒子の製造方法および樹脂組成物の製造方法 |
FR3067617B1 (fr) * | 2017-06-20 | 2019-07-19 | Arkema France | Catalyseur a base d'alumine alpha et procede d'hydrogenation d'une olefine en presence de celui-ci. |
KR102179722B1 (ko) * | 2017-12-19 | 2020-11-17 | 쇼와 덴코 가부시키가이샤 | 전융 알루미나립, 전융 알루미나립의 제조 방법, 숫돌 및 연마포지 |
CN109835929B (zh) * | 2019-04-15 | 2021-03-23 | 郑州鑫发材料科技有限公司 | 一种用匣钵煅烧制备片状α-氧化铝粉体的方法 |
CN112708928B (zh) * | 2019-10-25 | 2021-10-08 | 中国石油化工股份有限公司 | 一种氧化铝晶粒及其制备方法 |
CN112978771B (zh) * | 2019-12-02 | 2023-01-10 | 中国石油化工股份有限公司 | 一种高比表面γ-氧化铝八面体颗粒及其制备方法 |
CN112978776B (zh) * | 2019-12-02 | 2023-01-10 | 中国石油化工股份有限公司 | 一种γ-氧化铝八面体颗粒及其制备方法 |
CN112897996B (zh) * | 2021-01-27 | 2023-02-03 | 中铝山东有限公司 | 一种原晶粒集中的α氧化铝的制备方法及粒径的控制方法 |
CN113184886B (zh) * | 2021-04-14 | 2023-01-31 | 雅安百图高新材料股份有限公司 | 一种高导热球形氧化铝的制备方法及产品 |
CN114656246B (zh) * | 2022-04-01 | 2022-12-06 | 广东工业大学 | 一种正八面体α氧化铝及其制备方法和应用 |
CN115895453B (zh) * | 2022-11-10 | 2023-09-08 | 湖北五方光电股份有限公司 | 一种红外截止滤光片用抛光液及其制备方法和应用 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1159418B (de) * | 1961-04-01 | 1963-12-19 | Vaw Ver Aluminium Werke Ag | Verfahren zur Calcination von Aluminiumhydroxid |
US3175883A (en) * | 1961-06-05 | 1965-03-30 | Aluminium Lab Ltd | Process for reducing the soda content of alumina |
GB1046582A (en) * | 1964-03-04 | 1966-10-26 | Gen Motors Ltd | Improved method of producing alumina |
AT266780B (de) * | 1967-05-19 | 1968-11-25 | Giulini Gmbh Geb | Verfahren zur Herstellung von natriumoxydarmem α-Aluminiumoxyd |
JPS5037806A (ru) * | 1973-06-27 | 1975-04-08 | ||
US4193768A (en) * | 1975-07-28 | 1980-03-18 | Showa Denko K. K. | Method for preparing corundum particles |
DE2623482C2 (de) * | 1976-05-26 | 1985-06-27 | Alcoa Chemie GmbH, 6700 Ludwigshafen | Verfahren zur Herstellung eines kristallinen Aluminiumoxids für Polier-, Läpp- und Schleifmittel |
DE2850064B1 (de) * | 1978-11-18 | 1980-05-08 | Giulini Chemie | Hexagonale tafelfoermige alpha-Aluminiumoxid-Einkristalle und Verfahren zu ihrer Herstellung |
HU185474B (en) * | 1981-11-10 | 1985-02-28 | Almasfuezitoei Timfoeldgyar | Process for preparing alpha-aluminium oxyde poor in alkali for ceramic purposes |
ATE26819T1 (de) * | 1982-08-24 | 1987-05-15 | Alusuisse | Verfahren zur herstellung von kristalliner tonerde. |
US4657754A (en) * | 1985-11-21 | 1987-04-14 | Norton Company | Aluminum oxide powders and process |
US5340781A (en) * | 1986-07-14 | 1994-08-23 | Showa Denko Kabushiki Kaisha | Spherical corundum particles, process for preparation thereof and rubber or plastic composition having high thermal conductivity and having spherical corundum paticles incorporated therein |
US4847064A (en) * | 1987-12-23 | 1989-07-11 | Aluminum Company Of America | Economical process for alpha alumina production |
DE3870637D1 (de) * | 1987-01-29 | 1992-06-11 | Sumitomo Chemical Co | Verfahren zur herstellung von aluminiumoxid. |
US4822592A (en) * | 1987-02-05 | 1989-04-18 | Aluminum Company Of America | Producing alpha alumina particles with pressurized acidic steam |
US4806198A (en) * | 1987-11-02 | 1989-02-21 | Cornell Research Foundation, Inc. | Producing alpha-alumina whiskers |
US5149520A (en) * | 1987-12-23 | 1992-09-22 | Aluminum Company Of America | Small sized alpha alumina particles and platelets |
BR9306463A (pt) * | 1992-06-02 | 1998-06-30 | Sumitomo Chemical Co | Alfa alumina |
JP3744010B2 (ja) * | 1993-06-30 | 2006-02-08 | 住友化学株式会社 | α−アルミナ粉末の製造方法 |
HU215748B (hu) * | 1993-07-27 | 1999-02-01 | Sumitomo Chemical Co. | Alumínium-oxid kompozíció, öntött alumínium-oxid termék, alumínium-oxid kerámia, eljárás a kerámia előállítására és alumínium-oxid részecskék alkalmazása oxidkerámiákhoz |
US5549746A (en) * | 1993-09-24 | 1996-08-27 | General Electric Company | Solid state thermal conversion of polycrystalline alumina to sapphire using a seed crystal |
-
1994
- 1994-04-06 IL IL10923694A patent/IL109236A/en not_active IP Right Cessation
- 1994-04-12 RU RU94012560A patent/RU2118612C1/ru active
- 1994-04-12 AU AU59410/94A patent/AU679489B2/en not_active Ceased
- 1994-04-13 CA CA002121198A patent/CA2121198A1/en not_active Abandoned
- 1994-04-13 DE DE69419342T patent/DE69419342T2/de not_active Expired - Lifetime
- 1994-04-13 CN CN94105290A patent/CN1069290C/zh not_active Expired - Lifetime
- 1994-04-13 EP EP94302622A patent/EP0620188B1/en not_active Expired - Lifetime
-
1996
- 1996-02-26 US US08/606,679 patent/US5935550A/en not_active Expired - Lifetime
-
1999
- 1999-04-06 US US09/286,255 patent/US6159441A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5935550A (en) | 1999-08-10 |
RU2118612C1 (ru) | 1998-09-10 |
IL109236A0 (en) | 1994-07-31 |
DE69419342D1 (de) | 1999-08-12 |
US6159441A (en) | 2000-12-12 |
EP0620188B1 (en) | 1999-07-07 |
DE69419342T2 (de) | 1999-12-16 |
CA2121198A1 (en) | 1994-10-14 |
EP0620188A3 (en) | 1995-09-20 |
AU5941094A (en) | 1994-10-20 |
EP0620188A2 (en) | 1994-10-19 |
AU679489B2 (en) | 1997-07-03 |
CN1069290C (zh) | 2001-08-08 |
CN1095360A (zh) | 1994-11-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FF | Patent granted | ||
KB | Patent renewed | ||
KB | Patent renewed | ||
MM9K | Patent not in force due to non-payment of renewal fees |