DE69405485T2 - Verfahren zur Herstellung von Alpha-Alumiumoxidpulver - Google Patents

Verfahren zur Herstellung von Alpha-Alumiumoxidpulver

Info

Publication number
DE69405485T2
DE69405485T2 DE69405485T DE69405485T DE69405485T2 DE 69405485 T2 DE69405485 T2 DE 69405485T2 DE 69405485 T DE69405485 T DE 69405485T DE 69405485 T DE69405485 T DE 69405485T DE 69405485 T2 DE69405485 T2 DE 69405485T2
Authority
DE
Germany
Prior art keywords
alumina powder
alpha alumina
producing alpha
producing
powder
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 - Fee Related
Application number
DE69405485T
Other languages
English (en)
Other versions
DE69405485D1 (de
Inventor
Masahide Mohri
Yoshio Uchida
Yoshinari Sawabe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Publication of DE69405485D1 publication Critical patent/DE69405485D1/de
Application granted granted Critical
Publication of DE69405485T2 publication Critical patent/DE69405485T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • C01F7/44—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
    • 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
    • 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
    • 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
    • C04B35/64—Burning or sintering processes
    • 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
    • C01P2004/20—Particle morphology extending in two dimensions, e.g. plate-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
    • C01P2004/40—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
    • C01P2004/41—Particle morphology extending in three dimensions octahedron-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
DE69405485T 1993-06-30 1994-06-30 Verfahren zur Herstellung von Alpha-Alumiumoxidpulver Expired - Fee Related DE69405485T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP18891193 1993-06-30
JP18891393 1993-06-30
JP18891593 1993-06-30
JP31413093 1993-11-19

Publications (2)

Publication Number Publication Date
DE69405485D1 DE69405485D1 (de) 1997-10-16
DE69405485T2 true DE69405485T2 (de) 1998-04-16

Family

ID=27475413

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69405485T Expired - Fee Related DE69405485T2 (de) 1993-06-30 1994-06-30 Verfahren zur Herstellung von Alpha-Alumiumoxidpulver

Country Status (10)

Country Link
US (1) US5538709A (de)
EP (1) EP0631986B1 (de)
JP (1) JP3744010B2 (de)
KR (1) KR950000616A (de)
CN (1) CN1100066A (de)
AU (1) AU679059B2 (de)
CA (1) CA2127070A1 (de)
DE (1) DE69405485T2 (de)
IL (1) IL110090A (de)
RU (1) RU2126364C1 (de)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SK146194A3 (en) * 1992-06-02 1995-07-11 Sumitomo Chemical Co Process for producing alpha-alumina
IL109236A (en) * 1993-04-13 1998-01-04 Sumitomo Chemical Co A-alumina powder and its production
DE69432451T2 (de) * 1993-11-25 2004-03-11 Sumitomo Chemical Co., Ltd. Verfahren zur Herstellung von Alpha-Aluminiumoxidpulver
JP3713758B2 (ja) * 1995-07-31 2005-11-09 住友化学株式会社 鉄含有複合酸化物粉末の製造方法
FR2755435A1 (fr) * 1996-11-04 1998-05-07 Pechiney Aluminium Fabrication d'alumine calcinee a taille de cristallite reglee a la demande avec une faible dispersion
CN1072606C (zh) * 1996-11-04 2001-10-10 化学工业部天津化工研究院 一种异形γ-A12O3载体的制备方法
TW504497B (en) 2000-05-23 2002-10-01 Sumitomo Chemical Co Alpha-alumina powder and heat-conductive sheet containing the same
JP2002068739A (ja) * 2000-08-30 2002-03-08 Sumitomo Chem Co Ltd 研磨材用α−アルミナ粉末およびその製造方法
CA2538989A1 (en) * 2003-08-22 2005-03-17 Union Carbide Chemicals & Plastics Technology Corporation Modified alumina carriers and silver-based catalysts for the production of alkylene oxides
JP4870561B2 (ja) * 2003-08-22 2012-02-08 ダウ テクノロジー インベストメンツ リミティド ライアビリティー カンパニー アルキレンオキサイドの製造用の改良されたアルミナ担体及び銀系触媒
CN101767039B (zh) 2003-10-16 2015-04-01 陶氏技术投资有限责任公司 用于烯化氧制备的具有提高稳定性、效率和/或活性的催化剂
JP5011105B2 (ja) * 2004-06-18 2012-08-29 シエル・インターナシヨナル・リサーチ・マートスハツペイ・ベー・ヴエー オレフィンオキシド、１，２−ジオール、１，２−ジオールエーテル、またはアルカノールアミンの製造方法
US7479565B2 (en) 2004-06-18 2009-01-20 Shell Oil Company Process for the production of an olefin oxide, a 1,2-diol, a 1,2-diol ether, or an alkanolamine
US7560411B2 (en) * 2004-09-01 2009-07-14 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
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
KR20070106772A (ko) * 2005-02-21 2007-11-05 셀 인터나쵸나아레 레사아치 마아츠샤피 비이부이 올레핀의 에폭시화 방법, 그 방법에 사용하기 위한 촉매,그 촉매를 제조하는데 이용하기 위한 담체, 및 그 담체의제조방법
AU2005237179B2 (en) * 2005-11-25 2011-03-17 Outotec Oyj Process and plant for producing metal oxide from metal compounds
PL2046696T3 (pl) 2006-07-21 2013-04-30 Dow Global Technologies Llc Ulepszony filtr cząstek stałych do silnika wysokoprężnego
US20100056816A1 (en) * 2006-11-01 2010-03-04 Wallin Sten A Shaped porous bodies of alpha-alumina and methods for the preparation thereof
JP5211467B2 (ja) * 2006-11-22 2013-06-12 日本軽金属株式会社 多面体形状α−アルミナの製造方法
CZ304274B6 (cs) * 2008-10-02 2014-02-12 Výzkumný ústav anorganické chemie, a.s. Způsob výroby alfa-oxidu hlinitého pro progresivní keramické materiály
JP4774445B2 (ja) * 2009-03-16 2011-09-14 日本碍子株式会社 アルミニウムチタネートセラミックスの製造方法
FR2956111B1 (fr) * 2010-02-11 2012-04-20 Baikowski Alumine alpha, utilisation, procede de synthese et dispositif associes
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
CN102910659B (zh) * 2012-10-29 2014-07-30 上海飞凯光电材料股份有限公司 一种高纯氧化铝的制备方法及其应用
TWI663143B (zh) * 2014-11-28 2019-06-21 日商日本碍子股份有限公司 板狀氧化鋁粉末的製法及板狀氧化鋁粉末
FR3038623B1 (fr) * 2015-07-10 2017-06-30 Fives Procede permettant de retirer les oxydes presents a la surface des nodules d'une poudre metallique avant l'utilisation de celle-ci dans un procede industriel
WO2017047452A1 (ja) 2015-09-16 2017-03-23 大日精化工業株式会社 アルミナ系熱伝導性酸化物及びその製造方法
WO2017057322A1 (ja) 2015-09-30 2017-04-06 日本碍子株式会社 板状アルミナ粉末の製法
JP6209695B1 (ja) 2017-03-02 2017-10-04 大日精化工業株式会社 アルミナ系熱伝導性酸化物及びその製造方法
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
CN112978772B (zh) * 2019-12-02 2023-01-10 中国石油化工股份有限公司 一种多晶γ-氧化铝八面体颗粒及其制备方法
US20230193103A1 (en) 2020-03-31 2023-06-22 Denka Company Limited Alumina powder, resin composition, and heat dissipation component
CN115348952B (zh) 2020-03-31 2024-03-08 电化株式会社 氧化铝粉末、树脂组合物以及散热部件

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3175883A (en) * 1961-06-05 1965-03-30 Aluminium Lab Ltd Process for reducing the soda content of alumina
US3262754A (en) * 1964-12-07 1966-07-26 Aluminium Lab Ltd Method of making low soda alumina of small crystal size
AT266780B (de) * 1967-05-19 1968-11-25 Giulini Gmbh Geb Verfahren zur Herstellung von natriumoxydarmem α-Aluminiumoxyd
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.
US4847064A (en) * 1987-12-23 1989-07-11 Aluminum Company Of America Economical process for alpha alumina production
US5302368A (en) * 1987-01-29 1994-04-12 Sumitomo Chemical Company, Limited Process for preparation of alumina
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
DE3873377T2 (de) * 1987-02-26 1992-12-10 Sumitomo Chemical Co Verfahren zur darstellung von leicht monodispergierbarem aluminiumoxid.
US5149520A (en) * 1987-12-23 1992-09-22 Aluminum Company Of America Small sized alpha alumina particles and platelets

Also Published As

Publication number Publication date
DE69405485D1 (de) 1997-10-16
IL110090A0 (en) 1994-10-07
JP3744010B2 (ja) 2006-02-08
EP0631986A1 (de) 1995-01-04
CA2127070A1 (en) 1994-12-31
AU6606194A (en) 1995-01-12
IL110090A (en) 1998-01-04
AU679059B2 (en) 1997-06-19
RU2126364C1 (ru) 1999-02-20
EP0631986B1 (de) 1997-09-10
RU94022745A (ru) 1996-04-27
US5538709A (en) 1996-07-23
CN1100066A (zh) 1995-03-15
JPH07187663A (ja) 1995-07-25
KR950000616A (ko) 1995-01-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee