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DE69405485D1 - Verfahren zur Herstellung von Alpha-Alumiumoxidpulver - Google Patents

Verfahren zur Herstellung von Alpha-Alumiumoxidpulver

Info

Publication number
DE69405485D1
DE69405485D1 DE69405485T DE69405485T DE69405485D1 DE 69405485 D1 DE69405485 D1 DE 69405485D1 DE 69405485 T DE69405485 T DE 69405485T DE 69405485 T DE69405485 T DE 69405485T DE 69405485 D1 DE69405485 D1 DE 69405485D1
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
DE69405485T2 (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
Application granted granted Critical
Publication of DE69405485D1 publication Critical patent/DE69405485D1/de
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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Compositions Of Oxide Ceramics (AREA)
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
JP18891593 1993-06-30
JP18891393 1993-06-30
JP18891193 1993-06-30
JP31413093 1993-11-19

Publications (2)

Publication Number Publication Date
DE69405485D1 true DE69405485D1 (de) 1997-10-16
DE69405485T2 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 (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69324581T2 (de) * 1992-06-02 1999-11-18 Sumitomo Chemical Co., Ltd. Alpha-aluminiumoxid
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
US5725162A (en) * 1995-04-05 1998-03-10 Saint Gobain/Norton Industrial Ceramics Corporation Firing sol-gel alumina particles
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
RU2340607C2 (ru) * 2003-08-22 2008-12-10 Дау Текнолоджи Инвестментс Ллс Модифицированные носители из оксида алюминия и катализаторы на основе серебра для получения алкиленоксидов
WO2005023418A1 (en) * 2003-08-22 2005-03-17 Union Carbide Chemicals & Plastics Technology Corporation Improved alumina carriers and silver-based catalysts for the production of alkylene oxides
WO2005039757A1 (en) 2003-10-16 2005-05-06 Union Carbide Chemicals & Plastics Technology Corporation Catalysts having enhanced stability, efficiency and/or activity for alkylene oxide production
WO2006009756A1 (en) * 2004-06-18 2006-01-26 Shell Internationale Research Maatschappij B.V. A process for the production of an olefin oxide, a 1,2-diol, a 1,2-diol ether, or an alkanolamine
MY140568A (en) 2004-06-18 2009-12-31 Shell Int Research A process for the production of an olefin oxide, a 1,2-diol, a 1,2-diol ether, or an alkanolamine
BRPI0514814A (pt) * 2004-09-01 2008-06-24 Shell Int Research processo de epoxidação de olefina, um catalisador para uso no processo, um veìculo para uso na preparação do catalisador, e processo para preparar o veìculo
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
JP5063367B2 (ja) * 2005-02-21 2012-10-31 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 オレフィンエポキシ化方法、この方法において使用する触媒、この触媒を作製する際に使用する担体、およびこの担体を作製する方法
AU2005237179B2 (en) * 2005-11-25 2011-03-17 Outotec Oyj Process and plant for producing metal oxide from metal compounds
JP4960453B2 (ja) 2006-07-21 2012-06-27 ダウ グローバル テクノロジーズ エルエルシー 改善されたディーゼル粒子フィルター
EP2620212A3 (de) 2006-11-01 2014-01-15 Dow Global Technologies LLC Verfahren zur Modifizierung von porösen Formkörpern aus alpha-Aluminiumoxid, Epoxidierungskatalysator enthaltend modifiziertes alpha-Aluminiumoxid und Epoxidierungsverfahren
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
US9604852B2 (en) 2012-09-28 2017-03-28 Dic Corporation α-alumina particles and method for manufacturing the same
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
CN107074573B (zh) * 2014-11-28 2018-12-11 日本碍子株式会社 板状氧化铝粉末的制法及板状氧化铝粉末
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
JP6121074B1 (ja) 2015-09-16 2017-04-26 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
JP6660943B2 (ja) 2015-09-30 2020-03-11 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
US11220437B2 (en) * 2018-12-24 2022-01-11 Ecometales Limited Procedure for obtaining scorodite with a high arsenic content from acidic solutions with high content of sulfuric acid
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
WO2021200491A1 (ja) 2020-03-31 2021-10-07 デンカ株式会社 アルミナ粉末、樹脂組成物、及び放熱部品
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
JP7643614B1 (ja) * 2024-03-29 2025-03-11 日本軽金属株式会社 板状アルミナ粉末及びその製造方法、並びに塗料又は化粧品

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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
DE2147156C3 (de) * 1971-09-21 1982-03-18 Cejtlin, Polina Abramovna Ausgangsmaterial zur Züchtung von Korundeinkristallen
DE2850064B1 (de) * 1978-11-18 1980-05-08 Giulini Chemie Hexagonale tafelfoermige alpha-Aluminiumoxid-Einkristalle und Verfahren zu ihrer Herstellung
CH654819A5 (de) * 1980-09-23 1986-03-14 Alusuisse Verfahren zur herstellung von grobkristallinem alpha-aluminiumoxid und dessen verwendung.
JPS57111238A (en) * 1980-12-29 1982-07-10 Nishimura Watanabe Chiyuushiyutsu Kenkyusho:Kk Recovery of aluminum oxide from fluoroaluminate
HU185474B (en) * 1981-11-10 1985-02-28 Almasfuezitoei Timfoeldgyar Process for preparing alpha-aluminium oxyde poor in alkali for ceramic purposes
DE3371194D1 (en) * 1982-08-24 1987-06-04 Alusuisse Process for the preparation of crystalline aluminium oxide
IT1184114B (it) * 1985-01-18 1987-10-22 Montedison Spa Alfa allumina sotto forma di particelle sferiche,non aggregate,a distribuzione granulometrica ristretta e di dimensioni inferiori a 2 micron,e processo per la sua preparazione
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.
US5302368A (en) * 1987-01-29 1994-04-12 Sumitomo Chemical Company, Limited Process for preparation of alumina
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.
SU1477682A1 (ru) * 1987-06-12 1989-05-07 МГУ им.М.В.Ломоносова Способ получени @ -оксида алюмини
US5149520A (en) * 1987-12-23 1992-09-22 Aluminum Company Of America Small sized alpha alumina particles and platelets
HU210595B (en) * 1988-02-03 1995-05-29 Almasfuezitoei Timfoeldgyar Process for producing aluminiume-oxides using to the ceramic which contains smaller than 1 micrometer one-crystalsize grains, too
FR2652075B1 (fr) * 1989-09-21 1991-12-06 Atochem Macrocristaux d'alumine alpha sous forme de plaquettes et procede d'obtention.

Also Published As

Publication number Publication date
JPH07187663A (ja) 1995-07-25
RU94022745A (ru) 1996-04-27
DE69405485T2 (de) 1998-04-16
CA2127070A1 (en) 1994-12-31
JP3744010B2 (ja) 2006-02-08
US5538709A (en) 1996-07-23
IL110090A0 (en) 1994-10-07
AU679059B2 (en) 1997-06-19
KR950000616A (ko) 1995-01-03
AU6606194A (en) 1995-01-12
EP0631986A1 (de) 1995-01-04
RU2126364C1 (ru) 1999-02-20
EP0631986B1 (de) 1997-09-10
IL110090A (en) 1998-01-04
CN1100066A (zh) 1995-03-15

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