IL111763A - Method for alpha-alumina powder production - Google Patents

Method for alpha-alumina powder production

Info

Publication number
IL111763A
IL111763A IL11176394A IL11176394A IL111763A IL 111763 A IL111763 A IL 111763A IL 11176394 A IL11176394 A IL 11176394A IL 11176394 A IL11176394 A IL 11176394A IL 111763 A IL111763 A IL 111763A
Authority
IL
Israel
Prior art keywords
gas
halogen
alumina
alumina powder
temperature
Prior art date
Application number
IL11176394A
Other languages
English (en)
Hebrew (he)
Other versions
IL111763A0 (en
Original Assignee
Sumitomo Chemical Co
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 filed Critical Sumitomo Chemical Co
Publication of IL111763A0 publication Critical patent/IL111763A0/xx
Publication of IL111763A publication Critical patent/IL111763A/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00Compounds of aluminium
    • C01F7/02Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/44Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water
    • C01F7/441Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by calcination
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00Compounds of aluminium
    • C01F7/02Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/30Preparation of aluminium oxide or hydroxide by thermal decomposition or by hydrolysis or oxidation of aluminium compounds
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00Compounds of aluminium
    • C01F7/02Aluminium oxide; Aluminium hydroxide; Aluminates
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00Compounds of aluminium
    • C01F7/02Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/44Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water
    • C01F7/441Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by calcination
    • C01F7/442Dehydration 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
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/01Particle morphology depicted by an image
    • C01P2004/03Particle morphology depicted by an image obtained by SEM
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/30Particle morphology extending in three dimensions
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/50Agglomerated particles
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/51Particles with a specific particle size distribution
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/51Particles with a specific particle size distribution
    • C01P2004/52Particles with a specific particle size distribution highly monodisperse size distribution
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/54Particles characterised by their aspect ratio, i.e. the ratio of sizes in the longest to the shortest dimension
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/60Particles characterised by their size
    • C01P2004/61Micrometer sized, i.e. from 1-100 micrometer
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/60Particles characterised by their size
    • C01P2004/62Submicrometer sized, i.e. from 0.1-1 micrometer
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/11Powder tap density
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/21Attrition-index or crushing strength of granulates
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/80Compositional purity

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Compositions Of Oxide Ceramics (AREA)
IL11176394A 1993-11-25 1994-11-24 Method for alpha-alumina powder production IL111763A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP32116593 1993-11-25
JP32116893 1993-11-25
JP32116793 1993-11-25
JP29999893 1993-11-30

Publications (2)

Publication Number Publication Date
IL111763A0 IL111763A0 (en) 1995-01-24
IL111763A true IL111763A (en) 1998-08-16

Family

ID=27479765

Family Applications (1)

Application Number Title Priority Date Filing Date
IL11176394A IL111763A (en) 1993-11-25 1994-11-24 Method for alpha-alumina powder production

Country Status (9)

Country Link
US (1) US6524549B1 (fr)
EP (1) EP0656319B1 (fr)
KR (1) KR950013987A (fr)
CN (1) CN1069291C (fr)
AU (1) AU690149B2 (fr)
CA (1) CA2136582A1 (fr)
DE (1) DE69432451T2 (fr)
IL (1) IL111763A (fr)
RU (1) RU2136596C1 (fr)

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US6936236B2 (en) * 2000-04-27 2005-08-30 Sumitomo Chemical Company, Limited Method for producing an inorganic oxide powder
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
US20030125418A1 (en) * 2001-10-10 2003-07-03 Show A Denko K.K. Particulate alumina, method for producing particulate alumina, and composition containing particulate alumina
JP2003192339A (ja) * 2001-12-27 2003-07-09 Showa Denko Kk アルミナ粒、アルミナ粒の製造方法およびアルミナ粒を含む組成物
TWI254699B (en) * 2002-01-16 2006-05-11 Sumitomo Chemical Co Calcined alumina, its production method and fine alpha\-alumina powder obtained by using the calcined alumina
TW200540116A (en) * 2004-03-16 2005-12-16 Sumitomo Chemical Co Method for producing an α-alumina powder
US20050232824A1 (en) * 2004-04-14 2005-10-20 Pangrcic Robert A High temperature electrolyte testing container
KR101374490B1 (ko) 2006-09-19 2014-03-13 스미또모 가가꾸 가부시끼가이샤 α 알루미나 분말
MX2009004622A (es) * 2006-11-01 2009-05-15 Dow Global Technologies Inc Cuerpos porosos con forma de alfa-alumina y metodos para la preparacion de los mismos.
BRPI0821437B1 (pt) 2007-12-27 2019-01-22 3M Innovative Properties Co método de fabricar uma pluralidade de cacos abrasivos e artigo abrasivo
WO2009134851A1 (fr) * 2008-04-30 2009-11-05 Dow Technology Investments, Llc Précurseurs de corps poreux, corps poreux façonnés, leurs procédés de fabrication et produits finaux fondés sur ces corps poreux
US8142531B2 (en) 2008-12-17 2012-03-27 3M Innovative Properties Company Shaped abrasive particles with a sloping sidewall
US8764865B2 (en) 2008-12-17 2014-07-01 3M Innovative Properties Company Shaped abrasive particles with grooves
JP5427754B2 (ja) * 2009-11-20 2014-02-26 住友化学株式会社 サファイア単結晶製造用αアルミナ
CA2791475C (fr) 2010-03-03 2018-05-15 3M Innovative Properties Company Meule abrasive liee
JP5766442B2 (ja) * 2011-01-04 2015-08-19 住友化学株式会社 サファイア単結晶製造用αアルミナ焼結体
AU2012231686B2 (en) 2011-03-18 2015-08-27 Orbite Aluminae Inc. Processes for recovering rare earth elements from aluminum-bearing materials
EP3141621A1 (fr) 2011-05-04 2017-03-15 Orbite Aluminae Inc. Procédés de récupération de terres rares dans divers minerais
EP2755918A4 (fr) 2011-09-16 2015-07-01 Orbite Aluminae Inc Procédés de préparation d'alumine et de divers autres produits
US9023301B2 (en) 2012-01-10 2015-05-05 Orbite Aluminae Inc. Processes for treating red mud
AU2013203808B2 (en) 2012-03-29 2016-07-28 Orbite Aluminae Inc. Processes for treating fly ashes
RU2597096C2 (ru) 2012-07-12 2016-09-10 Орбит Алюминэ Инк. Способы получения оксида титана и различных других продуктов
CN104718162B (zh) * 2012-09-28 2017-11-21 Dic株式会社 α‑氧化铝微粒以及其制造方法
CA2891427C (fr) 2012-11-14 2016-09-20 Orbite Aluminae Inc. Procede de purification d'ions aluminium
RU2530070C1 (ru) * 2013-04-23 2014-10-10 Федеральное государственное бюджетное учреждение науки Институт теплофизики им. С.С. Кутателадзе Сибирского отделения Российской академии наук (ИТ СО РАН) СПОСОБ СИНТЕЗА ПОЛЫХ НАНОЧАСТИЦ γ-Al2O3
RU2528979C1 (ru) * 2013-05-13 2014-09-20 Общество с ограниченной ответственностью "ПРИМА" Способ получения альфа-фазы оксида алюминия
JP5975182B2 (ja) * 2013-10-24 2016-08-23 Dic株式会社 樹脂組成物、樹脂成形体、放熱材料及び放熱部材、並びにこれらの製造方法
WO2015179959A1 (fr) * 2014-05-30 2015-12-03 Orbite Technologies Inc. Procédés de calcination pour la préparation de divers types d'alumine
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
CN104787787B (zh) * 2015-02-16 2016-08-24 刘冠华 一种采用机械破碎制备超微氧化铝粉的方法
RU2625388C2 (ru) * 2015-08-11 2017-07-13 Федеральное государственное бюджетное учреждение науки Институт общей и неорганической химии им. Н.С. Курнакова Российской академии наук (ИОНХ РАН) Способ получения наполнителей для строительных материалов
RU2625104C1 (ru) * 2016-06-09 2017-07-11 Федеральное государственное бюджетное учреждение науки Институт химии твердого тела и механохимии Сибирского отделения Российской академии наук (ИХТТМ СО РАН) Способ получения субмикронного порошка альфа-оксида алюминия
JP7259846B2 (ja) * 2018-04-06 2023-04-18 Dic株式会社 アルミナ粒子
CN108950282B (zh) * 2018-08-17 2019-10-29 荆门它山之石电子科技有限公司 一种含有微孔的铝合金的制备方法
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
CN113233488B (zh) * 2021-05-08 2023-03-21 中铝山东有限公司 一种原晶粒度分布窄的α-氧化铝的制备方法

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Also Published As

Publication number Publication date
IL111763A0 (en) 1995-01-24
EP0656319A2 (fr) 1995-06-07
CA2136582A1 (fr) 1995-05-26
RU94042255A (ru) 1996-09-20
CN1069291C (zh) 2001-08-08
RU2136596C1 (ru) 1999-09-10
EP0656319A3 (fr) 1995-09-27
US6524549B1 (en) 2003-02-25
AU7904094A (en) 1995-06-01
EP0656319B1 (fr) 2003-04-09
KR950013987A (ko) 1995-06-15
CN1108215A (zh) 1995-09-13
DE69432451D1 (de) 2003-05-15
DE69432451T2 (de) 2004-03-11
AU690149B2 (en) 1998-04-23

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