FR2651225B1 - Procede de fabrication de poudre fine d'alumine alpha. - Google Patents

Procede de fabrication de poudre fine d'alumine alpha.

Info

Publication number
FR2651225B1
FR2651225B1 FR9010552A FR9010552A FR2651225B1 FR 2651225 B1 FR2651225 B1 FR 2651225B1 FR 9010552 A FR9010552 A FR 9010552A FR 9010552 A FR9010552 A FR 9010552A FR 2651225 B1 FR2651225 B1 FR 2651225B1
Authority
FR
France
Prior art keywords
manufacture
fine powder
alpha alumina
alumina
alpha
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
FR9010552A
Other languages
English (en)
Other versions
FR2651225A1 (fr
Inventor
Yoshizumi Motohiko
Hirako Hisae
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.)
Mitsubishi Metal Corp
Original Assignee
Mitsubishi Metal Corp
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 Mitsubishi Metal Corp filed Critical Mitsubishi Metal Corp
Publication of FR2651225A1 publication Critical patent/FR2651225A1/fr
Application granted granted Critical
Publication of FR2651225B1 publication Critical patent/FR2651225B1/fr
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
    • C01F7/021—After-treatment of oxides or hydroxides
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00—Materials not provided for elsewhere
    • C09K3/14—Anti-slip materials; Abrasives
    • C09K3/1409—Abrasive particles per se
    • 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
    • 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
    • C01P2006/13—Surface area thermal stability thereof at high temperatures

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
FR9010552A 1989-08-25 1990-08-22 Procede de fabrication de poudre fine d'alumine alpha. Expired - Fee Related FR2651225B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1219860A JP2639121B2 (ja) 1989-08-25 1989-08-25 微細α―アルミナ粉末の製造方法

Publications (2)

Publication Number Publication Date
FR2651225A1 FR2651225A1 (fr) 1991-03-01
FR2651225B1 true FR2651225B1 (fr) 1993-12-17

Family

ID=16742191

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9010552A Expired - Fee Related FR2651225B1 (fr) 1989-08-25 1990-08-22 Procede de fabrication de poudre fine d'alumine alpha.

Country Status (5)

Country Link
US (1) US5449389A (fr)
JP (1) JP2639121B2 (fr)
DE (1) DE4026828A1 (fr)
FR (1) FR2651225B1 (fr)
GB (1) GB2236525B (fr)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2639121B2 (ja) * 1989-08-25 1997-08-06 三菱マテリアル株式会社 微細α―アルミナ粉末の製造方法
FR2686872B1 (fr) * 1992-02-05 1994-06-03 Pechiney Aluminium Procede d'elimination de l'oxalate de sodium des solutions d'aluminate de sodium du cycle bayer.
AU650382B2 (en) * 1992-02-05 1994-06-16 Norton Company Nano-sized alpha alumina particles
JPH05238726A (ja) * 1992-02-28 1993-09-17 Mitsubishi Materials Corp 高結晶性微細α−アルミナ粉末の製造方法
AU699077B2 (en) * 1995-02-21 1998-11-19 Sumitomo Chemical Company, Limited Alpha-alumina and method for producing the same
US5877106A (en) * 1997-01-03 1999-03-02 Asec Manufacturing Stabilized crystalline alumina compositions
US5728184A (en) * 1996-06-26 1998-03-17 Minnesota Mining And Manufacturing Company Method for making ceramic materials from boehmite
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
EP1412295B1 (fr) 2001-08-02 2007-11-14 3M Innovative Properties Company Procede de production d'articles constitues de verre et articles en vitroceramique ainsi obtenus
EP1432660A1 (fr) * 2001-08-02 2004-06-30 3M Innovative Properties Company Matieres d'oxyde d'alumina-yttria-zirconium/d'oxyde d'hafnium, leurs procedes de production et leur utilisation
WO2003011786A1 (fr) * 2001-08-02 2003-02-13 3M Innovative Properties Company Vitroceramiques
KR100885329B1 (ko) 2001-08-02 2009-02-26 쓰리엠 이노베이티브 프로퍼티즈 컴파니 Ａｌ₂Ｏ₃-희토류 산화물-ＺｒＯ₂/ＨｆＯ₂물질, 및그의 제조 및 사용 방법
DE10237849A1 (de) * 2002-03-12 2003-10-23 Minebea Co Ltd Spindelmotor für ein Plattenlaufwerk
US7179526B2 (en) * 2002-08-02 2007-02-20 3M Innovative Properties Company Plasma spraying
US8056370B2 (en) 2002-08-02 2011-11-15 3M Innovative Properties Company Method of making amorphous and ceramics via melt spinning
US7175786B2 (en) * 2003-02-05 2007-02-13 3M Innovative Properties Co. Methods of making Al2O3-SiO2 ceramics
US7811496B2 (en) 2003-02-05 2010-10-12 3M Innovative Properties Company Methods of making ceramic particles
US20050132658A1 (en) * 2003-12-18 2005-06-23 3M Innovative Properties Company Method of making abrasive particles
US7497093B2 (en) * 2004-07-29 2009-03-03 3M Innovative Properties Company Method of making ceramic articles
US7332453B2 (en) * 2004-07-29 2008-02-19 3M Innovative Properties Company Ceramics, and methods of making and using the same
FR2943333B1 (fr) * 2009-03-20 2011-08-05 Baikowski Alumine, luminophores et composes mixtes ainsi que procedes de preparation associes

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2702750A (en) * 1942-03-19 1955-02-22 Saint Gobain Manufacture of articles from substances containing silica
DE1198804B (de) * 1964-03-19 1965-08-19 Leuna Werke Veb Verfahren zur Herstellung von alpha-Aluminiumoxyd-Formlingen hoher Festigkeit
US3476613A (en) * 1966-09-13 1969-11-04 Gen Electric Process for producing alpha-alumina whiskers
DE1767394A1 (de) * 1968-05-06 1971-08-26 Siemens Ag Verfahren zum Herstellen von Mg-Al-Spinellkristallen mit stoechiometrischer Zusammensetzung fuer integrierte Schaltungen
SU429635A1 (ru) * 1971-09-20 1977-08-05 Granovskij T I Способ получени - окиси алюмини
US4169883A (en) * 1978-07-25 1979-10-02 Exxon Research & Engineering Co. Process for preparing ultra-stable, high surface area alpha-alumina
NZ210805A (en) * 1984-01-19 1988-04-29 Norton Co Aluminous abrasive grits or shaped bodies
GB8801554D0 (en) * 1988-01-25 1988-02-24 Lilliwyte Sa Method of making beta-alumina
US4937062A (en) * 1988-03-07 1990-06-26 Cabot Corporation High surface area metal oxide foams and method of producing the same
DE3827898A1 (de) * 1988-08-17 1990-02-22 Degussa (alpha)-aluminiumoxid, sowie verfahren zur herstellung von (alpha)-aluminiumoxid
JP2639121B2 (ja) * 1989-08-25 1997-08-06 三菱マテリアル株式会社 微細α―アルミナ粉末の製造方法

Also Published As

Publication number Publication date
FR2651225A1 (fr) 1991-03-01
DE4026828A1 (de) 1991-04-11
GB2236525B (en) 1993-03-17
GB2236525A (en) 1991-04-10
GB9017726D0 (en) 1990-09-26
US5449389A (en) 1995-09-12
DE4026828C2 (fr) 1993-08-12
JP2639121B2 (ja) 1997-08-06
JPH0383813A (ja) 1991-04-09

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Legal Events

Date Code Title Description
CA Change of address
CD Change of name or company name
ST Notification of lapse