DE69713804D1 - Herstellung von kalziniertes aluminiumoxid mit nach bedarf gesteuerte kristallitgrosse mit eine geringe dispersion - Google Patents

Herstellung von kalziniertes aluminiumoxid mit nach bedarf gesteuerte kristallitgrosse mit eine geringe dispersion

Info

Publication number
DE69713804D1
DE69713804D1 DE69713804T DE69713804T DE69713804D1 DE 69713804 D1 DE69713804 D1 DE 69713804D1 DE 69713804 T DE69713804 T DE 69713804T DE 69713804 T DE69713804 T DE 69713804T DE 69713804 D1 DE69713804 D1 DE 69713804D1
Authority
DE
Germany
Prior art keywords
demand
production
aluminum oxide
crystallite size
low dispersion
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 - Lifetime
Application number
DE69713804T
Other languages
English (en)
Other versions
DE69713804T2 (de
Inventor
Jean Deville
Jean-Michel Lamerant
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.)
Alteo Gardanne SAS
Original Assignee
Aluminium Pechiney SA
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 Aluminium Pechiney SA filed Critical Aluminium Pechiney SA
Publication of DE69713804D1 publication Critical patent/DE69713804D1/de
Application granted granted Critical
Publication of DE69713804T2 publication Critical patent/DE69713804T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • C04B35/111—Fine ceramics
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/50—Agglomerated particles
    • 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
    • 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
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Compositions Of Oxide Ceramics (AREA)
DE69713804T 1996-11-04 1997-11-03 Verfahren zur Herstellung von kalziniertem Aluminiumoxid mit nach Bedarf gesteuerter Kristallgrösse mit geringer Dispersion Expired - Lifetime DE69713804T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9613622A FR2755435A1 (fr) 1996-11-04 1996-11-04 Fabrication d'alumine calcinee a taille de cristallite reglee a la demande avec une faible dispersion
PCT/FR1997/001966 WO1998019967A1 (fr) 1996-11-04 1997-11-03 Fabrication d'alumine calcinee a taille de cristallite reglee a la demande avec une faible dispersion

Publications (2)

Publication Number Publication Date
DE69713804D1 true DE69713804D1 (de) 2002-08-08
DE69713804T2 DE69713804T2 (de) 2003-01-30

Family

ID=9497439

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69713804T Expired - Lifetime DE69713804T2 (de) 1996-11-04 1997-11-03 Verfahren zur Herstellung von kalziniertem Aluminiumoxid mit nach Bedarf gesteuerter Kristallgrösse mit geringer Dispersion

Country Status (10)

Country Link
US (1) US5916536A (de)
EP (1) EP0950021B1 (de)
JP (1) JP2001503368A (de)
AU (1) AU729478B2 (de)
CA (1) CA2270582C (de)
DE (1) DE69713804T2 (de)
ES (1) ES2175379T3 (de)
FR (1) FR2755435A1 (de)
HU (1) HU228472B1 (de)
WO (1) WO1998019967A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19602525A1 (de) * 1996-01-25 1997-08-07 Starck H C Gmbh Co Kg Sphärische Keramikformkörper, Verfahren zu ihrer Herstellung sowie deren Verwendung
EP1246776B1 (de) * 2000-01-10 2003-06-04 Albemarle Corporation Prozess zur herstellung von aluminiumhydroxid mit verbesserter wärmestabilität
US6410470B1 (en) * 2000-04-24 2002-06-25 Saint-Gobain Industrial Ceramics, Inc. Thermal spray powder process
DE10113294A1 (de) * 2001-03-16 2002-09-19 Stockhausen Chem Fab Gmbh Bildung von Aluminiumoxidhydrat-haltigen Kristallen aus kaustischen Mutterlaugen
US6887811B2 (en) * 2001-05-30 2005-05-03 Showa Denko K.K. Spherical alumina particles and production process thereof
FR2831156B1 (fr) * 2001-10-18 2004-02-20 Pechiney Aluminium Alumine calcinee broyee destinee a entrer dans la composition d'un precurseur pour materiau refractaire, et procede d'obtention de ladite alumine
RU2009120540A (ru) * 2006-11-01 2010-12-10 Дау Глобал Текнолоджиз Инк. (Us) Формованные пористые элементы из альфа-оксида алюминия и способы их получения
EP3582932B1 (de) 2017-02-15 2022-03-30 Saint-Gobain Ceramics&Plastics, Inc. Aluminiumoxid-schleifpartikel für kfz-endbearbeitungszusammensetzungen
CN112441821B (zh) * 2020-11-06 2023-02-28 南充三环电子有限公司 一种陶瓷封装基座及其制备方法
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

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE521124C (de) * 1927-07-23 1931-03-18 Chauny & Cirey Herstellung kuenstlicher Schleifmittel
US3859427A (en) * 1969-11-10 1975-01-07 Aluminum Co Of America Production of beta alumina
US3961036A (en) * 1974-01-04 1976-06-01 Exxon Research And Engineering Company Alumina synthesis
DE2850064B1 (de) * 1978-11-18 1980-05-08 Giulini Chemie Hexagonale tafelfoermige alpha-Aluminiumoxid-Einkristalle und Verfahren zu ihrer Herstellung
EP0105025B1 (de) * 1982-08-24 1987-04-29 Schweizerische Aluminium Ag Verfahren zur Herstellung von kristalliner Tonerde
DE3873377T2 (de) * 1987-02-26 1992-12-10 Sumitomo Chemical Co Verfahren zur darstellung von leicht monodispergierbarem aluminiumoxid.
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
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
WO1995014638A1 (en) * 1993-11-25 1995-06-01 Sumitomo Chemical Company, Limited PROCESS FOR PRODUCING α-ALUMINA POWDER

Also Published As

Publication number Publication date
EP0950021B1 (de) 2002-07-03
AU5056798A (en) 1998-05-29
CA2270582C (fr) 2007-10-02
ES2175379T3 (es) 2002-11-16
DE69713804T2 (de) 2003-01-30
JP2001503368A (ja) 2001-03-13
CA2270582A1 (fr) 1998-05-14
EP0950021A1 (de) 1999-10-20
AU729478B2 (en) 2001-02-01
US5916536A (en) 1999-06-29
WO1998019967A1 (fr) 1998-05-14
HUP9904542A3 (en) 2000-12-28
HU228472B1 (en) 2013-03-28
FR2755435A1 (fr) 1998-05-07
HUP9904542A2 (hu) 2000-05-28

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