DE69211641T2 - Verfahren zur herstellung von submikronischen aluminateilchen - Google Patents

Verfahren zur herstellung von submikronischen aluminateilchen

Info

Publication number
DE69211641T2
DE69211641T2 DE69211641T DE69211641T DE69211641T2 DE 69211641 T2 DE69211641 T2 DE 69211641T2 DE 69211641 T DE69211641 T DE 69211641T DE 69211641 T DE69211641 T DE 69211641T DE 69211641 T2 DE69211641 T2 DE 69211641T2
Authority
DE
Germany
Prior art keywords
alumina
anhydrous
particle size
surface area
produce
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
DE69211641T
Other languages
English (en)
Other versions
DE69211641D1 (de
Inventor
Ronald Beggs
Duane Lewis
Galan Madderra
Lewis Decker
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.)
Sasol North America Inc (ndgesd Staates Delaw
Original Assignee
CONDEA VISTA COMP AUSTIN TEX US
Condea Vista 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 CONDEA VISTA COMP AUSTIN TEX US, Condea Vista Co filed Critical CONDEA VISTA COMP AUSTIN TEX US
Application granted granted Critical
Publication of DE69211641D1 publication Critical patent/DE69211641D1/de
Publication of DE69211641T2 publication Critical patent/DE69211641T2/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
    • C01F7/021—After-treatment of oxides or hydroxides
    • 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
    • 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
    • C01F7/447—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by wet processes
    • C01F7/448—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by wet processes using superatmospheric pressure, e.g. hydrothermal conversion of gibbsite into boehmite
    • 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
    • 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
    • C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
DE69211641T 1991-04-26 1992-04-24 Verfahren zur herstellung von submikronischen aluminateilchen Expired - Lifetime DE69211641T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US69200891A 1991-04-26 1991-04-26
PCT/US1992/003483 WO1992019536A1 (en) 1991-04-26 1992-04-24 Process for preparing sub-micron alumina particles

Publications (2)

Publication Number Publication Date
DE69211641D1 DE69211641D1 (de) 1996-07-25
DE69211641T2 true DE69211641T2 (de) 1996-10-10

Family

ID=24778901

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69211641T Expired - Lifetime DE69211641T2 (de) 1991-04-26 1992-04-24 Verfahren zur herstellung von submikronischen aluminateilchen

Country Status (6)

Country Link
EP (1) EP0536381B1 (de)
JP (1) JPH06500068A (de)
AT (1) ATE139514T1 (de)
AU (1) AU1894092A (de)
DE (1) DE69211641T2 (de)
WO (1) WO1992019536A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW555696B (en) * 1998-01-08 2003-10-01 Nissan Chemical Ind Ltd Alumina powder, process for producing the same and polishing composition
DE19836821A1 (de) 1998-08-14 2000-02-24 Rwe Dea Ag Böhmitische Tonerden und aus diesen erhältliche phasenreine, hochtemperaturstabile und hochporöse Aluminiumoxide
EP1148028A3 (de) * 2000-04-17 2004-04-14 Ykk Corporation Plättchenförmige alpha-Aluminiumoxidteilchen und Verfahren zur deren Herstellung
US6936236B2 (en) * 2000-04-27 2005-08-30 Sumitomo Chemical Company, Limited Method for producing an inorganic oxide powder
KR101169626B1 (ko) * 2005-05-12 2012-08-03 솔베이(소시에떼아노님) 옥시염소화 촉매 및 상기 촉매를 이용한 방법
EP3599221A1 (de) * 2018-07-27 2020-01-29 SASOL Germany GmbH Alpha-aluminiumoxid mit hoher reinheit und hoher relativer dichte, verfahren zu dessen herstellung und dessen verwendung
CN110124339A (zh) * 2019-06-04 2019-08-16 衡阳市建衡实业有限公司 一种高速离心喷雾干燥机
CN112661496A (zh) * 2020-12-25 2021-04-16 淄博晨曜陶瓷科技有限公司 一种新能源锂电池隔膜涂覆用超细无机粉体

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4117105A (en) * 1977-03-21 1978-09-26 Pq Corporation Process for preparing dispersible boehmite alumina
JPS61132513A (ja) * 1984-11-28 1986-06-20 Asahi Chem Ind Co Ltd αアルミナ粉末とその製法
USH189H (en) * 1985-07-16 1987-01-06 Norton Company Process for production of alpha alumina bodies by sintering seeded boehmite made from alumina hydrates
US5063033A (en) * 1987-02-10 1991-11-05 Vereinigte Aluminum-Werke Aktiengesellschaft Process for the production of boehmite
AU1177288A (en) * 1987-02-19 1988-08-25 Keramont Research Corp. Process for obtaining alpha-alumina powders with submicron median particle size
US4797139A (en) * 1987-08-11 1989-01-10 Norton Company Boehmite produced by a seeded hydyothermal process and ceramic bodies produced therefrom

Also Published As

Publication number Publication date
JPH06500068A (ja) 1994-01-06
ATE139514T1 (de) 1996-07-15
EP0536381B1 (de) 1996-06-19
EP0536381A4 (de) 1994-04-20
WO1992019536A1 (en) 1992-11-12
EP0536381A1 (de) 1993-04-14
DE69211641D1 (de) 1996-07-25
AU1894092A (en) 1992-12-21

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: CONDAE VISTA COMP., AUSTIN, TEX., US

8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: SASOL NORTH AMERICA INC. (N.D.GES.D. STAATES DELAW

R071 Expiry of right

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