FR2871793B1 - Procede de production d'une poudre d'alpha-alumine - Google Patents

Procede de production d'une poudre d'alpha-alumine

Info

Publication number
FR2871793B1
FR2871793B1 FR0505956A FR0505956A FR2871793B1 FR 2871793 B1 FR2871793 B1 FR 2871793B1 FR 0505956 A FR0505956 A FR 0505956A FR 0505956 A FR0505956 A FR 0505956A FR 2871793 B1 FR2871793 B1 FR 2871793B1
Authority
FR
France
Prior art keywords
alumina powder
producing alpha
alpha
producing
alumina
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
FR0505956A
Other languages
English (en)
Other versions
FR2871793A1 (fr
Inventor
Hajime Maki
Yoshiaki Takeuchi
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
Publication of FR2871793A1 publication Critical patent/FR2871793A1/fr
Application granted granted Critical
Publication of FR2871793B1 publication Critical patent/FR2871793B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • C01F7/20—Preparation of aluminium oxide or hydroxide from aluminous ores using acids or salts
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • 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
    • C01F7/34—Preparation of aluminium hydroxide by precipitation from solutions containing aluminium salts
    • 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
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
    • 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
    • C01P2006/80—Compositional purity

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Nanotechnology (AREA)
  • Composite Materials (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
FR0505956A 2004-06-15 2005-06-13 Procede de production d'une poudre d'alpha-alumine Expired - Fee Related FR2871793B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004176518 2004-06-15
JP2004370730 2004-12-22

Publications (2)

Publication Number Publication Date
FR2871793A1 FR2871793A1 (fr) 2005-12-23
FR2871793B1 true FR2871793B1 (fr) 2007-05-25

Family

ID=35311648

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0505956A Expired - Fee Related FR2871793B1 (fr) 2004-06-15 2005-06-13 Procede de production d'une poudre d'alpha-alumine

Country Status (5)

Country Link
US (1) US20050276745A1 (fr)
KR (1) KR20060049582A (fr)
DE (1) DE102005027246A1 (fr)
FR (1) FR2871793B1 (fr)
TW (1) TW200604100A (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI348457B (en) * 2003-03-04 2011-09-11 Sumitomo Chemical Co Method for producing 帢-alumina particulate
DE102005033393B4 (de) * 2005-07-16 2014-04-03 Clariant International Limited Verfahren zur Herstellung von nanokristallinem α-Al2O3
EP2118011B1 (fr) 2007-01-15 2016-08-31 Saint-Gobain Ceramics & Plastics, Inc. Matériau particulaire céramique et procédés de formation afférents
CN100572277C (zh) * 2007-05-31 2009-12-23 中国铝业股份有限公司 一种改进的串联法生产氧化铝的方法
JP2010168271A (ja) * 2008-12-25 2010-08-05 Sumitomo Chemical Co Ltd アルミナの製造方法
CN103738989B (zh) * 2012-12-28 2015-08-19 中国神华能源股份有限公司 一种中低品位铝土矿生产氧化铝的方法
CN105121348B (zh) * 2013-02-04 2018-07-10 俄铝工程技术中心有限责任公司 氧化铝的制备方法
KR101497561B1 (ko) * 2013-07-22 2015-03-04 영남대학교 산학협력단 α-알루미나의 제조방법 및 이로부터 얻어지는 α-알루미나
CN106186016A (zh) * 2016-07-21 2016-12-07 刘冠华 一种氧化铝粉体的制备方法
CN112939043A (zh) * 2021-03-19 2021-06-11 山东大学 一种相转变温度降低的α-氧化铝的制备方法及其应用
CN113479918B (zh) * 2021-08-04 2023-07-18 郑州大学 一种纳米球形α-氧化铝粉体制备方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4657754A (en) * 1985-11-21 1987-04-14 Norton Company Aluminum oxide powders and process
DE19930924A1 (de) * 1999-07-06 2001-01-18 Rwe Dea Ag Verfahren zur Herstellung von Tonerdehydraten durch Fällung von Aluminiumsalzen in Gegenwart von Kristallisationskeimen
DE10035679A1 (de) * 2000-07-21 2002-01-31 Inst Neue Mat Gemein Gmbh Nanoskalige Korundpulver, daraus gefertigte Sinterkörper und Verfahren zu deren Herstellung
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
TWI348457B (en) * 2003-03-04 2011-09-11 Sumitomo Chemical Co Method for producing 帢-alumina particulate
US7422730B2 (en) * 2003-04-02 2008-09-09 Saint-Gobain Ceramics & Plastics, Inc. Nanoporous ultrafine α-alumina powders and sol-gel process of preparing same

Also Published As

Publication number Publication date
FR2871793A1 (fr) 2005-12-23
TW200604100A (en) 2006-02-01
KR20060049582A (ko) 2006-05-19
US20050276745A1 (en) 2005-12-15
DE102005027246A1 (de) 2006-01-05

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20130228