DE3672502D1 - Alpha-aluminiumoxidpartikel und ihr herstellungsverfahren. - Google Patents

Alpha-aluminiumoxidpartikel und ihr herstellungsverfahren.

Info

Publication number
DE3672502D1
DE3672502D1 DE8686300319T DE3672502T DE3672502D1 DE 3672502 D1 DE3672502 D1 DE 3672502D1 DE 8686300319 T DE8686300319 T DE 8686300319T DE 3672502 T DE3672502 T DE 3672502T DE 3672502 D1 DE3672502 D1 DE 3672502D1
Authority
DE
Germany
Prior art keywords
production process
aluminum oxide
oxide particles
alpha aluminum
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
DE8686300319T
Other languages
English (en)
Inventor
Ceresa Emiliano Mello
Antonio Gennaro
Paolo Cortesi
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.)
Montedison SpA
Original Assignee
Montedison SpA
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 Montedison SpA filed Critical Montedison SpA
Application granted granted Critical
Publication of DE3672502D1 publication Critical patent/DE3672502D1/de
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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/02—Boron or aluminium; Oxides or hydroxides thereof
    • B01J21/04—Alumina
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/01—Particle morphology depicted by an image
    • C01P2004/03—Particle morphology depicted by an image obtained by SEM
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/30—Particle morphology extending in three dimensions
    • C01P2004/32—Spheres
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/54—Particles characterised by their aspect ratio, i.e. the ratio of sizes in the longest to the shortest dimension
    • 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
    • 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
    • C01P2006/10—Solid density
    • 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
    • C01P2006/14—Pore volume

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Nanotechnology (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Composite Materials (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
DE8686300319T 1985-01-18 1986-01-17 Alpha-aluminiumoxidpartikel und ihr herstellungsverfahren. Expired - Fee Related DE3672502D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT19142/85A IT1184114B (it) 1985-01-18 1985-01-18 Alfa allumina sotto forma di particelle sferiche,non aggregate,a distribuzione granulometrica ristretta e di dimensioni inferiori a 2 micron,e processo per la sua preparazione

Publications (1)

Publication Number Publication Date
DE3672502D1 true DE3672502D1 (de) 1990-08-16

Family

ID=11155198

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686300319T Expired - Fee Related DE3672502D1 (de) 1985-01-18 1986-01-17 Alpha-aluminiumoxidpartikel und ihr herstellungsverfahren.

Country Status (10)

Country Link
US (1) US4818515A (de)
EP (1) EP0188388B1 (de)
JP (1) JPS61256921A (de)
KR (1) KR900004065B1 (de)
AU (1) AU585568B2 (de)
CA (1) CA1288575C (de)
DE (1) DE3672502D1 (de)
ES (1) ES8701690A1 (de)
IT (1) IT1184114B (de)
SU (1) SU1709901A3 (de)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4902666A (en) * 1986-07-02 1990-02-20 Chevron Research Company Process for the manufacture of spheroidal bodies by selective agglomeration
US5340781A (en) * 1986-07-14 1994-08-23 Showa Denko Kabushiki Kaisha Spherical corundum particles, process for preparation thereof and rubber or plastic composition having high thermal conductivity and having spherical corundum paticles incorporated therein
US5149520A (en) * 1987-12-23 1992-09-22 Aluminum Company Of America Small sized alpha alumina particles and platelets
AU650382B2 (en) * 1992-02-05 1994-06-16 Norton Company Nano-sized alpha alumina particles
US6258137B1 (en) 1992-02-05 2001-07-10 Saint-Gobain Industrial Ceramics, Inc. CMP products
DE4241625C1 (de) * 1992-12-10 1994-06-30 Veitsch Radex Ag Verfahren zur Herstellung von sinteraktivem, weitestgehend sphärischem Aluminiumoxid sowie dessen Verwendung
RU2138461C1 (ru) * 1993-07-27 1999-09-27 Сумитомо Кемикал Компани, Лимитед Алюмооксидная композиция (варианты) и способ получения алюмооксидной керамики
AUPN053395A0 (en) * 1995-01-12 1995-02-09 Alcoa Of Australia Limited Production of alpha alumina
AU699077B2 (en) * 1995-02-21 1998-11-19 Sumitomo Chemical Company, Limited Alpha-alumina and method for producing the same
DE19836821A1 (de) * 1998-08-14 2000-02-24 Rwe Dea Ag Böhmitische Tonerden und aus diesen erhältliche phasenreine, hochtemperaturstabile und hochporöse Aluminiumoxide
DE10035679A1 (de) * 2000-07-21 2002-01-31 Inst Neue Mat Gemein Gmbh Nanoskalige Korundpulver, daraus gefertigte Sinterkörper und Verfahren zu deren Herstellung
JP4836163B2 (ja) * 2004-12-20 2011-12-14 独立行政法人産業技術総合研究所 アルミナ粉末の製造方法及びその方法で得られるアルミナ粉末
DE102005040286A1 (de) * 2005-08-25 2007-03-01 Basf Ag Mechanisch stabiler Katalysator auf Basis von alpha-Aluminiumoxid
JP2007331978A (ja) * 2006-06-15 2007-12-27 Shin Etsu Chem Co Ltd 押出成形又は射出成形用の組成物及び成形体の製造方法
US20080271384A1 (en) * 2006-09-22 2008-11-06 Saint-Gobain Ceramics & Plastics, Inc. Conditioning tools and techniques for chemical mechanical planarization
US7417003B2 (en) * 2006-12-29 2008-08-26 Uop Llc Solid acid catalyst and process for decomposition of cumene hydroperoxide
EP2118011B1 (de) * 2007-01-15 2016-08-31 Saint-Gobain Ceramics & Plastics, Inc. Partikelförmiges keramikmaterial und herstellungsverfahren dafür
JP2008195569A (ja) * 2007-02-13 2008-08-28 Kanto Denka Kogyo Co Ltd アルミナ微粒子
CN102007073B (zh) * 2008-04-30 2014-10-08 电气化学工业株式会社 氧化铝粉末、其制造方法以及使用该氧化铝粉末的树脂组合物
FR2943333B1 (fr) 2009-03-20 2011-08-05 Baikowski Alumine, luminophores et composes mixtes ainsi que procedes de preparation associes
EP2411181A1 (de) 2009-03-24 2012-02-01 Saint-Gobain Abrasives, Inc. Schleifwerkzeug zur verwendung als eine abrichtvorrichtung für ein kissen zum chemisch-mechanischen polieren
WO2010141464A2 (en) * 2009-06-02 2010-12-09 Saint-Gobain Abrasives, Inc. Corrosion-resistant cmp conditioning tools and methods for making and using same
US20110097977A1 (en) * 2009-08-07 2011-04-28 Abrasive Technology, Inc. Multiple-sided cmp pad conditioning disk
CN102612734A (zh) 2009-09-01 2012-07-25 圣戈班磨料磨具有限公司 化学机械抛光修整器
JP5410245B2 (ja) * 2009-11-11 2014-02-05 電気化学工業株式会社 球状アルミナ粉末、その製造方法及び用途。
JP5636312B2 (ja) * 2010-03-09 2014-12-03 住友化学株式会社 サファイア単結晶製造用αアルミナおよびその製造方法
ES2374479B1 (es) * 2010-08-06 2012-12-26 Universitat De Valencia Procedimiento de obtención de corindón nanocristalino a partir de alumbres naturales o sintéticos.
US20120252665A1 (en) * 2010-10-01 2012-10-04 Philip John Hughes Multiphase alumina particle
CN104787792A (zh) * 2015-02-16 2015-07-22 青海圣诺光电科技有限公司 一种制备γ-氧化铝的方法
CN104787786A (zh) * 2015-02-16 2015-07-22 青海圣诺光电科技有限公司 一种制备α-氧化铝的方法
JP6961428B2 (ja) * 2017-09-08 2021-11-05 一般財団法人ファインセラミックスセンター 多孔質アルミナ焼結体及びその製造方法
JP7216390B2 (ja) * 2018-03-26 2023-02-01 河合石灰工業株式会社 α－アルミナ及び結晶粒子の内部に複数の空孔を有するα－アルミナの製造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2642337A (en) * 1948-06-09 1953-06-16 Aluminum Co Of America Method of converting crystalline alumina hydrate to alpha alumina
US3003919A (en) * 1956-06-22 1961-10-10 Procter & Gamble Alumina abrasive materials
FR1248038A (fr) * 1959-10-28 1960-12-09 Electrochimie Electrometallurg Procédé de fabrication d'alumines anhydres
US4012337A (en) * 1974-03-13 1977-03-15 Exxon Research And Engineering Company High surface area alpha aluminas
NO791174L (no) * 1978-04-20 1979-10-23 Smidth & Co As F L Fremgangsmaate for fremstilling av vannfri aluminiumoksyd

Also Published As

Publication number Publication date
SU1709901A3 (ru) 1992-01-30
KR900004065B1 (ko) 1990-06-11
AU585568B2 (en) 1989-06-22
EP0188388A3 (en) 1988-04-06
US4818515A (en) 1989-04-04
EP0188388B1 (de) 1990-07-11
IT1184114B (it) 1987-10-22
AU5242686A (en) 1986-07-24
ES550980A0 (es) 1986-12-01
EP0188388A2 (de) 1986-07-23
ES8701690A1 (es) 1986-12-01
IT8519142A0 (it) 1985-01-18
KR860005749A (ko) 1986-08-13
CA1288575C (en) 1991-09-10
JPS61256921A (ja) 1986-11-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee