CA2016522A1 - Aluminum oxide powders having improved processing properties, processes for their production and their use - Google Patents

Aluminum oxide powders having improved processing properties, processes for their production and their use

Info

Publication number
CA2016522A1
CA2016522A1 CA002016522A CA2016522A CA2016522A1 CA 2016522 A1 CA2016522 A1 CA 2016522A1 CA 002016522 A CA002016522 A CA 002016522A CA 2016522 A CA2016522 A CA 2016522A CA 2016522 A1 CA2016522 A1 CA 2016522A1
Authority
CA
Canada
Prior art keywords
aluminum oxide
oxide powder
production
powder according
elements
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.)
Abandoned
Application number
CA002016522A
Other languages
English (en)
French (fr)
Inventor
Bernhard Freudenberg
Peter Thometzek
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.)
Bayer AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Publication of CA2016522A1 publication Critical patent/CA2016522A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/009After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00Compounds of aluminium
    • C01F7/02Aluminium oxide; Aluminium hydroxide; Aluminates
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10Shaped 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
    • C04B35/111Fine ceramics
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/4505Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements characterised by the method of application
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/80After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81Coating or impregnation
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/60Particles characterised by their size
    • C01P2004/61Micrometer sized, i.e. from 1-100 micrometer
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/60Particles characterised by their size
    • C01P2004/62Submicrometer sized, i.e. from 0.1-1 micrometer
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/10Solid density
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/12Surface area
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/40Electric properties
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/90Other properties not specified above

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Paints Or Removers (AREA)
  • Compounds Of Iron (AREA)
CA002016522A 1989-05-12 1990-05-10 Aluminum oxide powders having improved processing properties, processes for their production and their use Abandoned CA2016522A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3915497A DE3915497C1 (enExample) 1989-05-12 1989-05-12
DEP3915497.1 1989-05-12

Publications (1)

Publication Number Publication Date
CA2016522A1 true CA2016522A1 (en) 1990-11-12

Family

ID=6380499

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002016522A Abandoned CA2016522A1 (en) 1989-05-12 1990-05-10 Aluminum oxide powders having improved processing properties, processes for their production and their use

Country Status (6)

Country Link
EP (1) EP0396988B1 (enExample)
JP (1) JPH02296717A (enExample)
KR (1) KR900017913A (enExample)
AT (1) ATE90317T1 (enExample)
CA (1) CA2016522A1 (enExample)
DE (1) DE3915497C1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5266536A (en) * 1990-07-30 1993-11-30 Tioxide Group Services Limited Ceramic green bodies

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9123280D0 (en) * 1991-11-02 1991-12-18 Tioxide Group Services Ltd Metallic oxides
SG46650A1 (en) * 1993-04-30 1998-02-20 Hermes Schleifmittel Gmbh & Co Ceramic corundum abbrasive
DE69634164T2 (de) * 1995-08-24 2005-12-22 Kinsei Matec Co., Ltd., Osaka Aluminiumoxydteilchen mit erhöhter Dispergierbarkeit und Plastizität und Verfahren zu ihrer Herstellung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3512124A1 (de) * 1985-04-03 1986-10-16 Bayer Ag, 5090 Leverkusen Eisenoxidrotpigmente mit verbesserten koloristischen eigenschaften, verfahren zu deren herstellung sowie ihre verwendung
SE453747B (sv) * 1986-07-10 1988-02-29 Svenska Silikatforskning Forfaringssett for ytmodifiering av oxidiska och icke-oxidiska keramiska ramaterial

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5266536A (en) * 1990-07-30 1993-11-30 Tioxide Group Services Limited Ceramic green bodies

Also Published As

Publication number Publication date
KR900017913A (ko) 1990-12-20
EP0396988B1 (en) 1993-06-09
ATE90317T1 (de) 1993-06-15
EP0396988A3 (de) 1991-07-31
JPH02296717A (ja) 1990-12-07
EP0396988A2 (de) 1990-11-14
DE3915497C1 (enExample) 1990-10-18

Similar Documents

Publication Publication Date Title
Ogihara et al. Processing of monodispersed ZrO2 powders
US5009876A (en) Method of manufacturing barium titanate BaTiO3
US5039452A (en) Metal oxide varistors, precursor powder compositions and methods for preparing same
US5096642A (en) Process for producing a high density ceramic of perovskite
US4820593A (en) Stabilised metallic oxides
US6368378B2 (en) Paste to be fired for forming circuit board and method for preparing surface-modified silver powder
Kulig et al. Sol-gel coating of silicon nitride with Mg− Al oxide sintering aid
EP0116436B1 (en) Alumina sols
US5914287A (en) Hydroxide-coated rare earth oxide particles
CA2016522A1 (en) Aluminum oxide powders having improved processing properties, processes for their production and their use
EP0490500B1 (en) Stabilised metal oxides
WO1988002921A2 (en) Metal oxide varistors, precursor powder compositions and methods for preparing same
US5134100A (en) Mixture of raw materials with improved processing properties, a process for their preparation and their use
CA1087374A (en) METHOD FOR PREPARING SHAPED, GREEN CERAMIC COMPACTS FROM HIGHLY FLOWABLE AND FILLABLE POWDERS CONTAINING .beta.-AND /OR .beta."-AL.SUB.2O.SUB.3
US6733882B2 (en) Rare earth hydroxide and method for the preparation thereof
SI20973A (sl) Sintrno pomožno sredstvo na osnovi silikata in postopek
EP0107700B1 (en) Method for fabricating ceramic materials
Fukui et al. Preparation of fine powders with perovskite structure from metal alkoxides
KR100481057B1 (ko) 알루미나-지르코니아 복합체의 제조방법
JPH0688788B2 (ja) 低温焼結性pzt系圧電セラミツクス粉末の製造方法
Zhang et al. In situ surface modification of silicon carbide particles using Al3+ complexes and polyelectrolytes in aqueous suspensions
JPH06510738A (ja) 耐熱性セラミック
Hayashi et al. Preparation and properties of Nb-coated barium titanate composite particles by surface modification with Nb alkoxide in hydrophobic solvent
JPH0967119A (ja) 希土類元素酸化物
Agrawal et al. Coated powders for ceramics and composites

Legal Events

Date Code Title Description
FZDE Discontinued