HK1061009A1 - Spherical alumina particles and production process thereof - Google Patents

Spherical alumina particles and production process thereof

Info

Publication number
HK1061009A1
HK1061009A1 HK04103982.0A HK04103982A HK1061009A1 HK 1061009 A1 HK1061009 A1 HK 1061009A1 HK 04103982 A HK04103982 A HK 04103982A HK 1061009 A1 HK1061009 A1 HK 1061009A1
Authority
HK
Hong Kong
Prior art keywords
production process
alumina particles
spherical alumina
spherical
particles
Prior art date
Application number
HK04103982.0A
Inventor
Eiji Kanbara
Tomiharu Yamada
Original Assignee
Showa Denko Kk
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
Priority claimed from PCT/JP2002/005155 external-priority patent/WO2002098795A1/en
Application filed by Showa Denko Kk filed Critical Showa Denko Kk
Publication of HK1061009A1 publication Critical patent/HK1061009A1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/40—Compounds of aluminium
    • C09C1/407—Aluminium 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
    • 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
    • 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
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/02—Amorphous compounds
    • 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
    • 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
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/22—Rheological behaviour as dispersion, e.g. viscosity, sedimentation stability
    • 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
    • C01P2006/32—Thermal properties
    • 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
    • C01P2006/44—Alpha, beta or gamma radiation related properties

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Compositions Of Oxide Ceramics (AREA)
HK04103982.0A 2001-05-30 2004-06-03 Spherical alumina particles and production process thereof HK1061009A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001163187A JP2002348115A (en) 2001-05-30 2001-05-30 Alumina particle and method for producing the same
PCT/JP2002/005155 WO2002098795A1 (en) 2001-05-30 2002-05-28 Spherical alumina particles and production process thereof

Publications (1)

Publication Number Publication Date
HK1061009A1 true HK1061009A1 (en) 2004-09-03

Family

ID=19006204

Family Applications (1)

Application Number Title Priority Date Filing Date
HK04103982.0A HK1061009A1 (en) 2001-05-30 2004-06-03 Spherical alumina particles and production process thereof

Country Status (3)

Country Link
JP (1) JP2002348115A (en)
CN (1) CN100467380C (en)
HK (1) HK1061009A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005022963A (en) * 2003-06-12 2005-01-27 Showa Denko Kk Method of producing alumina particle, and composition
WO2009017170A1 (en) * 2007-07-31 2009-02-05 Denki Kagaku Kogyo Kabushiki Kaisha Alumina powder, process for producing the same, and composition containing the same
JP2010126385A (en) * 2008-11-26 2010-06-10 Denki Kagaku Kogyo Kk Spherical alumina powder and method for producing the same
CN104891540B (en) * 2015-06-18 2016-09-28 成都华泽晶体材料有限公司 A kind of preparation method of micron of spherical alpha alumina powder of class
CN113264543A (en) * 2021-04-14 2021-08-17 雅安百图高新材料股份有限公司 Control method for maximum particle size of spherical alumina
CN113173779B (en) * 2021-04-29 2023-07-21 江西工陶院精细陶瓷有限公司 Alumina filler particles, preparation method thereof and preparation method of alumina filler balls
CN115947361A (en) * 2022-11-21 2023-04-11 江苏联瑞新材料股份有限公司 Low-radioactivity alumina powder and preparation method thereof

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5215498A (en) * 1975-07-28 1977-02-05 Showa Denko Kk Process for production of granular corrundum
JPS62191420A (en) * 1986-02-17 1987-08-21 Showa Alum Ind Kk Spherical corundum particle and production thereof
JPS6320340A (en) * 1986-07-14 1988-01-28 Showa Denko Kk Highly thermally conductive rubber/plastic composition
TW197458B (en) * 1991-02-14 1993-01-01 Ciba Geigy Ag
JP2624069B2 (en) * 1991-11-28 1997-06-25 昭和電工株式会社 Spherical corundum particles
JPH07206432A (en) * 1993-11-25 1995-08-08 Sumitomo Chem Co Ltd Alpha-alumina powder and its production
JPH07206431A (en) * 1993-11-30 1995-08-08 Sumitomo Chem Co Ltd Production of alpha-alumina powder
JP3652460B2 (en) * 1996-12-02 2005-05-25 株式会社メイト Resin composition
JPH10120901A (en) * 1996-10-16 1998-05-12 Kureha Chem Ind Co Ltd Resin composition

Also Published As

Publication number Publication date
JP2002348115A (en) 2002-12-04
CN100467380C (en) 2009-03-11
CN1463250A (en) 2003-12-24

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Legal Events

Date Code Title Description
PE Patent expired

Effective date: 20220527