GB1552943A - Method for preparing corundum particles - Google Patents

Method for preparing corundum particles

Info

Publication number
GB1552943A
GB1552943A GB31508/76A GB3150876A GB1552943A GB 1552943 A GB1552943 A GB 1552943A GB 31508/76 A GB31508/76 A GB 31508/76A GB 3150876 A GB3150876 A GB 3150876A GB 1552943 A GB1552943 A GB 1552943A
Authority
GB
United Kingdom
Prior art keywords
corundum particles
preparing corundum
preparing
particles
corundum
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
Application number
GB31508/76A
Other languages
English (en)
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.)
Resonac Holdings Corp
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
Application filed by Showa Denko KK filed Critical Showa Denko KK
Publication of GB1552943A publication Critical patent/GB1552943A/en
Expired 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
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0036—Crystallisation on to a bed of product crystals; Seeding
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/10—Inorganic compounds or compositions
    • C30B29/16—Oxides
    • C30B29/20—Aluminium oxides
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B9/00—Single-crystal growth from melt solutions using molten solvents
    • 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
    • C01P2004/51—Particles with a specific particle size distribution
    • 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
    • C01P2006/10—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
GB31508/76A 1975-07-28 1976-07-28 Method for preparing corundum particles Expired GB1552943A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50091042A JPS5215498A (en) 1975-07-28 1975-07-28 Process for production of granular corrundum

Publications (1)

Publication Number Publication Date
GB1552943A true GB1552943A (en) 1979-09-19

Family

ID=14015436

Family Applications (1)

Application Number Title Priority Date Filing Date
GB31508/76A Expired GB1552943A (en) 1975-07-28 1976-07-28 Method for preparing corundum particles

Country Status (5)

Country Link
JP (1) JPS5215498A (enrdf_load_stackoverflow)
DE (1) DE2633045C3 (enrdf_load_stackoverflow)
FR (1) FR2319580A1 (enrdf_load_stackoverflow)
GB (1) GB1552943A (enrdf_load_stackoverflow)
NL (1) NL7608344A (enrdf_load_stackoverflow)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62248184A (ja) * 1987-03-26 1987-10-29 Sony Corp テ−プカセツト
FR2652075B1 (fr) * 1989-09-21 1991-12-06 Atochem Macrocristaux d'alumine alpha sous forme de plaquettes et procede d'obtention.
JPH0791468B2 (ja) * 1991-04-26 1995-10-04 信越化学工業株式会社 熱伝導性シリコーンゴム組成物
DE69326950T2 (de) * 1992-06-02 2000-04-20 Sumitomo Chemical Co., Ltd. Verfahren zur herstellung von alpha-aluminiumoxid
RU2171225C1 (ru) * 2000-04-06 2001-07-27 Общество с ограниченной ответственностью "Торговый дом "Абразивные заводы Урала" Способ получения нормального электрокорунда
JP2002348115A (ja) * 2001-05-30 2002-12-04 Showa Denko Kk アルミナ粒子及びその製造方法
JP4920141B2 (ja) * 2001-05-30 2012-04-18 昭和電工株式会社 アルミナ粒子及びその製造方法
RU2208583C1 (ru) * 2002-04-29 2003-07-20 Общество с ограниченной ответственностью "Торговый дом "Абразивные заводы Урала" Способ получения нормального электрокорунда
RU2205152C1 (ru) * 2002-05-07 2003-05-27 Богдановичское ОАО по производству огнеупорных материалов Способ получения плавленых огнеупорных материалов на основе глинозема

Also Published As

Publication number Publication date
JPS5722886B2 (enrdf_load_stackoverflow) 1982-05-15
FR2319580B3 (enrdf_load_stackoverflow) 1981-12-18
DE2633045A1 (de) 1977-02-17
NL7608344A (nl) 1977-02-01
FR2319580A1 (fr) 1977-02-25
DE2633045C3 (de) 1982-04-08
JPS5215498A (en) 1977-02-05
DE2633045B2 (de) 1980-12-18

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee