DE3786249T4 - - Google Patents

Info

Publication number
DE3786249T4
DE3786249T4 DE87904570T DE3786249T DE3786249T4 DE 3786249 T4 DE3786249 T4 DE 3786249T4 DE 87904570 T DE87904570 T DE 87904570T DE 3786249 T DE3786249 T DE 3786249T DE 3786249 T4 DE3786249 T4 DE 3786249T4
Authority
DE
Germany
Prior art keywords
alumina
particle size
bodies
corundum
spherical
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 - Lifetime
Application number
DE87904570T
Other languages
German (de)
English (en)
Other versions
DE3786249T2 (de
DE3786249D1 (de
Inventor
Yukio Kanagawa 252 Oda
Jun 95-1 Kitayacho Kanagawa 211 Ogawa
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 DE3786249T2 publication Critical patent/DE3786249T2/de
Application granted granted Critical
Publication of DE3786249T4 publication Critical patent/DE3786249T4/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/20—Conductive material dispersed in non-conductive organic material
    • 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
    • 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
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/16—Solid spheres
    • C08K7/18—Solid spheres inorganic
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/002—Inhomogeneous material in general
    • H01B3/006—Other inhomogeneous material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
    • H01B3/10—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances metallic oxides
    • 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
    • C01P2004/01—Particle morphology depicted by an image
    • C01P2004/04—Particle morphology depicted by an image obtained by TEM, STEM, STM or AFM
    • 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
    • C01P2004/51—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
    • 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)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Dispersion Chemistry (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Geology (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)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
DE87904570T 1986-07-14 1987-07-14 Kugelförmige korundkörper, verfahren zu ihrer herstellung und sie enthaltende hochwärmeleitende gummi- und kunststoffzusammensetzungen. Expired - Lifetime DE3786249T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61163719A JPS6320340A (ja) 1986-07-14 1986-07-14 高熱伝導性ゴム・プラスチック組成物

Publications (2)

Publication Number Publication Date
DE3786249T2 DE3786249T2 (de) 1993-10-07
DE3786249T4 true DE3786249T4 (https=) 1994-02-10

Family

ID=15779350

Family Applications (2)

Application Number Title Priority Date Filing Date
DE87904570T Expired - Lifetime DE3786249T2 (de) 1986-07-14 1987-07-14 Kugelförmige korundkörper, verfahren zu ihrer herstellung und sie enthaltende hochwärmeleitende gummi- und kunststoffzusammensetzungen.
DE8787904570A Expired - Fee Related DE3786249D1 (de) 1986-07-14 1987-07-14 Kugelfoermige korundkoerper, verfahren zu ihrer herstellung und sie enthaltende hochwaermeleitende gummi- und kunststoffzusammensetzungen.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE8787904570A Expired - Fee Related DE3786249D1 (de) 1986-07-14 1987-07-14 Kugelfoermige korundkoerper, verfahren zu ihrer herstellung und sie enthaltende hochwaermeleitende gummi- und kunststoffzusammensetzungen.

Country Status (4)

Country Link
EP (1) EP0276321B1 (https=)
JP (1) JPS6320340A (https=)
DE (2) DE3786249T2 (https=)
WO (1) WO1988000573A1 (https=)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2694839A1 (fr) * 1992-08-14 1994-02-18 Protex Manuf Prod Chimiq Utilisation de corindon brun comme charge thermoconductrice dans des compositions polymères, en particulier des compositions d'enrobage électriquement isolantes.
DE69718034T2 (de) * 1996-10-16 2003-09-25 Kureha Kagaku Kogyo K.K., Tokio/Tokyo Polyphenylensulfid Harzzusammensetzung
JP3727450B2 (ja) * 1997-10-09 2005-12-14 ジーイー東芝シリコーン株式会社 定着ロール
JP2002146187A (ja) * 2000-11-08 2002-05-22 Toray Ind Inc ポリフェニレンスルフィド樹脂組成物
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
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
JP3807995B2 (ja) 2002-03-05 2006-08-09 ポリマテック株式会社 熱伝導性シート
KR20060020672A (ko) * 2003-06-12 2006-03-06 쇼와 덴코 가부시키가이샤 알루미나 입자의 제조방법 및 알루미나 입자를 함유하는조성물
JP2005022963A (ja) * 2003-06-12 2005-01-27 Showa Denko Kk アルミナ粒の製造方法及び組成物
US20090188701A1 (en) * 2004-01-08 2009-07-30 Hiroshi Tsuzuki Inorganic powder, resin composition filled with the powder and use thereof
JP4817683B2 (ja) * 2004-03-15 2011-11-16 昭和電工株式会社 丸味状電融アルミナ粒子、その製造方法およびそれを含有する樹脂組成物
TW200540116A (en) * 2004-03-16 2005-12-16 Sumitomo Chemical Co Method for producing an α-alumina powder
JP4932148B2 (ja) * 2004-10-18 2012-05-16 株式会社フジミインコーポレーテッド 酸化アルミニウム粉末の製造法
DE102005045180B4 (de) * 2005-09-21 2007-11-15 Center For Abrasives And Refractories Research & Development C.A.R.R.D. Gmbh Kugelförmige Korundkörner auf Basis von geschmolzenem Aluminiumoxid sowie ein Verfahren zu ihrer Herstellung
JP5227801B2 (ja) * 2006-10-31 2013-07-03 電気化学工業株式会社 アルミナ粉末及びその製造方法、並びにその用途
JP5224350B2 (ja) * 2008-08-11 2013-07-03 古河電気工業株式会社 非架橋樹脂組成物およびそれを用いた熱性能に優れる熱伝導性成形体
JP2013122029A (ja) * 2011-12-12 2013-06-20 Sumitomo Bakelite Co Ltd フィラー、絶縁層形成用組成物、絶縁層形成用フィルムおよび基板
CN115279695B (zh) * 2020-03-16 2024-07-05 三菱综合材料株式会社 无机填料粉末、导热性高分子组合物及无机填料粉末的制造方法
JP7829280B2 (ja) * 2021-02-18 2026-03-13 三菱マテリアル株式会社 無機フィラー粉末、熱伝導性高分子組成物、無機フィラー粉末の製造方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5822055B2 (ja) * 1979-06-15 1983-05-06 昭和電工株式会社 高分子物質用配合剤
DE3212297C2 (de) * 1982-03-29 1984-12-13 Schweizerische Aluminium Ag, Chippis Verfahren zur Herstellung grobkristalliner Tonerde
JPS6026505B2 (ja) * 1982-09-30 1985-06-24 新日本製鐵株式会社 無機充填樹脂組成物の製造方法
JPS5991137A (ja) * 1982-11-15 1984-05-25 Matsushita Electric Works Ltd 樹脂組成物
JPS62191420A (ja) * 1986-02-17 1987-08-21 Showa Alum Ind Kk 球状コランダム粒子の製造方法
JPH0626505B2 (ja) * 1988-06-16 1994-04-13 株式会社ヤクルト本社 ケフィア様乳製品の製造法

Also Published As

Publication number Publication date
DE3786249T2 (de) 1993-10-07
EP0276321A1 (en) 1988-08-03
JPH048465B2 (https=) 1992-02-17
WO1988000573A1 (fr) 1988-01-28
DE3786249D1 (de) 1993-07-22
JPS6320340A (ja) 1988-01-28
EP0276321B1 (en) 1993-06-16
EP0276321A4 (en) 1989-02-16

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