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HK1061008A1 - Spherical alumina particles and production process thereof - Google Patents

Spherical alumina particles and production process thereof

Info

Publication number
HK1061008A1
HK1061008A1 HK04103978.6A HK04103978A HK1061008A1 HK 1061008 A1 HK1061008 A1 HK 1061008A1 HK 04103978 A HK04103978 A HK 04103978A HK 1061008 A1 HK1061008 A1 HK 1061008A1
Authority
HK
Hong Kong
Prior art keywords
production process
alumina particles
spherical alumina
spherical
particles
Prior art date
Application number
HK04103978.6A
Inventor
Eiji Kanbara
Susumu Shibusawa
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/JP2002/005156 external-priority patent/WO2002098796A1/en
Application filed by Showa Denko Kk filed Critical Showa Denko Kk
Publication of HK1061008A1 publication Critical patent/HK1061008A1/en

Links

HK04103978.6A 2001-05-30 2004-06-03 Spherical alumina particles and production process thereof HK1061008A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001163188A JP4920141B2 (en) 2001-05-30 2001-05-30 Alumina particles and method for producing the same
PCT/JP2002/005156 WO2002098796A1 (en) 2001-05-30 2002-05-28 Spherical alumina particles and production process thereof

Publications (1)

Publication Number Publication Date
HK1061008A1 true HK1061008A1 (en) 2004-09-03

Family

ID=19006205

Family Applications (1)

Application Number Title Priority Date Filing Date
HK04103978.6A HK1061008A1 (en) 2001-05-30 2004-06-03 Spherical alumina particles and production process thereof

Country Status (3)

Country Link
JP (1) JP4920141B2 (en)
CN (1) CN100469698C (en)
HK (1) HK1061008A1 (en)

Families Citing this family (16)

* 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
CN100567158C (en) 2004-03-15 2009-12-09 昭和电工株式会社 Roundish fused alumina particles, its production method and comprise this particulate resin combination
JP2005263529A (en) * 2004-03-17 2005-09-29 Sumitomo Chemical Co Ltd Method for producing low alkali activated alumina
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
US20110046267A1 (en) * 2008-04-30 2011-02-24 Denki Kagaku Kogyo Kabushiki Kaisha Alumina powder, process for its production and resin composition employing it
JP2010126385A (en) * 2008-11-26 2010-06-10 Denki Kagaku Kogyo Kk Spherical alumina powder and method for producing the same
CN102976368A (en) * 2011-09-06 2013-03-20 天华化工机械及自动化研究设计院有限公司 Method for lowering inorganic ultrafine powder slurry moisture content by adding rotary drum pressurizing type filtering machine
CN102674418A (en) * 2012-05-24 2012-09-19 大连海蓝光电材料有限公司 Method for preparing high-purity alumina particles
CN108025980B (en) * 2015-09-16 2021-12-21 大日精化工业株式会社 Alumina-based thermally conductive oxide and method for producing same
JP6209695B1 (en) * 2017-03-02 2017-10-04 大日精化工業株式会社 Alumina-based thermally conductive oxide and method for producing the same
CN109206123B (en) * 2017-06-30 2022-04-29 全球能源互联网研究院 Synthetic aluminum ceramic pad block for filling air gap of high-voltage shunt reactor and preparation method thereof
US20200239369A1 (en) * 2017-12-19 2020-07-30 Showa Denko K.K. Fused alumina grains, method for producing fused alumina grains, grindstone, and coated abrasive
CN111836780A (en) 2019-02-18 2020-10-27 株式会社亚都玛科技 Particle material and heat conductive substance
JP7406444B2 (en) * 2020-04-22 2023-12-27 株式会社アドマテックス Method for producing spherical particle material
CN113184886B (en) * 2021-04-14 2023-01-31 雅安百图高新材料股份有限公司 Preparation method and product of high-thermal-conductivity spherical alumina
CN116239134A (en) * 2022-12-07 2023-06-09 雅安百图高新材料股份有限公司 Treatment method of aluminum oxide calcined powder for heat conduction field

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 α-alumina powder and method for producing the same
JPH07206431A (en) * 1993-11-30 1995-08-08 Sumitomo Chem Co Ltd Method for producing α-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
CN1463251A (en) 2003-12-24
JP2002348116A (en) 2002-12-04
JP4920141B2 (en) 2012-04-18
CN100469698C (en) 2009-03-18

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Legal Events

Date Code Title Description
PE Patent expired

Effective date: 20220527