IL109236A - A-alumina powder and its production - Google Patents

A-alumina powder and its production

Info

Publication number
IL109236A
IL109236A IL10923694A IL10923694A IL109236A IL 109236 A IL109236 A IL 109236A IL 10923694 A IL10923694 A IL 10923694A IL 10923694 A IL10923694 A IL 10923694A IL 109236 A IL109236 A IL 109236A
Authority
IL
Israel
Prior art keywords
compound
alumina
alumina powder
shape
powder
Prior art date
Application number
IL10923694A
Other languages
English (en)
Hebrew (he)
Other versions
IL109236A0 (en
Original Assignee
Sumitomo Chemical Co
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 Sumitomo Chemical Co filed Critical Sumitomo Chemical Co
Publication of IL109236A0 publication Critical patent/IL109236A0/xx
Publication of IL109236A publication Critical patent/IL109236A/en

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
    • C01F7/30—Preparation of aluminium oxide or hydroxide by thermal decomposition or by hydrolysis or oxidation of aluminium compounds
    • C01F7/32—Thermal decomposition of sulfates including complex sulfates, e.g. alums
    • 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
    • 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
    • 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
    • C01P2004/30—Particle morphology extending in three dimensions
    • C01P2004/40—Particle morphology extending in three dimensions prism-like
    • 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
    • C01P2004/42—(bi)pyramid-like
    • 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
    • C01P2004/52—Particles with a specific particle size distribution highly monodisperse 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
    • C01P2004/54—Particles characterised by their aspect ratio, i.e. the ratio of sizes in the longest to the shortest dimension
    • 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
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/62—Submicrometer sized, i.e. from 0.1-1 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
    • C01P2006/11—Powder tap 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
    • C01P2006/21—Attrition-index or crushing strength of granulates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
IL10923694A 1993-04-13 1994-04-06 A-alumina powder and its production IL109236A (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP11097293 1993-04-13
JP11097193 1993-04-13
JP18891293 1993-06-30
JP18891493 1993-06-30
JP19427793 1993-07-08
JP31413193 1993-11-19
JP33875893 1993-12-01

Publications (2)

Publication Number Publication Date
IL109236A0 IL109236A0 (en) 1994-07-31
IL109236A true IL109236A (en) 1998-01-04

Family

ID=27565776

Family Applications (1)

Application Number Title Priority Date Filing Date
IL10923694A IL109236A (en) 1993-04-13 1994-04-06 A-alumina powder and its production

Country Status (8)

Country Link
US (2) US5935550A (zh)
EP (1) EP0620188B1 (zh)
CN (1) CN1069290C (zh)
AU (1) AU679489B2 (zh)
CA (1) CA2121198A1 (zh)
DE (1) DE69419342T2 (zh)
IL (1) IL109236A (zh)
RU (1) RU2118612C1 (zh)

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EP0679611B1 (en) * 1994-04-28 1999-07-28 Sumitomo Chemical Company Limited Method for producing alpha-alumina powder
DE69511050T2 (de) * 1994-11-30 2000-02-24 Sumitomo Chemical Co., Ltd. Verfahren zur Herstellung von Doppelmetalloxidpulvern
AUPN053395A0 (en) * 1995-01-12 1995-02-09 Alcoa Of Australia Limited Production of alpha alumina
EP1256548A4 (en) * 1999-12-27 2004-05-19 Showa Denko Kk ALUMINA PARTICLES, METHOD FOR THE PRODUCTION THEREOF. COMPOSITION COMPRISING SAID PARTICLES, AND POLISHING ALUMINA SLUDGE
US7067105B2 (en) * 1999-12-27 2006-06-27 Showa Denko K.K. Alumina particles, production process thereof, composition comprising the particles and alumina slurry for polishing
TW504497B (en) 2000-05-23 2002-10-01 Sumitomo Chemical Co Alpha-alumina powder and heat-conductive sheet containing the same
JP4122746B2 (ja) * 2001-05-21 2008-07-23 住友化学株式会社 微粒αアルミナ粉末の製造方法
DE60331636D1 (de) * 2002-03-22 2010-04-22 Holofiber Llc Verfahren zur steigerung der muskelleistung
JP2004123445A (ja) * 2002-10-02 2004-04-22 Sumitomo Chem Co Ltd αアルミナ粉末およびその製造方法
TW200422258A (en) * 2003-02-26 2004-11-01 Sumitomo Chemical Co Method for producing α-alumina powder
TWI348457B (en) * 2003-03-04 2011-09-11 Sumitomo Chemical Co Method for producing 帢-alumina particulate
TW200540116A (en) * 2004-03-16 2005-12-16 Sumitomo Chemical Co Method for producing an α-alumina powder
TWI367864B (en) * 2004-03-17 2012-07-11 Sumitomo Chemical Co A method for producing an α-alumina particle
JP4487689B2 (ja) * 2004-08-26 2010-06-23 日産自動車株式会社 アルミナ粒子、アルミナ粒子の製造方法、樹脂組成物、及び樹脂組成物の製造方法
US8536083B2 (en) 2004-09-01 2013-09-17 Shell Oil Company Olefin epoxidation process, a catalyst for use in the process, a carrier for use in preparing the catalyst, and a process for preparing the carrier
US7560411B2 (en) * 2004-09-01 2009-07-14 Shell Oil Company Olefin epoxidation process, a catalyst for use in the process, a carrier for use in preparing the catalyst, and a process for preparing the carrier
JP4940556B2 (ja) 2004-09-07 2012-05-30 日産自動車株式会社 樹脂組成物
US7935382B2 (en) * 2005-12-20 2011-05-03 Momentive Performance Materials, Inc. Method for making crystalline composition
CN103101943B (zh) * 2006-11-01 2015-10-07 陶氏环球技术公司 α-氧化铝的成形多孔体及其制备方法
MX2009007583A (es) 2007-01-15 2009-07-22 Saint Gobain Ceramics Material en particulas ceramico, y procedimientos para formar el mismo.
JP2008311221A (ja) * 2007-05-14 2008-12-25 Sumitomo Chemical Co Ltd 積層多孔質フィルム
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US8157912B2 (en) * 2007-09-11 2012-04-17 Osram Sylvania Inc. Method of converting PCA to sapphire and converted article
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US20110028770A1 (en) * 2009-08-03 2011-02-03 Honeywell International Inc. Hydrogenation catalyst
US9281095B2 (en) 2011-03-23 2016-03-08 Taimei Chemicals Co., Ltd. Alumina composite, method for manufacturing alumina composite, and polymer composition containing alumina composite
US10252945B2 (en) 2012-09-26 2019-04-09 Multiple Energy Technologies Llc Bioceramic compositions
WO2014051091A1 (ja) * 2012-09-28 2014-04-03 Dic株式会社 α－アルミナ微粒子及びその製造方法
AU2015256338A1 (en) 2014-05-05 2016-11-10 Multiple Energy Technologies Llc Bioceramic compositions and biomodulatory uses thereof
CN104528787B (zh) * 2014-12-19 2016-01-20 贵州天合国润高新材料科技有限公司 一种制备细粒径氧化铝粉末的方法
KR102070215B1 (ko) 2015-09-16 2020-01-29 다이니치 세이카 고교 가부시키가이샤 알루미나계 열 전도성 산화물 및 그의 제조 방법
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CN107540006A (zh) * 2016-06-29 2018-01-05 中国科学院大连化学物理研究所 一种微米尺寸的八面体氧化铝的制备方法
JP6607325B2 (ja) * 2016-12-22 2019-11-20 Ｄｉｃ株式会社 α−アルミナ粒子の製造方法および樹脂組成物の製造方法
FR3067617B1 (fr) * 2017-06-20 2019-07-19 Arkema France Catalyseur a base d'alumine alpha et procede d'hydrogenation d'une olefine en presence de celui-ci.
SI3674274T1 (sl) * 2017-12-19 2022-04-29 Showa Denko K.K. Taljena zrna aluminijevega oksida, postopek za izdelavo taljenih zrn aluminijevega oksida, brusilni kamen in oplaščeno abrazivno sredstvo
CN109835929B (zh) * 2019-04-15 2021-03-23 郑州鑫发材料科技有限公司 一种用匣钵煅烧制备片状α-氧化铝粉体的方法
CN112708928B (zh) * 2019-10-25 2021-10-08 中国石油化工股份有限公司 一种氧化铝晶粒及其制备方法
CN112978771B (zh) * 2019-12-02 2023-01-10 中国石油化工股份有限公司 一种高比表面γ-氧化铝八面体颗粒及其制备方法
CN112978776B (zh) * 2019-12-02 2023-01-10 中国石油化工股份有限公司 一种γ-氧化铝八面体颗粒及其制备方法
CN112897996B (zh) * 2021-01-27 2023-02-03 中铝山东有限公司 一种原晶粒集中的α氧化铝的制备方法及粒径的控制方法
CN113184886B (zh) * 2021-04-14 2023-01-31 雅安百图高新材料股份有限公司 一种高导热球形氧化铝的制备方法及产品
CN114656246B (zh) * 2022-04-01 2022-12-06 广东工业大学 一种正八面体α氧化铝及其制备方法和应用
CN115895453B (zh) * 2022-11-10 2023-09-08 湖北五方光电股份有限公司 一种红外截止滤光片用抛光液及其制备方法和应用

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Also Published As

Publication number Publication date
DE69419342D1 (de) 1999-08-12
AU679489B2 (en) 1997-07-03
IL109236A0 (en) 1994-07-31
US5935550A (en) 1999-08-10
EP0620188B1 (en) 1999-07-07
RU2118612C1 (ru) 1998-09-10
CN1095360A (zh) 1994-11-23
CA2121198A1 (en) 1994-10-14
US6159441A (en) 2000-12-12
CN1069290C (zh) 2001-08-08
DE69419342T2 (de) 1999-12-16
EP0620188A3 (en) 1995-09-20
AU5941094A (en) 1994-10-20
EP0620188A2 (en) 1994-10-19

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