JP2006111508A - 酸化アルミニウム粉末の製造法 - Google Patents
酸化アルミニウム粉末の製造法 Download PDFInfo
- Publication number
- JP2006111508A JP2006111508A JP2004303283A JP2004303283A JP2006111508A JP 2006111508 A JP2006111508 A JP 2006111508A JP 2004303283 A JP2004303283 A JP 2004303283A JP 2004303283 A JP2004303283 A JP 2004303283A JP 2006111508 A JP2006111508 A JP 2006111508A
- Authority
- JP
- Japan
- Prior art keywords
- aluminum oxide
- oxide powder
- average particle
- powder
- pulverized
- 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.)
- Granted
Links
- 239000000843 powder Substances 0.000 title claims abstract description 60
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 239000002245 particle Substances 0.000 claims abstract description 56
- 239000012535 impurity Substances 0.000 claims abstract description 40
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000002994 raw material Substances 0.000 claims description 15
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000000227 grinding Methods 0.000 abstract description 4
- 238000000053 physical method Methods 0.000 abstract description 3
- 238000010298 pulverizing process Methods 0.000 description 15
- 239000000463 material Substances 0.000 description 8
- 238000009826 distribution Methods 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 238000007751 thermal spraying Methods 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000012770 industrial material Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 239000011802 pulverized particle Substances 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000000790 scattering method Methods 0.000 description 1
- 238000010333 wet classification Methods 0.000 description 1
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
-
- 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
- C01F7/022—Classification
-
- 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
- C01F7/027—Treatment involving fusion or vaporisation
-
- 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
- C01F7/46—Purification of aluminium oxide, aluminium hydroxide or aluminates
-
- 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
- C01P2006/80—Compositional purity
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S423/00—Chemistry of inorganic compounds
- Y10S423/09—Reaction techniques
- Y10S423/15—Comminution
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
【解決手段】 電融アルミナをバッチ式にて粉砕し、得られた粉砕品を分級して、不純物含有量の異なる酸化アルミニウム粉末を製造することを特徴とする、酸化アルミニウム粉末の製造法。より小さい平均粒子径に粉砕し、より大きな平均粒子の粉末を分級により分取することで、高純度の酸化アルミニウムを得ることができる。
【選択図】 なし
Description
0.1≦R/R1≦3
電融アルミナの原料A(平均粒径3mm、純度99.81%)をボールミルにより粉砕して、平均粒径が30μmの粉砕品A0を得た。この粉砕品Aを湿式分級により分級して平均粒径1、2、4、13および30μmの整粒品A1〜5を得た。
電融アルミナの原料B(平均粒径200μm、純度99.67%)を用いて、試験例1と同様に平均粒径が30μmの粉砕品B0を得た。さらに、この粉砕品をそれぞれ分級して、平均粒径1、2、4、13および30μmの整粒品B1〜5を得た。得られた粉砕品および各整粒品の成分は表2に示すとおりであった。
電融アルミナの原料C(平均粒径200μm、純度99.67%)を用いて、試験例1と同様にそれぞれ平均粒径30μmおよび60μmの粉砕品C1およびC2を得た。さらに、これらのこの粉砕品Cをそれぞれ分級して、平均粒径が30μmの整粒品C3およびC4を得た。得られた粉砕品および整粒品の成分は表3に示すとおりであった。
Claims (5)
- 電融アルミナをバッチ式にて粉砕し、得られた粉砕品を分級して、不純物含有量の異なる酸化アルミニウム粉末を製造することを特徴とする、酸化アルミニウム粉末の製造法。
- 分級後の酸化アルミニウム粉末の不純物含有量が原料の電融アルミナの不純物含有量の50%以下である、請求項1に記載の方法。
- 電融アルミナをバッチ式にて平均粒子径R1の粉末に粉砕し、得られた粉砕品を分級して、平均粒子径Rの酸化アルミニウム粉末を製造する酸化アルミニウム粉末の製造法であって、前記R1とRとが、下記の関係を満たすものであることを特徴とする、酸化アルミニウム粉末の製造法。
0.1≦R/R1≦3 - 請求項1〜3のいずれかに記載の方法で製造された、平均粒子径が5〜35μmである酸化アルミニウム粉末。
- 純度が99.50%以上である、請求項4に記載の酸化アルミニウム粉末。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004303283A JP4932148B2 (ja) | 2004-10-18 | 2004-10-18 | 酸化アルミニウム粉末の製造法 |
US11/249,267 US7223379B2 (en) | 2004-10-18 | 2005-10-14 | Process for producing aluminum oxide powder |
KR1020050096887A KR101257501B1 (ko) | 2004-10-18 | 2005-10-14 | 산화 알루미늄 분말의 제조방법 |
TW094136220A TWI374858B (en) | 2004-10-18 | 2005-10-17 | Process for producing aluminum oxide powder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004303283A JP4932148B2 (ja) | 2004-10-18 | 2004-10-18 | 酸化アルミニウム粉末の製造法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006111508A true JP2006111508A (ja) | 2006-04-27 |
JP4932148B2 JP4932148B2 (ja) | 2012-05-16 |
Family
ID=36205335
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004303283A Active JP4932148B2 (ja) | 2004-10-18 | 2004-10-18 | 酸化アルミニウム粉末の製造法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7223379B2 (ja) |
JP (1) | JP4932148B2 (ja) |
KR (1) | KR101257501B1 (ja) |
TW (1) | TWI374858B (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20150009355A (ko) * | 2013-07-16 | 2015-01-26 | 삼성전기주식회사 | 인쇄회로기판 필러용 알루미나 파우더 제조 방법 및 이를 포함하는 인쇄회로기판용 수지 조성물 |
WO2019123833A1 (ja) * | 2017-12-19 | 2019-06-27 | 昭和電工株式会社 | 電融アルミナ粒、電融アルミナ粒の製造方法、砥石及び研磨布紙 |
JP7406444B2 (ja) | 2020-04-22 | 2023-12-27 | 株式会社アドマテックス | 球状粒子材料の製造方法 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100803048B1 (ko) * | 2007-08-31 | 2008-02-22 | (주)제이피에스 마이크로텍 | 박편상의 산화알루미늄의 제조방법 |
CN103241754B (zh) * | 2013-05-16 | 2014-08-06 | 贵阳一晶相光电科技有限公司 | 一种高纯氧化铝的生产方法 |
CN105731508A (zh) * | 2016-01-29 | 2016-07-06 | 常州达奥新材料科技有限公司 | 一种利用铝灰制备高活性氧化铝粉体的方法 |
CN106278331B (zh) * | 2016-08-27 | 2019-10-25 | 中冶武汉冶金建筑研究院有限公司 | 一种用于高炉缓冲缝的高铝质缓冲泥浆 |
Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS4834680B1 (ja) * | 1968-11-15 | 1973-10-23 | ||
JPS61132513A (ja) * | 1984-11-28 | 1986-06-20 | Asahi Chem Ind Co Ltd | αアルミナ粉末とその製法 |
JPS6320340A (ja) * | 1986-07-14 | 1988-01-28 | Showa Denko Kk | 高熱伝導性ゴム・プラスチック組成物 |
JPS63288909A (ja) * | 1987-02-19 | 1988-11-25 | ケラモント、リサーチ、コーポレーション | サブミクロン粒径を有するα−アルミナ粉末を得る方法 |
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JPH06191836A (ja) * | 1992-06-02 | 1994-07-12 | Sumitomo Chem Co Ltd | α−アルミナ |
JPH0770766A (ja) * | 1993-09-02 | 1995-03-14 | Kyocera Corp | 気泡発生装置 |
JPH10324519A (ja) * | 1997-05-20 | 1998-12-08 | Chichibu Onoda Cement Corp | 易焼結性高純度アルミナ粉末の製造方法 |
JPH11200030A (ja) * | 1998-01-20 | 1999-07-27 | Sumitomo Chem Co Ltd | スパッタリングターゲット用バッキングプレート |
JP2003176127A (ja) * | 2001-08-08 | 2003-06-24 | Showa Denko Kk | コージエライトセラミックス用α−アルミナ、該α−アルミナの製造方法及び該α−アルミナを用いた構造物 |
WO2004035216A1 (ja) * | 2002-10-18 | 2004-04-29 | Showa Denko K.K. | 乾式粉砕装置および乾式粉砕方法 |
JP2004155630A (ja) * | 2002-11-08 | 2004-06-03 | Showa Denko Kk | アルミナ粒子及びその製造方法 |
Family Cites Families (5)
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US5340781A (en) * | 1986-07-14 | 1994-08-23 | Showa Denko Kabushiki Kaisha | Spherical corundum particles, process for preparation thereof and rubber or plastic composition having high thermal conductivity and having spherical corundum paticles incorporated therein |
JP3893823B2 (ja) | 1999-12-24 | 2007-03-14 | 住友化学株式会社 | 低ソーダアルミナの製造方法 |
US7053018B2 (en) * | 2001-05-30 | 2006-05-30 | Showa Denko K.K. | Spherical alumina particles and production process thereof |
JP5103700B2 (ja) | 2001-06-26 | 2012-12-19 | 住友化学株式会社 | 低ソーダアルミナの製造方法 |
US20050182172A1 (en) * | 2001-12-27 | 2005-08-18 | Katsuhiko Kamimura | Particulate alumina, method for producing particulate alumina and composition containing particulate alumina |
-
2004
- 2004-10-18 JP JP2004303283A patent/JP4932148B2/ja active Active
-
2005
- 2005-10-14 US US11/249,267 patent/US7223379B2/en active Active
- 2005-10-14 KR KR1020050096887A patent/KR101257501B1/ko active IP Right Grant
- 2005-10-17 TW TW094136220A patent/TWI374858B/zh active
Patent Citations (14)
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JPS4834680B1 (ja) * | 1968-11-15 | 1973-10-23 | ||
JPS61132513A (ja) * | 1984-11-28 | 1986-06-20 | Asahi Chem Ind Co Ltd | αアルミナ粉末とその製法 |
JPS6320340A (ja) * | 1986-07-14 | 1988-01-28 | Showa Denko Kk | 高熱伝導性ゴム・プラスチック組成物 |
JPS63288909A (ja) * | 1987-02-19 | 1988-11-25 | ケラモント、リサーチ、コーポレーション | サブミクロン粒径を有するα−アルミナ粉末を得る方法 |
JPH04238856A (ja) * | 1991-01-14 | 1992-08-26 | Sumitomo Chem Co Ltd | 透光性アルミナ原料粉末の製造方法 |
JPH06191836A (ja) * | 1992-06-02 | 1994-07-12 | Sumitomo Chem Co Ltd | α−アルミナ |
JPH06144831A (ja) * | 1992-10-30 | 1994-05-24 | Showa Denko Kk | 微粒・易焼結性アルミナの製造方法 |
JPH06144830A (ja) * | 1992-11-05 | 1994-05-24 | Showa Denko Kk | 超易焼結性アルミナの製造方法 |
JPH0770766A (ja) * | 1993-09-02 | 1995-03-14 | Kyocera Corp | 気泡発生装置 |
JPH10324519A (ja) * | 1997-05-20 | 1998-12-08 | Chichibu Onoda Cement Corp | 易焼結性高純度アルミナ粉末の製造方法 |
JPH11200030A (ja) * | 1998-01-20 | 1999-07-27 | Sumitomo Chem Co Ltd | スパッタリングターゲット用バッキングプレート |
JP2003176127A (ja) * | 2001-08-08 | 2003-06-24 | Showa Denko Kk | コージエライトセラミックス用α−アルミナ、該α−アルミナの製造方法及び該α−アルミナを用いた構造物 |
WO2004035216A1 (ja) * | 2002-10-18 | 2004-04-29 | Showa Denko K.K. | 乾式粉砕装置および乾式粉砕方法 |
JP2004155630A (ja) * | 2002-11-08 | 2004-06-03 | Showa Denko Kk | アルミナ粒子及びその製造方法 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20150009355A (ko) * | 2013-07-16 | 2015-01-26 | 삼성전기주식회사 | 인쇄회로기판 필러용 알루미나 파우더 제조 방법 및 이를 포함하는 인쇄회로기판용 수지 조성물 |
KR101975458B1 (ko) | 2013-07-16 | 2019-05-07 | 삼성전기주식회사 | 인쇄회로기판 필러용 알루미나 파우더 제조 방법 및 이를 포함하는 인쇄회로기판용 수지 조성물 |
WO2019123833A1 (ja) * | 2017-12-19 | 2019-06-27 | 昭和電工株式会社 | 電融アルミナ粒、電融アルミナ粒の製造方法、砥石及び研磨布紙 |
JPWO2019123833A1 (ja) * | 2017-12-19 | 2020-07-16 | 昭和電工株式会社 | 電融アルミナ粒、電融アルミナ粒の製造方法、砥石及び研磨布紙 |
JP7406444B2 (ja) | 2020-04-22 | 2023-12-27 | 株式会社アドマテックス | 球状粒子材料の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
US20060086840A1 (en) | 2006-04-27 |
KR20060053996A (ko) | 2006-05-22 |
TWI374858B (en) | 2012-10-21 |
KR101257501B1 (ko) | 2013-04-23 |
TW200626500A (en) | 2006-08-01 |
JP4932148B2 (ja) | 2012-05-16 |
US7223379B2 (en) | 2007-05-29 |
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