JP2006102737A5 - - Google Patents

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JP2006102737A5
JP2006102737A5 JP2005046086A JP2005046086A JP2006102737A5 JP 2006102737 A5 JP2006102737 A5 JP 2006102737A5 JP 2005046086 A JP2005046086 A JP 2005046086A JP 2005046086 A JP2005046086 A JP 2005046086A JP 2006102737 A5 JP2006102737 A5 JP 2006102737A5
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JP
Japan
Prior art keywords
fine particles
materials
kerosene
powder raw
aluminum
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JP2005046086A
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Japanese (ja)
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JP4794869B2 (en
JP2006102737A (en
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Priority claimed from JP2005046086A external-priority patent/JP4794869B2/en
Priority to JP2005046086A priority Critical patent/JP4794869B2/en
Priority to KR1020077007949A priority patent/KR101207602B1/en
Priority to PCT/JP2005/016434 priority patent/WO2006028140A1/en
Priority to US11/574,785 priority patent/US7828999B2/en
Priority to CA2579539A priority patent/CA2579539C/en
Priority to CA2771947A priority patent/CA2771947C/en
Publication of JP2006102737A publication Critical patent/JP2006102737A/en
Publication of JP2006102737A5 publication Critical patent/JP2006102737A5/ja
Publication of JP4794869B2 publication Critical patent/JP4794869B2/en
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酸化物微粒子,窒化物微粒子,炭化物微粒子等の微粒子は、半導体基板,プリント基板,各種電気絶縁部品などの電気絶縁材料や、ダイス,軸受などの高硬度高精度の機械工作材料や、粒界コンデンサ,湿度センサなどの機能性材料、精密焼結成形材料などの焼結体の製造や、エンジンバルブなどのような高温耐摩耗性が要求される材料などの溶射部品製造、さらには燃料電池の電極や電解質材料および各種触媒などの分野で用いられている。このような微粒子を用いることにより、焼結体や溶射部品などにおける異種セラミックス同士や異種金属同士の接合強度や緻密性、あるいは機能性を向上させている。 Fine particles such as oxide fine particles, nitride fine particles, and carbide fine particles are used for electrical insulating materials such as semiconductor substrates, printed circuit boards, and various electric insulating parts, high-hardness and high-precision machine tool materials such as dies and bearings, and grain boundary capacitors. , Production of sintered materials such as functional materials such as humidity sensors, precision sintered molding materials, thermal spray parts such as materials that require high-temperature wear resistance such as engine valves, and fuel cell electrodes And electrolyte materials and various catalysts. By using such fine particles, the bonding strength, denseness, or functionality of dissimilar ceramics or dissimilar metals in a sintered body or a sprayed part is improved.

第一の実施形態に係る微粒子の製造方法により、酸化アルミニウム(Al)の微粒子を製造した。まず、粉末原材料,分散剤(ソルビタン脂肪酸エステル),分散媒としてのアルコールとを混合し、それらと直径0.5mmのジルコニアビーズをビーズミル(寿工業株式会社製)に投入し、この混合溶液を粉砕処理した。このとき、粉末原材料として、酸化アルミニウムを用い、質量比が粉末原材料:分散剤:アルコール=65:1:34となるように混合したものを用いた。 Fine particles of aluminum oxide (Al 2 O 3 ) were produced by the method for producing fine particles according to the first embodiment. First, powder raw materials, a dispersant (sorbitan fatty acid ester) and alcohol as a dispersion medium are mixed, and these and zirconia beads having a diameter of 0.5 mm are put into a bead mill (manufactured by Kotobuki Industries Co., Ltd.), and this mixed solution is pulverized. Processed. At this time, as a powder raw material, using an acid of aluminum, the mass ratio of powder Ingredients: Dispersant: alcohol = 65: 1: was used 34 as a mixture so.

本実施例では、第三の実施形態に係る微粒子の製造方法により、硝酸アルミニウム(Al(NOの微粒子を製造した。まず、金属塩である硝酸アルミニウムを水に溶解させ、20wt%の硝酸アルミニウム水溶液を調製した
また、可燃性材料としては、実施例1で用いたと同じケロシン(和光純薬工業株式会社製、ケロシン(Sp.Gr.0.78〜0.79))を用いた。ケロシンの添加量は、粉末原材料を含む水溶液の総質量に対するケロシン量[wt%]で15[wt%]とした。
In this example, fine particles of aluminum nitrate (Al (NO 3 ) 3 were produced by the fine particle production method according to the third embodiment. First, aluminum nitrate, which is a metal salt, was dissolved in water, and 20 wt% An aqueous aluminum nitrate solution was prepared .
As the combustible material, the same kerosene used in Example 1 (manufactured by Wako Pure Chemical Industries, Ltd., kerosene (Sp. Gr. 0.78 to 0.79)) was used. The amount of kerosene added was 15 [wt%] in the amount of kerosene [wt%] based on the total mass of the aqueous solution containing the powder raw material.

JP2005046086A 2004-09-07 2005-02-22 Method for producing fine particles Active JP4794869B2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2005046086A JP4794869B2 (en) 2004-09-07 2005-02-22 Method for producing fine particles
CA2579539A CA2579539C (en) 2004-09-07 2005-09-07 Process and apparatus for producing fine particles
PCT/JP2005/016434 WO2006028140A1 (en) 2004-09-07 2005-09-07 Process and apparatus for producing fine particle
US11/574,785 US7828999B2 (en) 2004-09-07 2005-09-07 Process and apparatus for producing fine particles
KR1020077007949A KR101207602B1 (en) 2004-09-07 2005-09-07 Process and apparatus for producing fine particle
CA2771947A CA2771947C (en) 2004-09-07 2005-09-07 Process and apparatus for producing fine particles

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2004259740 2004-09-07
JP2004259740 2004-09-07
JP2005046086A JP4794869B2 (en) 2004-09-07 2005-02-22 Method for producing fine particles

Publications (3)

Publication Number Publication Date
JP2006102737A JP2006102737A (en) 2006-04-20
JP2006102737A5 true JP2006102737A5 (en) 2007-09-13
JP4794869B2 JP4794869B2 (en) 2011-10-19

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JP2005046086A Active JP4794869B2 (en) 2004-09-07 2005-02-22 Method for producing fine particles

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JP (1) JP4794869B2 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008117655A1 (en) * 2007-03-23 2008-10-02 Kabushiki Kaisha Toshiba Method for producing tungsten trioxide powder for photocatalyst, tungsten trioxide powder for photocatalyst, and photocatalyst product
JP4304221B2 (en) * 2007-07-23 2009-07-29 大陽日酸株式会社 Method for producing metal ultrafine powder
WO2009031316A1 (en) 2007-09-05 2009-03-12 Kabushiki Kaisha Toshiba Visible-light-responsive photocatalyst powder, and visible-light-responsive photocatalyst material, photocatalytic coating material, and photocatalytic product each containing the same
EP2186560B1 (en) 2007-09-05 2023-01-04 Kabushiki Kaisha Toshiba Visible-light-responsive photocatalyst powder and method for manufacturing the same
WO2009096177A1 (en) 2008-01-28 2009-08-06 Kabushiki Kaisha Toshiba Visible light response-type photocatalyst powder, visible light response-type photocatalyst material using the visible light response-type photocatalyst powder, photocatalyst coating material, and photocatalyst product
JP5597532B2 (en) 2008-03-04 2014-10-01 株式会社東芝 Hydrophilic member and hydrophilic product using the same
JP5641926B2 (en) 2008-03-04 2014-12-17 株式会社東芝 Aqueous dispersion and paint using the same
JP5453281B2 (en) * 2008-09-16 2014-03-26 株式会社東芝 Hydrophilic film and member and structure using the same
JP5139386B2 (en) * 2009-09-01 2013-02-06 有限会社 ナプラ Nano-spherical particles having a composite structure, powder, and manufacturing method thereof
JP5362614B2 (en) * 2010-02-16 2013-12-11 日清エンジニアリング株式会社 Method for producing silicon monoxide fine particles and silicon monoxide fine particles
JP5363397B2 (en) * 2010-03-31 2013-12-11 日清エンジニアリング株式会社 Method for producing silicon / silicon carbide composite fine particles
CN103747868B (en) * 2011-08-23 2018-06-15 株式会社东芝 Cation adsorbent and the processing method using its solution
KR20150027124A (en) * 2012-06-28 2015-03-11 닛신 엔지니어링 가부시키가이샤 Method for production of titanium carbide microparticles
KR102343903B1 (en) * 2016-04-14 2021-12-30 주식회사 풍산홀딩스 Method for manufacturing uniform oxygen passivation layer on silver nano metal powder using thermal plasma and apparatus for manufacturing the same

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04282872A (en) * 1991-03-11 1992-10-07 Mitsubishi Electric Corp Photoelectric conversion circuit
JP3033861B2 (en) * 1991-08-30 2000-04-17 豊信 吉田 Powder supply device
JPH0629099A (en) * 1992-01-30 1994-02-04 Toyo Ink Mfg Co Ltd Induction plasma device
JPH07124503A (en) * 1993-11-01 1995-05-16 Mitsubishi Chem Corp Binary fluid nozzle and spray drying method using the same
JP4554782B2 (en) * 2000-08-10 2010-09-29 新日鉄エンジニアリング株式会社 Two-fluid nozzle
JP2005170760A (en) * 2003-12-12 2005-06-30 Nisshin Seifun Group Inc Fine particle and method of manufacturing the same

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