JP5268640B2 - 安定化されたアルミニウムジルコニウム混合酸化物粉末 - Google Patents
安定化されたアルミニウムジルコニウム混合酸化物粉末 Download PDFInfo
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Description
−酸化アルミニウム含量は0.01〜10質量%であり、かつ、混合酸化物粒子中で均一に分散されており、
−酸化アルミニウム、二酸化ジルコニウムおよび酸化イットリウムの含量は、粉末の全量に対して少なくとも99.5質量%であり、かつ、
−BET表面積は20〜80m2/gである。
−混合酸化物粉末中で後に望ましい割合に依存して、それぞれ酸化アルミニウム、二酸化ジルコニウムおよび第3の化合物のための少なくとも1種の出発化合物を含有する溶液を噴霧し、
−噴霧された溶液を、反応チャンバー中で700〜1500℃の反応温度で酸素と反応させることが可能であり、その際、酸素の量は、出発化合物を完全に変換させるために少なくとも十分であり、
−ホットガスおよび固体生成物を冷却し、かつ、
−その後に固体生成物をガスから分離する。
BET:DIN66131により測定
TEM/EDX:エネルギー分散X−線分析(EDX)
TEM:Jeol 2070−F;EDX:Noran Voyager 4.2.3
含量:粉末成分の含量は、X−線蛍光分析および/または化学分析により測定
分散液中の平均凝集体サイズ(d50値):粉末と水との1%混合物を、先ず、ディソルバーを用いて予備分散させた。この予備分散液を、その後に超音波を用いて分散させた。粒径を測定するための方法として光子相関分光(PCS)を使用した。
二酸化ジルコニウム出発化合物
Zr−1:2−エチルヘキサン酸のジルコニウム塩(ZrO2として)25.4;2−エチルヘキサン酸39.6;2−ブトキシエトキシルエタノール3.5;溶剤ナフサ31.5
Zr−2 :ジルコニウムテトラプロパニエート70;1−プロパノール30
Zr−3:2−エチルヘキサン酸のジルコニウム塩70;ナフサ30
酸化イットリウム化合物
Y−1:Y(NO3)3×6H2O 33.9;アセトン66.1
Y−2:Y(NO3)3×6H2O 16.9;2−ブタノール41.5;メチル−2−プロピルアセテート41.5
Y−3:2−エチルヘキサン酸のイットリウム塩30、ホワイトスピリット50;2−エチルヘキサン酸20
酸化アルミニウム出発化合物
Al−1:Al(sec−ブチレート)3 24.2、アセトン75.8
Al−2:Al(sec−ブチレート)3 24.2、溶剤ナフサ75.8
酸化ジルコニウム、イットリウムおよびアルミニウム出発材料の溶液を、表中に示された濃度で混合した。得られる混合物は安定なままであり、沈殿を形成しなかった。
Claims (8)
- 二酸化ジルコニウム、酸化アルミニウムおよび酸化イットリウムを成分として有する粒子から成る混合酸化物粉末の製造方法において、当該混合酸化物粉末は、
−酸化アルミニウム含量が0.01〜10質量%であり、かつ、混合酸化物粒子中で均一に分散されており、
−酸化アルミニウム、二酸化ジルコニウムおよび酸化イットリウムの含量が、粉末の全量に対して少なくとも99.5質量%であり、かつ、
−BET表面積が20〜80m2/gであって、
−混合酸化物粉末中で後に望ましい割合に依存して、酸化アルミニウム、二酸化ジルコニウムおよび酸化イットリウムのそれぞれに関して少なくとも1種の出発化合物を含有する溶液を噴霧し、
−噴霧された溶液を、反応チャンバー中で、700〜1500℃の反応温度で、酸素と反応させることが可能であり、その際、酸素の量は、出発化合物を完全に変換させるために少なくとも十分であり、
−ホットガスおよび固体生成物を冷却し、かつ、
−その後に、固体生成物をガスから分離することを特徴とする、前記混合酸化物粉末の製造方法。 - 出発化合物を、酸素、水素含有燃焼ガスおよび溶液の反応によって形成される火炎中で変換する、請求項1に記載の方法。
- 酸化アルミニウムのための出発化合物が、有機化合物由来である、請求項1または2に記載の方法。
- 二酸化ジルコニウムのための出発化合物が、有機化合物由来である、請求項1から3までのいずれか1項に記載の方法。
- 酸化イットリウムのための出発化合物が、無機および/または有機化合物由来である、請求項1から4までのいずれか1項に記載の方法。
- 出発化合物が、1種または複数種の有機溶剤中に溶解されて存在する、請求項1から5までのいずれか1項に記載の方法。
- 高温帯域中での出発化合物の滞留時間が5〜30ミリ秒である、請求項1から6までのいずれか1項に記載の方法。
- 火炎下500mmで測定された反応温度が800〜1200℃である、請求項2に記載の方法。
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Application Number | Priority Date | Filing Date | Title |
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DE102005040156A DE102005040156A1 (de) | 2005-08-25 | 2005-08-25 | Stabilisiertes Aluminium-Zirkon-Mischoxidpulver |
DE102005040156.2 | 2005-08-25 | ||
PCT/EP2006/064286 WO2007023033A1 (en) | 2005-08-25 | 2006-07-14 | Stabilised aluminium zirconium mixed oxide powder |
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JP5268640B2 true JP5268640B2 (ja) | 2013-08-21 |
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US (1) | US7731869B2 (ja) |
EP (1) | EP1917215B1 (ja) |
JP (1) | JP5268640B2 (ja) |
KR (1) | KR20080031451A (ja) |
CN (1) | CN101233083A (ja) |
AT (1) | ATE449036T1 (ja) |
DE (2) | DE102005040156A1 (ja) |
RU (1) | RU2008110947A (ja) |
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EP2053023A1 (de) * | 2007-10-23 | 2009-04-29 | Evonik Degussa GmbH | Zirkondioxid-Pulver und Zirkondioxid-Dispersion |
CN101538154B (zh) * | 2009-04-28 | 2012-01-25 | 上海景文材料科技发展有限公司 | 自发水热法制备陶瓷牙齿专用复合纳米陶瓷粉体 |
FR2968000B1 (fr) * | 2010-11-29 | 2013-03-08 | Saint Gobain Ct Recherches | Poudre de zircone yttriee fondue |
CN103332930B (zh) * | 2013-06-24 | 2015-01-07 | 珠海市香之君电子有限公司 | 高强度锆瓷餐具及其制备方法 |
CN104058742B (zh) * | 2014-06-13 | 2015-10-07 | 吉利 | 陶瓷托槽 |
CN105274372A (zh) * | 2015-12-07 | 2016-01-27 | 三祥新材股份有限公司 | 一种铝锆合金的制备方法 |
KR102098829B1 (ko) * | 2018-04-20 | 2020-04-09 | 나노팀 주식회사 | 고방열 탄소시트 및 이의 제조방법 |
CN108395246B (zh) * | 2018-05-15 | 2020-10-13 | 登腾(上海)医疗器械有限公司 | 一种高韧性口腔用纳米瓷粉材料的制备方法 |
CN108793980B (zh) * | 2018-07-10 | 2020-01-14 | 哈尔滨工业大学 | 一种燃烧合成水雾法制备氧化铝基固溶体陶瓷粉末的方法 |
CN109267131B (zh) * | 2018-09-06 | 2020-03-27 | 福铂斯(天津)科技有限公司 | 一种不燃材料的制备方法 |
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US5926595A (en) * | 1996-11-20 | 1999-07-20 | Tosoh Corporation | Optical fiber connector part and process for producing the same |
JP4696338B2 (ja) * | 1999-07-09 | 2011-06-08 | 東ソー株式会社 | ジルコニア微粉末の製造方法 |
JP2001080962A (ja) * | 1999-07-09 | 2001-03-27 | Tosoh Corp | ジルコニア焼結体及びその製造方法 |
JP2001253714A (ja) * | 2000-03-13 | 2001-09-18 | Daiichi Kigensokagaku Kogyo Co Ltd | 高比表面積酸化ジルコニウム質材料及びその製造方法 |
US7465431B2 (en) * | 2001-08-06 | 2008-12-16 | Degussa Ag | Nanoscalar pyrogenically produced yttrium-zirconium mixed oxide |
JP2003206137A (ja) * | 2002-01-11 | 2003-07-22 | Dowa Mining Co Ltd | 部分安定化または安定化ジルコニア微粉体とその前駆体およびそれらの製造方法 |
EP1378489A1 (en) * | 2002-07-03 | 2004-01-07 | Eidgenössische Technische Hochschule Zürich | Metal oxides prepared by flame spray pyrolysis |
JP2004115343A (ja) * | 2002-09-27 | 2004-04-15 | Nitsukatoo:Kk | 部分安定化ジルコニア焼結体の製造法 |
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2005
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- 2006-07-14 US US11/995,183 patent/US7731869B2/en not_active Expired - Fee Related
- 2006-07-14 WO PCT/EP2006/064286 patent/WO2007023033A1/en active Application Filing
- 2006-07-14 EP EP06777794A patent/EP1917215B1/en not_active Not-in-force
- 2006-07-14 AT AT06777794T patent/ATE449036T1/de not_active IP Right Cessation
- 2006-07-14 KR KR1020087004337A patent/KR20080031451A/ko not_active Application Discontinuation
- 2006-07-14 DE DE602006010573T patent/DE602006010573D1/de active Active
- 2006-07-14 RU RU2008110947/15A patent/RU2008110947A/ru not_active Application Discontinuation
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Also Published As
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KR20080031451A (ko) | 2008-04-08 |
TW200724498A (en) | 2007-07-01 |
EP1917215B1 (en) | 2009-11-18 |
DE102005040156A1 (de) | 2007-03-01 |
WO2007023033A1 (en) | 2007-03-01 |
CN101233083A (zh) | 2008-07-30 |
JP2009505928A (ja) | 2009-02-12 |
ATE449036T1 (de) | 2009-12-15 |
US7731869B2 (en) | 2010-06-08 |
RU2008110947A (ru) | 2009-09-27 |
DE602006010573D1 (de) | 2009-12-31 |
US20080217591A1 (en) | 2008-09-11 |
EP1917215A1 (en) | 2008-05-07 |
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