JP5564677B2 - 多孔質チタン酸アルミニウム及びその焼結体並びにその製造方法 - Google Patents
多孔質チタン酸アルミニウム及びその焼結体並びにその製造方法 Download PDFInfo
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Description
(実施例1)
酸化チタン302.26g、酸化アルミニウム423.42g、酸化ケイ素29.59g、及び酸化亜鉛6.63gを振動ミルにて粉砕しながら0.5時間混合した。
実施例1と同様にして粉砕混合物を調製し、得られた粉砕混合物50gを、ルツボに充填し、電気炉にて1250℃で4時間焼成した。
実施例1と同様にして粉砕混合物を調製し、得られた粉砕混合物50gを、ルツボに充填し、電気炉にて1300℃で4時間焼成した。
実施例1と同様にして粉砕混合物を調製し、得られた粉砕混合物50gを、ルツボに充填し、電気炉にて1400℃で4時間焼成した。
実施例1と同様にして粉砕混合物を調製し、得られた粉砕混合物50gを、ルツボに充填し、電気炉にて1600℃で4時間焼成した。
酸化亜鉛添加量を3.63gとする以外は、実施例1と同様にして粉砕混合物を調製し、得られた粉砕混合物50gをルツボに充填し、電気炉にて1450℃で4時間焼成した。
酸化亜鉛添加量を11.6gとする以外は、実施例1と同様にして粉砕混合物を調製し、得られた粉砕混合物50gをルツボに充填し、電気炉にて1450℃で4時間焼成した。
酸化亜鉛添加量を14.5gとする以外は、実施例1と同様にして粉砕混合物を調製し、得られた粉砕混合物50gをルツボに充填し、電気炉にて1450℃で4時間焼成した。
酸化亜鉛添加量を16.0gとする以外は、実施例1と同様にして粉砕混合物を調製し、得られた粉砕混合物50gをルツボに充填し、電気炉にて1450℃で4時間焼成した。
酸化亜鉛を添加しない以外は実施例1と同様にして粉砕混合物を調製し、得られた粉砕混合物50gをルツボに充填し、電気炉にて1400℃で4時間焼成した。
酸化亜鉛を添加しない以外は実施例1と同様にして粉砕混合物を調製し、得られた粉砕混合物50gをルツボに充填し、電気炉にて1450℃で4時間焼成した。
酸化チタン302.26g、酸化アルミニウム423.42g、酸化ケイ素29.59g、及び水323.69gをボールミルにて粉砕しながら、3時間混合した。以上のようにして得られた粉砕混合物を110℃にて乾燥を行い、乾燥物50gをルツボに充填し、電気炉にて1400℃にて4時間焼成した。
比較例1と同様にして粉砕混合物を調製し、これを比較例1と同様にして乾燥し、得られた乾燥物50gをルツボに充填し、電気炉にて1450℃で4時間焼成した。
(実施例12)
実施例1で得られた多孔質チタン酸アルミニウムの粉砕処理を行い、45μm以下の粒径に調製した。この多孔質チタン酸アルミニウム粒子100重量部に対して、黒鉛20重量部、メチルセルロース10重量部、脂肪酸石鹸0.5重量部を配合し、さらに水を適当量添加して混練し、押出成形可能な坏土を得た。
実施例5で得られた多孔質チタン酸アルミニウムの粉砕処理を行い、45μm以下の粒径に調製した。この多孔質チタン酸アルミニウム粒子100重量部に対して、黒鉛20重量部、メチルセルロース10重量部、脂肪酸石鹸0.5重量部を配合し、さらに水を適当量添加して混練し、押出成形可能な坏土を得た。
実施例11で得られた多孔質チタン酸アルミニウムの粉砕処理を行い、45μm以下の粒径に調製した。この多孔質チタン酸アルミニウム粒子100重量部に対して、黒鉛20重量部、メチルセルロース10重量部、脂肪酸石鹸0.5重量部を配合し、さらに水を適当量添加して混練し、押出成形可能な坏土を得た。
比較例2で得られたチタン酸アルミニウムの粉砕処理を行い、45μm以下の粒径に調製した。このチタン酸アルミニウム粒子100重量部に対して、黒鉛20重量部、メチルセルロース10重量部、脂肪酸石鹸0.5重量部を配合し、さらに水を適当量添加して混練し、押出成形可能な坏土を得た。
実施例12〜14及び比較例3で得られたハニカム構造のチタン酸アルミニウム焼結体について、粒子個数濃度低減率を測定した。得られたチタン酸アルミニウム焼結体にディーゼルからの排ガスを流入させ、その前後における粒子径別の濃度を電子式低圧インパクターにて測定し、粒子個数濃度低減率を測定した。結果を図27に示す。
Claims (9)
- 不規則方向に複数の突起が延びるアメーバ状の形状を有する粒子が融合した形状を有する多孔質体の粒子であり、X線回折チャートにおいてAl2TiO5のピークを示すことを特徴とする多孔質チタン酸アルミニウム。
- 水銀ポロシメータによる細孔分布における細孔直径0.0036μm〜10μmの範囲の細孔容積が0.05ml/g以上であることを特徴とする請求項1に記載の多孔質チタン酸アルミニウム。
- 水銀ポロシメータによる細孔分布における細孔直径0.0036μm〜10μmの範囲内の比表面積が0.3m2/g以上であることを特徴とする請求項1または2に記載の多孔質チタン酸アルミニウム。
- 請求項1〜3のいずれか1項に記載の多孔質チタン酸アルミニウムを用いて成形した成形体を焼成して得られることを特徴とする多孔質チタン酸アルミニウムの焼結体。
- 請求項1〜3のいずれか1項に記載の多孔質チタン酸アルミニウムを製造する方法であって、
チタン源及びアルミニウム源を含む原料を乾式処理でメカノケミカルに粉砕しながら混合する工程と、
粉砕混合物を1300〜1600℃の範囲内の温度で焼成する工程とを備えることを特徴とする多孔質チタン酸アルミニウムの製造方法。 - 原料中に亜鉛化合物がさらに含まれていることを特徴とする請求項5に記載の多孔質チタン酸アルミニウムの製造方法。
- 亜鉛化合物の含有量が、チタン源及びアルミニウム源の合計に対して酸化亜鉛換算で0.5〜2.0重量%の範囲内であることを特徴とする請求項6に記載の多孔質チタン酸アルミニウムの製造方法。
- 原料中にケイ素源がさらに含まれていることを特徴とする請求項5〜7のいずれか1項に記載の多孔質チタン酸アルミニウムの製造方法。
- メカノケミカルな粉砕が、振動ミルによる粉砕であることを特徴とする請求項5〜8のいずれか1項に記載の多孔質チタン酸アルミニウムの製造方法。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008117077A JP5564677B2 (ja) | 2008-04-28 | 2008-04-28 | 多孔質チタン酸アルミニウム及びその焼結体並びにその製造方法 |
EP09738607A EP2281783A4 (en) | 2008-04-28 | 2009-04-22 | POROUS ALUMINUM TITANATE, POROUS ALUMINUM TITANATE FRITTED BODY, AND PROCESS FOR PRODUCING THE POROUS ALUMINUM TITANATE |
US12/989,874 US20110052906A1 (en) | 2008-04-28 | 2009-04-22 | Porous aluminum titanate, sintered body of the same, and method for producing the same |
CN2009801150696A CN102015539A (zh) | 2008-04-28 | 2009-04-22 | 多孔质钛酸铝、其烧结体及其制造方法 |
KR1020107024045A KR20100135852A (ko) | 2008-04-28 | 2009-04-22 | 다공질 티탄산알루미늄 및 그의 소결체, 및 그의 제조 방법 |
PCT/JP2009/001840 WO2009133670A1 (ja) | 2008-04-28 | 2009-04-22 | 多孔質チタン酸アルミニウム及びその焼結体並びにその製造方法 |
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US (1) | US20110052906A1 (ja) |
EP (1) | EP2281783A4 (ja) |
JP (1) | JP5564677B2 (ja) |
KR (1) | KR20100135852A (ja) |
CN (1) | CN102015539A (ja) |
WO (1) | WO2009133670A1 (ja) |
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JP2010100510A (ja) * | 2008-01-07 | 2010-05-06 | Sumitomo Chemical Co Ltd | チタン酸アルミニウムセラミックスの製造方法 |
CN102212735B (zh) * | 2011-04-17 | 2012-11-14 | 山东科技大学 | 多孔NiAl/Al2TiO5复合材料及其制备方法 |
CN102584220B (zh) * | 2012-02-09 | 2015-07-08 | 河南科技大学 | 钛酸铝陶瓷及其制备方法 |
CN102718541B (zh) * | 2012-02-21 | 2013-11-06 | 山东科技大学 | 孔内带有晶须或棒晶的多孔材料及其制备方法 |
US9623360B2 (en) | 2013-05-20 | 2017-04-18 | Corning Incorporated | Porous ceramic article and method of manufacturing the same |
US9376347B2 (en) | 2013-05-20 | 2016-06-28 | Corning Incorporated | Porous ceramic article and method of manufacturing the same |
US9908260B2 (en) | 2013-05-20 | 2018-03-06 | Corning Incorporated | Porous ceramic article and method of manufacturing the same |
JP6477254B2 (ja) | 2014-05-30 | 2019-03-06 | 三菱マテリアル株式会社 | 多孔質アルミニウム複合体及び多孔質アルミニウム複合体の製造方法 |
JP6237500B2 (ja) * | 2014-07-02 | 2017-11-29 | 三菱マテリアル株式会社 | 多孔質アルミニウム熱交換部材 |
CN108137341B (zh) * | 2015-09-24 | 2020-03-31 | 大塚化学株式会社 | 多孔质钛酸盐化合物颗粒及其制造方法 |
CN109219589B (zh) | 2016-05-31 | 2022-04-26 | 康宁股份有限公司 | 多孔制品及其制造方法 |
US11591265B2 (en) | 2017-10-31 | 2023-02-28 | Corning Incorporated | Batch compositions comprising pre-reacted inorganic particles and methods of manufacture of green bodies therefrom |
JP7235889B2 (ja) * | 2019-10-21 | 2023-03-08 | 日本軽金属株式会社 | アルミニウム部材、イムノクロマトグラフィー用テストストリップ及びアルミニウム部材の製造方法 |
JP2023536217A (ja) * | 2020-07-31 | 2023-08-24 | コーニング インコーポレイテッド | 開気孔率を有するセラミックビーズから作製されたセラミック物品 |
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JPS5223113A (en) * | 1975-08-14 | 1977-02-21 | Tdk Electronics Co Ltd | Low thermal expansion ceramics |
JPS573767A (en) | 1980-06-04 | 1982-01-09 | Nippon Toki Kk | High temperature-stable high strength aluminium titanate sintered body |
JP2651170B2 (ja) * | 1987-12-22 | 1997-09-10 | 鐘紡株式会社 | セラミツクス多孔体 |
JP2722680B2 (ja) * | 1989-06-21 | 1998-03-04 | トヨタ自動車株式会社 | チタン酸アルミニウム質焼結体の製造方法 |
JPH04317462A (ja) * | 1991-04-16 | 1992-11-09 | Isuzu Motors Ltd | 低熱膨張セラミックス材料及びその製造法 |
JP3185960B2 (ja) | 1993-11-11 | 2001-07-11 | トヨタ自動車株式会社 | 多孔質チタン酸アルミニウム焼結体の製造方法 |
JP3388310B2 (ja) * | 1997-08-18 | 2003-03-17 | 勉 福田 | チタン酸アルミニウム粉体及びチタン酸アルミニウム焼結体の製造方法 |
JP3096814B1 (ja) * | 1999-11-08 | 2000-10-10 | 勉 福田 | チタン酸アルミニウム焼結体の製造方法 |
JP4091337B2 (ja) * | 2002-05-16 | 2008-05-28 | 大塚化学ホールディングス株式会社 | チタン酸マグネシウムカリウム及びチタン酸リチウムカリウムの製造方法 |
JP2004168600A (ja) * | 2002-11-20 | 2004-06-17 | Ngk Spark Plug Co Ltd | 誘電体磁器組成物及びその製造方法並びに電子部品 |
JP2004175639A (ja) * | 2002-11-29 | 2004-06-24 | Mitsubishi Heavy Ind Ltd | 試料調整方法 |
JP5000873B2 (ja) | 2005-09-21 | 2012-08-15 | 日本碍子株式会社 | 多孔質体の製造方法 |
JP2010100510A (ja) * | 2008-01-07 | 2010-05-06 | Sumitomo Chemical Co Ltd | チタン酸アルミニウムセラミックスの製造方法 |
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2008
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- 2009-04-22 CN CN2009801150696A patent/CN102015539A/zh active Pending
- 2009-04-22 US US12/989,874 patent/US20110052906A1/en not_active Abandoned
- 2009-04-22 KR KR1020107024045A patent/KR20100135852A/ko not_active Application Discontinuation
- 2009-04-22 EP EP09738607A patent/EP2281783A4/en not_active Withdrawn
- 2009-04-22 WO PCT/JP2009/001840 patent/WO2009133670A1/ja active Application Filing
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Publication number | Publication date |
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JP2009263182A (ja) | 2009-11-12 |
KR20100135852A (ko) | 2010-12-27 |
US20110052906A1 (en) | 2011-03-03 |
WO2009133670A1 (ja) | 2009-11-05 |
CN102015539A (zh) | 2011-04-13 |
EP2281783A4 (en) | 2011-08-24 |
EP2281783A1 (en) | 2011-02-09 |
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