JP2009543755A - チタン酸アルミニウムセラミック製ウォールフロー型フィルタの製造に用いられる施栓材料 - Google Patents
チタン酸アルミニウムセラミック製ウォールフロー型フィルタの製造に用いられる施栓材料 Download PDFInfo
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Abstract
Description
Claims (9)
- セラミック製ウォールフロー型フィルタのための施栓混合物であって、
アルミナ源、シリカ源、およびチタニア源を含有するチタン酸アルミニウム前駆体反応性バッチ組成物、
焼結助剤、
有機結合剤、および
液体ビヒクル、
を有してなる施栓混合物。 - 前記焼結助剤が少なくとも1種類の金属酸化物源を含むことを特徴とする請求項1記載の施栓混合物。
- 前記少なくとも1種類の金属酸化物源が、酸化ストロンチウム源、酸化カルシウム源、酸化バリウム源、酸化鉄源、酸化ランタン源、および酸化イットリウム源の内の少なくとも1種類を含むことを特徴とする請求項2記載の施栓混合物。
- 前記焼結助剤が、酸化ストロンチウム源、酸化カルシウム源、および酸化鉄源を含むことを特徴とする請求項3記載の施栓混合物。
- 前記焼結助剤が少なくとも1種類の希土類金属を含むことを特徴とする請求項2記載の施栓混合物。
- 前記有機結合剤が、前記チタン酸アルミニウム前駆体反応性バッチ組成物の0.1質量パーセントから5.0質量パーセントまでの範囲の量で超過添加物として存在することを特徴とする請求項1記載の施栓混合物。
- 前記有機結合剤が、前記チタン酸アルミニウム前駆体反応性バッチ組成物の0.5質量パーセントから2.0質量パーセントまでの範囲の量で超過添加物として存在することを特徴とする請求項6記載の施栓混合物。
- 多孔質セラミック製ウォールフロー型フィルタであって、
多孔質セラミック壁により境界が形成された複数のチャンネルを有するセラミック製ハニカム構造体であって、選択されたチャンネルの各々が、前記チャンネル壁に封止された栓を備えているハニカム構造、
を含み、
前記栓が、
アルミナ源、シリカ源、およびチタニア源を含有するチタン酸アルミニウム前駆体反応性バッチ組成物、
焼結助剤、
有機結合剤、および
液体ビヒクル、
を有してなる施栓混合物から形成されることを特徴とするフィルタ。 - 多孔質セラミック壁により境界が形成された複数のチャンネルを備えたセラミック製ハニカム構造体を有する多孔質セラミック製ウォールフロー型フィルタを製造する方法であって、
平行な壁により境界が形成された複数のチャンネルを有するハニカム構造体を提供し、
チタン酸アルミニウム前駆体反応性バッチ組成物、焼結助剤、有機結合剤、および液体ビヒクルを有してなる施栓混合物で少なくとも1つの所定のチャンネルを選択的に施栓して、選択的に施栓されたハニカム構造体を形成し、
前記施栓混合物を焼成し、前記少なくとも1つの選択的に施栓されたチャンネル内に焼成栓を形成するのに効果的な条件下で、前記選択的に施栓されたハニカム構造体を焼成する、
各工程を有してなる方法。
Applications Claiming Priority (2)
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US11/486,699 US7744669B2 (en) | 2006-07-14 | 2006-07-14 | Plugging material for aluminum titanate ceramic wall flow filter manufacture |
PCT/US2007/015720 WO2008008332A2 (en) | 2006-07-14 | 2007-07-10 | Plugging material for aluminum titanate ceramic wall flow filter manufacture |
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JP2012152141A Expired - Fee Related JP5627648B2 (ja) | 2006-07-14 | 2012-07-06 | チタン酸アルミニウムセラミック製ウォールフロー型フィルタの製造に用いられる施栓材料 |
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EP (1) | EP2041043A2 (ja) |
JP (2) | JP2009543755A (ja) |
CN (1) | CN101495425B (ja) |
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WO2008008332A3 (en) | 2008-05-22 |
CN101495425A (zh) | 2009-07-29 |
JP5627648B2 (ja) | 2014-11-19 |
US20080010960A1 (en) | 2008-01-17 |
US7744669B2 (en) | 2010-06-29 |
WO2008008332A2 (en) | 2008-01-17 |
EP2041043A2 (en) | 2009-04-01 |
CN101495425B (zh) | 2013-06-05 |
JP2012254923A (ja) | 2012-12-27 |
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