JP5543603B2 - アルミナチタネート多孔質構造体 - Google Patents
アルミナチタネート多孔質構造体 Download PDFInfo
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- JP5543603B2 JP5543603B2 JP2012530315A JP2012530315A JP5543603B2 JP 5543603 B2 JP5543603 B2 JP 5543603B2 JP 2012530315 A JP2012530315 A JP 2012530315A JP 2012530315 A JP2012530315 A JP 2012530315A JP 5543603 B2 JP5543603 B2 JP 5543603B2
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/46—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates
- C04B35/462—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates
- C04B35/478—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on aluminium titanates
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
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- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/022—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
- F01N3/0222—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous the structure being monolithic, e.g. honeycombs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
- F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
- F01N3/2825—Ceramics
- F01N3/2828—Ceramic multi-channel monoliths, e.g. honeycombs
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24149—Honeycomb-like
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Filtering Materials (AREA)
- Catalysts (AREA)
- Porous Artificial Stone Or Porous Ceramic Products (AREA)
Description
・15%より多く55%未満のAl2O3、
・20%より多く45%未満のTiO2、
・3.5%より多く30%未満のSiO2、
・合計で0.7%より多く20%未満の、ZrO2、Ce2O3及びHfO2から選ばれる少なくとも1種の酸化物、
・1%未満のMgO、
・0.7%未満のFe2O3、
を含み、当該組成は更に、酸化物を基にして、CaO、Na2O、K2O、SrO、B2O3及びBaOから選ばれる他の元素を含み、当該酸化物の合計量は15%未満で1%より多く、そして当該材料は、上記の単純な酸化物の反応焼結又はそれらの前駆物質の1つの反応焼結によって得られ、あるいは上記組成を満足する焼結した粒子の熱処理により得られる、セラミック材料を含む多孔質構造体に関する。
・35%より多く53%未満のAl2O3、
・25%より多く40%未満のTiO2、
・2%より多く20%未満のSiO2、
・1%より多く5%未満のZrO2、
・1%未満のMgO、
・0.7%未満のFe2O3、
・合計で2%より多く13%未満の、CaO、Na2O、K2O、SrO、B2O3及びBaOにより形成される群から選ばれる少なくとも1種の酸化物、
を有するのが有利であろう。
・99.8%のAl2O3を含みメジアン径d50が約5.2μmのAlmatis CL4400FGアルミナ、
・99.5%のTiO2を含み直径が約0.3μmのTRONOX T−R酸化チタン、
・純度99.7%のElkem Microsilicia Grade 971UのSiO2、
・約97%のCaOを含み、80%より多くの粒子の直径が80μm未満である石灰、
・Societe des Produits Chimiques Harbonnieresにより市販されている、SrCO3を98.5%より多く含む炭酸ストロンチウム、
・Saint−Gobain ZirPro社によりCC10の呼称で市販されている、純度が98.5%より高くメジアン径d50が3.5μmのジルコニア、
である。
1)酸化物に基づくwt%で示した化学組成は、蛍光X線により測定した。
2)耐火製品中に存在する結晶相の特性を、X線回折とマイクロプローブ分析EPMA(電子線マイクロアナリシス)により調べた。こうして得られた結果を基に、各相の重量百分率とその組成を推定することができた。表1において、ATは酸化物Al2O3とTiO2の固溶体(主相)を示し、PSはケイ酸塩相の存在を示し、その他の相は少なくとも1つの他の微量相P2の存在を示し、そして「〜」は相が痕跡の形で存在していることを意味している。
3)圧縮強度(R)は、10kNのロードセルを装備したLLOYD設備で、作製した試料を1mm/minの速度で圧縮することにより、室温で測定される。
4)密度は、通常の技術(アルキメデス法)により測定した。表1に示した細孔率は、理論密度(粉砕した製品についてヘリウム比重びん法により測定した、多孔質でない材料の予測最大密度)と測定密度との差を百分率として示したものに相当する。
・所定の焼成温度で、材料の所望される組成に関係してより良好な特性を得ることか、
・あるいは材料の高い細孔率レベルを調節する(特に初期の反応物に細孔形成剤を添加することによって)一方で、良好な機械的一体性を保持すること、
を可能にする。
Claims (16)
- セラミック材料を含む多孔質構造体であって、当該セラミック材料の化学組成が、酸化物に基づくwt%で表して、
・15%より多く55%未満のAl2O3、
・20%より多く45%未満のTiO2、
・3.5%より多く30%未満のSiO2、
・合計で0.7%より多く20%未満の、ZrO2、Ce2O3及びHfO2から選ばれる少なくとも1種の酸化物、
・1%未満のMgO、
・0.7%未満のFe2O3、
を含み、当該組成は更に、酸化物を基にして、CaO、Na2O、K2O、SrO、B2O3及びBaOから選ばれる他の元素を含み、当該酸化物の合計量は15%未満で1%より多く、そして当該材料は、上記の単純な酸化物の反応焼結又はそれらの前駆物質の1つの反応焼結によって得られ、あるいは上記組成を満足する焼結した粒子の熱処理により得られる、セラミック材料を含む多孔質構造体。 - 前記組成が、ZrO2、Ce2O3及びHfO2から選ばれる少なくとも1種の酸化物を、合計で0.8%より多く含む、請求項1記載の多孔質構造体。
- ZrO2、Ce2O3及びHfO2から選ばれる前記酸化物がZrO2である、請求項1又は2記載の多孔質構造体。
- ZrO2、Ce2O3及びHfO2から選ばれる前記酸化物がZrO2とCe2O3であり、ZrO2の含有量が0.7%より多い、請求項1〜3の1つに記載の多孔質構造体。
- 前記組成が54%未満のAl2O3 を含む、請求項1〜4の1つに記載の多孔質構造体。
- 前記組成が22%より多くのTiO2 を含む、請求項1〜5の1つに記載の多孔質構造体。
- 前記組成が43%未満のTiO2 を含む、請求項1〜6の1つに記載の多孔質構造体。
- 前記組成が25%未満のSiO2 を含む、請求項1〜7の1つに記載の多孔質構造体。
- 前記組成が0.5%未満のMgOを含む、請求項1〜8の1つに記載の多孔質構造体。
- 前記組成が、ZrO2、Ce2O3及びHfO2から選ばれる少なくとも1種の酸化物を、合計で10%未満含む、請求項1〜9の1つに記載の多孔質構造体。
- 前記酸化物CaO、Na2O、K2O、SrO、B2O3及びBaOの合計量が13%未満である、請求項1〜10の1つに記載の多孔質構造体。
- 前記酸化物CaO、Na2O、K2O、SrO、B2O3及びBaOの合計量が2%より多い、請求項1〜11の1つに記載の多孔質構造体。
- 当該構造体を構成している酸化物材料の前記組成中の酸化物Na2O及びK2Oの合計が1%未満である、請求項1〜12の1つに記載の多孔質構造体。
- 前記セラミック材料が、チタン酸アルミニウムタイプの相により形成される主相と、少なくとも1つのケイ酸塩相と、酸化チタンTiO2及び/又は酸化ジルコニウムZrO2及び/又は酸化セリウムCeO2及び/又は酸化ハフニウムHfO2から本質的になる相とを含む、請求項1〜13の1つに記載の多孔質構造体。
- 前記ケイ酸塩相が前記セラミック材料の総重量の5〜50%に相当する、請求項14記載の多孔質構造体。
- ハニカムタイプの構造を有し、当該構造体を構成しているセラミック材料の細孔率が10%より大きく、細孔サイズの中心が5μmと60μmの間にある、請求項1〜15の1つに記載の多孔質構造体。
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FR0956500 | 2009-09-22 | ||
FR0956500A FR2950340B1 (fr) | 2009-09-22 | 2009-09-22 | Structure poreuse du type titanate d'alumine |
PCT/FR2010/051969 WO2011036396A1 (fr) | 2009-09-22 | 2010-09-21 | Structure poreuse du type titanate d'alumine |
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JP (1) | JP5543603B2 (ja) |
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US9988311B2 (en) * | 2013-11-27 | 2018-06-05 | Corning Incorporated | Aluminum titanate compositions, ceramic articles comprising same, and methods of manufacturing same |
WO2016184778A1 (en) * | 2015-05-15 | 2016-11-24 | Imerys | Ceramic compositions |
CN111675532A (zh) * | 2020-05-29 | 2020-09-18 | 秦皇岛松浦工业炉有限公司 | 一种陶瓷保温炉制造工艺 |
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JPS5689844A (en) * | 1979-12-25 | 1981-07-21 | Asahi Glass Co Ltd | Ceramic honeycomb and its production |
JPS5919068B2 (ja) * | 1980-03-26 | 1984-05-02 | 日本碍子株式会社 | 低膨脹性セラミックス |
JPS6221756A (ja) * | 1985-07-22 | 1987-01-30 | 日本碍子株式会社 | チタン酸アルミニウム―ムライト系セラミック体の製造方法 |
JPS63201060A (ja) * | 1987-02-13 | 1988-08-19 | ダブリユー・アール・グレイス・アンド・カンパニー−コネチカツト | 低膨張性ZrTiO↓4−Al↓2TiO↓5−ZrO↓2系組成物 |
US4758542A (en) * | 1987-02-13 | 1988-07-19 | W. R. Grace & Co. | Low thermal expansion ZrTiO4 --Al2 TiO5 --ZrO2 compositions |
JP2828986B2 (ja) * | 1988-03-31 | 1998-11-25 | 株式会社東芝 | セラミックス焼結体 |
US5914187A (en) | 1996-01-12 | 1999-06-22 | Ibiden Co., Ltd. | Ceramic structural body |
EP1775009A1 (en) | 1999-09-29 | 2007-04-18 | Ibiden Co., Ltd. | Honeycomb filter and ceramic filter assembly |
FR2833857B1 (fr) | 2001-12-20 | 2004-10-15 | Saint Gobain Ct Recherches | Corps filtrant comportant une pluralite de blocs filtrants, notamment destine a un filtre a particules |
US6849181B2 (en) | 2002-07-31 | 2005-02-01 | Corning Incorporated | Mullite-aluminum titanate diesel exhaust filter |
US7166552B2 (en) | 2002-11-01 | 2007-01-23 | Ohcera Co. Ltd. | Method for producing aluminum magnesium titanate sintered product |
JP4723173B2 (ja) | 2003-01-20 | 2011-07-13 | 日本碍子株式会社 | ハニカム構造体の製造方法 |
FR2853256B1 (fr) | 2003-04-01 | 2005-10-21 | Saint Gobain Ct Recherches | Structure de filtration, notamment filtre a particules pour les gaz d'echappement d'un moteur a combustion interne. |
US7259120B2 (en) * | 2004-04-21 | 2007-08-21 | Corning Incorporated | Aluminum titanate ceramic articles and methods of making same |
KR100752520B1 (ko) * | 2005-03-07 | 2007-08-29 | (주)케이에이치 케미컬 | 내부식성 세라믹 재료 및 이를 사용한 필터, 이들의제조방법 |
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FR2933400B1 (fr) * | 2008-07-04 | 2010-08-20 | Saint Gobain Ct Recherches | Grains fondus d'oxydes comprenant al, ti, mg et zr et produits ceramiques comportant de tels grains |
FR2933401B1 (fr) * | 2008-07-04 | 2010-07-30 | Saint Gobain Ct Recherches | Structure poreuse du type titanate d'alumine |
FR2947260A1 (fr) * | 2009-06-26 | 2010-12-31 | Saint Gobain Ct Recherches Etudes | Grains fondus d'oxydes comprenant al, ti, si et produits ceramiques comportant de tels grains |
FR2948657B1 (fr) * | 2009-07-28 | 2013-01-04 | Saint Gobain Ct Recherches | Grains fondus d'oxydes comprenant al, ti et produits ceramiques comportant de tels grains |
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- 2009-09-22 FR FR0956500A patent/FR2950340B1/fr not_active Expired - Fee Related
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- 2010-09-21 WO PCT/FR2010/051969 patent/WO2011036396A1/fr active Application Filing
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- 2010-09-21 KR KR1020127007312A patent/KR20120084720A/ko not_active Application Discontinuation
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CN102639461A (zh) | 2012-08-15 |
FR2950340B1 (fr) | 2015-07-17 |
EP2480517A1 (fr) | 2012-08-01 |
FR2950340A1 (fr) | 2011-03-25 |
JP2013505196A (ja) | 2013-02-14 |
CN102639461B (zh) | 2016-05-18 |
US20120171412A1 (en) | 2012-07-05 |
WO2011036396A1 (fr) | 2011-03-31 |
KR20120084720A (ko) | 2012-07-30 |
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