JP5313658B2 - セラミック構造体及びその製造方法 - Google Patents
セラミック構造体及びその製造方法 Download PDFInfo
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- JP5313658B2 JP5313658B2 JP2008503898A JP2008503898A JP5313658B2 JP 5313658 B2 JP5313658 B2 JP 5313658B2 JP 2008503898 A JP2008503898 A JP 2008503898A JP 2008503898 A JP2008503898 A JP 2008503898A JP 5313658 B2 JP5313658 B2 JP 5313658B2
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- ceramic structure
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- 239000000919 ceramic Substances 0.000 title claims description 143
- 238000004519 manufacturing process Methods 0.000 title claims description 20
- 239000011148 porous material Substances 0.000 claims description 137
- 239000003054 catalyst Substances 0.000 claims description 102
- 238000005192 partition Methods 0.000 claims description 32
- 239000002994 raw material Substances 0.000 claims description 30
- 239000002245 particle Substances 0.000 claims description 22
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 19
- 238000009826 distribution Methods 0.000 claims description 19
- 229910052878 cordierite Inorganic materials 0.000 claims description 17
- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 claims description 17
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
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- 239000003795 chemical substances by application Substances 0.000 description 8
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- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 7
- 229910002091 carbon monoxide Inorganic materials 0.000 description 7
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
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- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 3
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- 230000000996 additive effect Effects 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- IXSUHTFXKKBBJP-UHFFFAOYSA-L azanide;platinum(2+);dinitrite Chemical compound [NH2-].[NH2-].[Pt+2].[O-]N=O.[O-]N=O IXSUHTFXKKBBJP-UHFFFAOYSA-L 0.000 description 2
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- 239000001095 magnesium carbonate Substances 0.000 description 2
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 2
- 235000014380 magnesium carbonate Nutrition 0.000 description 2
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
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- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
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- VXNYVYJABGOSBX-UHFFFAOYSA-N rhodium(3+);trinitrate Chemical compound [Rh+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VXNYVYJABGOSBX-UHFFFAOYSA-N 0.000 description 2
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- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
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- 239000004354 Hydroxyethyl cellulose Substances 0.000 description 1
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- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
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- 238000003763 carbonization Methods 0.000 description 1
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- 235000019425 dextrin Nutrition 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical group O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
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- 239000001257 hydrogen Substances 0.000 description 1
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- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 description 1
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- YDZQQRWRVYGNER-UHFFFAOYSA-N iron;titanium;trihydrate Chemical compound O.O.O.[Ti].[Fe] YDZQQRWRVYGNER-UHFFFAOYSA-N 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
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- AABBHSMFGKYLKE-SNAWJCMRSA-N propan-2-yl (e)-but-2-enoate Chemical group C\C=C\C(=O)OC(C)C AABBHSMFGKYLKE-SNAWJCMRSA-N 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
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- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical group [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
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- 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
- C04B35/16—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 silicates other than clay
- C04B35/18—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 silicates other than clay rich in aluminium oxide
- C04B35/195—Alkaline earth aluminosilicates, e.g. cordierite or anorthite
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- B01D46/2451—Honeycomb filters characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure
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Description
Claims (10)
- 気孔分布を制御した、コージェライトを主結晶相とする材料からなる、セラミック構造体であって、
原料として、平均粒径が15μmのアルミナを5〜35質量%含有し、平均粒径が40〜80μmのシリカを13〜22質量%含有するものを、用いて作製され、
前記気孔分布は、気孔径20μm未満の気孔容積が全気孔容積の15%以下であり、気孔径20〜100μmの気孔容積が全気孔容積の70%以上であるセラミック構造体。
但し、気孔径10μm以下の気孔容積が全気孔容積の15%以下であり、気孔径20〜50μmの気孔容積が全気孔容積の70%以上である場合を除く。 - 前記気孔分布は、気孔径100μmを超える気孔容積が全気孔容積の25%以下である請求項1に記載のセラミック構造体。
但し、気孔径20μm未満の気孔容積と気孔径20〜100μmの気孔容積と気孔径100μmを超える気孔容積の総和は、全気孔容積に等しい。 - 気孔率が、50〜70%である請求項1又は2に記載のセラミック構造体。
- 40〜800℃における熱膨張係数が、1.0×10−6/℃以下である請求項1〜3の何れか一項に記載のセラミック構造体。
- 隔壁で二つの端面の間を連通する複数のセルを形成したハニカム構造を有する請求項1〜4の何れか一項に記載のセラミック構造体。
- 請求項5に記載のセラミック構造体の前記セルが、前記二つの端面のうち何れか一方の端面において目封止されるとともに、それぞれの端面において交互に市松模様状になるように配置される目封止部が形成され、
更に、前記セルの内表面、及び前記セルを形成する前記隔壁の気孔の内表面に、触媒層が形成されたセラミック触媒体。 - コージェライト化原料を主原料とするセラミック原料を用いてセラミック構造体を製造する方法であって、
前記コージェライト化原料として、平均粒径が15μmのアルミナを5〜35質量%含有し、平均粒径が40〜80μmのシリカを13〜22質量%含有するものを用い、請求項1〜3の何れか一項に記載のセラミック構造体を製造するセラミック構造体の製造方法。 - 前記セラミック構造体として、隔壁で二つの端面の間を連通する複数のセルを形成したハニカム構造を有し前記隔壁の厚さが150〜700μmのものを得る請求項7に記載のセラミック構造体の製造方法。
- 前記セラミック構造体として、隔壁で二つの端面の間を連通する複数のセルを形成したハニカム構造を有し前記セル密度が40〜400セル/in2のものを得る請求項7又は8に記載のセラミック構造体の製造方法。
- 請求項7〜9の何れか一項に記載のセラミック構造体の製造方法によって、隔壁で二つの端面の間を連通する複数のセルを形成したハニカム構造を有する前記セラミック構造体を得た後に、
そのセラミック構造体の前記セルを、前記二つの端面のうち何れか一方の端面において目封止するとともに、それぞれの端面において交互に市松模様状になるように配置される目封止部を形成し、
更に、前記セルの内表面、及び前記セルを形成する前記隔壁の気孔の内表面に、触媒層を形成してセラミック触媒体を得るセラミック触媒体の製造方法。
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JPWO2009122534A1 (ja) | 2008-03-31 | 2011-07-28 | イビデン株式会社 | ハニカム構造体 |
EP2335797B1 (en) * | 2008-07-28 | 2019-03-06 | Hitachi Metals, Ltd. | Ceramic honeycomb structure |
TWI488827B (zh) * | 2010-03-01 | 2015-06-21 | Ngk Insulators Ltd | Cover |
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EP3189020B1 (en) | 2014-09-03 | 2020-12-23 | Corning Incorporated | Exhaust filter with active plugs |
CN104310417B (zh) * | 2014-10-08 | 2016-06-29 | 武汉科技大学 | 一种含锆堇青石复相材料及其制备方法 |
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CN113454414B (zh) * | 2019-02-28 | 2022-12-23 | 三井金属矿业株式会社 | 陶瓷结构体 |
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US8283282B2 (en) | 2012-10-09 |
US20090005240A1 (en) | 2009-01-01 |
JPWO2007102561A1 (ja) | 2009-07-23 |
CN104529422B (zh) | 2018-11-16 |
EP2011775B1 (en) | 2013-02-27 |
CN101395099A (zh) | 2009-03-25 |
CN104529422A (zh) | 2015-04-22 |
EP2011775A4 (en) | 2012-03-28 |
WO2007102561A1 (ja) | 2007-09-13 |
EP2011775A1 (en) | 2009-01-07 |
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