ZA200407366B - Mullite bodies and methods of forming mullite bodies. - Google Patents

Mullite bodies and methods of forming mullite bodies.

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Publication number
ZA200407366B
ZA200407366B ZA200407366A ZA200407366A ZA200407366B ZA 200407366 B ZA200407366 B ZA 200407366B ZA 200407366 A ZA200407366 A ZA 200407366A ZA 200407366 A ZA200407366 A ZA 200407366A ZA 200407366 B ZA200407366 B ZA 200407366B
Authority
ZA
South Africa
Prior art keywords
mullite
forming
mullite bodies
methods
bodies
Prior art date
Application number
ZA200407366A
Other languages
English (en)
Inventor
Chandan K Saha
Aleksander J Pyzik
Sten A Wallin
Arthur R Prunier Jr
Clifford S Todd
Original Assignee
Dow Global Technologies Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dow Global Technologies Inc filed Critical Dow Global Technologies Inc
Publication of ZA200407366B publication Critical patent/ZA200407366B/xx

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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
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
    • C04B35/632—Organic additives
    • C04B35/636—Polysaccharides or derivatives thereof
    • C04B35/6365—Cellulose or derivatives thereof
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    • C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/02—Macromolecular compounds
    • C04B26/28—Polysaccharides or derivatives thereof
    • C04B26/285—Cellulose or derivatives thereof
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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
    • C04B35/16—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
    • C04B35/185—Mullite 3Al2O3-2SiO2
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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
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
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    • C04B35/64—Burning or sintering processes
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    • C04B38/0022—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof obtained by a chemical conversion or reaction other than those relating to the setting or hardening of cement-like material or to the formation of a sol or a gel, e.g. by carbonising or pyrolysing preformed cellular materials based on polymers, organo-metallic or organo-silicon precursors
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    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
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    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
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    • C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
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    • C04B2235/3427—Silicates other than clay, e.g. water glass
    • C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Filtering Materials (AREA)
  • Porous Artificial Stone Or Porous Ceramic Products (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Exhaust Gas After Treatment (AREA)
ZA200407366A 2002-03-25 2003-03-24 Mullite bodies and methods of forming mullite bodies. ZA200407366B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US36754002P 2002-03-25 2002-03-25

Publications (1)

Publication Number Publication Date
ZA200407366B true ZA200407366B (en) 2006-02-22

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ID=28675368

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200407366A ZA200407366B (en) 2002-03-25 2003-03-24 Mullite bodies and methods of forming mullite bodies.

Country Status (12)

Country Link
US (2) US7425297B2 (fr)
EP (1) EP1490310B1 (fr)
JP (3) JP2005521624A (fr)
KR (1) KR100965042B1 (fr)
CN (1) CN100384784C (fr)
AT (1) ATE497488T1 (fr)
AU (1) AU2003231971A1 (fr)
BR (1) BR0308835A (fr)
CA (1) CA2480167C (fr)
DE (1) DE60335941D1 (fr)
WO (1) WO2003082773A1 (fr)
ZA (1) ZA200407366B (fr)

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100965042B1 (ko) 2002-03-25 2010-06-21 다우 글로벌 테크놀로지스 인크. 멀라이트체 및 멀라이트체의 형성 방법
ATE409172T1 (de) * 2003-04-24 2008-10-15 Dow Global Technologies Inc Verbesserte mullit-körper und verfahren für ihre herstellung
CN1845780B (zh) * 2003-08-29 2010-06-16 陶氏环球技术公司 改进的柴油机排气滤清器
US20050113249A1 (en) * 2003-11-24 2005-05-26 Robin Ziebarth Catalyst for a diesel particulate filter
US7341970B2 (en) 2004-03-31 2008-03-11 Corning Incorporated Low thermal expansion articles
EP2253603B1 (fr) 2004-04-21 2012-08-29 Dow Global Technologies LLC Eléments céramiques poreux
DE602005009961D1 (de) 2004-07-26 2008-11-06 Dow Global Technologies Inc Verbesserter katalysierter russfilter
WO2006044268A1 (fr) 2004-10-13 2006-04-27 Dow Global Technologies Inc. Filtre a suie de diesel catalyse et son procede d’utilisation
EP1919844B1 (fr) 2005-08-23 2010-02-17 Dow Global Technologies Inc. Procédé amélioré de déliantage de structures alvéolaires céramiques
US7485594B2 (en) 2005-10-03 2009-02-03 Dow Global Technologies, Inc. Porous mullite bodies and methods of forming them
US8101283B2 (en) * 2006-07-14 2012-01-24 Dow Global Technologies Llc Composite material and method of making the composite material
WO2008011146A1 (fr) 2006-07-21 2008-01-24 Dow Global Technologies Inc. Filtre à suies perfectionné à zone catalysée
CN101522587A (zh) * 2006-08-29 2009-09-02 康宁股份有限公司 玻璃结合的陶瓷结构
WO2008027422A1 (fr) * 2006-08-29 2008-03-06 Corning Incorporated Structures céramiques résistantes aux chocs thermiques et à porosité élevée
US20100056816A1 (en) * 2006-11-01 2010-03-04 Wallin Sten A Shaped porous bodies of alpha-alumina and methods for the preparation thereof
JP2010513025A (ja) 2006-12-21 2010-04-30 ダウ グローバル テクノロジーズ インコーポレイティド 改善されたすすフィルター
WO2008137626A2 (fr) 2007-05-04 2008-11-13 Dow Global Technologies Inc. Éléments de filtre en nid d'abeilles améliorés
KR101569221B1 (ko) 2007-10-12 2015-11-20 다우 글로벌 테크놀로지스 엘엘씨 개선된 내열충격성 그을음 필터
US7928032B2 (en) * 2007-12-21 2011-04-19 Dow Global Technologies Llc Catalyzed soot filter and method(s) to make these
WO2009117580A2 (fr) 2008-03-20 2009-09-24 Dow Global Technologies Inc. Ciment amélioré pour fabriquer des structures alvéolaires en céramique résistant aux chocs thermiques et procédé de fabrication de celles-ci
KR101483330B1 (ko) * 2008-06-19 2015-01-15 다우 글로벌 테크놀로지스 엘엘씨 세라믹의 압출을 위한 셀룰로오스 에터 함유 첨가제
EP2315732B1 (fr) * 2008-06-27 2014-11-26 Dow Global Technologies LLC Procédé de fabrication de corps de mullite aciculaire poreux
US8871676B2 (en) * 2008-09-18 2014-10-28 Dow Global Technologies Llc Method for making porous acicular mullite-containing composites
WO2011005535A1 (fr) 2009-06-22 2011-01-13 Dow Global Technologies, Inc. Composites céramique-polymère
BRPI1010157A2 (pt) * 2009-06-29 2016-03-29 Dow Global Technologies Inc processo para produzir estruturas alveolares de mulita acicular
CN102470359B (zh) 2009-06-29 2014-06-25 陶氏环球技术有限责任公司 用于制造耐热震性陶瓷蜂窝结构体的含多模纤维的胶接剂
CN104909831A (zh) 2009-06-29 2015-09-16 陶氏环球技术有限责任公司 具有涂敷的无机表皮的陶瓷蜂窝结构体
WO2011059699A1 (fr) 2009-11-11 2011-05-19 Dow Global Technologies Llc Ciment amélioré pour fabriquer des structures céramiques en nid d'abeille résistantes aux chocs thermiques et leur procédé de fabrication
MX2012007751A (es) 2009-12-31 2012-08-01 Dow Global Technologies Llc Metodo para elaborar un recubrimiento de barrera polimerica para atenuar la migracion de aglutinante en un filtro de particulados de diesel para reucir la caida de presion y los gradientes de temperatura en el filtro.
CN101781124A (zh) * 2010-03-18 2010-07-21 景德镇陶瓷学院 一种制备具有针状晶体结构的莫来石多孔蜂窝陶瓷的方法
US9908816B2 (en) 2010-04-28 2018-03-06 Saint-Gobain Centre De Recherches Et D'etudes Europeen Refractory powder comprising coated mullite grains
FR2959505B1 (fr) * 2010-04-28 2012-11-16 Saint Gobain Ct Recherches Grains de mullite revetus.
EP2390307A1 (fr) 2010-05-27 2011-11-30 Corning Incorporated Traitement de céramique poreuse utilisant de la cire en billes et un agent tensioactif non ionique
KR101856799B1 (ko) 2010-09-01 2018-05-10 다우 글로벌 테크놀로지스 엘엘씨 차등층을 다공성 세라믹 필터 상에 적용하는 방법
EP2611756B1 (fr) 2010-09-01 2017-10-25 Dow Global Technologies LLC Procédé pour l'application d'une couche de discrimination sur des filtres poreux en céramique via des assemblages poreux préfabriqués en suspension dans un gaz
US8999872B2 (en) 2011-03-29 2015-04-07 Dow Global Technologies Llc Method for making porous mullite-tialite composites
CN103649013B (zh) 2011-05-12 2016-01-06 陶氏环球技术有限责任公司 莫来石体和形成所述莫来石体的方法
RU2465238C1 (ru) * 2011-05-27 2012-10-27 Юлия Алексеевна Щепочкина Керамическая масса для производства кирпича
CN103649012B (zh) * 2011-07-06 2017-05-24 陶氏环球技术有限责任公司 制造多孔针状莫来石体的方法
CN103827055B (zh) 2011-09-27 2016-04-27 陶氏环球技术有限责任公司 用于陶瓷蜂窝结构体的胶接剂和表皮材料
US9527775B2 (en) * 2011-12-09 2016-12-27 Vecor Ip Holdings Limited Percolated mullite and a method of forming same
US10214451B2 (en) 2011-12-15 2019-02-26 Dow Global Technologies Llc Cement and skinning material based on a water-swellable clay, and method for producing segmented or skinned ceramic honeycomb structures
WO2013172916A1 (fr) 2012-05-18 2013-11-21 Coopersurgical, Inc. Guides de passage de suture et kits et procédés associés
CN104583151A (zh) * 2012-08-16 2015-04-29 陶氏环球技术有限责任公司 制备高孔隙率陶瓷材料的方法
CN104703944B (zh) * 2012-10-08 2019-05-21 陶氏环球技术有限责任公司 改进的包含多铝红柱石的多孔主体和其形成方法
DE112013005815T5 (de) 2012-12-05 2015-09-24 Dow Global Technologies Llc Poröse Mullitkörper mit verbesserter thermischer Beständigkeit
CN104837789B (zh) 2012-12-05 2017-05-24 陶氏环球技术有限责任公司 具有改进的热稳定性的多孔莫来石体
RU2657878C1 (ru) * 2017-04-07 2018-06-18 Федеральное государственное бюджетное образовательное учреждение высшего образования "Владимирский Государственный Университет имени Александра Григорьевича и Николая Григорьевича Столетовых" (ВлГУ) Шихта для изготовления термостойких керамических изделий
CN110483027B (zh) * 2019-08-26 2022-01-28 湖南辰州矿业有限责任公司 一种生产氧化锑用耐火风管及其制备方法

Family Cites Families (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US514806A (en) * 1894-02-13 Torist fathers
JPS5546338A (en) 1978-09-28 1980-04-01 Ngk Insulators Ltd Heat and shock resistant, revolving and heat-regenerating type ceramic heat exchanger body and its manufacturing
JPS577215A (en) 1980-06-16 1982-01-14 Ngk Insulators Ltd Preparation of ceramic honeycomb filter
JPS5939782A (ja) 1982-08-30 1984-03-05 株式会社デンソー 多孔質セラミツク担体の製造方法
JPS5954683A (ja) 1982-09-20 1984-03-29 日本碍子株式会社 セラミツクハニカム構造体の開口端面封止方法
US4628042A (en) 1983-06-20 1986-12-09 Engelhard Corporation Porous mullite
US4608357A (en) 1984-02-06 1986-08-26 Engelhard Corporation Catalytic cracking with mullite composition promoted combustion of carbon monoxide
DE3437641C2 (de) 1984-10-13 1988-07-07 Kanthal GmbH, 6082 Mörfelden-Walldorf Abgaskatalysator
JPS63103877A (ja) * 1986-10-22 1988-05-09 長崎県 ムライト質多孔体の製造方法
US4911902A (en) 1987-07-06 1990-03-27 The United States Of America As Represented By The Secretary Of The Navy Mullite whisker preparation
US5294576A (en) 1988-01-13 1994-03-15 Shinko Electric Industries Co., Ltd. Mullite ceramic compound
US4948766A (en) 1988-08-05 1990-08-14 The United States Of America As Represented By The Secretary Of The Navy Rigid mullite=whisker felt and method of preparation
US4893465A (en) 1988-08-22 1990-01-16 Engelhard Corporation Process conditions for operation of ignition catalyst for natural gas combustion
US4910172A (en) 1989-02-08 1990-03-20 The United States Of America As Represented By The Secretary Of The Navy Preparation of mullite whiskers from AlF3, SiO2, and Al2 O3 powders
US5252272A (en) 1989-07-28 1993-10-12 Engelhard Corporation Thermal shock and creep resistant porous mullite articles prepared from topaz and process for manufacture
CA2020453A1 (fr) 1989-07-28 1991-01-29 Bulent O. Yavuz Articles poreux en mullite resistant aux chocs thermiques et au fluage
US5340516A (en) 1989-07-28 1994-08-23 Engelhard Corporation Thermal shock and creep resistant porous mullite articles prepared from topaz and process for manufacture
JP2748961B2 (ja) 1989-10-24 1998-05-13 佐賀県 表面改質アルミナセラミックスの製造方法
JPH03150276A (ja) 1989-11-02 1991-06-26 Kitagawa Iron Works Co Ltd セラミックス多層体及びその製造方法
JP2778795B2 (ja) 1990-03-30 1998-07-23 日本碍子株式会社 金属溶湯用濾材
JPH0465372A (ja) 1990-07-02 1992-03-02 Saga Pref Gov 高強度多孔質セラミックスの製造方法
JPH0478447A (ja) 1990-07-20 1992-03-12 Matsumoto Kokan Kk 触媒メタル担体とその製造方法
JP2593740B2 (ja) 1990-11-27 1997-03-26 東芝モノフラックス株式会社 ムライト多孔質体の製造方法
US5098455A (en) 1990-12-21 1992-03-24 The Dow Chemical Company Regenerable exhaust gas filter element for diesel engines
JP3118035B2 (ja) 1991-09-05 2000-12-18 東芝モノフラックス株式会社 ムライト質針状結晶及びムライト多孔質体
JPH05117022A (ja) * 1991-10-23 1993-05-14 Chichibu Cement Co Ltd ムライト質セラミツクス原料粉末及びムライト質セラミ ツクス焼結体の製造方法
US5198007A (en) 1991-12-05 1993-03-30 The Dow Chemical Company Filter including a porous discriminating layer on a fused single crystal acicular ceramic support, and method for making the same
US5194154A (en) 1991-12-05 1993-03-16 The Dow Chemical Company Structure for filter or heat exchanger, composed of a fused single crystal acicular ceramic
GB9203394D0 (en) 1992-02-18 1992-04-01 Johnson Matthey Plc Coated article
JP3269533B2 (ja) 1992-05-26 2002-03-25 トヨタ自動車株式会社 排気ガス浄化用触媒コンバータの製造方法
JPH06134307A (ja) 1992-10-27 1994-05-17 Matsushita Electric Ind Co Ltd 触媒付きセラミックスシートとその製造方法
US6306335B1 (en) 1999-08-27 2001-10-23 The Dow Chemical Company Mullite bodies and methods of forming mullite bodies
KR100965042B1 (ko) 2002-03-25 2010-06-21 다우 글로벌 테크놀로지스 인크. 멀라이트체 및 멀라이트체의 형성 방법
JP4193782B2 (ja) 2004-09-29 2008-12-10 豊田合成株式会社 燃料遮断弁
US7485594B2 (en) * 2005-10-03 2009-02-03 Dow Global Technologies, Inc. Porous mullite bodies and methods of forming them

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CA2480167C (fr) 2011-03-08
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US20080293564A1 (en) 2008-11-27
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BR0308835A (pt) 2005-01-25
DE60335941D1 (de) 2011-03-17
ATE497488T1 (de) 2011-02-15
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US7947620B2 (en) 2011-05-24

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