WO2009070218A3 - Fine porosity low-microcracked ceramic honeycombs and methods thereof - Google Patents

Fine porosity low-microcracked ceramic honeycombs and methods thereof Download PDF

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Publication number
WO2009070218A3
WO2009070218A3 PCT/US2008/012862 US2008012862W WO2009070218A3 WO 2009070218 A3 WO2009070218 A3 WO 2009070218A3 US 2008012862 W US2008012862 W US 2008012862W WO 2009070218 A3 WO2009070218 A3 WO 2009070218A3
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WO
WIPO (PCT)
Prior art keywords
methods
fine porosity
ceramic honeycombs
cordierite
porosity low
Prior art date
Application number
PCT/US2008/012862
Other languages
French (fr)
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WO2009070218A2 (en
Inventor
Gregory A Merkel
Original Assignee
Corning Inc
Gregory A Merkel
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 Corning Inc, Gregory A Merkel filed Critical Corning Inc
Priority to JP2010535955A priority Critical patent/JP5318881B2/en
Priority to EP08854953.0A priority patent/EP2234937B1/en
Priority to CN2008801239775A priority patent/CN101970377B/en
Priority to EP13152592.5A priority patent/EP2586756B1/en
Publication of WO2009070218A2 publication Critical patent/WO2009070218A2/en
Publication of WO2009070218A3 publication Critical patent/WO2009070218A3/en

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    • C04B38/00Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/0006Honeycomb structures
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    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/16Shaped 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
    • C04B35/18Shaped 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
    • C04B35/195Alkaline earth aluminosilicates, e.g. cordierite or anorthite
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    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3217Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
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    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3224Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
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    • C04B2235/34Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3418Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
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    • C04B2235/34Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3427Silicates other than clay, e.g. water glass
    • C04B2235/3436Alkaline earth metal silicates, e.g. barium silicate
    • C04B2235/3445Magnesium silicates, e.g. forsterite
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    • C04B2235/34Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3427Silicates other than clay, e.g. water glass
    • C04B2235/3463Alumino-silicates other than clay, e.g. mullite
    • C04B2235/3481Alkaline earth metal alumino-silicates other than clay, e.g. cordierite, beryl, micas such as margarite, plagioclase feldspars such as anorthite, zeolites such as chabazite
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    • C04B2235/349Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
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    • C04B2235/54Particle size related information
    • C04B2235/5418Particle size related information expressed by the size of the particles or aggregates thereof
    • C04B2235/5436Particle size related information expressed by the size of the particles or aggregates thereof micrometer sized, i.e. from 1 to 100 micron
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    • C04B2235/54Particle size related information
    • C04B2235/5418Particle size related information expressed by the size of the particles or aggregates thereof
    • C04B2235/5445Particle size related information expressed by the size of the particles or aggregates thereof submicron sized, i.e. from 0,1 to 1 micron
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    • C04B2235/70Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/74Physical characteristics
    • C04B2235/78Grain sizes and shapes, product microstructures, e.g. acicular grains, equiaxed grains, platelet-structures
    • C04B2235/787Oriented grains
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    • C04B2235/70Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/80Phases present in the sintered or melt-cast ceramic products other than the main phase
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/12All metal or with adjacent metals
    • Y10T428/1234Honeycomb, or with grain orientation or elongated elements in defined angular relationship in respective components [e.g., parallel, inter- secting, etc.]
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/12All metal or with adjacent metals
    • Y10T428/12479Porous [e.g., foamed, spongy, cracked, etc.]

Abstract

Disclosed are high-porosity cordierite honeycomb substrates having fine pore size, narrow pore size distribution, little or no microcracking, and a high thermal shock resistance. The porous ceramic honeycomb substrates generally include a primary cordierite ceramic phase as defined herein. Also disclosed are methods for making and using the cordierite substrates.
PCT/US2008/012862 2007-11-27 2008-11-17 Fine porosity low-microcracked ceramic honeycombs and methods thereof WO2009070218A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2010535955A JP5318881B2 (en) 2007-11-27 2008-11-17 Microporous low microcracked ceramic honeycomb and method
EP08854953.0A EP2234937B1 (en) 2007-11-27 2008-11-17 Method for making cordierite porous ceramic honeycomb articles
CN2008801239775A CN101970377B (en) 2007-11-27 2008-11-17 Fine porosity low-microcracked ceramic honeycombs and methods thereof
EP13152592.5A EP2586756B1 (en) 2007-11-27 2008-11-17 Fine porosity low-microcracked ceramic honeycombs

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/986,958 US7704296B2 (en) 2007-11-27 2007-11-27 Fine porosity low-microcracked ceramic honeycombs and methods thereof
US11/986,958 2007-11-27

Publications (2)

Publication Number Publication Date
WO2009070218A2 WO2009070218A2 (en) 2009-06-04
WO2009070218A3 true WO2009070218A3 (en) 2009-07-23

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PCT/US2008/012862 WO2009070218A2 (en) 2007-11-27 2008-11-17 Fine porosity low-microcracked ceramic honeycombs and methods thereof

Country Status (5)

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US (2) US7704296B2 (en)
EP (2) EP2234937B1 (en)
JP (1) JP5318881B2 (en)
CN (1) CN101970377B (en)
WO (1) WO2009070218A2 (en)

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