BR0108502A - Alvéolo cerâmico de cordierita de expansão térmica baixa e processo de produção do mesmo - Google Patents

Alvéolo cerâmico de cordierita de expansão térmica baixa e processo de produção do mesmo

Info

Publication number
BR0108502A
BR0108502A BR0108502-6A BR0108502A BR0108502A BR 0108502 A BR0108502 A BR 0108502A BR 0108502 A BR0108502 A BR 0108502A BR 0108502 A BR0108502 A BR 0108502A
Authority
BR
Brazil
Prior art keywords
thermal expansion
crystal phase
cordierite
production process
low thermal
Prior art date
Application number
BR0108502-6A
Other languages
English (en)
Inventor
Yasushi Noguchi
Kyoko Makino
Original Assignee
Ngk Insulators Ltd
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 Ngk Insulators Ltd filed Critical Ngk Insulators Ltd
Publication of BR0108502A publication Critical patent/BR0108502A/pt

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    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/0006—Honeycomb structures
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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • 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
    • B01D39/2068—Other inorganic materials, e.g. ceramics
    • B01D39/2072—Other inorganic materials, e.g. ceramics the material being particulate or granular
    • B01D39/2075—Other inorganic materials, e.g. ceramics the material being particulate or granular sintered or bonded by inorganic agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • 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
    • B01D39/2068—Other inorganic materials, e.g. ceramics
    • B01D39/2082—Other inorganic materials, e.g. ceramics the material being filamentary or fibrous
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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Geology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Catalysts (AREA)

Abstract

"ALVéOLO CERâMICO DE CORDIERITA DE EXPANSãO TéRMICA BAIXA E PROCESSO DE PRODUçãO DO MESMO". A presente invenção refere-se a um alvéolo cerâmico de cordierita de expansão térmica inferior é obtido por controle das fases cristal de tal modo que uma fase cristal de cordierita não é inferior a 60% e uma fase cristal de indialita não é superior a 30<198>C, em que a soma da fase cristal de cordierita e a fase cristal de indialita não é inferior a 85%. Além disto, para este fim, um processo para produção de alvéolo cerâmico de cordierita de expansão térmica inferior, possuindo as etapas de mistura de matérias-primas e agentes de formação para obter uma batelada de matérias-primas, extrusão e secagem da batelada de matéria-prima para obter um corpo formado e sintetização do corpo formado é caracterizado pelo fato de que, durante a etapa de sintetização, uma razão decrescente de temperatura pelo menos da temperatura máxima para 1.3000<198>C não é maior do que 100<198>C/hora.
BR0108502-6A 2000-04-07 2001-04-06 Alvéolo cerâmico de cordierita de expansão térmica baixa e processo de produção do mesmo BR0108502A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000105875 2000-04-07
PCT/JP2001/003002 WO2001077042A1 (fr) 2000-04-07 2001-04-06 Structure alveolaire ceramique a cordierite presentant une faible dilatation thermique et procede de fabrication de ladite structure

Publications (1)

Publication Number Publication Date
BR0108502A true BR0108502A (pt) 2003-03-18

Family

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Application Number Title Priority Date Filing Date
BR0108502-6A BR0108502A (pt) 2000-04-07 2001-04-06 Alvéolo cerâmico de cordierita de expansão térmica baixa e processo de produção do mesmo

Country Status (11)

Country Link
US (1) US20030165661A1 (pt)
EP (1) EP1270531B1 (pt)
JP (1) JP4467863B2 (pt)
KR (1) KR100481255B1 (pt)
CN (1) CN1318347C (pt)
AU (1) AU2001246856A1 (pt)
BR (1) BR0108502A (pt)
CA (1) CA2399763C (pt)
DE (1) DE60126256T2 (pt)
WO (1) WO2001077042A1 (pt)
ZA (1) ZA200206226B (pt)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7132066B2 (en) * 2003-09-30 2006-11-07 Ngk Insulators, Ltd. Method for producing honeycomb structure and honeycomb structure
US8663545B2 (en) * 2004-03-31 2014-03-04 Ngk Insulators, Ltd. Method of manufacturing honeycomb structure and honeycomb structure
JPWO2006006667A1 (ja) * 2004-07-14 2008-05-01 日本碍子株式会社 多孔質ハニカム構造体の製造方法
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CN1318347C (zh) 2007-05-30
EP1270531B1 (en) 2007-01-24
CA2399763A1 (en) 2001-10-18
EP1270531A1 (en) 2003-01-02
EP1270531A4 (en) 2004-11-17
CA2399763C (en) 2007-03-13
WO2001077042A1 (fr) 2001-10-18
US20030165661A1 (en) 2003-09-04
KR100481255B1 (ko) 2005-04-08
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JP4467863B2 (ja) 2010-05-26
KR20020092363A (ko) 2002-12-11

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