WO2008031130A3 - Verfahren zur herstellung eines insbesondere porösen keramischen formkörpers und damit hergestellter formkörper - Google Patents

Verfahren zur herstellung eines insbesondere porösen keramischen formkörpers und damit hergestellter formkörper Download PDF

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Publication number
WO2008031130A3
WO2008031130A3 PCT/AT2007/000434 AT2007000434W WO2008031130A3 WO 2008031130 A3 WO2008031130 A3 WO 2008031130A3 AT 2007000434 W AT2007000434 W AT 2007000434W WO 2008031130 A3 WO2008031130 A3 WO 2008031130A3
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Prior art keywords
shaped
producing
suspension
optionally
particular porous
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Application number
PCT/AT2007/000434
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English (en)
French (fr)
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WO2008031130A2 (de
Inventor
Reinhard Simon
Robert Danzer
Original Assignee
Montanuniv Leoben
Reinhard Simon
Robert Danzer
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Application filed by Montanuniv Leoben, Reinhard Simon, Robert Danzer filed Critical Montanuniv Leoben
Priority to US12/441,210 priority Critical patent/US20090325442A1/en
Priority to EP07800179A priority patent/EP2061733A2/de
Publication of WO2008031130A2 publication Critical patent/WO2008031130A2/de
Publication of WO2008031130A3 publication Critical patent/WO2008031130A3/de

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    • C04B38/0051—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof characterised by the pore size, pore shape or kind of porosity
    • C04B38/0064—Multimodal pore size distribution
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B18/00—Layered products essentially comprising ceramics, e.g. refractory products
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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
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  • Crystallography & Structural Chemistry (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Porous Artificial Stone Or Porous Ceramic Products (AREA)

Abstract

Die Erfindung betrifft ein Verfahren zur Herstellung eines insbesondere porösen keramischen Formkörpers, welcher keramische Formkörper optional mit Fasern und/oder textilem Halbzeug wie Gewebe verstärkt ist, wobei ein Pulver A und zumindest ein weiteres Pulver B in einer Flüssigkeit suspendiert werden, wonach aus der so erstellten Suspension optional in Kombination mit Fasern und/oder textilem Halbzeug ein Formkörper gebildet und optional der Formkörper gesintert wird. Erfindungsgemäß ist vorgesehen, dass die Pulver A und B ungefähr bei einem pH-Wert der Flüssigkeit suspendiert werden, bei dem ein Viskositätsminimum der Suspension gegeben ist, wodurch hohe Feststoffgehalte in der Suspension bei niedrigen Viskositäten eingestellt werden können. Dies ermöglicht eine rasche Herstellung von weitgehend rissfreien Formkörpern mit vorteilhaft defektarmen Gefügen.
PCT/AT2007/000434 2006-09-14 2007-09-13 Verfahren zur herstellung eines insbesondere porösen keramischen formkörpers und damit hergestellter formkörper WO2008031130A2 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US12/441,210 US20090325442A1 (en) 2006-09-14 2007-09-13 Process for producing an in particular porous shaped ceramic body and shaped body produced thereby
EP07800179A EP2061733A2 (de) 2006-09-14 2007-09-13 Verfahren zur herstellung eines insbesondere porösen keramischen formkörpers und damit hergestellter formkörper

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AT0152906A AT504168B1 (de) 2006-09-14 2006-09-14 Verfahren zur herstellung eines insbesondere porösen keramischen formkörpers und damit hergestellter formkörper
ATA1529/2006 2006-09-15

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CN107879731B (zh) * 2017-11-13 2020-07-07 清华大学 一种利用水性聚氨酯增强超轻泡沫陶瓷坯体强度的方法
US20210154641A1 (en) * 2019-11-27 2021-05-27 Solenis Technologies, L.P. Sorbent for at least one metal

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US6136241A (en) * 1994-05-09 2000-10-24 Ceramtec Ag Innovative Ceramic Engineering Method for the forming of ceramic green parts
DE19943103A1 (de) * 1999-09-09 2001-03-15 Wacker Chemie Gmbh Hochgefüllte SiO2-Dispersion, Verfahren zu ihrer Herstellung und Verwendung
DE10318514B3 (de) * 2003-04-24 2004-09-16 Dornier Gmbh Mehrschichtiges keramisches Verbundmaterial mit thermischer Schutzwirkung

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CA1325327C (en) * 1987-01-20 1993-12-21 Kenji Saita Process for production of porous ceramic article
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US5188780A (en) * 1991-04-18 1993-02-23 Regents Of The University Of California Method for preparation of dense ceramic products
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DE59302050D1 (de) * 1992-07-28 1996-05-02 Ludwig J Gauckler Verfahren zur herstellung keramischer grünkörper
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US5009822A (en) * 1989-07-17 1991-04-23 University Of Florida Alumina-or alumina/zirconia-silicon carbide whisker ceramic composites and methods of manufacture
US6136241A (en) * 1994-05-09 2000-10-24 Ceramtec Ag Innovative Ceramic Engineering Method for the forming of ceramic green parts
DE19943103A1 (de) * 1999-09-09 2001-03-15 Wacker Chemie Gmbh Hochgefüllte SiO2-Dispersion, Verfahren zu ihrer Herstellung und Verwendung
DE10318514B3 (de) * 2003-04-24 2004-09-16 Dornier Gmbh Mehrschichtiges keramisches Verbundmaterial mit thermischer Schutzwirkung

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US20090325442A1 (en) 2009-12-31
EP2061733A2 (de) 2009-05-27

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