Drying of Large Monolithic Aerogels between Atmospheric and Supercritical Pressures

Drying of Large Monolithic Aerogels between Atmospheric and Supercritical Pressures

The objectives of this investigation are to show the feasibility of producing large monoliths with minimal shrinkage at subcritical conditions, and to understand the drying behavior. Crack-free SiO2 monoliths (5.6 cm in diameter and 25 cm in length) were repeatedly dried with little shrinkage (

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Bibliographische Detailangaben
Veröffentlicht in:Journal of sol-gel science and technology 1998-01, Vol.13 (1-3), p.311-316
Hauptverfasser: Kirkbir, Fikret, Murata, Hideaki, Meyers, Douglas, Chaudhuri, S Ray
Format: Artikel
Sprache:eng
Schlagworte:
Aerogels
Drying
Feasibility
Gels
Pore size
Porosity
Pressure chambers
Shrinkage
Silicon dioxide
Supercritical pressures
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Beschreibung
Zusammenfassung:The objectives of this investigation are to show the feasibility of producing large monoliths with minimal shrinkage at subcritical conditions, and to understand the drying behavior. Crack-free SiO2 monoliths (5.6 cm in diameter and 25 cm in length) were repeatedly dried with little shrinkage (
ISSN:0928-0707
1573-4846
DOI:10.1023/A:1008668009340