Structural Control of Ambient Drying Silica Aerogel by Drying Control Chemical Additive

The effect of glycerol as a drying control chemical additive for ambient pressure drying of silica aerogel was investigated. Silica hydrosol was prepared by the addition of 0.5~2.0 mass% glycerol to the mixture of metal alkoxide (TEOS) precursor and isopropanol as a solvent. The glycerol additive in...

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Veröffentlicht in:	Journal of the Japan Institute of Metals and Materials 2009, Vol.73(8), pp.608-612
Hauptverfasser:	Park, Seon-Woo, Jang, Byung-Koog, Oh, Young-Jei
Format:	Artikel
Sprache:	eng ; jpn
Schlagworte:	ambient pressure drying Bulk density crack-free Drying drying control chemical additive(DCCA) gelation Glycerol Hydrophobicity Pore size Porosity Pressure effects Silica aerogels Specific surface Springback springback effect Surface area
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