Synthesis of Silica Aerogel by Supercritical Drying Method

Tomasz Błaszczyński; Agnieszka Ślosarczyk; Maciej Morawski

doi:10.1016/j.proeng.2013.04.028

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Title

Synthesis of Silica Aerogel by Supercritical Drying Method

Authors

Tomasz Błaszczyński (WBiIŚ) ^{[ 1 ][ P ]}
Agnieszka Ślosarczyk (WBiIŚ) ^{[ 1 ][ P ]}
Maciej Morawski

^{[ 1 ]} Instytut Konstrukcji Budowlanych, Wydział Budownictwa i Inżynierii Środowiska, Politechnika Poznańska | ^{[ P ]} employee

Year of publication

2013

Published in

Procedia Engineering

Journal year: 2013 | Journal volume: vol. 57

Article type

scientific article / paper

Publication language

english

Keywords

EN

nano-composites
silica aerogel
sol-gel polymerization
supercritical drying
BET analysis

Abstract

EN The purpose of this paper was to prepare the silica aerogel using the sol-gel and supercritical drying processes. The supercritical drying was chosen as the most effective process, ensuring the best properties of product. For this reason the authors designed and built the supercritical dryer stand that allowed drying samples in high pressure and elevated temperature. The obtained silica aerogels exhibited good transparency, homogeneity, and comparable density. The specific surface measured by means of BET analysis equaled 870.5 g/cm.

Pages (from - to)

200 - 206

DOI

10.1016/j.proeng.2013.04.028

URL

https://www.sciencedirect.com/science/article/pii/S1877705813007583

Presented on

11th International Scientific Conference on Modern Building Materials, Structures and Techniques, MBMST 2013, 16-17.05.2013, Vilnius, Lithuania

License type

CC BY-NC-ND (attribution - noncommercial - no derivatives)

Open Access Mode

open journal