Synthesis of Silica Aerogel by Supercritical Drying Method | Zendy

Tomasz Błaszczyński | Zendy; Agnieszka Ślosarczyk | Zendy; Maciej Morawski | Zendy

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Synthesis of Silica Aerogel by Supercritical Drying Method

Author(s) -

Tomasz Błaszczyński,

Agnieszka Ślosarczyk,

Maciej Morawski

Publication year - 2013

Publication title -

procedia engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.32

H-Index - 74

ISSN - 1877-7058

DOI - 10.1016/j.proeng.2013.04.028

Subject(s) - aerogel , supercritical fluid , supercritical drying , materials science , chemical engineering , porosity , specific surface area , composite material , chemistry , organic chemistry , catalysis , engineering

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

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