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Calcination of SiO2-Aerogel in Inert Atmosphere

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Abstract

Thermal treatment of SiO2-aerogel in inert atmosphere, in contrary to oxidizing atmosphere, yields a series of gas products with great range of mole masses (12–154 g mol−1) and every product has specific way of evolving. These substances are represented by CO, CO2, CH4, CH3OH, C2H6, C2H4 and aromates. Part of evolving products, which are formed during catalytic condensation, is trapped under the surface and after carbonisation it causes opacity of surface layer of aerogel.

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Authors and Affiliations

  1. Department of Chemistry, Faculty of Natural Sciences, Comenius University, Mlynská Dolina CH 2, 842 15, Bratislava, Slovak Republic

    K. Jesenák & R. Kubinec

  2. Department of Chemistry, Faculty of Natural Sciences, Comenius University, Mlynská Dolina CH-2, 842 15, Bratislava, Slovak Republic

    Ľ. Kuchta & V. Š. Fajnor

Authors
  1. K. Jesenák
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  2. R. Kubinec
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  3. Ľ. Kuchta
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  4. V. Š. Fajnor
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Jesenák, K., Kubinec, R., Kuchta, Ľ. et al. Calcination of SiO2-Aerogel in Inert Atmosphere. Journal of Thermal Analysis and Calorimetry 67, 207–211 (2002). https://doi.org/10.1023/A:1013762619629

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  • DOI: https://doi.org/10.1023/A:1013762619629

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