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Hydrolysis-condensation of tetraethoxysilane in nonparental solvents studied by GC-MS

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Abstract

Gas-chromatography coupled with mass spectrometry was used to investigate the hydrolysis and condensation of tetra-ethoxysilane (TEOS) in nonparental solvents (MeOH and nPrOH). In the presence of nonparental solvents, the reaction that advanced at highest rate is alkoxy group scrambling, that changes the precursor at the molecular level. Subsequent stages of hydrolysis-polycondensation process are essentially determined by the reactivity of the new molecular species formed.

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Authors and Affiliations

  1. Chemical Research Institute Bucharest, Roumania

    V. Badescu & M. Radu

  2. Institute of Physical Chemistry, Roumanian Academy, 202, Splaiul Independentei, 77208, Bucharest, Roumania

    M. Zaharescu & A. Vasilescu

Authors
  1. V. Badescu
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  2. M. Radu
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  3. M. Zaharescu
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  4. A. Vasilescu
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Badescu, V., Radu, M., Zaharescu, M. et al. Hydrolysis-condensation of tetraethoxysilane in nonparental solvents studied by GC-MS. J Sol-Gel Sci Technol 2, 43–49 (1994). https://doi.org/10.1007/BF00486211

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  • DOI: https://doi.org/10.1007/BF00486211

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