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Interaction of Water with Silane Modified Aerosil Samples

Received: 26 June 2017     Accepted: 10 July 2017     Published: 9 August 2017
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Abstract

The interaction of water with pre-heat treated silylated aerosil samples was investigated by adsorption of water and by contact angle measurements at 293 K. Type II adsorption isotherms were obtained. The resulting BET specific surface areas were found to depend on pre-treatment. Contact angles were measured by the captive bubble method at the three phase contact line in water, on glass slides similarly modified. Silylation was found to decrease water adsorption on aerosil and increase the contact angles on the glass slides to extents that depend on the silane used as well as the concentration of residual silanols and on concentration and size of surface silyl groups.

Published in Colloid and Surface Science (Volume 2, Issue 3)
DOI 10.11648/j.css.20170203.15
Page(s) 118-124
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This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2017. Published by Science Publishing Group

Keywords

Modified Aerosil, Characterisation, Water Adsorption, Contact Angle

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    Misael Silas Nadiye-Tabbiruka. (2017). Interaction of Water with Silane Modified Aerosil Samples. Colloid and Surface Science, 2(3), 118-124. https://doi.org/10.11648/j.css.20170203.15

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    ACS Style

    Misael Silas Nadiye-Tabbiruka. Interaction of Water with Silane Modified Aerosil Samples. Colloid Surf. Sci. 2017, 2(3), 118-124. doi: 10.11648/j.css.20170203.15

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    AMA Style

    Misael Silas Nadiye-Tabbiruka. Interaction of Water with Silane Modified Aerosil Samples. Colloid Surf Sci. 2017;2(3):118-124. doi: 10.11648/j.css.20170203.15

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  • @article{10.11648/j.css.20170203.15,
      author = {Misael Silas Nadiye-Tabbiruka},
      title = {Interaction of Water with Silane Modified Aerosil Samples},
      journal = {Colloid and Surface Science},
      volume = {2},
      number = {3},
      pages = {118-124},
      doi = {10.11648/j.css.20170203.15},
      url = {https://doi.org/10.11648/j.css.20170203.15},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.css.20170203.15},
      abstract = {The interaction of water with pre-heat treated silylated aerosil samples was investigated by adsorption of water and by contact angle measurements at 293 K. Type II adsorption isotherms were obtained. The resulting BET specific surface areas were found to depend on pre-treatment. Contact angles were measured by the captive bubble method at the three phase contact line in water, on glass slides similarly modified. Silylation was found to decrease water adsorption on aerosil and increase the contact angles on the glass slides to extents that depend on the silane used as well as the concentration of residual silanols and on concentration and size of surface silyl groups.},
     year = {2017}
    }
    

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  • TY  - JOUR
    T1  - Interaction of Water with Silane Modified Aerosil Samples
    AU  - Misael Silas Nadiye-Tabbiruka
    Y1  - 2017/08/09
    PY  - 2017
    N1  - https://doi.org/10.11648/j.css.20170203.15
    DO  - 10.11648/j.css.20170203.15
    T2  - Colloid and Surface Science
    JF  - Colloid and Surface Science
    JO  - Colloid and Surface Science
    SP  - 118
    EP  - 124
    PB  - Science Publishing Group
    SN  - 2578-9236
    UR  - https://doi.org/10.11648/j.css.20170203.15
    AB  - The interaction of water with pre-heat treated silylated aerosil samples was investigated by adsorption of water and by contact angle measurements at 293 K. Type II adsorption isotherms were obtained. The resulting BET specific surface areas were found to depend on pre-treatment. Contact angles were measured by the captive bubble method at the three phase contact line in water, on glass slides similarly modified. Silylation was found to decrease water adsorption on aerosil and increase the contact angles on the glass slides to extents that depend on the silane used as well as the concentration of residual silanols and on concentration and size of surface silyl groups.
    VL  - 2
    IS  - 3
    ER  - 

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Author Information
  • Department of Chemistry, University of Botswana, Gaborone, Botswana

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