Water permeability of quarry stone superficially modified by plasma polymerization of hexamethyldisiloxane at atmospheric pressure: Fid-Bau Portal

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Water permeability of quarry stone superficially modified by plasma polymerization of hexamethyldisiloxane at atmospheric pressure

Lopez-Barrea, J.Antonio / Pimentel-Tinoco, O.G. / Olayo-Valles, Roberto / Morales-Corona, Juan / Olayo, Roberto

The surface of quarry stone was modified with a thin film of plasma-polymerized hexamethyldisiloxane (PPHMDSO) deposited at atmospheric pressure. The surface of the treated stone turned hydrophobic as shown by water contact angle measurements. FTIR characterization showed CH₃ and Si-CH₃ bands characteristic of HDMSO functional groups. Finally, the water absorption of untreated and PPHMDSO-modified stones was studied. In both cases, the water absorption profile was consistent with Fickian diffusion but the treated stone absorbed 8 times less water than the untreated stone.

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Water permeability of quarry stone superficially modified by plasma polymerization of hexamethyldisiloxane at atmospheric pressure

Lopez-Barrea, J.Antonio / Pimentel-Tinoco, O.G. / Olayo-Valles, Roberto / Morales-Corona, Juan / Olayo, Roberto

The surface of quarry stone was modified with a thin film of plasma-polymerized hexamethyldisiloxane (PPHMDSO) deposited at atmospheric pressure. The surface of the treated stone turned hydrophobic as shown by water contact angle measurements. FTIR characterization showed CH₃ and Si-CH₃ bands characteristic of HDMSO functional groups. Finally, the water absorption of untreated and PPHMDSO-modified stones was studied. In both cases, the water absorption profile was consistent with Fickian diffusion but the treated stone absorbed 8 times less water than the untreated stone.

Water permeability of quarry stone superficially modified by plasma polymerization of hexamethyldisiloxane at atmospheric pressure

Lopez-Barrea, J.Antonio / Pimentel-Tinoco, O.G. / Olayo-Valles, Roberto / Morales-Corona, Juan / Olayo, Roberto

The surface of quarry stone was modified with a thin film of plasma-polymerized hexamethyldisiloxane (PPHMDSO) deposited at atmospheric pressure. The surface of the treated stone turned hydrophobic as shown by water contact angle measurements. FTIR characterization showed CH₃ and Si-CH₃ bands characteristic of HDMSO functional groups. Finally, the water absorption of untreated and PPHMDSO-modified stones was studied. In both cases, the water absorption profile was consistent with Fickian diffusion but the treated stone absorbed 8 times less water than the untreated stone.

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Title:

Water permeability of quarry stone superficially modified by plasma polymerization of hexamethyldisiloxane at atmospheric pressure

Contributors:

Lopez-Barrea, J.Antonio (author) / Pimentel-Tinoco, O.G. (author) / Olayo-Valles, Roberto (author) / Morales-Corona, Juan (author) / Olayo, Roberto (author)

Published in:

Journal of Coatings Technology Research (JCTR) ; 11 ; 661-664

Publication date:

2014

Size:

4 Seiten

ISSN:

DOI:

https://doi.org/10.1007/s11998-014-9585-8

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

Plasmapolymerisation , wasserabstoßendes Mittel , Wasserabsorption , kontaktloses Messverfahren , Ficksche Diffusion , atmosphärischer Druck , funktionelle Gruppe , Dünnfilm

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