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Effect of curing process on simulated antisoiling properties of sol–gel coating on pine sapwood

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Abstract

Recently, inorganic–organic hybrid coatings produced by the sol–gel route have proven to be a potential protective treatment for wooden surfaces. In this study, the effect of curing process on simulated antisoiling properties of sol–gel coating was investigated. The sol–gel coating was spray-coated on pine sapwood and cured with different temperature and time combinations. The antisoiling properties were studied by measuring the water contact angle of the coating after different curing processes. In addition, abrasion resistance and contact angle of oleic acid were measured. An optical profilometer was used to investigate surface roughness of the coating. Sufficient hydro- and oleophobicity were obtained with all of the curing parameters. The comparison between curing parameters showed that lower temperature and 1–3 h curing time leads to significant improvement in the durability of the water and oil repellent properties of the coating.

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Acknowledgments

The authors gratefully acknowledge the financial support from industry and from the Finnish Funding Agency for Technology and Innovation (Tekes). The project was part of the FinNano Research Programme.

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Authors and Affiliations

  1. VTT Technical Research Centre of Finland, Sinitaival 6, P.O. Box 1300, FI-33101, Tampere, Finland

    Juha Nikkola & Juha Mannila

  2. VTT Technical Research Centre of Finland, Metallimiehenkuja 8, P.O. Box 1000, FI-02044, Espoo, Finland

    Riitta Mahlberg & Saila Jämsä

Authors
  1. Juha Nikkola
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  2. Riitta Mahlberg
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  3. Juha Mannila
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  4. Saila Jämsä
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Correspondence to Juha Nikkola.

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Nikkola, J., Mahlberg, R., Mannila, J. et al. Effect of curing process on simulated antisoiling properties of sol–gel coating on pine sapwood. J Coat Technol Res 7, 441–448 (2010). https://doi.org/10.1007/s11998-009-9217-x

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  • DOI: https://doi.org/10.1007/s11998-009-9217-x

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