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    Utilization of profilometry, SEM, AFM and contact angle measurements in describing surfaces of plastic floor coverings and explaining their cleanability

    Year: 2005

    Journal: Surface Science 584 (2005) 119-125, 20111221

    Authors: R. Kuisma, E. Pesonen-Leinonen, I. Redsven, H-R. Kymäläinen, I. Saarikoski, A.-M. Sjöberg, M. Hautala

    Organizations: Department of Agrotechnology, University of Helsinki, P.O. Box 28, FIN-00014 Helsinki, Finland; Department of Chemistry, University of Joensuu, P.O. Box 111, FIN-80101 Joensuu, Finland

    The tendency to soil and cleanability of ten commercial plastic floor coverings: eight vinyl (PVC) floor coverings, one vinyl composite tile and one plastic composite tile, were examined. Floor coverings were soiled with inorganic, organic and biological soil. The cleanability was measured both by bioluminescence of ATP (adenosine triphosphate) and colorimetrically. The surface topography was studied by AFM, SEM and with a profilometer. From the 2D- and 3D-profilometric measurements several characteristic parameters of the surface profiles were extracted. The tendency to soil and cleanability were compared with the characteristics of the surface. A weak correlation was found between roughness and soilability but no correlation between roughness and cleanability. Roughness had no correlation with contact angle.