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J Colloid Interface Sci. 2008 Dec 15;328(2):412-20. doi: 10.1016/j.jcis.2008.09.062. Epub 2008 Sep 30.

Polypropylene film chemical and physical modifications by dielectric barrier discharge plasma treatment at atmospheric pressure.

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Laboratoire de GEnie et Matériaux TEXtiles, Ecole Nationale Supérieure des Arts et Industrie Textiles, 2 allée Louise et Victor Champier, BP 30329, F-59056 Roubaix Cedex 1, France.


Dielectric barrier discharge (DBD) technologies have been used to treat a polypropylene film. Various parameters such as treatment speed or electrical power were changed in order to determine the treatment power impact at the polypropylene surface. Indeed, all the treatments were performed using ambient air as gas to oxidize the polypropylene surface. This oxidation level and the surface modifications during the ageing were studied by a wetting method and by X-ray photoelectron spectroscopy (XPS). Moreover polypropylene film surface topography was analyzed by atomic force microscopy (AFM) in order to observe the surface roughness modifications. These topographic modifications were correlated to the surface oxidation by measuring with a lateral force microscope (LFM) the surface heterogeneity. The low ageing effects and the surface reorganization are discussed.


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