Atmospheric air-plasma treatments of polyester textile structures

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作者
Leroux, F. [1 ]
Perwuelz, A. [1 ]
Campagne, C. [1 ]
Behary, N. [1 ]
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[1] GEMTEX Research Laboratory, Ecole Nationale Supérieure des Arts et Industrie Textiles (ENSAIT), 9 rue de l'Ermitage, F-59070 Roubaix Cedex 1, France
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The effects of atmospheric air-plasma treatments on woven and non-woven polyester (PET) textile structures were studied by surface analysis methods: wettability and capillarity methods; as well as atomic force microscopy/lateral force microscopy (AFM/LFM). The water contact angle on plasma-treated PET decreased from 80°to 50-40°; indicating an increase in the surface energy of PET fibres due to a change in the fiber surface chemical nature; which was confirmed by a higher fiber friction force measured by the LFM. The extent of water contact angle decrease; as well as the wash fastness of the treatment varied with the structure of the textile. Indeed the more porous the textile structure is (such as a non-woven); the fewer are the chain scissions of the PET at the fiber surface; during the plasma treatment. Thus; the level of surface oxidation and the weak boundary layers formation depend not only on plasma treatment parameters but also on the textile structure. © VSP 2006;
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页码:939 / 957
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