Journal
APPLIED SURFACE SCIENCE
Volume 221, Issue 1-4, Pages 203-214Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0169-4332(03)00879-1
Keywords
dielectric barrier discharge (DBD); polymer films; surface treatment; surface characterisation; oxidation; ageing
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In this paper, we report and discuss the results of the surface treatment, using an atmospheric pressure dielectric barrier discharge (DBD), of selected polymer films which have no bonded oxygen in their intrinsic structures. Contact angle, X-ray photoelectron spectroscopy (XPS) and scanning electron microscopy (SEM) data are presented with respect to post-treatment characterisation and the dependence of these outcomes on the salient processing variables: energy dissipated, exposure duration and inter-electrode gap. Under the treatment conditions used, remarkably uniform treatment and markedly stable modified surface proper-ties result from the test surfaces exposed to the discharge, even at transit speeds simulating those associated with continuous on-line processing. The DBD system thus described, provides chemically mild and mechanically non-destructive means of altering surface properties, targeting improved surface characteristics and potentially better application performance. (C) 2003 Elsevier B.V. All rights reserved.
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