Abstract
By using space charge density distribution measurement and TSDC (Thermally Stimulated Discharge Current) measurement, space and surface charge behavior of a corona-charged Polypropylene(PP) and Polyethylene(PE) thin film was studied. The Effect of an antistatic process using a low pressure discharge plasma and charge elimination process dipping in city water was examined. In order to study the mechanisms of the antistatic process, the composition of the sample surface was analyzed by X-ray photoelectron spectroscopy.It was observed that plasma surface processing enhanced the charge elimination performance for both PP and PE films. Charge accumulation in/on plasma processed PE films were much smaller than that of untreated ones. XPS analysis of those samples suggested the existence of carbonyl, car☐yl and amino groups on the surface of the plasma processed sample. In particular, a large amount of the amino group was found on the surface of the sample processed in nitrogen.
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