Abstract
In this paper the effect of plasma treatment by using mixed gas (N2/O2) on surface properties of a Polypropylene PP films were investigated as a function of O2 content and treatment time. Results obtained by using Fourier Transform infrared spectrometer (FTIR), contact angle measurement and scanning electron microscopy (SEM). It is found that plasma treatment can change chemical structure of polymer surfaces partially. SEM images revealed distinct changes in topography of PP due to O2/N2 plasma treatment. Finally wettability and surface energy before and after treatment investigated in different conditions.
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