Main Article Content
This research was to study of the effect of surface modification of Acrylonitrile Butadiene Styrene (ABS) plastics treated by atmospheric pressure plasma jet. The surface modification was performed at a fixed Ar gas flow rate, while varying the O2 gas flow rate near plasma jet plume. The treated surface characteristics were investigated by atomic force microscopy (AFM), X-ray photoelectron spectroscopy (XPS), and contact angle measurement. The results showed that the functional groups containing oxygen such as C−O, C=O and O−C=O on the plastic surface were observed after plasma treatment. These functional groups can enhance the hydrophilic property of plastic surface. In addition, the morphology and roughness of plastic surface were dramatically changed as a function of O2 gas flow rate.
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