influence of plasma power to improvement of polyethylene surface properties
Publish place: 15th Iranian Natioanl Congress of Chimical Engineering
Publish Year: 1393
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICHEC15_613
تاریخ نمایه سازی: 19 تیر 1394
Abstract:
In this study, the surface of polyethylene (PE) has been treated using radio frequency (RF) plasma system with oxygen gas. The effect of different plasma powers (25, 50, 75 and 100 W) on surface property of PE in term of surface hydrophilicity was investigated. Hydrophilicity values were evaluated using water contact angle (WCA) measurement at different powers. The successful treatment of the PE was confirmed by contact angle and X-ray photoelectron spectroscopy (XPS) analysis. Surface roughness and topology was also evaluated using atomic force microscopy (AFM) analysis. The results showed a remarkable increasing in surface hydrophilicity with increasing plasma power. Changes in surface chemical composition, made the PE surface highly hydrophilic, which is due to formation of oxygen-containing polar groups such as C-O, C=O, -O-C=O, -COH on the surface. In addition, AFM analysis show obvious changes in PE surface topology as a consequence of the increasing power strength.
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Authors
saeid mehvari
chemistry and chemical engineering research center of iran p.o.box ۱۴۳۳۵-۱۸۶,tehran iran ,
hamidreza hajfarajollah
chemistry and chemical engineering research center of iran p.o.box ۱۴۳۳۵-۱۸۶,tehran iran ,
mahmoud habibian
chemistry and chemical engineering research center of iran p.o.box ۱۴۳۳۵-۱۸۶,tehran iran ,
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