Comparative study of surface free energy and surface resistivity of polypropylene and polystyrene thin films after DC plasma treatment

R. Kumar

Published : 2022-08-26

Vol. 52 No. 5 (2007)

Comparative study of surface free energy and surface resistivity of polypropylene and polystyrene thin films after DC plasma treatment

R. Kumar

Abstract

The surfaces of polypropylene (PP) and polystyrene (PS) thin films were subjected to oxygen plasma treatment, produced by glow discharge (direct current, vacuum chamber, temp. 27-30°C, pressure 200Pa). The effects of time (up to 110s) and power (1W or 5W) of the treatment on the values of free energy (γs) of PS and PP samples and γs components - dispersive (γsD) and polar (γsP) ones - were determined. With prolonged time of interaction the values of γs and γsP increased, especially in the region of first 35-50s, while γsD values kept the similar level during the whole time of exposure. The dependence of PP and PS surface resistance on the same parameters as above (time and power of interaction) has been also found. For both polymers this resistance decrease with prolonged time and growing power of exposure.

Keywords

plazma tlenowa ; folie polimerowe ; oddziaływanie ; polistyren ; polipropylen ; swobodna energia powierzchniowa ; oporność powierzchniowa oxygen plasma ; polymeric films ; interactions ; polypropylene ; polystyrene ; free surface energy ; surface resistivity

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Kumar, R. (2022). Comparative study of surface free energy and surface resistivity of polypropylene and polystyrene thin films after DC plasma treatment. Polimery, 52(5), 336-339. Retrieved from https://polimery.ichp.vot.pl/index.php/p/article/view/1423

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