Eur. Phys. J. Appl. Phys.
Volume 81, Number 1, January 2018
|Number of page(s)||9|
|Section||Plasma, Discharges and Processes|
|Published online||30 January 2018|
Modification of surface characteristic and tribo-electric properties of polymers by DBD plasma in atmospheric air
Institut Pprime, UPR 3346, CNRS - Université de Poitiers − ENSMA, IUT d'Angoulême,
4 Avenue de Varsovie,
2 LSTE Laboratory, M.S Mascara University, BP 305, Mascara 29000, Algeria
3 APELEC Laboratory, Djilalli Liabes University, Sidi Bel Abbes 22000, Algeria
4 Institut Pprime, CNRS, Université de Poitiers, ISAE-ENSMA, 86962 Futuroscope Chasseneuil, France
* e-mail: email@example.com
Received in final form: 16 June 2017
Accepted: 22 November 2017
Published online: 30 January 2018
The aim of this paper is to quantify the effects of dielectric barrier discharge (DBD) exposure on the physico-chemical and tribo-electric properties of polymers. The study was conducted in atmospheric air on polypropylene, polyethylene and polyvinyl-chloride. These three types of polymers are widely used in industry. The polymers were characterized by means of an optical profilometer, a fourier-transform infrared (FTIR) spectrometer and an electric charge measurement system. The latter is composed of a Faraday pail connected to an electrometer. The profilometer analyses showed that the DBD plasma treatment has increased the surface roughness of the three polymers. FTIR revealed that oxygen atoms and polar groups were grafted on their surfaces, thereby conferring them a hydrophilic character. The short (2 sec) DBD plasma treatment has considerably improved the electrostatic charge acquired by the polymers during electrostatic tribo-charging, while longer exposures conferred the polymer anti-static properties and decreased its tribo-charging capability. The correlation between the results of the physico-chemical analyses and the tribo-electric behavior has been discussed.
© EDP Sciences, 2018
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