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INFLUENCE OF DIELECTRIC BARRIER DISCHARGE TREATMENTS ON THE SURFACE PROPERTIES OF POLYAMIDE-6 FILMS

G. Borcia1, N. Dumitrascu1,* , G. Popa1

Affiliation

  1. Plasma Physics Department, A.I. Cuza University, Iasi, Romania

Abstract

A dielectric barrier discharge (DBD) in helium at atmospheric pressure was used to obtain physico-chemical modifications of polyamide-6 (PA-6) films, focussing on the surface properties that are controlling the adhesion, particularly the degree of surface oxidation. The polymer surface is analyzed by AFM, contact angle measurements, XPS and ATR-FTIR. It is found that the adhesion properties of PA-6 (expressed by the adhesion work, the morphology and the oxygen-related functional groups introduced onto the surface) are enhanced by DBD treatment. No degradation effects with ageing time were observed, emphasizing the stability of the oxidised surface layer, in equilibrium with the bulk of the material..

Keywords

Dielectric barrier discharge, Polyamide-6 films, Adhesion, Oxidation.

Submitted at: Jan. 12, 2005
Accepted at: Sept. 22, 2005

Citation

G. Borcia, N. Dumitrascu, G. Popa, INFLUENCE OF DIELECTRIC BARRIER DISCHARGE TREATMENTS ON THE SURFACE PROPERTIES OF POLYAMIDE-6 FILMS, Journal of Optoelectronics and Advanced Materials Vol. 7, Iss. 5, pp. 2535-2538 (2005)