Enhancement of carbon-steel peel adhesion to rubber blend using atmospheric pressure plasma

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Authors

KRŠKOVÁ Jana SKÁCELOVÁ Dana KOVÁČIK Dušan RÁHEĽ Jozef PREŤO Jozef ČERNÁK Mirko

Year of publication 2016
Type Article in Periodical
Magazine / Source The European Physical Journal Applied Physics
MU Faculty or unit

Faculty of Science

Citation
Doi http://dx.doi.org/10.1051/epjap/2016150593
Field Plasma physics
Keywords DCSBD; carbon- steel peel adhesion; atmospheric pressure plasma
Description The surface of carbon-steel plates was modified by non-equilibrium plasma of diffuse coplanar surface barrier discharge (DCSBD) in order to improve the adhesive properties to the NR (natural rubber) green rubber compound. The effect of different treatment times as well as different input power and frequency of supplied high voltage was investigated. The samples were characterized using contact angle and surface free energy measurement, measurement of adhesive properties, scanning electron microscopy (SEM) and atomic force microscopy (AFM). Surface chemical composition was studied by energy-dispersive X-ray spectroscopy (EDX). Significant increase in wettability was observed even after 2 s of plasma exposure. The surface modification was confirmed also by peel test, where the best results were obtained for 6 s of plasma treatment. In addition the ageing effect was studied to investigate the durability of modification, which is crucial for the industrial applications.
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