In this paper different types of surface modification of polyester cords by low-temperature plasma at atmospheric pressure were studied. In the first type cords were activated by pulse surface positive corona discharge generated in a plasma reactor or by DCSBD (coplanar dielectric surface barrier discharge) in nitrogen or ambient air plasma at atmospheric pressure. The values of the static and dynamic adhesion of untreated cords and the plasma treated cords demonstrated positive influence of plasma surface treatment on the adhesion of cords to rubber. The mechanical properties were not significantly affected by plasma treatment. The second type of plasma treated involved the modification of cords by plasma polymerisation in mixture of nitrogen with butadiene. The plasma layer was homogenously coating the cords surface. The results show that values of static and dynamic adhesion for plasma polymerisation of treated cords are comparable with the standard chemical treatment based on RFL (resorcinol formaldehyde latex). From the study of the surface properties of the plasma treated cords by SEM (scanning electron microscopy), AFM (atomic force microscopy) and XPS (X-ray photoelectron spectroscopy) is evident that both chemical interactions and morphological changes of the surface cord fibres are responsible for the improved adhesion between treated reinforcing materials and rubber blend.
Plasma treatment and polymerization of textile reinforcing materials
2005
12 Seiten, 8 Bilder, 2 Tabellen, 7 Quellen
Aufsatz (Konferenz)
Englisch
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