The effect of irradiation surface treatment of UHMWPE fibre on the interfacial properties of PVC composite

Abstract

Irradiation surface modification method was used for the surface treatment of ultrahigh molecular weight polyethylene (UHMWPE) fibre to improve the interfacial adhesion of the UHMWPE fibre reinforced PVC composite. The surface characteristics of untreated and treated UHMWPE fibre were characterised by XPS and Fourier transform infra-red spectroscope. The friction and wear properties of the PVC composites filled with differently surface-treated UHMWPE fibres (20 vol.-%), were investigated on a ring-on-block tribometer. Experimental results revealed that irradiation treatment largely increased the mechanical properties of UHMWPE fibre/neoprene/PVC (UF/N/PVC) composites. Scanning electron microscope investigation of worn surfaces of PVC composites showed that surface-treated UF/N/PVC composite had the strongest interfacial adhesion.

Keywords

Irradiation UHMWPE fibre PVC interfacial adhesion SEM

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