Adhesion improvement of fibres by continuous plasma treatment at atmospheric pressure

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Abstract

Carbon fibres and ultra-high-molecular-weight polyethylene (UHMWPE) fibres were continuously treated by a dielectric barrier discharge plasma at atmospheric pressure for adhesion improvement with epoxy resins. The plasma treatment improved wettability, increased the oxygen containing polar functional groups at the surface, and subsequently improved adhesion to the epoxy and fracture resistance of epoxy composites. Hansen solubility parameters (HSP), quantitatively describing physical interactions among molecules, were measured for the UHMWPE fibre surfaces. The result identifies two distinct types of surfaces in both the plasma treated and the untreated fibres. One type is typical of polyethylene polymers while the other is characteristic of the oxygenated surface at much higher values of HSP.
Original languageEnglish
JournalProceedings of the Risø International Symposium on Materials Science
Volume34
Pages (from-to)273-278
ISSN0907-0079
Publication statusPublished - 2013
Event 34th Risø International Symposium on Materials Science: Processing of fibre composites – challenges for maximum materials performance - Technical University of Denmark, Risø Campus, Roskilde, Denmark
Duration: 2 Sep 20135 Sep 2013

Conference

Conference 34th Risø International Symposium on Materials Science
LocationTechnical University of Denmark, Risø Campus
CountryDenmark
CityRoskilde
Period02/09/201305/09/2013

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