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Adhesion of microwave-plasma-treated fluoropolymers to thermoset vinylester
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology, Polymer Technology.ORCID iD: 0000-0002-5850-8873
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology, Polymer Technology.
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2005 (English)In: Journal of Applied Polymer Science, ISSN 0021-8995, E-ISSN 1097-4628, Vol. 98, no 2, 838-842 p.Article in journal (Refereed) Published
Abstract [en]

Poly(tetrafluoroethylene) and a fluoroethylene copolymer were surface treated with a 2.45-GHz microwave plasma to enhance their adhesion to a vinylester thermoset. The plasmas were generated with an inert gas (Ar) and with reactive gases (H-2, O-2, and N-2). The lap-joint shear stress was measured on fluoropolymer samples glued with the vinylester. In general, the stress at failure increased with increasing plasma-energy dose. The H, plasma yielded the best adhesion, and X-ray photoelectron spectroscopy revealed that it yielded the highest degree of defluorination of the fluoropolymer surface. The defluorination efficiency declined in the order H-2, Ar, O-2, and N-2. Contact angle measurements and scanning electron microscopy revealed that the surface roughness of the fluoropolymer depended on the rate of achieving the target energy dose. High power led to a smoother surface, probably because of a greater increase in temperature and partial melting.

Place, publisher, year, edition, pages
2005. Vol. 98, no 2, 838-842 p.
Keyword [en]
poly(tetrafluoroethylene), poly(fluoroethylene-co-fluoropropylene), vinylester thermoset, adhesion, plasma, linked polytetrafluoroethylene ptfe, induced cross-linking, surface modification, low-pressure, radiation, poly(tetrafluoroethylene), polymers, wettability, esr, rf
URN: urn:nbn:se:kth:diva-15018DOI: 10.1002/app.22174ISI: 000231680500040ScopusID: 2-s2.0-27744527457OAI: diva2:333059
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2012-05-04Bibliographically approved

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Hedenqvist, Mikael S.Odelius, KarinAlbertsson, Ann-Christine
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