Adhesion and XPS studies on a fluoropolymer-metal interface

Author: Park J.M.  

Publisher: Taylor & Francis Ltd

ISSN: 1568-5616

Source: Journal of Adhesion Science and Technology, Vol.5, Iss.2, 1991-01, pp. : 153-163

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Abstract

Adhesion between a glass-fiber-filled Teflon PFAR (tetrafluoroethylene and perfluoroalkoxyvinyl ether co-polymer) film and chromium-coated copper foil was studied. Excellent PFAcopper adhesion was achieved by high temperature lamination at 380°C. X-Ray photoelectron spectroscopy (XPS) studies revealed chemical reactions, defluorination reactions, and metal fluoride formation at the interface. The PFA surface created by etching the laminated copper foil in a ferric chloride solution was found to be quite different in surface properties from that of pure PFA.