Surface modification of Teflon (R) PFA with vacuum UV photo-oxidation

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Title: Surface modification of Teflon (R) PFA with vacuum UV photo-oxidation
Author: Dasilva, W.; Entenberg, Alan; Kahn, Bruce; Debies, Thomas; Takacs, Gerald
Abstract: Surface modification of poly(tetrafluoroethylene-co-perfluoropropyl vinyl ether) (PFA) with vacuum UV (VUV) photo-oxidation using radiation from excited Ar atoms downstream from an At microwave (MW) plasma shows: (1) an improvement in wettability as observed by water contact-angle measurements: (2) surface roughening; (3) incorporation of oxygen as C=O, CF-O-CF2 and CF2-O-CF2 moieties and (4) enhancement of the CF-O-CnF2n+1 concentration. Adhesion measurements of Cu sputter coated onto the photo-oxidized PFA surface results in failure within the PFA (cohesive failure) and not at the Cu-PFA interface.
Record URI: http://hdl.handle.net/1850/7295
Publishers URL: http://dx.doi.org/10.1163/156856106777144318
Date: 2006

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