• Citer

XPS and contact angle study of N2 and O2 plasma-modified PTFE, PVDF and PVF surfaces

par Vandencasteele, Nicolas ;Merche, Delphine ;Reniers, François
Référence Surface and interface analysis, 38, 4, page (526-530)
Publication Publié, 2006-04

Article révisé par les pairs

• Accès en ligne
• Détails
• Contenu
• Statistiques

Résumé :

Poly tetrafluoroethylene (PTFE), polyvinylidene fluoride (PVDF) and polyvinyl fluoride (PVF) polymer surfaces were exposed to a remote N2 or O2 r.f. plasma. The effect of the plasma power and treatment time on the surface energy and the surface composition were studied by static water contact angle (WCA) and X-ray photoelectron spectroscopy (XPS). In every case, a strong defluorination of the surface was observed. Except for PTFE treated by oxygen, all the surfaces became more hydrophilic after plasma treatment, owing to the grafting of polar nitrogen or oxygen functions. The kinetics of defluorination and grafting seems to be favoured for PVDF and PVF surfaces. Copyright © 2006 John Wiley & Sons, Ltd.