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Materiale Plastice
Cite as: Mater. Plast.
https://doi.org/10.37358/Mat.Plast.1964

OSIM Nr. R102356
ISSN Print 0025-5289
ISSN Online 2668-8220
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Materiale Plastice (Mater. Plast.), Year 2010, Volume 47, Issue 2,





ADRIANA SAMIDE, ADINA CIUCIU1, CONSTANTIN LOGOFATU, MIRCEA PREDA Surface Analysis of Protective Films Formed by Poly(vinyl) Alcohol on Titanium in Physiological Serum


Abstract:
The implants surfaces investigated in the present study were modified with the films of poly (vinyl) alcohol (PVA) which were formed in physiological serum (0.9% NaCl). Surfaces evaluation included electrochemical measurements such as linear potentiometry (LP) and electrochemical impedance spectroscopy (EIS). These suggest that PVA acts by adsorption at site on the metal surface and formed a compact, adherent and uniform layer. The composition of layer was estimated using Scanning Electron Microscopy with Energy Dispersive X-ray Spectroscopy (SEM/ EDX) and X-ray Photoelectron Spectroscopy (XPS) techniques, which confirm the adsorption of PVA on the surfaces, through -OH groups, with a specific affinity to the titanium subĀ­strate. Keywords: titanium electrode; electrochemical measurements; poly (vinyl) alcohol; SEM/ EDX; XPS



Issue: 2010 Volume 47, Issue 2
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