Abstract
Poly(vinylidene fluoride) (PVDF) and the poly(hexafluoropropylene-vinylidene fluoride) (Viton) films are modified in order to produce heparin-like materials. This transformation is carried out on three steps: swift heavy ion irradiation (performed at the GANIL, Caen, France) of the polymer substrates, polystyrene (PS) grafting, functionalization of the PS. X-ray photoelectron spectroscopy is used to analyze the modification of the surface chemical composition at the several steps.
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