Abstract
Surface modi cation of polytetra uoroethylene lm was carried out by radiation-induced graft polymerization. This lm was rst modi ed prior to graft polymerization by Ar+ ion irradiation in order to activate the surface. Subsequently, graft polymerization of acrylic acid onto the activated surface was carried out under aqueous conditions to create patterned polymer brushes of poly(acrylic acid). The structure of the grafted surface was characterized by using Fourier transform-infrared spectroscopy (FT-IR), X-ray photoelectron spectroscopy (XPS) and scanning electron microscopy (SEM).
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