Rutherford backscattering (RBS) and contact angle measurements were used to study surface segregation in polymeric films, The films consisted of the UV-curable resin 4, 4’-isopropylidenediphenylethoxy diacrylate to which the fluorinated acrylic monomer 2-(N-butylperfluorooctanesulfonamido) ethylacrylate was added, The resins were coated on a quartz substrate and on a high density polyethylene substrate which have different polarities and surface tensions. The fluorinated monomer is shown to segregate to the surface, which creates a hydrophobic surface, When an apolar substrate is used the monomer enriches both interfaces, while if a polar substrate is used the monomer preferentially enriches the air interface.