Abstract
Structural and magnetic properties of metal (Cu and Fe@Au) nanoparticles and phthalocyanine grafted on plasma activated ultra-high-molecular weight polyethylene (PE) are reported. Plasma treatment alters surface morphology, charge and creates polar groups on PE surface, which affects values of contact angle. X-ray photoelectron spectroscopy and electrokinetic analysis proved successful binding of all grafted magnetic compounds. Morphological changes after each modification step were monitored by atomic force and scanning electron microscopies. SEM images revealed homogeneous distribution of BPD and agglomerates of Fe@AuNP-BPD on plasma treated PE surface. Electron paramagnetic resonance spectra captured at 300 K confirmed successful binding of the CuPc and NPs at the radicals or BPD sites with a specific signal shape for each type of the grafted material.
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