Abstract
Polyethylene (PE) powders were grafted by acrylic acid or maleic anhydride/ styrene monomers. The elemental surface composition was determined by means of X-ray photoelectron spectroscopy (XPS). Time-of-flight secondary ion mass spectrometry (ToF-SIMS) investigations were carried out to obtain information about the molecular build-up of the grafted polymers. XPS measurements showed the presence of oxygen-containing functional groups on the PE particle surface. The ToF-SIMS spectra gave evidence for polymer chains with alternating maleic anhydride and styrene units. In addition, fragments of polystyrene block segments were found.
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