Abstract
Influence of electron beam irradiation on the morphology and contact angle of polypropylene was investigated. Electron beam processing was carried out at 8 – 10 kV accelerating voltage and a pressure of 5 – 10 Pa. Beam current density was up to 4.5 A/cm2, and the pulse duration - from 150 to 300 μs. The morphology of irradiated polymer material was studied by scanning-electron and atomic-force microscopy methods. It was established formation of extended equally oriented “hills” divided by “valleys”. The height of hills increases with the growth of energy flux density per pulse.
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