Abstract

The composition of the polyethylene surface upon treatment in an oxygen plasma and its afterglow was studied by attenuated total reflectance IR spectroscopy and X-ray photoelectron spectroscopy. The oxidation of the surface at the lowest destruction rates was attained upon simultaneous action of excited O2(a1Δg) and ground-state oxygen molecules. However, O(3 P) atoms are involved in both the formation of oxygen-containing groups and their destruction accompanied by polymer degradation.

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