Procesy utleniania i desorpcji tlenu zachodzące w warstwie wierzchniej aktywowanej folii polipropylenowej

M. Żenkiewicz

doi:10.14314/polimery.2000.701

Published : 2022-09-21

Vol. 45 No. 10 (2000)

Oxidation and desorption of oxygen from the upper layer of corona treated polypropylene film

M. Żenkiewicz

DOI: https://doi.org/10.14314/polimery.2000.701

Abstract

Photoelectron spectroscopy (XPS) was used to study oxidation in the upper layer of biaxially oriented PP film (BOPP). The layers examined were 0.6, 1.9 and 3.7 nm deep, corresponding to photoelectron take-off angles of 10°, 30° and 90°. X-ray and ultrahigh vacuum (UHV), associated with the study method, were found to promote desorption of oxygen from the upper layer. In the films exhibiting high activation specific energies (Ej > 30 kj/m2), this desorption was found to deplete the external layer about 2 nm deep in oxygen as compared with deeper layers (Table 4, Sample 6). This depletion is one of the sources of error in the XPS method used to study polymer film upper layers.

Keywords

spektroskopia fotoelektronowa ; aktywowana folia polipropylenowa ; utlenianie warstwy wierzchniej ; desorpcja tlenu ; wpływ metody badań na wyniki photoelectron spectroscopy ; corona treated polypropylene film ; oxidation in film's tipper layer ; desorption of oxygen ; effect of study method on results

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Żenkiewicz, M. (2022). Oxidation and desorption of oxygen from the upper layer of corona treated polypropylene film. Polimery, 45(10), 701–706. https://doi.org/10.14314/polimery.2000.701