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Title: Investigation of the free volume changes in thermally treated polyethylene by positron annihilation
Authors: Osoba, Wojciech
Keywords: positron annihilation spectroscopy; positron annihilation; spectroscopy PALS
Issue Date: 1999
Citation: Acta Physica Polonica. A, Vol. 95, nr 4 (1999), s. 632-636
Abstract: Positron lifetimes measurements in polyethylene were performed. Sam- . ples of the polyethylene were heated in the temperature range from 320 to 570 K. After cooling, the samples were used for the lifetime measurements in air at room temperature. A conventional fast-slow coincidence lifetime spectrometer was used for the measurements. Mean free volumes radii were calculated from the lifetime data.
ISSN: 0587-4246
Appears in Collections:Artykuły (WNŚiT)

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