Influence of γ irradiation on the conformation of free radicals in polytetrafluoroethylene

Abstract

A study has been made of the spectra of electron paramagnetic resonance and of experimental curves of accumulation of free radicals in polytetrafluoroethylene at different temperatures and radiation doses. It has been found that at a temperature of 60oC, the curve of accumulation of stabilized radicals goes through the maximum and thereafter drops exponentially. The change in the parameters of intermolecular interaction causes the transformation of a standardly shaped accumulation curve with saturation to a nonmonotonic curve with a maximum.

Original language	English
Pages (from-to)	455-458
Number of pages	4
Journal	Journal of Engineering Physics and Thermophysics
Volume	85
Issue number	2
DOIs	https://doi.org/10.1007/s10891-012-0672-3
Publication status	Published - 1 Mar 2012
Externally published	Yes

Keywords

γ irradiation
Phase state
Polymer
Structure

ASJC Scopus subject areas

Condensed Matter Physics
Engineering(all)

Access to Document

10.1007/s10891-012-0672-3

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Influence of γ irradiation on the conformation of free radicals in polytetrafluoroethylene. / Komarov, F. F.; Kupchishin, A. I.; Pivovarov, S. P.; Tlebaev, K. B.; Kusainov, A. T.; Rukhin, A. B.; Pozdeeva, T. V.

In: Journal of Engineering Physics and Thermophysics, Vol. 85, No. 2, 01.03.2012, p. 455-458.

Research output: Contribution to journal › Article › peer-review

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abstract = "A study has been made of the spectra of electron paramagnetic resonance and of experimental curves of accumulation of free radicals in polytetrafluoroethylene at different temperatures and radiation doses. It has been found that at a temperature of 60oC, the curve of accumulation of stabilized radicals goes through the maximum and thereafter drops exponentially. The change in the parameters of intermolecular interaction causes the transformation of a standardly shaped accumulation curve with saturation to a nonmonotonic curve with a maximum.",

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AU - Komarov, F. F.

AU - Kupchishin, A. I.

AU - Pivovarov, S. P.

AU - Tlebaev, K. B.

AU - Kusainov, A. T.

AU - Rukhin, A. B.

AU - Pozdeeva, T. V.

PY - 2012/3/1

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AB - A study has been made of the spectra of electron paramagnetic resonance and of experimental curves of accumulation of free radicals in polytetrafluoroethylene at different temperatures and radiation doses. It has been found that at a temperature of 60oC, the curve of accumulation of stabilized radicals goes through the maximum and thereafter drops exponentially. The change in the parameters of intermolecular interaction causes the transformation of a standardly shaped accumulation curve with saturation to a nonmonotonic curve with a maximum.

KW - γ irradiation

KW - Phase state

KW - Polymer

KW - Structure

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