Post-irradiation evolution of gamma produced radicals in ethylene- propylene rubber

S. Baccaro, U. Buontempo, B. Caccia, S. Onori, M. Pantaloni

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Abstract

The ESR technique was used to investigate the time evolution of a γ-irradiated model rubber (ethylene-propylene copolymer loaded with antioxidant containing NH functional group ). Measurements have been performed at different temperatures in the (77-333) K range. Two different kinds of radicals (polymer and NO°) have been identified and their activation energy, related to the post-irradiation behaviour, evaluated. The results suggested the formation of NO° through a bimolecular process. © 1993.
Original languageEnglish
Pages (from-to)241 - 244
Number of pages4
JournalRadiation Physics and Chemistry
Volume42
Issue number1-3
DOIs
Publication statusPublished - 1993
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Radiation

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