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Changes in the Thermal Behaviour of NBR Due to Accelerated γ-radiation-induced Ageing

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Abstract

Thermal investigation has allowed us to show the changes undergone by a sort of nitrile-butadiene rubber (NBR) as a consequence ofγ-radiation-induced ageing. The parameters of the processes, which occur at progressive heating of the investigated samples, were determined. It was shown that for γ-irradiated samples the activation parameters corresponding to the thermo-oxidative process leading to solid products are correlated through the relation of compensation effect. Also, it was shown that, by γ-irradiation, NBR undergoes a relatively rapid change of its thermal behaviour which can be due to structural changes.

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Authors and Affiliations

  1. ICPE – Research and Development Institute for Electrical Engineering, Splaiul Unirii 313, Sector 3, Bucharest, 74204, Romania

    P. Budrugeac

  2. Department of Physical Chemistry, Faculty of Chemistry, University of Bucharest, Bd. Elisabeta 4–12, Bucharest, Romania

    D. Fatu

Authors
  1. P. Budrugeac
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  2. D. Fatu
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Budrugeac, P., Fatu, D. Changes in the Thermal Behaviour of NBR Due to Accelerated γ-radiation-induced Ageing. Journal of Thermal Analysis and Calorimetry 63, 901–906 (2001). https://doi.org/10.1023/A:1010177112566

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  • DOI: https://doi.org/10.1023/A:1010177112566

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