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Photo- and Radiation Creep and Durability of Polymers

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Abstract

The creep behavior of polycarbonate, polycaproamide, and polystyrene samples upon simultaneous and successive irradiation by fast electrons and optical-frequency radiation (photo- and radiation impact) was studied. The action of visible light in conjunction with electrons or immediately after electron irradiation leads to a dramatic increase in the creep rate. The absorbed doses of the onset of polymer degradation upon photo- and radiation impact are about an order of magnitude lower than those for electron irradiation alone. Macroradicals and stable radiolytic products absorbing light in a longer wavelength spectral region as compared with the initial polymers are assumed to be responsible for the photo- and radiation creep and durability of the polymers.

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Authors and Affiliations

  1. Institute of Physics and Power Engineering, Russian Federal Research Center, pl. Bondarenko 1, Obninsk, Kaluga oblast, 249020, Russia

    G. S. Zhdanov

  2. Karpov Institute of Physical Chemistry (Obninsk Branch), Russian Federal Research Center, Obninsk, Kaluga oblast, 249020, Russia

    V. F. Stepanov

  3. Obninsk Institute of Atomic Energy, Studgorodok 1, Obninsk, Kaluga oblast, 249020, Russia

    V. K. Milinchuk

Authors
  1. G. S. Zhdanov
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  2. V. F. Stepanov
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  3. V. K. Milinchuk
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Zhdanov, G.S., Stepanov, V.F. & Milinchuk, V.K. Photo- and Radiation Creep and Durability of Polymers. High Energy Chemistry 36, 378–382 (2002). https://doi.org/10.1023/A:1021066523424

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