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Effect of γ-irradiation on the properties of poly(ester urethane) elastomer

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Abstract

The influence of irradiation with 60Co γ-rays on gelation, change in the mechanical characteristics, and the formation of supermolecular structure in a poly(ester urethane) elastomer synthesized from oligoether adipate and diisocyanate, as well as a diol with or without double carbon-carbon bonds, was studied. It was found that the presence of double carbon-carbon bonds in the structure of the elastomer ensures the predominance of crosslinking over degradation processes. It was shown that γ-irradiation at a dose of 380 kGy is accompanied by the formation of a microglobular structure of ∼1 μm size. The specifics of changes in the mechanical characteristics depending on the absorbed dose are discussed.

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Authors and Affiliations

  1. Soyuz Federal Center of Dual Technologies, ul. Akademika Zhukova 42, Dzerzhinskii, Moscow oblast, 140090, Russia

    Yu. M. Milekhin, D. N. Sadovnichii, S. V. Mukhachev, A. A. Koptelov, N. I. Shishov, E. A. Butenko & L. A. Davydova

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  1. Yu. M. Milekhin
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  2. D. N. Sadovnichii
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  3. S. V. Mukhachev
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  4. A. A. Koptelov
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  5. N. I. Shishov
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  6. E. A. Butenko
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  7. L. A. Davydova
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Correspondence to Yu. M. Milekhin.

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Original Russian Text © Yu.M. Milekhin, D.N. Sadovnichii, S.V. Mukhachev, A.A. Koptelov, N.I. Shishov, E.A. Butenko, L.A. Davydova, 2008, published in Khimiya Vysokikh Energii, 2008, Vol. 42, No. 1, pp. 22–26.

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Milekhin, Y.M., Sadovnichii, D.N., Mukhachev, S.V. et al. Effect of γ-irradiation on the properties of poly(ester urethane) elastomer. High Energy Chem 42, 18–22 (2008). https://doi.org/10.1134/S0018143908010049

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  • DOI: https://doi.org/10.1134/S0018143908010049

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