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Molecular-topological and thermal properties of gamma-irradiated alternating carbon monoxide-ethylene copolymer

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Abstract

Gamma-irradiation to a dose of up to 2000 kGy does not lead to substantial changes in the topological structure of a carbon monoxide copolymer with ethylene, thereby suggesting it high radiation resistance. The topological structure of unirradiated and irradiated copolymer samples is polyblock in nature having four crystalline phases as the branching “junctions” in the pseudo-network structure of its amorphous block. Copolymer molecular flow begins after completion of melting of its high-melting fraction and at an onset flow temperature of 484 ± 4 K regardless of the absorbed radiation dose. The irradiated and unirradiated copolymer releases the same gaseous products upon heating, and the irradiation itself does not affect the onset temperature of effective gas evolution.

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Authors and Affiliations

  1. Institute of Problems of Chemical Physics, Russian Academy of Sciences, pr. Akademika Semenova 1, Chernogolovka, Moscow oblast, 142432, Russia

    Yu. A. Ol’khov, S. R. Allayarov & G. P. Belov

Authors
  1. Yu. A. Ol’khov
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  2. S. R. Allayarov
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  3. G. P. Belov
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Correspondence to Yu. A. Ol’khov.

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Original Russian Text © Yu.A. Ol’khov, S.R. Allayarov, G.P. Belov, 2012, published in Khimiya Vysokikh Energii, 2012, Vol. 46, No. 3, pp. 192–198.

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Ol’khov, Y.A., Allayarov, S.R. & Belov, G.P. Molecular-topological and thermal properties of gamma-irradiated alternating carbon monoxide-ethylene copolymer. High Energy Chem 46, 148–154 (2012). https://doi.org/10.1134/S0018143912030113

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  • DOI: https://doi.org/10.1134/S0018143912030113

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