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Simulation of thermal decomposition of a polymer at random scissions of C-C bonds

  • Chemical Physics of Polymer Materials
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Abstract

A mathematical formulation of the polymer thermal decomposition model at random scissions of C-C bonds in the backbone is presented. The model is based on ideas about a macrokinetic character of the observed process Polymer → Gaseous products, and the thermofluctuation nature of the bond scission. The suggested approach makes it possible to calculate the decomposition rate in a wide pressure range at any initial molecular weight distribution of the polymer. As an example, a comparison of the calculation results for temperature-time dependences of the conversion degree and decomposition rate with experimental data obtained in isothermal and non-isothermal regimes is performed for linear polyethylene.

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Authors and Affiliations

  1. The Federal Center for Dual-Use Technologies “Soyuz”, Dzerzhinskii, Moscow region, Russia

    A. A. Koptelov, Yu. M. Milekhin & Yu. N. Baranets

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  1. A. A. Koptelov
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  2. Yu. M. Milekhin
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  3. Yu. N. Baranets
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Correspondence to A. A. Koptelov.

Additional information

Original Russian Text © A.A. Koptelov, Yu.M. Milekhin, Yu.N. Baranets, 2012, published in Khimicheskaya Fizika, 2012, Vol. 31, No. 9, pp. 68–76.

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Koptelov, A.A., Milekhin, Y.M. & Baranets, Y.N. Simulation of thermal decomposition of a polymer at random scissions of C-C bonds. Russ. J. Phys. Chem. B 6, 626–633 (2012). https://doi.org/10.1134/S1990793112050168

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  • DOI: https://doi.org/10.1134/S1990793112050168

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