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Effects of synthesis conditions and the mechanism of homopolymerization of acrylonitrile on the thermal behavior of the resulting polymer |
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| Authors: | E. V. Chernikova Z. A. Poteryaeva A. V. Shlyakhtin N. I. Prokopov A. Yu. Gerval’d A. Yu. Nikolaev V. R. Duflot E. A. Dubova Yu. V. Kostina A. S. Rodionov M. N. Efimov A. S. Cherevan’ G. N. Bondarenko |
| Affiliation: | 1. Faculty of Chemistry, Moscow State University, Moscow, 119991, Russia 2. Moscow University of Fine Chemical Technology, pr. Vernadskogo 86, Moscow, 119571, Russia 3. Karpov Institute of Physical Chemistry (Obninsk Branch), Obninsk, Kaluga oblast, 249033, Russia 4. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Leninskii pr. 29, Moscow, 119991, Russia |
| Abstract: | The effect of the conditions of polyacrylonitrile synthesis (nature of the solvent, homogeneity of the reaction medium, and type of initiation) on the conditions of formation of the polyconjugation system during the pyrolysis of polyacrylonitrile is studied. The controlled synthesis of polyacrylonitrile via radiation polymerization mediated by dibenzyl trithiocarbonate as a reversible addition-fragmentation chain-transfer agent at 25 and 80°C is performed for the first time. It is shown that the type of initiation in reversible addition-fragmentation chain-transfer polymerization (material initiation or radiolysis) strongly affects the structure of the formed polyconjugation system. |
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