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Anionic Polymerization of Epoxy Resins under the Action of Imidazoles

  • Macromolecular Compounds and Polymeric Materials
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Abstract

The kinetics of anionic polymerization of epoxy resin ED-22 under the action of imidazole initiators of various structures was studied by differential scanning calorimetry. The conversion of epoxy resin was studied by infrared spectroscopy as function of the amount of initiator in the reaction mixture and the polymerization temperature. The concentration of the initiator in the reaction mixture (2–3 wt %) was found, and the regime of polymerization with a gradual increase in temperature was determined, at which heat-resistant polymers with the highest glass transition temperatures and stable physical and mechanical parameters in a wide temperature range are formed. The possibility of using epoxy-imidazole reaction mixtures for fabricating heat-resistant composites is shown.

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Funding

The work was carried out within the framework of the state order (registration no. 122011900165-2) using the equipment of the Center for Collective Use “Investigations of Materials and Substances” of the Perm Federal Research Center of the Ural Branch of the Russian Academy of Sciences.

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Authors and Affiliations

  1. Institute of Chemical Engineering, Perm Federal Research Center, Ural Branch, Russian Academy of Sciences, 614013, Perm, Russia

    M. S. Fedoseev, L. F. Derzhavinskaya, I. A. Borisova & T. E. Oshchepkova

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  1. M. S. Fedoseev
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  2. L. F. Derzhavinskaya
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  3. I. A. Borisova
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  4. T. E. Oshchepkova
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Correspondence to M. S. Fedoseev.

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The authors declare that there is no conflict of interest requiring disclosure in this article.

Additional information

Translated from Zhurnal Prikladnoi Khimii, No. 3, pp. 328–336, March, 2022 https://doi.org/10.31857/S0044461822030045

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Fedoseev, M.S., Derzhavinskaya, L.F., Borisova, I.A. et al. Anionic Polymerization of Epoxy Resins under the Action of Imidazoles. Russ J Appl Chem 95, 357–365 (2022). https://doi.org/10.1134/S1070427222030041

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  • DOI: https://doi.org/10.1134/S1070427222030041

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