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Polymerization of 2-(Perfluorohexyl)ethyl Methacrylate in the Presence of 2-Cyano-2-propyl Dithiobenzoate in Supercritical CO2


The radical polymerization of 2-(perfluorohexyl)ethyl methacrylate (FHEMA) initiated by azobis(isobutyronitrile) in the presence of a commercially available chain transfer agent, 2-cyano-2-propyl dithiobenzoate, carried out in trifluorotoluene (TFT) or in supercritical carbon dioxide (scCO2) was studied for the first time. The conditions were found under which the FHEMA polymerization in TFT or in scCO2 proceeds under homogeneous conditions with reversible chain transfer via the addition–fragmentation mechanism.

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The study was supported by the Russian Science Foundation (project no. 17-13-01359-P). Characterization of the obtained compounds was supported by the Ministry of Science and Higher Education of the Russian Federation and performed using scientific equipment of the Center for Investigation of Molecular Structure of the Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences.

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Correspondence to A. I. Barabanova.

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Translated by Z. Svitanko

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Chekurov, K.E., Barabanova, A.I., Blagodatskikh, I.V. et al. Polymerization of 2-(Perfluorohexyl)ethyl Methacrylate in the Presence of 2-Cyano-2-propyl Dithiobenzoate in Supercritical CO2. Dokl Chem 503, 57–62 (2022).

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  • 2-(perfluorohexyl)ethyl methacrylate
  • RAFT polymerization
  • scCO2