Hydration and dielectric properties of aqueous solutions of protonated diallylmethylammonium polymer: transition from monomer to polymer |
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| Authors: | Larisa Timofeeva Andrey Lyashchenko Irina Balakaeva Alexandr Lileev Yulia Simonova |
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| Affiliation: | 1. A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Moscow, Russia timofeeva@ips.ac.ru!["ORCID]("//:0" "\"ORCID") https://orcid.org/0000-0002-5437-7933;3. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Moscow, Russia;4. A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Moscow, Russia |
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| Abstract: | Abstract The high-frequency dielectric relaxation of aqueous solutions of protonated diallylammonium polyelectrolyte, namely poly(diallylmethylammonium trifluoroacetate) has been studied at the maximum water dispersion frequencies, 7.5–25?GHz, and temperatures of 288, 298, and 308?K. Dielectric relaxation parameters have been calculated and compared with similar characteristics of aqueous solutions of monomer, diallylmethylammonium trifluoroacetate, and pyrrolidinium trifluoroacetate salt simulated structure of pyrrolidinium polymer link. It has been concluded that although the monomer features hydrophobic hydration, its polymer exhibits hydrophilic hydration properties. This change is related to conformation of hydrophilic-hydrophobic polycations in aqueous solutions and the change in the structure of polymer links. |
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| Keywords: | Protonated polydiallylamine protonated diallylamines polyelectrolyte solution dielectric properties hydration structure-property relationship |
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!["ORCID]({"type":"image","src":"/templates/jsp/images/orcid.png"} "\"ORCID")
https://orcid.org/0000-0002-5437-7933;3. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Moscow, Russia;4. A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Moscow, Russia