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Статья
2020

Formation of chitosan—surfactant complexes in aqueous-alcohol media


S. V. ShilovaS. V. Shilova, A. Ya. Tret’yakovaA. Ya. Tret’yakova, V. P. BarabanovV. P. Barabanov
Российский химический вестник
https://doi.org/10.1007/s11172-020-2904-6
Abstract / Full Text

The complexation of chitosan and anionic surfactant, sodium dodecyl sulfate (DDS), in aqueous-alcohol media with a variable content of an organic cosolvent (methanol, ethanol, and propan-1-ol) was studied. A complicated effect of the composition of mixed solvents on the binding parameters of DDS by chitosan was observed. The introduction of 10–20 vol.% ethanol and propan-1-ol is accompanied by an increase in the degree of cooperative binding of DDS compared to that found in an aqueous solution, which leads to a decrease in the critical concentration of association and an increase in the cooperativity parameters.

Author information
  • Kazan National Research Technological University, 68 ul. Karla Marksa, 420015, Kazan, Russian FederationS. V. Shilova, A. Ya. Tret’yakova & V. P. Barabanov
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