| Autor: |
Fetin, P. A., Fetina, V. I., Kadnikov, M. V., Lezov, A. A., Zorin, I. M. |
| Zdroj: |
Polymer Science -- Series C; Dec2022, Vol. 64 Issue 2, p144-153, 10p |
| Abstrakt: |
Homo- and copolymers of poly-11-acryloyloxyundecyltrimethylammonium bromide and poly-11-acryloyloxyundecylquinolinium bromide have been prepared. Molecular parameters and solubilization properties of these polyelectrolytes have been determined. Their catalytic activity in the model reaction of alkaline hydrolysis of p-nitrophenyl butyrate has been investigated. The introduction of the units containing a quinoline moiety has led to consistent growth of the solubilization capacity of the copolymer with respect to a hydrophobic dye, Orange OT. The obtained comb-like polyelectrolytes have been found prone to solubilization over the entire concentration range; they have not possessed critical micelle concentration typical for low-molecular-weight surfactants. Acceleration of the alkaline hydrolysis of the model ester by 2–3 times has been observed in the presence of even low concentration of the comb-like polyelectrolytes. The synthesized polymeric surfactants have not crystallized with the cooling of the solution, in contrast to their monomers and other cationic low-molecular-weight surfactants. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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