Interpolyelectrolyte complexation as a tool for controlling the mechanical, sorption, and diffusion properties of film materials

Interpolyelectrolyte complexation as a tool for controlling the mechanical, sorption, and... The mechanical, sorption, and diffusion properties of films based on interpolyelectrolyte complexes of sodium poly-4,4′-(2,2′-disulfonato)diphenyleneisophthalamide and polymers containing weakly basic amino groups [polyethylenimine, poly-N-(2-aminoethylacrylamide), and poly(2-vinyl-2-imidazoline)] were studied. The influence exerted on the properties of these materials by the electrostatic interaction of the polyelectrolytes, degree of their conversion in the occurring interpolymer reactions, and composition of the interpolyelectrolyte complexes formed was demonstrated. The interpolyelectrolyte complexes have good deformation and strength properties and high ability to selectively take up water relative from its mixtures with ethanol. Specific features of the self-diffusion of water-ethanol mixtures of different composition in the interpolyelectrolyte complex samples were considered. The possibility and conditions of preparing high-performance membranes for hydrophilic pervaporation from these complexes were found. The separation factors for water-ethanol mixtures, estimated from the NMR data, reached approximately 103.improving the processability of the polymeric compound. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Applied Chemistry Springer Journals

Interpolyelectrolyte complexation as a tool for controlling the mechanical, sorption, and diffusion properties of film materials

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Publisher
Springer Journals
Copyright
Copyright © 2015 by Pleiades Publishing, Ltd.
Subject
Chemistry; Chemistry/Food Science, general; Industrial Chemistry/Chemical Engineering
ISSN
1070-4272
eISSN
1608-3296
D.O.I.
10.1134/S1070427215030180
Publisher site
See Article on Publisher Site

Abstract

The mechanical, sorption, and diffusion properties of films based on interpolyelectrolyte complexes of sodium poly-4,4′-(2,2′-disulfonato)diphenyleneisophthalamide and polymers containing weakly basic amino groups [polyethylenimine, poly-N-(2-aminoethylacrylamide), and poly(2-vinyl-2-imidazoline)] were studied. The influence exerted on the properties of these materials by the electrostatic interaction of the polyelectrolytes, degree of their conversion in the occurring interpolymer reactions, and composition of the interpolyelectrolyte complexes formed was demonstrated. The interpolyelectrolyte complexes have good deformation and strength properties and high ability to selectively take up water relative from its mixtures with ethanol. Specific features of the self-diffusion of water-ethanol mixtures of different composition in the interpolyelectrolyte complex samples were considered. The possibility and conditions of preparing high-performance membranes for hydrophilic pervaporation from these complexes were found. The separation factors for water-ethanol mixtures, estimated from the NMR data, reached approximately 103.improving the processability of the polymeric compound.

Journal

Russian Journal of Applied ChemistrySpringer Journals

Published: Jun 25, 2015

References

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