Interpolyelectrolyte complexes as smart binders with controllable stability in water-salt solutions

Dmitry V. Pergushov; Vladimir A. Izumrudov; Alexander B. Zezin; Victor A. Kabanov

doi:10.1117/12.237146

26 April 1996 Interpolyelectrolyte complexes as smart binders with controllable stability in water-salt solutions

Dmitry V. Pergushov, Vladimir A. Izumrudov, Alexander B. Zezin, Victor A. Kabanov

Proceedings Volume 2779, 3rd International Conference on Intelligent Materials and 3rd European Conference on Smart Structures and Materials; (1996) https://doi.org/10.1117/12.237146
Event: 3rd International Conference on Intelligent Materials, 1996, Lyon, France

Abstract

The stability of non-stoichiometric interpolyelectrolyte complexes (IPECs), which contain relatively long poly(methacrylate anion)s and relatively short poly(N-ethyl-4-vinylpyridinium cation)s, with respect to their dissociation into constituent polyelectrolytes in water-salt media was studied by fluorescence quenching and velocity sedimentation techniques. The dissociation of IPECs was found to begin at a certain critical salt concentration and to proceed by a gradual release of polycations from IPECs. The effects of polyion chain length and polyion charge density on the stability of IPECs were examined.

Citation Download Citation

Dmitry V. Pergushov, Vladimir A. Izumrudov, Alexander B. Zezin, and Victor A. Kabanov "Interpolyelectrolyte complexes as smart binders with controllable stability in water-salt solutions", Proc. SPIE 2779, 3rd International Conference on Intelligent Materials and 3rd European Conference on Smart Structures and Materials, (26 April 1996); https://doi.org/10.1117/12.237146

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