Abstract
The aggregation in aqueous systems of hydrophobically modified poly(ethylene imines) and their mixtures with cationic surfactants, as well as the catalytic activity of these compositions in the hydrolysis of O-4-nitrophenyl-O-ethylchloromethylphosphonate, are studied by conductometry, tensiometry, light-scattering, and viscometry methods. Critical association concentration, hydrodynamic radii of polymer and polymer-colloid aggregates formed in such systems, as well as kinetic parameters of hydrolysis are determined.
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Original Russian Text © S.S. Lukashenko, A.V. Yurina, T.N. Pashirova, D.B. Kudryavtsev, E.M. Kosacheva, L.A. Kudryavtseva, A.I. Konovalov, 2008, published in Kolloidnyi Zhurnal, 2008, Vol. 70, No. 3, pp. 351–361.
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Lukashenko, S.S., Yurina, A.V., Pashirova, T.N. et al. Systems based on the hydrophobically modified poly(ethylene imines) and surfactants: Aggregation and catalysis. Colloid J 70, 317–326 (2008). https://doi.org/10.1134/S1061933X08030095
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DOI: https://doi.org/10.1134/S1061933X08030095