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- Title
Systems based on the hydrophobically modified poly(ethylene imines) and surfactants: Aggregation and catalysis.
- Authors
Lukashenko, S. S.; Yurina, A. V.; Pashirova, T. N.; Kudryavtsev, D. B.; Kosacheva, E. M.; Kudryavtseva, L. A.; Konovalov, A. I.
- 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.
- Subjects
HYDROPHOBIC surfaces; POLYETHYLENE; IMINES; SURFACE active agents; CLUSTERING of particles; CATALYSIS; HYDROLYSIS; POLYMERS; COLLOIDS
- Publication
Colloid Journal, 2008, Vol 70, Issue 3, p317
- ISSN
1061-933X
- Publication type
Academic Journal
- DOI
10.1134/S1061933X08030095