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- Title
Micellar and liquid-crystalline properties of bicyclic fragment-containing cationic surfactant.
- Authors
Gaisin, N.; Gnezdilov, O.; Pashirova, T.; Zhil'tsova, E.; Lukashenko, S.; Zakharova, L.; Osipova, V.; Dzhabarov, V.; Galyametdinov, Yu.
- Abstract
NMR spectroscopy is employed to study the aggregation of a cationic surfactant, 4-aza-1-cetyl-1-azoniabicyclo[2.2.2]octane bromide, in aqueous solutions. Self-diffusion coefficients are determined for micelles and monomers and the hydrodynamic radius and aggregation number are calculated for micelles. Polarization microscopy data demonstrate that the examined compound is an amphotropic substance. It is found that the lyotropic liquid-crystalline system is characterized by a wider temperature range of mesophase existence as compared to the thermotropic system.
- Subjects
LIQUID crystals; MICELLES; SURFACE active agents; CATIONS; SOLUTION (Chemistry); BICYCLIC compounds; HYDRODYNAMICS; POLARIZATION microscopy; TEMPERATURE effect
- Publication
Colloid Journal, 2010, Vol 72, Issue 6, p764
- ISSN
1061-933X
- Publication type
Academic Journal
- DOI
10.1134/S1061933X10060062