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Ternary microemulsion systems of H2O/Triton X-100/[BMIM][Tf2N], and H2O/Triton X-100/[BMIM][PF6] were prepared, compared and characterized for phase behavior for different water/surfactant ratios, at 25 °C. It was found that a change of an anion structure in the ionic liquids determines the total monophasic area of the systems. A liquid crystalline mesophase was detected in H2O/Triton X-100/[BMIM][PF6]. The microemulsion domains were identified by means of conductivity, viscosity and dynamic light scattering measurements. An increase in water mass fraction resulted in an increase of electrical conductivity of both systems, however not as rapid as in typical microemulsion systems. The conductivity data were analyzed in terms of percolation theory, and itwas revealed, that the theory may be adopted only partially. The variations of the dynamic viscosity of surfactant/ IL mixtures, as a function of watermass fraction along the experimental dilution lines, differ significantly from typical solvent based microemulsions. The size of water/IL microemulsion droplets, measured by dynamic light scattering, is nearly independent on the content of water.
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Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuł w czasopiśmie wyróżnionym w JCR
- Opublikowano w:
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JOURNAL OF MOLECULAR LIQUIDS
nr 199,
strony 552 - 558,
ISSN: 0167-7322 - Język:
- angielski
- Rok wydania:
- 2014
- Opis bibliograficzny:
- Łuczak J., Hupka J.: Studies on formation and percolation in ionic liquids/TX-100/water microemulsions// JOURNAL OF MOLECULAR LIQUIDS. -Vol. 199, (2014), s.552-558
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.molliq.2014.08.028
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 137 razy