Alcohols Effect on Critic Micelle Concentration of Polysorbate 20 and Cetyl Trimethyl Ammonium Bromine Mixed Solutions

In this research, the micellar behavior of a cationic surfactant, cetyl trimethyl ammonium bromide (CTAB) and an nonionic surfactant, polysorbate 20 (Polyoxyethylene (20) sorbitan monolaurate) in different alcohol solutions media was investigated over the temperature range 293.15–313.15 K. The inter...

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Bibliographic Details
Published in:Journal of surfactants and detergents 2013-07, Vol.16 (4), p.601-607
Main Authors: Sidim, Taliha, Acar, Gökhan
Format: Article
Language:English
Subjects:
Alcohol
Aquatic Pollution
Chemical engineering
Chemistry
Chemistry and Materials Science
Conductivity
Critical micelle concentration
Industrial Chemistry/Chemical Engineering
Nonionic surfactants
Original
Original Article
Physical Chemistry
Polymer Sciences
Surface tension
Surfaces and Interfaces
Surfactants
Thin Films
Waste Water Technology
Water Management
Water Pollution Control
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Summary:In this research, the micellar behavior of a cationic surfactant, cetyl trimethyl ammonium bromide (CTAB) and an nonionic surfactant, polysorbate 20 (Polyoxyethylene (20) sorbitan monolaurate) in different alcohol solutions media was investigated over the temperature range 293.15–313.15 K. The interaction between two surfactants in binary systems can be determined by calculating the values of their β parameters. The critical micelle concentrations (CMC) of the micelles were determined from the surface tension, the conductivity at different temperatures. The CMC behavior of CTAB and polysorbate 20 was analyzed in terms of the effect of temperature and the increase in the alcohol carbon chain. Changes in the critical micelle concentration of mixed surfactant systems of different alcohol solutions were measured. The CMC decreased sharply as the hydrocarbon chain length of the alcohols becomes larger. This shows that the more hydrophobic alcohols are, the more marked a decrease in CMC is observed.
ISSN:1097-3958
1558-9293
DOI:10.1007/s11743-012-1429-x