Mixed Micellizations of TTAB with Other Surfactants (DTAB, CTAB, Tween-20, Tween-40, and Tween-80) 


Vol. 56,  No. 5, pp. 556-562, Oct.  2012
10.5012/jkcs.2012.56.5.556


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  Abstract

The critical micelle concentration (CMC) and the counter-ion binding constant (B) for the mixed micellizations of TTAB (tetradecyltrimethylammonium bromide) with other surfactants (DTAB, CTAB, Tween-20, Tween-40, and Tween- 80) in aqueous solution of 4-chlorobenzoic acid (0.5 mM) at 25 oC were determined as a function of α1 (the overall mole fraction of TTAB) by using the spectrophotometric method and the conductivity method. Various thermodynamic parameters (Xi, γi, Ci, ai M, β, and ΔHmix) were calculated for each mixed surfactant system and compared with the other mixed surfactant systems by means of the equations derived from the nonideal mixed micellar model. The results show that TTAB/DTAB mixed system has a great positive deviation from the ideal mixed micellar model and the other mixed systems have great negative deviations from the ideal mixed model.

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  Cite this article

[IEEE Style]

N. M. Lee and B. H. Lee, "Mixed Micellizations of TTAB with Other Surfactants (DTAB, CTAB, Tween-20, Tween-40, and Tween-80)," Journal of the Korean Chemical Society, vol. 56, no. 5, pp. 556-562, 2012. DOI: 10.5012/jkcs.2012.56.5.556.

[ACM Style]

Nam Min Lee and Byung Hwan Lee. 2012. Mixed Micellizations of TTAB with Other Surfactants (DTAB, CTAB, Tween-20, Tween-40, and Tween-80). Journal of the Korean Chemical Society, 56, 5, (2012), 556-562. DOI: 10.5012/jkcs.2012.56.5.556.

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ISSN(Print) 1017-2548
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