Effect of n-Butanol on the Micellization of DBS/Brij 35 Mixed Surfactant Systems

Journal of the Korean Chemical Society

Byung-Hwan Lee¹  In-Jung Park¹ 

关键词: DBS;    Brij 35;    Critical Micelle Concentration;    Counter Ion Binding Constant;    Non Ideal Mixed Micellar Model;   

DOI  :  

学科分类：化学（综合）

来源: Korean Chemical Society

【 摘 要 】

The critical micelle concentration (CMC) and the counterion binding constant (B) in a mixed micellar state of the sodium dodecylbenzenesulfonate (DBS) with the polyoxyethylene(23) lauryl ether (Brij 35) at 25 oC in water and aqueous solutions of n-butanol (0.1 M, 0.2M, and 0.3 M) were determined as a function of a1 (the overall mole fraction of DBS) by the use of electric conductivity method and surface tensiometer method. Various thermodynamic parameters (Xi, ¥ãi, Ci, aiM, ¥â, and ¥ÄHmix) were calculated by means of the equations derived from the nonideal mixed micellar model. The effect of n-butanol on the micellization of the DBS/Brij 35 mixtures has been also studied by analyzing the measured and calculated thermodynamic parameters.

【 授权许可】

Unknown