화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.3, No.1, 29-36, March, 1997
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Investigation of Solubilization Behavior for m-Chlorophenol by Polymeric and Copolymeric Surfactants in the Aqueous Phase
Gyoujin Cho, and Daniel T. Glatzhofer1
  • Department of Chemical Engineering, Sunchon National University, Sunchon, Chunnam 640-742, Korea
  • 1Department of Chemistry and Biochemistry, and the Institute for Applied Surfactant Research, The University of Oklahoma, Norman Oklahoma 73019 USA
Anionic polymeric and copolymeric surfactants were prepared respectively from 10- undecen-1-ylsulfate micelle and 10-undecenol as a polymerizable additive. The resulting polymeric and copolymeric surfactants were characterized using ¹H-NMR and a surface tensiometer. It has been confirmed that the copolymeric surfactant has 3 sulfate to 1 alcohol group repeat unit and that both polymeric and copolymeric surfactants can form micelles without critical micellar concentration (CMC). The solubilization of m-chlorophenol in aqueous solutions of the anionic polymeric and copolymeric surfactants at 25℃ has been studied using semiequilibrium dialysis. Complete solubilization isotherms have been determined for m-chlorophenol in the polymeric and copolymeric micelles below the CMC of 10-undecen-1-yl sulfate. The solubilization equilibrium (or partition) constant for the copolymeric micelle was slightly higher than that of the polymeric micelle. As usual, the solubilization equilibrium constant decreased with increasing mole fraction of m-chlorophenol in the micelles. Those results have been discussed based on a surface binding view point.
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