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Received December 8, 2005
Accepted April 25, 2006
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Diffusion-controlled adsorption kinetics of aqueous submicellar and micellar solution at air/solution interface in the limit of short time
Dept. of Chemistry, School of Science, Tianjin University, Tianjin 300072, China
liujunji@tju.edu.cn
Korean Journal of Chemical Engineering, September 2006, 23(5), 699-703(5), 10.1007/BF02705914
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Abstract
The equilibrium surface tensions γeq of aqueous Pentaethylenglycol-monododecylether (C12E5) solutions at temperature 25 ℃ were measured by means of Wilhelmy plate method and the determined critical micelle concentration (cmc) is 6.8×10.2 mol·m.3. To study adsorption kinetics of aqueous submicellar and micellar solutions, the dynamic surface tensions γ(t) were measured by means of maximal bubble pressure method. Using the derived equations of adsorption kinetics for submicellar and micellar solutions, the experimental data were analyzed and the adsorption kinetics was studied. For micellar solution (c0>cmc) of C12E5, the demicellization constant k was calculated.
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References
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Eastoe J, Dalton JS, Rogueda PGA, Griffiths PC, Langmuir, 14(5), 979 (1998)
Fainerman VB, Miller R, J. Colloid Interface Sci., 178(1), 168 (1996)
Fang JP, Wantke KD, Lunkenheimer K, J. Phys. Chem., 99(13), 4632 (1995)
Filippov LK, Filippova NL, J. Colloid Interface Sci., 187(2), 304 (1997)
Geeraerts G, Joos P, Colloids Surf. A: Physicochem. Eng. Asp., 90, 149 (1994)
Iliev TH, Dushkin CD, Colloid Polym. Sci., 270, 370 (1992)
Joos P, Van Hunsel J, Colloids and Surfaces, 33, 99 (1988)
Kim JH, Wu SH, Pendleton P, Korean J. Chem. Eng., 705, 22 (2005)
Liggieri L, Ravera F, Passerone A, Colloids Surf. A: Physicochem. Eng. Asp., 114, 351 (1996)
Lin SY, Tsay RY, Lin LW, Chen SI, Langmuir, 12(26), 6530 (1996)
Liu JJ, Messow U, Colloid Polym. Sci., 278, 124 (2000)
Lucassen J, Faraday Discuss. Chem. Soc., 59, 76 (1975)
Makievski AV, Fainerman VB, Joos P, J. Colloid Interface Sci., 166(1), 6 (1994)
Miller R, Colloid Polym. Sci., 259, 1124 (1981)
Rillaerts E, Joos P, J. Phys. Chem., 86, 3471 (1982)
Ward AFH, Tordai L, J. Chem. Phys., 14, 453 (1946)
