Adsorption and Desorption of Triton X-100 in Polystyrene Particles with Different Functionality

Romero-Cano¹, Martín-Rodríguez, de las Nieves FJ

¹Complex Fluids Physics Group, Department of Applied Physics, Faculty of Experimental Sciences, University of Almería, Almería, 04120, Spain

Journal of Colloid and Interface Science

|June 30, 2000

Abstract:

An experimental desorption study of Triton X-100 from latices with different functionality is presented. Two different strategies to follow the desorption experiment have been used: first, a discontinuous method based on the wash step (centrifugation-removal-redispersion); and second, a continuous method based on the replacement of the disperse media. The desorption results show that in all cases a residual amount of Triton X-100 remains adsorbed, indicating irreversibility of the surfactant adsorption. Finally, the effect of desorption on the colloidal stability of one type of latex-surfactant complex has been analyzed. Copyright 2000 Academic Press.

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Abstract:

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