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Adsorption and Desorption of Triton X-100 in Polystyrene Particles with Different Functionality: II. Desorption Study

✍ Scribed by M.S. Romero-Cano; A. Martı́n-Rodrı́guez; F.J. de las Nieves

Publisher
Elsevier Science
Year
2000
Tongue
English
Weight
87 KB
Volume
227
Category
Article
ISSN
0021-9797

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✦ Synopsis

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-removalredispersion); 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 latexsurfactant complex has been analyzed.

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