Abstract
Aqueous micelles of ionic surfactantsadopt an anisodiametric shape at high ionic strength /1–9/. An increase of surfactant concentration induces a micellar growth, leading to very elongated aggregates for most surfactants with a single linear alkyl chain /10–12/. Several studies have shown that these giant micelles are flexible and behave in many respects like polymers /7–9/ /11/ /12/. For instance, the scattered intensity and the cooperative diffusion coefficient measured by elastic and quasi-elastic light scattering respectively, obey power laws of the surfactant volume fraction with exponents close to those predicted for semi-dilute polymer solutions /11/ /12/. These results indicate that the micelles form a transient network with lifetime much longer than the time scale probed in light scattering experiments.
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Candau, S.J., Hirsch, E., Zana, R., Adam, M. (1987). Rheological Properties of Semi-Dilute Micellar Systems. In: Meunier, J., Langevin, D., Boccara, N. (eds) Physics of Amphiphilic Layers. Springer Proceedings in Physics, vol 21. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-83202-4_39
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DOI: https://doi.org/10.1007/978-3-642-83202-4_39
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