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P. Je-remercie-les-membres-du-jury and . Fardim, Herman Höfte et Jürgen Puls, d'avoir accepté d'évaluer mes travaux et d'y avoir apporté leurs commentaires et leurs suggestions, Mes remerciements sont aussi adressés aux personnes du groupe « Physico-Chimie des

». Polymères, E. Budtova, and R. Peuvrel-disdier, Hainault pour leur soutien et leurs conseils ainsi qu'à toutes les personnes du laboratoire pour leur sympathie et leur disponibilité Je pense aussi à tous mes collègues thésards et en particulier à mes collègues de bureau avec par ordre d'apparition dans mes bureaux successifs : Melinda Desse, Emmanuelle Relot et Céline Roux puis Bruno Dratz, Monica Spinu et Romain Sescousse