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Synthèse et formulation d'encres électrophorétiques pour le papier électronique

Abstract : In this work, the synthesis and the electrophoretic behavior of hybrid particlesdispersed in apolar media, in the presence of a new charge control agent, the tridodecylamine,have been investigated for electronic paper applications. In order to control and to understandinteractions present in the system, the tridodecyamine was studied in the apolar medium. It hasbeen observed that this surfactant, solubilized in a non-polar medium, has a critical micelleconcentration of approximately 250mM and creates charges in the medium. Then, the synthesisby polymerisation in dispersion or by using a sol-gel process gave rise to the creation ofinorganic, polymeric or raspberry type hybrid particles, stable in non-polar media. Theirelectrophoretic behavior in the presence of tridodecylamine was elucidated. Acid-baseinteractions between hydroxyl groups from inorganic material surfaces and surfactant led to thecreation of negatively charged hybrid particles. These particles were integrated into anelectrophoretic ink and tested into an innovative electrophoretic device where theelectrophoresis is monitored via a ferroelectric polymer.
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Déborah Mirbel. Synthèse et formulation d'encres électrophorétiques pour le papier électronique. Polymères. Université de Bordeaux, 2015. Français. ⟨NNT : 2015BORD0375⟩. ⟨tel-01675105⟩

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