Self-assembly of amphiphilic block copolymers under close-to-equilibrium conditions through controlled water dialysis.
Block copolymer (BC) self-assembly in aqueous solution often occurs under non-equilibrium conditions leading to the formation of kinetically frozen aggregates. Under such conditions the outcome of the self-assembly is highly dependent on processing parameters like the final water content or the water addition rate. In order to study the BC self-assembly in close-to-equilibrium conditions, we propose to use a dialysis approach where the water slowly diffuses into the BC solution prepared in an appropriate organic solvent. A set of amphiphilic BCs varying in composition, structure and properties is proposed as model systems to study their mechanism of self-assembly. Specifically, we aim at identifying the various morphology changes undergone by BC aggregates when the water content is increased in a slow and continuous manner.
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CHAPEL Jean Paul; BRULET Annie; COUSIN Fabrice; LE MEINS Jean Francois; PORCAR Lionel; PUCCI Carlotta and SCHATZ Christophe. (2018). Self-assembly of amphiphilic block copolymers under close-to-equilibrium conditions through controlled water dialysis.. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.9-11-1852
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