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- W872011266 abstract "The aim of this PhD work is to expand the scope of engineered imidazolium-based poly(ionicliquid)s (PILs) and their related PIL-block copolymers (PIL BCPs).The use of the imidazolium-based PILs as true reactive polymers for organocatalysis and post-chemicalmodification is first described. Miscellaneous air-stable PIL derivatives featuring various counter-anions(e.g. bromides, hydrogen carbonates, carboxylates), including homopolymers, statistical copolymers ofstyrenic-type and crosslinked copolymer networks have been specifically designed by relatively simplesynthetic strategies. The generation of related polymer-supported N-heterocyclic carbenes, poly(NHC)s,enables comparing the catalytic performances in selected organocatalyzed reactions. Specific polystyrenebasedcoPILs can be also stoichiometrically derivatized by post-chemical modification using variouselectrophilic substrates (e.g. CS2, isothiocyanate, transition metals).A novel family of imidazolium-based PIL BCPs, namely poly(vinyl acetate)-b-poly(N-vinyl-3-alkylimidazolium bromide)s synthesized by CMRP, is then described. The ability of these compounds toself-assemble into various types of mesostructures in bulk or in solution has been demonstrated. Ionicconductivity measurements evidenced the influence of sample preparation and measurement conditions.The behavior in solution evidenced via the ionic responsiveness of the PIL block but also by post-chemicalmodification of the hydrophobic poly(vinyl acetate) block into hydrophilic poly(vinyl alcohol) theformation of various micelle-like nanostructures.Keywords: Poly(ionic liquid)s, Block copolymers, Imidazolium, Organocatalysis, Post-polymerizationmodification, Self-assembly, Ionic conductivity, Gold nanoparticles" @default.
- W872011266 created "2016-06-24" @default.
- W872011266 creator A5082636948 @default.
- W872011266 date "2014-11-20" @default.
- W872011266 modified "2023-09-23" @default.
- W872011266 title "Reactive Poly(ionic liquid)s (PILs) and Nanostructures from PIL-based Block Copolymers" @default.
- W872011266 hasPublicationYear "2014" @default.
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