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para -Fluoro/thiol click chemistry-driven pentafluorostyrene-based block copolymer self-assembly: to mimic or not to mimic the solubility parameter?

Abstract : A block copolymer (BCP) consisting of polystyrene (PS) and polypentafluorostyrene (PPFS) blocks is synthesized by nitroxide mediated polymerization (NMP). Then nucleophilic substitution of the labile para-fluorine atom onto the PPFS platform is performed by an organo-catalyzed reaction at ambient temperature using the para-fluoro/thiol click reaction. It is observed that the effect of the substitute chemical nature induces a drastic tuning of the nano-structuration of the block copolymer. Indeed, the para-fluoro/thiol click reaction leads to PS-b-modified PPFS block copolymers with solubility parameter control and drives an order/disorder transition
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Submitted on : Thursday, September 1, 2022 - 3:31:54 PM
Last modification on : Tuesday, September 27, 2022 - 4:43:44 AM

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Prithwiraj Mandal, Pierre Marcasuzaa, Laurent Billon. para -Fluoro/thiol click chemistry-driven pentafluorostyrene-based block copolymer self-assembly: to mimic or not to mimic the solubility parameter?. Polymer Chemistry, Royal Society of Chemistry - RSC, 2022, 13 (33), pp.4757-4762. ⟨10.1039/d2py00784c⟩. ⟨hal-03767030⟩

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