AUDRAN, Gérard; BAGRYANSKAYA, Elena G.; BIKANGA, Raphaël; COOTE, Michelle L.; GUSELNIKOVA, Olga; HAMMILL, Chelsey L.; MARQUE, Sylvain R. A.; MELLET, Philippe; POSTNIKOV, Pavel S.

doi:10.1016/j.progpolymsci.2023.101726

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AUDRAN, Gérard

BAGRYANSKAYA, Elena G.

BIKANGA, Raphaël

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Progress in Polymer Science. 2023-07-01p. 101726

Résumé en anglais

The materials of future depend a lot on properties that are due to “non stable” molecules. Hence, Dynamic Covalent Bonds (DCB) are covalent bonds that are labile under specific stimuli and are integral to the design of next generation materials. Alkoxyamines R1R2NO—R3 exhibit a unique C—O DCB that is nonsymmetric between the adjacent O- and C-atoms. This bond can be cleaved homolytically, heterolytically and mesolytically in response to a wide variety of physical, chemical and biological stimuli, and the kinetics and thermodynamics of cleavage can be tuned on-demand by varying the structure of R1, R2 and R3. Alkoxyamines are easily incorporated into polymers via nitroxide mediated polymerisation (NMP) however, their dynamic covalent properties are yet to be fully exploited in materials sciences. This is in part because reports on C—ON activation are scattered through the broader synthetic, physical and biological chemistry literature, and a comprehensive review of them has been lacking. Herein, 20 leading C—ON activation processes using UV-light, surface plasmon resonance, magnetothermy, electrochemistry, chemical oxidation, protonation, non-covalent bonding, sonication, enzymatic activation among others, are presented and discussed, along with primary examples of their application.< Réduire

URI

https://oskar-bordeaux.fr/handle/20.500.12278/184797

DOI

http://dx.doi.org/10.1016/j.progpolymsci.2023.101726

Project ANR

Nouveaux amorceurs pour la polymérisation radicalaire - ANR-14-CE06-0023
Alkoxyamines comme substituts aux amorceurs de types pe´roxydiques ou azoi¨ques utilise´s en polyme´risation radicalaire - ANR-20-CE06-0006
Utilisation d'alkoxyamines intélligents comme inhibiteurs radicalaires pour controller la polymérisation - ANR-21-CE06-0044
Nanoparticules conjuguées à des alkoxyamines activées par des stimuli externes comme agents antibactériens pour les plantes - ANR-22-CE09-0026

Unités de recherche

Centre de Résonance Magnétique des Systèmes Biologiques (CRMSB) - UMR 5536