Synthesis of nitroxide-containing block copolymers for the formation of organic cathodes

Hauffman, Guillaume;Rolland, Julien;Bourgeois, Jean-Pierre;Vlad, Alexandru;Gohy, Jean-François
(2013) Journal of Polymer Science. Part A, Polymer Chemistry — Vol. 51, n° 1, p. 101-108 (2013)

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Abstract
This contribution describes the polymerization of 2,2,6,6-tetramethylpiperidin-4-yl methacrylate by atom transfer radical polymerization (ATRP). Different catalytic systems are compared. The CuCl/4,40 -dinonyl-2,20 -dipyridyl catalytic system allows a good control over the polymerization and provides polymers with a polydispersity index below 1.2. The successful polymerization of styrene from PTMPM-Cl macroinitiators by ATRP is then demonstrated. Successful quantitative oxidation of PTMPM-b-PS block copolymers leads to poly(2,2,6,6-tetramethyl- piperidinyloxy-4-yl-methacrylate)-b-poly(styrene) (PTMA-b-PS). The cyclic voltammogram of PTMA-b-PS indicates a reversible redox reaction at 3.6 V (vs. Liþ/Li). Such block copolymers open new opportunities for the formation of functional organic cathode materials.
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Hauffman, G., Rolland, J., Bourgeois, J.-P., Vlad, A., & Gohy, J.-F. (2013). Synthesis of nitroxide-containing block copolymers for the formation of organic cathodes. Journal of Polymer Science. Part A, Polymer Chemistry, 51(1), 101-108. https://doi.org/10.1002/pola.26279 (Original work published 2013)