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Article Dans Une Revue Catalysts Année : 2019

New 1,8-Naphthalimide Derivatives as Photoinitiators for Free-Radical Polymerization Upon Visible Light

Résumé

Photopolymerization processes, and especially those carried out under visible light, are more and more widespread for their multiple advantages compared to thermal processes. In the present paper, new 1,8-naphthalimide derivatives are proposed as photoinitiators for free-radical polymerization upon visible light exposure using light-emitting diodes (LEDs) at 395, 405, and 470 nm. These photoinitiators are used in combination with both iodonium salts and phosphine. The synthesis of these compounds as well as their excellent polymerization initiation ability for methacrylate monomers are presented in this article. A full picture of the involved chemical mechanisms is also provided thanks to photolysis, radical characterization, and redox measurements.
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hal-02383071 , version 1 (08-07-2020)

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Aude-Heloise Bonardi, Soraya Zahouily, Céline Dietlin, Bernadette Graff, Fabrice Morlet-Savary, et al.. New 1,8-Naphthalimide Derivatives as Photoinitiators for Free-Radical Polymerization Upon Visible Light. Catalysts, 2019, 9 (8), pp.637. ⟨10.3390/catal9080637⟩. ⟨hal-02383071⟩
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