Copper complexes: the effect of ligands on their photoinitiation efficiencies in radical polymerization reactions under visible light

文献情報

出版日 2014-07-23

DOI 10.1039/C4PY00925H

インパクトファクター 5.582

著者

Pu Xiao, Frédéric Dumur, Jing Zhang, Didier Gigmes, Jean Pierre Fouassier, Jacques Lalevée

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要旨

Twenty-three copper complexes (CuC) containing different ligands were synthesized. Most of them exhibited light absorption in the visible range (adapted to LEDs, laser diodes and halogen lamp exposure). The CuC/iodonium salt (Iod), CuC/Iod/N-vinylcarbazole, CuC/alkyl bromide/methyl diethanolamine photoinitiating systems (PISs) allow good monomer conversion profiles for the free radical polymerization of trimethylolpropane triacrylate. Some of them are better than bisacylphosphine oxide or camphorquinone based systems used as references. Real-Time Fourier Transform Infrared spectroscopy and steady state photolysis were used as analytical methods. The results revealed that the ligands of the copper complexes played an important role towards the photoinitiation ability of these PISs. The use of CuC as photocatalysts to initiate thiol–ene reaction is also discussed.

掲載誌

Polymer Chemistry

CiteScore: 8.6

自己引用率: 7.3%

年間論文数: 457

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Copper complexes: the effect of ligands on their photoinitiation efficiencies in radical polymerization reactions under visible light

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