A new visible light bimolecular photoinitiator system for free radical polymerization

作者:Chen, Yu; Li, Guanglei; Han, Junru; Wang, Tao*
来源:Journal of Photochemistry and Photobiology A: Chemistry , 2011, 222(2-3): 330-335.
DOI:10.1016/j.jphotochem.2011.07.005

摘要

A new bimolecular photoinitiator system consisting of a ferrocenium salt (Fc) and N-methyl-2-pyrrolidone (NMP) is developed for free radical photopolymerization under visible light irradiation, which was delivered by a halogen lamp. Photopolymerization profiles of tripropylene glycol diacrylate (TPGDA) show that high conversion can be easily achieved. The processes associated with the Fc/NMP system are investigated by photochemical and electrochemical experiments. The results show that the photoinitiation mechanism of this bimolecular system could occur through charge transfers between Fc and NMP.

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