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Published on: May 1, 2016
Chemiluminescence Induced Cationic Photopolymerization Using Sulfonium Salt
Chen Wang1, Xiaoyan Meng1, Zhiquan Li1,2
1Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, 214122, Wuxi, Jiangsu, China.
Abstract:
A visible light cationic photoinitiating system under chemiluminescence irradiation using sulfonium salt is reported. The visible light emitted from the chemiluminescence reactions, absorbed by the sulfonium salt, essentially leads to the formation of protonic acids capable of initiating cationic polymerization of oxirane and vinyl monomers. The process is suitable for the formation of linear polymer chains as well as cross-linked functional networks with aggregation-induced emission property. Notably, high "post polymerization" efficiency in dark (∼20%) was observed, which can compensate the limited chemiluminescence fluorescence efficiency and favors to increase the conversion.
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