Journal
RESEARCH ON CHEMICAL INTERMEDIATES
Volume 43, Issue 11, Pages 6617-6625Publisher
SPRINGER
DOI: 10.1007/s11164-017-3009-1
Keywords
UV-curing; Cationic photoinitiators; Synthesis; Triarylsulfonium salt
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Funding
- Shanxi International Science and Technology Cooperation Program [201603D421039]
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Using diaryliodonium salts as the arylating reagent and copper as a catalyst, a series of triarylsulfonium salts bearing benzoyl or benzoheterocyclic moieties were synthesized and characterized by H-1 NMR, C-13 NMR and high-resolution mass spectrometry. The photoinitiating behavior of the triarylsulfonium salts on photopolymerization of epoxy acrylate resin (UV6104) with hexane-1,6-diyldiacrylate (HDDA) as an activated monomer was investigated. The results showed that these triarylsulfonium salts could be utilized as cationic photoinitiators in the UV-curing process. A polymerization photoinitiation mechanism has been proposed.
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