Synthesis and Application of Novel Arylsulfonium Salt Photoinitiators

doi:10.7517/j.issn.1674-0475.2015.02.177

Abstract

Abstract:

A new kind of aryl sulfonium salts were prepared by diphenyliodonium triflate with thioether compounds which have been synthesized by reaction of diphenyl disulfide ether with 1-methyl-2-phenyl indole. The compounds are characterized by ¹HNMR and ESI TOF-MS. In addition, the optimum reaction conditions were determined. The yield of the product was up to 62% in 1,1,2,2- tetrachloroethane solvent under CuI / Cu as the catalysts, in molar ratio of 1:1.2 of thioether compounds to diphenyliodonium triflate. Further, the optical performance test of the aryl sulfur salts show that they can be applied as cationic photoinitiators in UV-curing system.

Key words: photoinitiators, aryl sulfonium salts, diaryliodonium triflate

ZHANG Bianxiang, GUO Yili, YANG Lihua, SHI Ruixue. Synthesis and Application of Novel Arylsulfonium Salt Photoinitiators[J]. Imaging Science and Photochemistry, 2015, 33(2): 177-182.

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