Imaging Science and Photochemistry ›› 2004, Vol. 22 ›› Issue (6): 415-419.DOI: 10.7517/j.issn.1674-0475.2004.06.415

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Synthesis of a Novel Cationic Photoinitiator Bis[4-(Diphenylsulfonio)Phenyl] Sulfide-Bis-Hexafluorophosphate

LIU An-chang1,2, MO Jian-hua1, HUANG Shu-huai1   

  1. 1. College of Material Engineering, Huazhong Science and Technology University, Wuhan 430074, Hubei, P. R. China;
    2. Department of Chemical Engineering and Pharmacy, Wuhan Institute Chemical Technology, Wuhan 430074, Hubei, P. R. China
  • Received:2004-04-19 Revised:2004-07-15 Online:2004-11-23 Published:2004-11-23

Abstract: Biphenyl sulfoxide was prepared by the oxidation of biphenyl sulfide with hydrogen peroxide at room temperament in yield 98.7%.Then,bis[4-(diphenylsulfonio)phenyl]sulfide bis-hexafluorophosphate was prepared by the reaction of biphenyl sulfoxide with biphenyl sulfide in the presence of acid catalyst in approximately 75% yield.The later product was identified by infrared spectrum,UV spectrum and element analysis.

Key words: cationic photoinitiator, sulfonium salt, epoxy resin cure

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