PHOTOCHEMICAL REACTIONAL MECHANISM OF N-BUTYL-2-ETHOXY THIOACRIDONE

doi:10.7517/j.issn.1674-0475.2002.06.417

Abstract

Abstract: The photoreactive mechanism of the N-butyl-2-ethoxy thioacridone was studied by fluorescence spectrum analysis. The results showed that upon Xe lamp irradiation,N-butyl-2-ethoxy thioacridone was transformed into corresponding acridone and the presence of the lattter was confirmed by UV-visible absorbtion spectrum and mass spectrum.The acridone could be quenched by the diphenyl iodium salt and the electron transfer mechanism between them was verified via fluorescence quenched.The experimental results indicated that the initiative effect of the photopolymerizable initiation system comprising the N-butyl-2-ethoxy thioacridone,the biphenyl iodium salt and thiosalicylic acid was the best.

Key words: N-butyl-2-ethoxy thioacridone, acridone, electron transfer, fluorescence

CLC Number:

LI Xiao-na, ZHANG Yu-chuan, ZHANG Mo-jun. PHOTOCHEMICAL REACTIONAL MECHANISM OF N-BUTYL-2-ETHOXY THIOACRIDONE[J]. Imaging Science and Photochemistry, 2002, 20(6): 417-423.

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