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Photosensitized free radical polymerization using pyridinium salts

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Summary

The polymerization of methyl methacrylate (MMA), ethyl acrylate (EA), styrene (St) and 2-vinyl pyridine (VP) is initiated upon irradiation at λ>350 nm of dichloromethane solutions containing N-ethoxy-2-methylpyridinium hexafluorophosphate (EMP+PF6 -) and anthracene or thioxanthone. Initiation mechanisms involving the formation of ethoxyl radicals during the decomposition of EMP+ ions via electron transfer are proposed.

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Authors and Affiliations

  1. Department of Chemistry, Istanbul Technical University, Maslak, TR-80626, Istanbul, Turkey

    Nilhan Kayaman, Ayşen Önen & Yusuf Yağci

  2. Bereich Physikalische Chemie, Hahn-Meitner Institut, D-14109, Berlin, Germany

    Wolfram Schnabel

Authors
  1. Nilhan Kayaman
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  2. Ayşen Önen
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  3. Yusuf Yağci
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  4. Wolfram Schnabel
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Kayaman, N., Önen, A., Yağci, Y. et al. Photosensitized free radical polymerization using pyridinium salts. Polymer Bulletin 32, 589–596 (1994). https://doi.org/10.1007/BF00973906

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  • DOI: https://doi.org/10.1007/BF00973906

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