Formation Behavior of Polyiodine Complex in Photocrosslinked Polyvinyl Alcohol Fiber Spun by Electrospinning Method

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  • Fujisawa Sho
    Department of Materials Science, Graduate School of Science and Engineering, Chiba University
  • Yamamoto Masumi
    Department of Materials Science, Graduate School of Science and Engineering, Chiba University
  • Kashiwai Daiki
    Department of Materials Science, Graduate School of Science and Engineering, Chiba University
  • Azari Pedram
    Department of Chemistry, University of Malaya
  • Khaw Ying Ying
    Department of Chemistry, University of Malaya
  • Gan Seng Neon
    Department of Chemistry, University of Malaya
  • Takahara Shigeru
    Department of Materials Science, Graduate School of Science and Engineering, Chiba University

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Fiber-oriented film was prepared by electrospinning method using polyvinyl alcohol with stylbazol quaternized group (PVA-SbQ), and the formation behavior of polyiodine complex in fibers was investigated. From the UV-vis spectra and the Raman spectra, it was revealed that PVA-I5‾ was formed in the fiber orientated film after staining. It is presumed that in the fiber oriented film, the iodine complexes are aligned in one direction. It is considered that the polyiodine complex is inductively arranged with respect to the orientation of fibers, which contributes to the development of dichroism.

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