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

Sho Fujisawa; Masumi Yamamoto; Daiki Kashiwai; Pedram Azari; Ying Ying Khaw; Seng Neon Gan; Shigeru Takahara

doi:10.2494/photopolymer.31.569

Sho Fujisawa, Masumi Yamamoto, Daiki Kashiwai, Pedram Azari, Ying Ying Khaw, Seng Neon Gan, Shigeru Takahara

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Keywords: Photo-crosslinked polymer, Polyvinyl alcohol, Polyiodine complex, Electrospinning, Oriented fiber, Dichroism

JOURNAL FREE ACCESS

2018 Volume 31 Issue 4 Pages 569-574

DOI https://doi.org/10.2494/photopolymer.31.569

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Abstract

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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