繊維学会誌
Online ISSN : 1884-2259
Print ISSN : 0037-9875
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67 巻, 10 号
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  • UV Protection and Photostabilization of Dyes Provided by Benzophenone UV Absorbers Containing a Built-in Benzotriazole Moiety
    Hironori Oda
    2011 年 67 巻 10 号 p. 211-218
    発行日: 2011年
    公開日: 2011/11/30
    DOIhttps://doi.org/10.2115/fiber.67.211
    ジャーナル フリー
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    The textiles for protection against harmful UV radiation have become the focus of great interest in the present time, but all apparel is not well-protected against UV light ; application and improvement of UV absorbers for sun protective fabrics is therefore being sought. A number of different types of UV absorbing compounds were prepared as a means of development of UV protective fabrics. It was found that hydroxybenzophenones bearing groups which are capable of acting as benzotriazole UV absorbers show very high UPF, and play an important role in improving the light fastness of dyes. It was proposed that 2‚2’‚4‚4’-tetrahydroxy-5‚5’-dibenzotriazolylbenzophenone and its derivatives may be used as effective UV absorbers for sun protective fabrics.
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  • Electroless Nickel Plating on Disintegrated Pulp Fibers
    Takeshi Ueno, Shohta Takemura, Masahiro Simada, Takayuki Okayama
    2011 年 67 巻 10 号 p. 219-224
    発行日: 2011年
    公開日: 2011/11/30
    DOIhttps://doi.org/10.2115/fiber.67.219
    ジャーナル フリー
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    Making pulp fiber conductive is imperative to produce conductive paper. In this study, we experimentally investigate disintegrated pulp fibers electroless plated with nickel to make the fiber conductive. In conventional electroless nickel plating on plastic materials, adding the drying process after the surface activation and catalyst adsorption processes have made electroless plating on the fiber surface possible. Our observations of the cross section of plated pulp fibers and the analysis of its elements verify that a nickel film covering the fiber surface was formed.The plate film became thicker as the plating time and temperature increased. The DC electrical resistance of the plated pulp fiber decreased to 101 Ω‚ as the plating time and temperature increased. The AC impedance was converged between 101 Ω and 102 Ω as the measurement frequency increased, which verifies that conductivity can be maintained.
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技術報文
  • Modification of PET Fabric Using Tetrabutyl Titanate by Hydrothermal Method
    Hui Zhang, Jun Xu, Lu Yang
    2011 年 67 巻 10 号 p. 225-231
    発行日: 2011年
    公開日: 2011/11/30
    DOIhttps://doi.org/10.2115/fiber.67.225
    ジャーナル フリー
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    A thin layer of nano TiO2 was deposited on PET fiber using tetrabutyl titanate by hydrothermal processing. The TiO2-loaded fiber was characterized by scanning electron microscope (SEM)‚ X-ray diffraction (XRD)‚ Fourier transform infrared spectroscopy (FT-IR)‚ X-ray photoelectron spectroscopy (XPS)‚ differential scanning calorimetry (DSC) and thermal gravimetric (TG) analysis. PET fabrics before and after treatments were also examined for the reflectance spectrum, tensile properties and water absorption. The results showed that pure anatase TiO2 crystallite could be synthesized from tetrabutyl titanate aqueous solution. The thin film constituted by nano TiO2 particles was grafted onto the fiber surface by chemical reaction. The onset decomposition temperature decreased but the endothermal and exothermal temperatures increased. As compared with the untreated fabric, the water absorbency of the TiO2-loaded fabric was slightly improved. Owning to the shrinkage of fabric size‚ the breaking load and tensile strain in warp and weft directions increased to some extent.
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