繊維学会誌
Online ISSN : 1884-2259
Print ISSN : 0037-9875
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61 巻, 5 号
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レポート<平成16年度研究助成成果報告>
一般報文
  • 無機物混在下での新規なセルロース産生微生物の培養
    吾郷 万里子, 岡島 邦彦, 清水 美和, 望月 久也, 山根 千弘
    2005 年 61 巻 5 号 p. 119-123
    発行日: 2005年
    公開日: 2005/12/15
    DOIhttps://doi.org/10.2115/fiber.61.119
    ジャーナル フリー
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    Several composites of bacterial cellulose and inorganic compound were obtained by cultivation of a noble bacterial cellulose producing Entero-bactor species under the presence of inorganic substances. It was found that the presence of non-soluble inorganic substances gave considerable influence on bacterial cellulose production itself. Observation of SEM and X-ray diffraction patterns of the obtained composites revealed that cellulose microfibril became narrower and thinner, and the degree of the planner orientation of the microfibril became larger in the some compounds with specific inorganic material species. Above such results might open a new way to prepare the new materials with noble and potential functions.
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技術報文
  • 液体クロマトグラフィーによる各種セルロース繊維の細孔分析
    柳内 雄一, 清水 義雄, 佐々木 博昭, 呑海 信雄
    2005 年 61 巻 5 号 p. 124-131
    発行日: 2005年
    公開日: 2005/12/15
    DOIhttps://doi.org/10.2115/fiber.61.124
    ジャーナル フリー
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    In the analytical method for ascertaining the pore structure of cellulosic fibers by liquid chromatography through drawing a bundle of threads into a column[4], the preparation procedure and the type of specimens deeply influence the results. In the case of Tencel, rayon and linen, the permeability limit is clear but, in the case of cotton treated with liquid ammonia, the permeability limit is difficult to discover. To solve this problem, a method of making each thread free and removing twists before bringing the threads together as a bundle is useful. The permeability limit for Tencel, rayon, linen and cotton are found to have a PEG molecular diameter of 5.8nm and for liquid ammonia treated cotton 5.8nm, or 4.9nm, through the improved method.
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  • Pseudomonas aeruginosa培養上清液で処理した繊維の染色堅ろう性及び抗菌耐久性
    恩田 紘樹, 久保川 博夫, 篠沢 隆雄
    2005 年 61 巻 5 号 p. 132-137
    発行日: 2005年
    公開日: 2005/12/15
    DOIhttps://doi.org/10.2115/fiber.61.132
    ジャーナル フリー
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    In this study, we tested the color fastness of various fibers treated with culture medium of Pseudomonas aeruginosa at alkaline conditions. After that, we tested the antibacterial activity of these fibers to Staphylococcus aureus and Klebsiella pneumoniae. As a result, we found that the antibacterial activity was easily affected after color fastness test of water, washing and laundering and ultraviolet light. Moreover, after these color fastness tests, treated fibers, especially nylon and acetate, faded extensively. On the other hand, after color fastness test of dry cleaning, treated fibers did not fade and maintained their antibacterial effect. Therefore, we suggest that dry cleaning is a suitable method of washing and indoor use is desirable for practical use.
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