繊維学会誌
Online ISSN : 1884-2259
Print ISSN : 0037-9875
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58 巻, 2 号
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  • 角組系組物の構造と製造パラメータの決定法
    多田 牧子, 濱田 泰以
    原稿種別: 研究論文
    専門分野: 情報学
    2002 年 58 巻 2 号 p. 40-45
    発行日: 2002年
    公開日: 2002/10/15
    DOIhttps://doi.org/10.2115/fiber.58.40
    ジャーナル フリー
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    A Systematic approach to translate the structure of historical square braids into machine braiding procedure was developed. The structures, bundle path diagrams and number of bundles of the hand-manipulated, historical square braids were determined. Formulas giving the optimum number of bundles of the square braids were derived and a method of horn-gear arrangement necessary for the rotary braiding processes was developed. These may lead to a possibility to manufacture 3D braids with arbitrary braiding structures.
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  • 過酸化水素を併用したオゾン酸化による染色排水の分解に及ぼす各水質への影響
    杉本 太, 礒野 禎三, 小紫 和彦
    原稿種別: 研究論文
    専門分野: 情報学
    2002 年 58 巻 2 号 p. 46-51
    発行日: 2002年
    公開日: 2002/10/15
    DOIhttps://doi.org/10.2115/fiber.58.46
    ジャーナル フリー
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    The effect of water quality characteristics on oxidative decomposition of yarn dyeing wastewater by ozonation combined with hydrogen peroxide was investigated. As a sample, it used the wastewater(Sample a) of rinsing and the treatment water(Sample b) which was treated with the coagulation-precipitation and the activated sludge process of mixed wastewater of scouring, bleaching and dyeing. At ozone single processing, the decolorization of both samples proceeded with increasing amounts of ozone injected. Contrarily, the BOD values of theirs were increased, respectively. In the case of the treatment with combination of ozone and addition of hydrogen peroxide, the decolorization of sample a and b were advanced in comparison with the case of ozone single processing. The BOD values of theirs showed the decrease tendency. However, by the change of the supply balance of the amount of injection of ozone and the addition of hydrogen peroxide, the removal of coloring and BOD etc. of samples had not increased so much. Therefore, it is necessary to keep the optimum conditions of the concentration of ozone and hydrogen peroxide in wastewater.
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  • 染色排水処理へのベントナイトの応用
    ―共存無機電解質の影響―
    宮田 清美, 西村 和世, 前川 昌子
    原稿種別: 研究論文
    専門分野: 情報学
    2002 年 58 巻 2 号 p. 52-56
    発行日: 2002年
    公開日: 2002/10/15
    DOIhttps://doi.org/10.2115/fiber.58.52
    ジャーナル フリー
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    The application of bentonite on decolorization of waste water from dyeing containing direct and acid dyes has been evaluated with particular regard to the effects of added alkali halides with different size of anions and cations. The addition of the inorganic electrolytes was found to enhance decolorization of the waste water by bentonite. The larger the radius of the cations of the added electrolyte, the greater were the effects on the decolorization. However, anionic radius did not affect decolorization of the waste water. In addition, the effects of the structure and concentration of the dyes in the waste water on decolorization by bentonite are discussed.
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  • ラミーおよびリネン布中のペクチン質分解速度の予測式
    金 春花, 前川 昌子
    原稿種別: 研究論文
    専門分野: 情報学
    2002 年 58 巻 2 号 p. 57-60
    発行日: 2002年
    公開日: 2002/10/15
    DOIhttps://doi.org/10.2115/fiber.58.57
    ジャーナル フリー
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    Ramie and linen fabrics were treated with a commercial pectinase under various conditions. The effects of temperature, enzyme concentration, and treating time on degradation rate of pectic substances in the fabrics were evaluated. Equation to calculate their degradation rate was established as a function of enzyme concentration and treating time based on the obtained results.
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  • 衣服内湿度刺激強度が湿潤感受性に及ぼす影響
    山内 八千代, 諸岡 晴美, 諸岡 英雄
    原稿種別: 研究論文
    専門分野: 情報学
    2002 年 58 巻 2 号 p. 61-67
    発行日: 2002年
    公開日: 2002/10/15
    DOIhttps://doi.org/10.2115/fiber.58.61
    ジャーナル フリー
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    To clarify the effect of clothing humidity on humidity sensitivity, fifteen women subjects entered an experimental chamber in which the chamber humidity increased continuously. The subjects wore three sorts of clothing, semi-nude (shorts and brassiere), cotton underwear (+semi-nude), and polyester underwear (+semi-nude), respectively. Under such conditions, the subjective evaluations (humid sensation, thermal sensation, and comfortable feeling), the measurements of clothing temperature and clothing humidity, and the measurements of the physiological responses (heart rate, oral temperature, and mean skin temperature) were performed. The following results were obtained:
    1) The clothing humidity and the humid sensation differed according to the clothing used.
    2) The humid sensation related more to the comfort feeling than the thermal sensation. Moreover, there was a higher positive correlation between the humid sensation and the clothing humidity. There were significant correlations between the humid sensation and some physiological responses such as the heart rate, the oral temperature, and the mean skin temperature.
    3) The humidity sensitivity increased with the increase in clothing humidity regardless of the sort of clothing used.
    4) Dependence of humidity on the apparent differential thresholds was higher in semi-nude, and, in contrast, lower in the cotton underwear. However, the apparent differential threshold in the high humidity region ranged between 4 % and 6% in relative humidity regardless of the sorts of clothing.
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技術報文
  • カプセル化分散染料のポリエステル布への染色特性
    沢野井 康成, 堀 照夫
    原稿種別: 研究論文
    専門分野: 情報学
    2002 年 58 巻 2 号 p. 68-72
    発行日: 2002年
    公開日: 2002/10/15
    DOIhttps://doi.org/10.2115/fiber.58.68
    ジャーナル フリー
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    Dyeing properties of micro-capsulated disperse dyes into poly (ethylene terephthalate)(PET) fabrics was investigated in terms of color depth K/S. Microcapsule dyes (MC-dye) were prepared by encapsulating both disperse dyes and ferromagnetic substance with acrylate resin. MC-dye deposited PET fabrics was dyed by heat-treatment ranging 170 - 210°C. It was found that (1) K/S values were greatly higher when heated from both sides of fabrics, (2) thickness of MC-dye layer on PET frabrics gave practically no difference in K/S values, (3) higher temperature treatment resulted in the effective color evenness in a short time, and (4) control of K/S was possible by adjusting heat-treatment time.
    In addition, the comparison between the proposed MC-dye method and conventional high-pressure dyeing method revealed no difference in the light color fastness and the Munsell hue.
    On the basis of the present results a heat-treating apparatus was constructed.
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