JOURNAL of the JAPAN RESEARCH ASSOCIATION for TEXTILE END-USES
Online ISSN : 1884-6599
Print ISSN : 0037-2072
ISSN-L : 0037-2072
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Volume 31, Issue 7
Displaying 1-7 of 7 articles from this issue
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  • [title in Japanese]
    [in Japanese]
    1990 Volume 31 Issue 7 Pages 312-317
    Published: July 25, 1990
    Released on J-STAGE: September 30, 2010
    DOIhttps://doi.org/10.11419/senshoshi1960.31.312
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    [in Japanese]
    1990 Volume 31 Issue 7 Pages 318-324
    Published: July 25, 1990
    Released on J-STAGE: September 30, 2010
    DOIhttps://doi.org/10.11419/senshoshi1960.31.318
    JOURNAL FREE ACCESS
    Download PDF (947K)
  • [title in Japanese]
    [in Japanese]
    1990 Volume 31 Issue 7 Pages 325-328
    Published: July 25, 1990
    Released on J-STAGE: September 30, 2010
    DOIhttps://doi.org/10.11419/senshoshi1960.31.325
    JOURNAL FREE ACCESS
    Download PDF (514K)
  • [title in Japanese]
    [in Japanese]
    1990 Volume 31 Issue 7 Pages 329-331
    Published: July 25, 1990
    Released on J-STAGE: September 30, 2010
    DOIhttps://doi.org/10.11419/senshoshi1960.31.329
    JOURNAL FREE ACCESS
    Download PDF (344K)
  • Study on Consumption of Clothes by Using the Purchase Price for Each Class of Income
    Keiko Isoi, Chizuru Etou, Masao Ohashi, Ken Kazama
    1990 Volume 31 Issue 7 Pages 332-335
    Published: July 25, 1990
    Released on J-STAGE: September 30, 2010
    DOIhttps://doi.org/10.11419/senshoshi1960.31.332
    JOURNAL FREE ACCESS
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    The purpose of this paper is to verify the posibility of prediction on the price of each goods by using the relation between the income and the purchase price which were obtained by analysing data of“Family Income and Expenditure Survey”.
    The difference of purchase price among each income quintile groups was investigated about thirty-three items including clothes, footwear and bags.
    As the result, equations in terms of income and purchase price were obtained for each items of goods. The accuracy of these equations on the prediction was examined and we found that it was possible to predict the purchase price in three years later on twenty-seven out of thirty items of goods.
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  • Interrelation Between Shape Retention of Men's Suits and Shear Hysteresis Properties of Fabrics
    Hiroko Yokura, Masako Niwa
    1990 Volume 31 Issue 7 Pages 336-342
    Published: July 25, 1990
    Released on J-STAGE: September 30, 2010
    DOIhttps://doi.org/10.11419/senshoshi1960.31.336
    JOURNAL FREE ACCESS
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    An interrelation between the shape retention of wool or wool blend men's summer suits and shear hysteresis properties of fabrics was examined. Changes in appearance during wear of men's summer suits were evaluated using the decrease in the total appearance values (TAV) of the fabrics after fatigue test, which simulated the fabric fatigue after 800 hours of wear. The wrinkling performance of the fabrics was evaluated using moire topography. The hysteresis properties in shearing of fabrics were measured using the KES-FB system. The viscoelastic component WHGv in shear hysteresis was calculated by the constitutive equation based on the stress relaxation behavior of fabrics. The ratio of WHGv to the shear hysteresis loss WHG at shear deformation-recovery curve was also used as the characteristic value of shear hysteresis property.
    For the wool and wool blend men's summer suits fabrics, the decrease in the TAVs of the fabrics after fatigue test was less for the fabrics having a large WHGv/WHG value than those with a rather small WHGv/ WHG value. The decrease in the TAVs of the fabrics was also less for the fabrics having a small value of the hysteresis of shear force at 5 degree (2 HG 5) or the ratio of 2 HG 5 to the shear rigidity (G) than those with rather large 2 HG 5 or 2 HG 5 /G values. For the fabrics with the same fabric structure and yarn count, the fabrics having large WHGv/WHG value or small 2 HG 5 and 2 HG 5 /G values showed relatively severe wrinkling, whereas the wrinkling recovery after 1200 min. of these fabrics were superior to those with rather small WHGv/WHG value or large 2 HG 5 and 2 HG 5 /G values.
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  • Studies on Removal of Fe2O3 Particles by Foam Washing
    Part 3: The Effect of Transport of Particles out of Fabrics on Detergency
    Liu Bo, Masaru Oya, Masako Sato, Motoi Minagawa
    1990 Volume 31 Issue 7 Pages 343-348
    Published: July 25, 1990
    Released on J-STAGE: September 30, 2010
    DOIhttps://doi.org/10.11419/senshoshi1960.31.343
    JOURNAL FREE ACCESS
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    In foam washing, the removal process of particles from fabrics can be divided into two steps. In the previous paper we discussed the step 1 (the detachment of particles from the substrate) . This paper treats of the step 2 (transport of particles out of fabrics) .
    Particles were transported by foam which was generated on a nylon mesh screen. Foaming energy, ΔE, was calculated by following equation:
    ΔE=AT(Pa+Pn)1n(1+Pn/Pa)-ATPn
    where A is the foaming rate, T is the washing time, Pais the atmospheric pressure, and Pnis the pressure in foam.
    At 30°C, detergency increased linearly with increasing logA, logT, logPn. The linear relation between detergency and logΔE containing A, T and Pnwas confirmed at 30, 45 and 60°C. Increase in temperature was favorable not only to detachment action but also to transport action.
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