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 34, Issue 9
Displaying 1-6 of 6 articles from this issue
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  • [title in Japanese]
    [in Japanese]
    1993 Volume 34 Issue 9 Pages 451-456
    Published: September 25, 1993
    Released on J-STAGE: September 30, 2010
    DOIhttps://doi.org/10.11419/senshoshi1960.34.451
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    [in Japanese]
    1993 Volume 34 Issue 9 Pages 457-462
    Published: September 25, 1993
    Released on J-STAGE: September 30, 2010
    DOIhttps://doi.org/10.11419/senshoshi1960.34.457
    JOURNAL FREE ACCESS
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  • Comparison of Static Electricity Between Silk and Polyester Kimono in the Course of Walking.
    Part 2 : Examination of Static Electricity by Wearing Test on Human Subject
    Chishiko Takatsuki, Teruko Tamura
    1993 Volume 34 Issue 9 Pages 466-473
    Published: September 25, 1993
    Released on J-STAGE: September 30, 2010
    DOIhttps://doi.org/10.11419/senshoshi1960.34.466
    JOURNAL FREE ACCESS
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    In a previous paper the factors affecting static electricity of kimono were examined by using a newly developed walking instrument. Following this, the similar wearing tests were conducted on 10 healthy female subjects under the conditions of air temperature of 20°C, 30%RH and at an air velosity of less than 0.2m/s. The fabrics of kimono examined consisted of silk, regular polyester and antistatic polyester.
    The regular polyester kimono showed the highest static charge (6.0kV) of all the examined materials, while the antistatic polyester showed the lowest (less than 1.0kV) and the silk kimono showed the middle value (2.0kV) of them. The result was highly correlated with the previous result obtained on the instrument. The static charge of the silk kimono of the wearing test, however, was relatively decreased from that of the instrumental test. The reason should be due to the absorption property of the silk which works more effectively to the insensible perspiration from the human skin than the non-absorptive polyester fiber.
    Static electricity of the human body ranged from 0 to 0.075kV which was much lower than those of the kimono because of the large static electrical capasity of the human body compared to that of the kimono fabric. The static electricity of the human body measured after 107mwalk showed negative correlation (r=-0.975) with those of kimono when simultaneously measured at 10cm high from the kimono's bottom.
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  • Study on the Effect of Light on the Surface Color of Three-dimensionally Formed Objects.
    Part 1: Psychological Effect on Draped Fabric
    Masako Sato, Motoi Minagawa
    1993 Volume 34 Issue 9 Pages 474-484
    Published: September 25, 1993
    Released on J-STAGE: September 30, 2010
    DOIhttps://doi.org/10.11419/senshoshi1960.34.474
    JOURNAL FREE ACCESS
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    Effect of the light on the psychological appearance and photometry of three-dimensionally formed colored objects was studied by using draped fabrics. A fluorescent lamp having 5000 K in correlated color temperature and three kinds of polyester fabrics were used. The emotions of twelve women subjects who look at draped fabrics of various colored lawn, habutaeand satin were examined by Semantic Differential method. The satin fabrics were made from Deforl®of a specialized polyester yarn. The factor analysis of SD data has shown that a stereoscopical appearance was extracted as the first sensational factor for all three fabrics. Then, for lawn and Deforl®satin, an elegant appearance was extracted as the second sensational factor.
    On the other hand, the spectral radiance, radiance and chromaticity of fifteen parts of a draped fabric were measured by spectroradiometer from 380 to 760 nm of wavelength.
    The lower the radiance of color samples, the more stereoscopical appearance were recognized. On the color samples of higher radiance, the large radiance differences were examined not only between the parts of concave and convex surfaces but also among the parts of upper, middle and bottom of a draped fabric. However, the appearances of them seemed plain. The reciprocal relation was also recognized between an elegant appearance and the radiance. And the large chromaticity differences between concave and convex surfaces were examined about color samples of medium radiance.
    In order to be looked stereoscopically and elegantly, it was seemed that the draped fabric would have medium radiance of surface, in other words, about 5-20% of medium luminous reflectance Y (%) as object color.
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  • Effect of Some Factors on Buying the Clothes
    Part 1: Relationship between Purposes of Using Clothes and Its Consciousness Structure
    Yukie Ide, Keiko Isoi, Ken Kazama
    1993 Volume 34 Issue 9 Pages 485-491
    Published: September 25, 1993
    Released on J-STAGE: September 30, 2010
    DOIhttps://doi.org/10.11419/senshoshi1960.34.485
    JOURNAL FREE ACCESS
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    Clothes are bought after considering the purpose to use them in advance. Out of many factors affecting the purchase of clothes, this article is focussed on the purpose of uses and tries to clarify the characteristics of the life styles of three groups of subjects; students, their mothers and fathers, on the basis of their respective purposes of wearing clothes. A factor analysis has revealed the differences among the purposes of three groups, resulting from the behavior and consciousness structures of the subjects.
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  • Study on the Instrumental Evaluation Method of Assessing for Staining on the CIELAB Color System
    Tetsuya Sato, Taeko Nakamura, Kazushige Teraji, Tamotsu Fukuda
    1993 Volume 34 Issue 9 Pages 492-503
    Published: September 25, 1993
    Released on J-STAGE: September 30, 2010
    DOIhttps://doi.org/10.11419/senshoshi1960.34.492
    JOURNAL FREE ACCESS
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    It is impossible to avoid the individual difference in the visual evaluation of color fastness. Therefore, the colorimetric evaluation have been investigated.
    In this study, by using the gray scale and color scales for assessment of staining, the authors tried to obtain the instrumental method for the determination of color fastness grade in assessment of staining. And we obtained the following equation calculating the color fastnessFs.
    Fs=5-5 [k1 {ΔEDBH/ (100-Do) } ] K2
    ΔEDBH= [ (ΔD) 2+ {ΔBD (100-L*i) L*i/2000} 2+2C'oC'i {1-cos (Δh/180) } ] 1/2
    k1=2.2+0.001 (Δhi290-180) BDi
    k2=0.62+0.00004Δhi290BDi
    where,
    L*i: Metric lightness of the test specimen
    BDi: Brightness of the test specimen
    C'i: Improved metric chroma of the test specimen
    C'o: Improved metric chroma of the original specimen
    Do: Depth of color of the original specimen
    ΔD: Depth difference between the original specimen and the test specimen, ΔD=Di-Do
    ΔBD: Brightness difference between the original specimen and the test specimen, ΔBD=BDi-BDo
    Δh: Metric hue-angle difference between the original specimen and the test specimen, Δh =|h1-ho|
    Δhi290: Metric hue-angle difference from h =290 of the test specimen
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