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 30, Issue 8
Displaying 1-6 of 6 articles from this issue
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  • [title in Japanese]
    [in Japanese], [in Japanese]
    1989 Volume 30 Issue 8 Pages 329-334
    Published: August 25, 1989
    Released on J-STAGE: September 30, 2010
    DOIhttps://doi.org/10.11419/senshoshi1960.30.329
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    [in Japanese]
    1989 Volume 30 Issue 8 Pages 335-339
    Published: August 25, 1989
    Released on J-STAGE: September 30, 2010
    DOIhttps://doi.org/10.11419/senshoshi1960.30.335
    JOURNAL FREE ACCESS
    Download PDF (4872K)
  • [title in Japanese]
    [in Japanese]
    1989 Volume 30 Issue 8 Pages 340-345
    Published: August 25, 1989
    Released on J-STAGE: September 30, 2010
    DOIhttps://doi.org/10.11419/senshoshi1960.30.340
    JOURNAL FREE ACCESS
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  • Application of the Image Analysis System to the Instrumental Assessment of the Color Fastness of Dyed Fabrics
    —Color Measurement with the Image Analysis System—
    Yurika Tagawa, Mitsuo Ueda, Tsuneaki Hirashima
    1989 Volume 30 Issue 8 Pages 355-359
    Published: August 25, 1989
    Released on J-STAGE: September 30, 2010
    DOIhttps://doi.org/10.11419/senshoshi1960.30.355
    JOURNAL FREE ACCESS
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    It has been well known that the conventional instruments, such as a spectrophotometer or a color difference meter can not be applied to the color measurement of dyed fabrics which have very small or complex dyeing patterns.
    Hence, we applied the image analysis (I. A.) system to the color measurement and studied a novel technique for the instrumental assessment of the color fastness of dyed fabrics.
    An excellent linear relationship exists between digitalized light intensities of the images of standard gray scales measured with the I. A. system and spectral reflection factors of the gray scales measured with spectrophotometer.
    CIE-XYZ trichromatic values and CIE-LAB color differences of the sample dyeings could be obtained with fair to good accuracy with the I. A. system using three optical glass filters which are designed to set in front of a monochromatic video camera so that the curve of the spectral sensitivity of the total system is similar to that of the tristimulus values of CIE standard observer.
    It can be concluded that the I. A. system is useful for the color measurement and can be developed as the novel system for the instrumental assessment of the color fastness of dyed fabrics, especially which have very small or complex dyeing patterns.
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  • Effect of Poly (ethylene glycol) on Solubilization and Anti-redeposition Behavior of Sodium n-Dodecylbenzene Sulfonate
    Noriko Ueda, Yoshio Iwadare
    1989 Volume 30 Issue 8 Pages 360-366
    Published: August 25, 1989
    Released on J-STAGE: September 30, 2010
    DOIhttps://doi.org/10.11419/senshoshi1960.30.360
    JOURNAL FREE ACCESS
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    The effect of poly (ethylene glycol) (PEG) on the solubilization behaviors of an anionic surfactant, sodium n-dodecylbezene sulfonate (DBS), toward oil-soluble monoazo dyes and the anti-redeposition behaviors of the surfactant toward carbon black soil has been investigated in aqueous DBS-PEG mixed solutions with 0.05 mol/l of sodium sulfate.
    The amount of solubilized dye and the solubilizing power (Sp) increased considerably with an increase in the concentration and weight-average molecular weight (Mw) of PEG. The surfactant concentration at the start of solubilization (Cb) varied in an opposite tendency from Sp. These results are interpreted in terms of DBS-PEG complexes formed by binding between DBS and PEG in water.
    The detergency efficiency (D) to the carbon black soil for cotton and nylon fabrics increased with increasing the concentration of PEG. The degree of soil-redeposition (S) on these fabrics showed a reverse tendency from D. Further, it was shown that there is a critical molecular weight level at which the antiredeposition properties of PEG are greatest. It is suggested that PEG is effective as an anti-redeposition agent to carbon black soil/cotton or nylon fabric systems.
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  • Studies on Removal of Fe2O3 Particles Soil by Foam Washing
    Part 1 : The Effect of State of Soil Adhesion on Removal
    Liu Bo, Masaru Oya, Motoi Minagawa
    1989 Volume 30 Issue 8 Pages 367-369
    Published: August 25, 1989
    Released on J-STAGE: September 30, 2010
    DOIhttps://doi.org/10.11419/senshoshi1960.30.367
    JOURNAL FREE ACCESS
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    The purpose of this investigation is to elucidate the removal mechanism of particulate soil in foam washing. A nylon mesh screen soiled with Fe3O3 particles was fixed vertically to the direction of foam advancing and was washed. The relation between state of adhered particles and their removal in foam washing was discussed. The following results were obtained.
    1) The surface of nylon mesh screen soiled with Fe2O3particles was observed under a scanning electron microscope. Primary and secondary particles adhered to the surface of filament yarn uniformly when the amount of particles deposited on filament yarn was less than 0.012 mg/cm2. In the case of 0.012 mg/cm2or more, the aggregated particles deposited on the surface of filament yarn.
    2) In the foam washing, larger Fe2O3particles were readily removed than smaller ones. Using soil of the same diameter, detergency decreased with increasing amount of soil adhered to filament yarn.
    3) Detergency increased with decreasing the opening of mesh screen. This suggests that the foaming action at the opening of mesh screen effected soil removal.
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