カットパイルカーペットの色に及ぼす因子について

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タイトル別名
  • Factors Affecting Color of Cut Pile Carpets.
  • カットパイルカーペット ノ イロ ニ オヨボス インシ

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In the color matching of cut pile carpets, a prediction of the color of carpets is made from the color of crosssectional and longitudinal surfaces of yarns constituting a carpet. Generally, it is know that the color of a cross-sectional surface of yarns is deeper than that of a longitudinal surface of yarns. A “pompon” of the color sample of cut pile carpets was used as a sample.<BR>Firstly, a color difference between the cross-sectional and longitudinal surface of yarns was measured with a spectrophotometric colorimeter. It has been found that the color of carpets were very susceptible to illuminance.<BR>Secondly, a procedure was discussed to predict the color perceived with eyes. A color of cross-sectional surface of a “pompon” was measured with a non-contact photoelectric colorimeter by varying a degree of surface illuminance of a sample. It was found that the visual color of cross-sectional surface of a “pompon” agreed with the Y value of illuminance of longitudinal surface of yarns, when a surface illuminance of a sample was 750 lx.<BR>Finally, the variation of illuminance in a “pompon” was measured with an illumination sensor inserted into a “pompon”. In order to examine the illuminance inside carpets, a comparison of measured value inside carpets to an illuminance calculated by a “pompon model” was made by changing the position of a sensor. When the angle of incidence was equal to zero degree, the light entered more deeply into the “pompon”. The degree of illuminance decreased about 50% at 5mm down and about 90% at 10mm down from the surface of a “pompon”.

収録刊行物

  • 繊維機械学会誌

    繊維機械学会誌 52 (7), T113-T121, 1999

    一般社団法人 日本繊維機械学会

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