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A review on light fastness of reactive and other classes of dyes on cotton material

机译：活性染料和其他类别染料在棉质材料上的耐光性研究进展

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摘要

The light fastness of dyed textile materials is one of the most important characteristics for ready-made goods. The light fastness of the dyed goods is evaluated by the rate of dye destruction in the fiber on exposure to an artificial light source which is similar to sun light. Factors affecting light fastness are the intensity and spectral composition of the light used for exposure, the spectral properties of dyed fiber, the dye concentration in the fiber, the dye reactivity, the state of the dye in the fiber, the nature of the bond between the dye and fiber, and the physical and the chemical constitution of the fiber. In combination shades, light fastness ratings are even lower than the lowest values of the individual dyes constituting in the mixture. Reactive dyes are becoming increasingly popular for dyeing cellulosic fibers because of their wide shade range, ease of application, and excellent wet fastness properties. However, these dyes are known to have poor perspiration and light fastness properties. The light fastness of different types of dyes on textile materials has been extensively discussed in a great number of technical papers, reviews, and monographs, while only little attention has been paid to the light fastness of reactive dyes.
机译：染色纺织材料的耐光性是现成商品的最重要特征之一。通过暴露于类似于太阳光的人造光源时，纤维中的染料破坏速率来评估染色物品的耐光性。影响耐光牢度的因素包括用于曝光的光的强度和光谱组成，染色纤维的光谱特性，纤维中的染料浓度，染料反应性，纤维中的染料状态以及它们之间的键的性质染料和纤维，以及纤维的物理和化学组成。在组合色中，耐光性等级甚至低于混合物中组成的各个染料的最低值。反应性染料由于其色域范围广，易于使用和优异的耐湿牢度性能，因此在用于纤维素纤维的染色方面正变得越来越流行。然而，已知这些染料具有差的排汗性和耐光性。在许多技术论文，评论和专着中，已经对各种类型的染料在纺织品材料上的耐光性进行了广泛的讨论，而对活性染料的耐光性只进行了很少的关注。

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  • 来源
    《Colourage》 |2010年第1期|47-54|共8页
  • 作者

    P.Thiagarajan; G.Nalankilli;

  • 作者单位

    Research Scholar, Anna University- Coimbatore;

    Bannari Amman Institute of Technology, Sathyamangalam;

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