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Ozone and Ozone Fading of Denim

机译:牛仔布的臭氧和臭氧褪色

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摘要

Ozone fading of washed and bleached denim is primarily caused by the oxidative effect of ozone on the indigo dye, the contaminants and the applied additives. Among these, some are metallic ions and softeners are found to enhance ozone fading considerably. Whiteness imparted by fluorescent whitening agents is also found to demonstrate poor fastness to ozone. Reducing compounds, amino compounds or amides may have the property of inhibiting ozone fading. Simple amines such as thiourea have found to be very effective in inhibiting ozone fading but they are not durable. On the other hand, aromatic amines and cationic softeners are more durable. Yet, they have a higher tendency of yellowing when oxidized.
机译:经过洗涤和漂白的牛仔布的臭氧褪色主要是由臭氧对靛蓝染料,污染物和所施加的添加剂的氧化作用引起的。其中,一些是金属离子,并且发现软化剂可大大增强臭氧褪色。还发现荧光增白剂赋予的白度显示出对臭氧的坚牢度差。还原性化合物,氨基化合物或酰胺可具有抑制臭氧褪色的性质。已发现简单的胺类(例如硫脲)在抑制臭氧褪色方面非常有效,但不持久。另一方面,芳族胺和阳离子软化剂更耐用。然而,它们在被氧化时具有更高的泛黄趋势。

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  • 来源
    《Man-Made Textiles in India》 |2010年第6期|P.207-210|共4页
  • 作者

    Rahul Guglani;

  • 作者单位

    M. Tech (Textile) Institute of Chemical Technology, Matunga, Mumbai - 400 019;

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  • 正文语种 eng
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