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Improvement of the Rubbing Fastness of Cotton Fiber in Indigo/Silicon Non-Aqueous Dyeing Systems

机译：靛蓝/硅非水染色系统中棉纤维摩擦牢度的提高

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摘要

In order to solve the poor rubbing fastness of dyed cotton fiber in the indigo/silicon non-aqueous dyeing system, the process parameters of the silicon non-aqueous dyeing system were optimized. Dyed cotton fiber was post-treated to achieve the optimum dyeing conditions for obtaining a better rubbing fastness. Meanwhile, the dyeing performance of cotton fiber in a traditional water bath and silicon non-aqueous dyeing system was compared. The results showed that the rubbing fastness of dyed cotton fiber in the silicon non-aqueous dyeing system (one dyeing) was lower than that of traditional water bath (twelve cycles), although the color depth of dyed cotton fiber was deeper. For obtaining a good rubbing fastness, the optimum temperature was about 70 °C and the optimal dyeing cycle was one. Moreover, fixing agents can significantly improve the rubbing fastness of dyed cotton fiber. Especially, cationic waterborne polyurethane had an optimal fixing effect on the dyed cotton fiber. Soft finishing would weaken the effect of fixing finishing on the dyed cotton fiber, but the softener can significantly improve the handle of dyed cotton fiber.
机译：为了解决靛蓝/硅非水染色体系中染色棉纤维的耐摩擦性差的问题，对硅非水染色体系的工艺参数进行了优化。对染色的棉纤维进行后处理，以获得最佳的染色条件，以获得更好的摩擦牢度。同时，比较了棉纤维在传统水浴和硅非水染色体系中的染色性能。结果表明，尽管染棉纤维的色深较深，但硅非水染系统（一种染色）中的染棉纤维的摩擦牢度低于传统水浴（十二个循环）。为了获得良好的摩擦牢度，最佳温度为约70°C，最佳染色周期为一个。而且，固定剂可以显着提高染色棉纤维的摩擦坚牢度。尤其是，阳离子水性聚氨酯对染色棉纤维具有最佳的固着效果。软整理会削弱对染色棉纤维的固定整理效果，但是柔软剂可以显着改善染色棉纤维的手感。

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