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Effect of water quality on reactive dyeing of cotton

机译:水质对棉花活性染色的影响

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Dye-house water quality is the most important parameter to be confirmed before dyeing;precisely thepresence of metal content i.e. Hardness. This study focused on the impact of water hardness (i. e. Calcium and Magnesium) in dyeing of cotton with reactive dyes. From evaluation of dyed fabric the range of metal content is sorted out where the quality starts to fluctuate as distinctive visible and spectral change of shade and fixation rate of the dye molecules has been found. The result of the work will help for further projection about water quality degradation in upcomingyears and its effect on dyeing behavior, also the sustainability of present dyeingprocess to cope with the ever degrading quality of water. The purpose of this project work is to determine the effect of hardness of water on dyeing with the reactive dyes the dyeing method is CPB method. The project work deals with the effect of water of different hardness on dyeing. Dyeing was carried out using water of hardness 40ppm, 100ppm, 300ppm, 500ppm, 1000ppm and 1500ppm. Dyeings with higher water hardness gave lower coloryield.
机译:印染厂的水质是染色前要确认的最重要参数;金属含量的存在即硬度。该研究集中于水硬度(即钙和镁)对活性染料染色棉的影响。通过对染色织物的评估,可以发现金属含量的范围,其中质量开始波动,因为发现了明显的可见光,并且发现了色度和染料分子的固着率的光谱变化。这项工作的结果将有助于进一步预测未来几年水质的下降及其对染色行为的影响,以及当前染色工艺的可持续性,以应对水质不断下降的问题。该项目工作的目的是确定水的硬度对活性染料染色的影响,该染色方法为CPB法。项目工作涉及不同硬度的水对染色的影响。使用硬度为40ppm,100ppm,300ppm,500ppm,1000ppm和1500ppm的水进行染色。具有较高水硬度的染料产生较低的色度。

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