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首页> 外文期刊>Fibres & textiles in Eastern Europe >Environment Friendly Approach to Simultaneously Remove Unfixed Dyes from Textile Fabric and Wash-off Liquor
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Environment Friendly Approach to Simultaneously Remove Unfixed Dyes from Textile Fabric and Wash-off Liquor

机译：同时去除纺织品和洗涤液中未固定染料的环保方法

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A new idea was investigated in this study wherein the use of coagulants was assessed in the wash-off process to simultaneously remove unfixed reactive dyes from fabrics and wash off liquor At the end of dark shade dyeing (5% owj) with C.I. Reactive Yellow 145, C.I. Reactive Red 194, and C.I. Reactive Black 5, fabrics were subjected to both conventional and new wash-off methods, and comparisons were made. The effectiveness of coagulant wash-off was evaluated in terms of the change in shade, wash fastness, rubbing properties, and colour difference values (Delta L*, Delta C*, Delta h* & Delta E*). The colour removal efficiency (%) of liquor was considered as indicative of the removal of unfixed dyes from the fabric. Overall results have shown that the use of alum and MgCl2 coagulants during the wash-off process can achieve up to an 87% reduction in the colour of wash-off liquor; without compromising the colour properties of the dyed substrate.
机译：在这项研究中研究了一个新的想法，其中在冲洗过程中评估了混凝剂的使用，以同时从织物上去除未固定的活性染料并冲洗液体。在用C.I.进行深色染色（5％owj）结束时。活性黄145，C.I.活性红194和C.I.活性黑5织物都经过常规和新的冲洗方法，并进行了比较。根据阴影，洗涤牢度，摩擦性能和色差值（Delta L *，Delta C *，Delta h *和Delta E *）的变化评估凝结剂冲洗的有效性。液体的脱色效率（％）被认为是从织物上去除未固定染料的指标。总体结果表明，在冲洗过程中使用明矾和MgCl2混凝剂可以使冲洗液的颜色减少多达87％。而不损害染色底物的颜色性能。

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