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首页> 外文期刊>Journal of the Indian Chemical Society >Effect of chitosan and mordants on the dyeability of cotton fabrics with a natural dye from the barks of Odina wodier Roxb.
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Effect of chitosan and mordants on the dyeability of cotton fabrics with a natural dye from the barks of Odina wodier Roxb.

机译：壳聚糖和媒染剂对Odina wodier Roxb树皮中天然染料对棉织物染色性的影响。

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摘要

This work has focused on developing eco-friendly treatments for modifying the fabric suffice. in the present study, the cotton fabric was treated with chitosan at different concentrations to find a suitable concentration on the dyeability with a natural dye from the barks of Odina wodier Roxb. The influence of dyeing methods with mordants, i.e. pre-mordanting, post-mordanting and simultaneous mordanting was determined. The light and wash fastness of chitosan treated samples were measured and compared with untreated samples. Chitosan-treated cotton fabrics improved both in dyeability and fastness compared with untreated cotton fabric. The cotton fabrics treated with chitosan not only provided better depth of shade but also provided better wash fastness and tight fastness than those of the untreated fabrics. The use of different mordants and mordanting methods affected the dye shade and depth of shade differently on the dyed fabrics both with and without chitosan. The range of colour developed on the dyed materials were evaluated in terms of (L*a*b*) CIELAB coordinates and the dye absorption on the cotton was studied by using K/S values.
机译：这项工作的重点是开发环保的处理方法，以改变织物的质地。在本研究中，用不同浓度的脱乙酰壳多糖处理棉织物，以从Odina wodier Roxb的树皮中找到天然染料对染性的合适浓度。确定了媒染剂染色方法的影响，即媒染前，媒染后和同时媒染。测量壳聚糖处理的样品的耐光性和耐洗牢度，并将其与未处理的样品进行比较。与未经处理的棉织物相比，经壳聚糖处理的棉织物在染色性和牢固性上均得到改善。与未处理的织物相比，用壳聚糖处理的棉织物不仅提供了更好的阴影深度，而且还提供了更好的耐洗牢度和紧密牢度。在使用壳聚糖和不使用壳聚糖的情况下，使用不同媒染剂和媒染剂方法对染色织物的染料色泽和色泽深度的影响均不同。根据（L * a * b *）CIELAB坐标评估在染色材料上显色的范围，并使用K / S值研究在棉上的染料吸收。

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