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Influence of Microwaves on Nonformaldehyde DP Finished Dyed Cotton Fabrics

机译:微波对无甲醛DP染棉织物的影响

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An alternative approach to formaldehyde-releasing conventional N-methylol compounds is based on the use of nonformaldehyde durable press polycarboxlic acid (PCA) finishing agents. Another alternative approach, investigated here, is using microwave energy to impart durable crease resistance to dyed cotton fabric. The bifunctional dyes C.I. Reactive Red 195, C.I. Reactive Yellow 145, and C.I. Reactive Blue 221 are used in the study, and the isocratic HPLC method is employed to quantify the PCA reacted with the cellulosic material for two different curing procedures. Shade change evaluation reveals that microwave curing has a greater influence on the dE values than conventional curing. In all other aspects, primarily wrinkle recovery and deformation resistance, microwave curing offers much better results.
机译:释放甲醛的常规N-羟甲基化合物的另一种方法是基于使用非甲醛耐久压榨聚羧酸(PCA)整理剂。本文研究的另一种替代方法是使用微波能量赋予染色棉织物持久的抗皱性。双功能染料C.I.活性红195,C.I.活性黄145和C.I.研究中使用了活性蓝221,采用等度HPLC方法对与纤维素材料反应的PCA进行了两种不同的固化程序定量。阴影变化评估表明,微波固化比常规固化对dE值的影响更大。在所有其他方面,主要是皱纹恢复和抗变形性,微波固化提供了更好的结果。

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