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Synthesis and Application of Bisazo Acid Dyes for Water Repellent Polyamides

机译:防水聚酰胺用重氮偶氮染料的合成及应用

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Simultaneous dyeing and finishing of textiles is known for its potential to reduce the cost,increase production and drastically reduce the effluent load.However,some of the finishes applied during dyeing or post dyeing operation are found to show lowering in performance properties due to their poor durability to washing.The present paper reports the results of the synthesis and application of bisazo acid dyes containing m-trifluoromethyl aniline and m-toluidine/p-nitro aniline reacted with the coupler H-acid,on the polyamide fabrics mainly silk,wool and nylon interms of wettability,water repellency,colour depth and fastness.The improved and durable water repellency with good performance properties was obtained in case of dyes containing trifluofo-methyl group and p-nitro aniline.
机译:纺织品同时进行染整加工具有降低成本,增加产量并显着减少废水负荷的潜力。但是,由于染色效果差,在染整或染后操作中使用的某些整理剂的性能会降低。本文报道了含间三氟甲基苯胺和间甲苯胺/对硝基苯胺与偶合氢酸反应的双偶氮染料在丝绸,羊毛和涤纶织物上的合成和应用结果。尼龙的润湿性,憎水性,色深和牢度的关系。在含有三氟甲基和对硝基苯胺的染料的情况下,可以获得改善的,持久的憎水性和良好的性能。

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