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首页> 外文期刊>Journal of Cleaner Production >A cleaner and one-step approach for robust coloration of polyester fibers via hydrophobic magnetically recoverable photocatalyst fatty acidsano iron oxide coating
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A cleaner and one-step approach for robust coloration of polyester fibers via hydrophobic magnetically recoverable photocatalyst fatty acidsano iron oxide coating

机译：一种通过疏水磁性可回收光催化剂脂肪酸/纳米氧化铁涂层使聚酯纤维稳定着色的更清洁的一步方法

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摘要

Recently, nanoparticles are applied broadly for nanocoloration of textiles as new class of colorants along with imparting diverse properties. However, lack of being environmentally friendly and feasible, having proper coloration properties such as good color fastness against rubbing, washing and acid spotting and being magnetically recoverable is perceived. Herein, we described a cleaner one-step approach for robust nanocoloration of polyester fibers via hydrophobic magnetically recyclable photocatalyst fatty acidsano iron oxide coating for the first time. Introducing clean facile route as a possible replacement method of conventional textile coloration, eliminating hazardous dyes and auxiliaries, reducing textile effluents via using safe and magnetically recoverable colorant and photocatalytic dye degradation ability are the advantages of this route. A diverse color from light to dark brown with excellent color fastness ratings against washing, rubbing, acid and alkaline spotting and light was achieved for fabricated composites. Iron oxide nanoparticles along with fatty acids as safe coating not only improve the safety of the process but also enhance all the color fastness of the prepared samples along with forming very good hydrophobic behavior with water contact angle of 127 and 148 degrees. The fabricated samples displayed proper magnetic feature with saturation magnetization of 1.69 emu/g at room temperature expressed the feasible and simple recovery of the possible released nanoparticles in waste water from washing. Appropriate photocatalytic performance (90.73%) towards discoloration of methylene blue after 48 h under daylight was also achieved. This route renders the idea of utilizing magnetic nanoparticles along with fatty acids for cleaner and facile nanocoloration of various fibers with multifunctional properties. (C) 2019 Elsevier Ltd. All rights reserved.
机译：近来，纳米颗粒作为赋予新型性能的新型着色剂，被广泛用于纺织品的纳米着色。然而，人们认识到缺乏对环境友好和可行的，具有适当的着色性能，例如对摩擦，洗涤和酸点的良好的色牢度以及可磁回收的特性。在这里，我们首次描述了一种更清洁的一步法，用于通过疏水性可磁循环使用的光催化剂脂肪酸/纳米氧化铁涂层对聚酯纤维进行强健的纳米着色。引入清洁而简便的途径作为常规纺织品着色的可能替代方法，消除有害染料和助剂，通过使用安全且可磁回收的着色剂和光催化染料降解能力来减少纺织品废料是该途径的优势。制成的复合材料具有浅色至深棕色的多种颜色，具有优异的耐洗牢度，耐摩擦性，耐酸性和碱性斑点以及耐光性。氧化铁纳米粒子与脂肪酸一起作为安全涂层，不仅提高了工艺的安全性，而且还提高了制备样品的所有色牢度，并在127和148度的水接触角下形成了非常好的疏水性。所制备的样品显示出适当的磁特性，在室温下饱和磁化强度为1.69 emu / g，表明从洗涤中回收废水中可能释放的纳米颗粒是可行且简单的。还获得了在日光下48 h后对亚甲基蓝变色的适当光催化性能（90.73％）。该途径提出了利用磁性纳米颗粒与脂肪酸一起对具有多功能特性的各种纤维进行更清洁和便捷的纳米着色的想法。 （C）2019 Elsevier Ltd.保留所有权利。

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