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Simple crystallization approach for enhancing function of plant-based madder dye and performance of dyed fabric

机译:一种简单的结晶方法用于增强植物性茜草染料的功能和染色织物的性能

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摘要

In the present study, the natural madder dye was investigated to the simultaneous extraction and dyeing of cotton (natural fiber) and nylon (synthetic fiber). The optimum dye extraction conditions were found to be 80 °C, 60 min, and 1:6 with ethyl alcohol after madder had been fermenting for 24 hours with water as solvent. Interestingly, crystallization can be done to separate crystal mollugin from dyed solution. And then, dyed fabrics exhibited improved color strength and ultraviolet protection factor. Meanwhile, the mollugin showed a strong fluorescence emission with maximum emission band at 464 nm with 372 nm excitation in the solid state, which may provide potential molecular system for bio-based optoelectronics and chemical sensors.
机译:在本研究中,对天然茜草染料进行了研究,以同时提取和染色棉(天然纤维)和尼龙(合成纤维)。在将麦德酒以水为溶剂发酵24小时后,发现最佳的染料提取条件是80°C,60分钟和1:6的乙醇。有趣的是,可以进行结晶以将结晶的软体动物从染色的溶液中分离出来。然后,染色的织物表现出改善的色强度和紫外线保护因子。同时,软体动物在固态激发下在464 nm激发下具有464 nm的最大发射带,具有较强的荧光发射能力,这可能为生物基光电和化学传感器提供潜在的分子系统。

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