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Electromechanical properties of poly amide/lycra fabric treated with PEDOT:PSS

机译：用PEDOT处理聚酰胺/莱卡织物的机电性能：PSS

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One of the challenges in smart textiles is to develop suitable multifunctional materials that can address simultaneously several characteristics such as durability, stretchability, lightweight, and conductivity. Conductive polymers which showed success in different technological fields like polymer solar cells and light emitting diodes are promising in many smart textile applications. In this work, we treated a common polyamide/lycra knitted fabric with PEDOT:PSS for stretchable e-textiles. PEDOT:PSS, with DMSO as a conductivity enhancer and different ratios of water-based polyurethane dispersions as a binder, was applied to the fabric with simple immersion and coating applications. The effect of different application methods and binder ratio on the surface resistance of the fabric was monitored with four point probe electrical surface resistance measurement systems. Samples prepared by immersion technique are more uniform and have higher conductivity than those prepared by a coating technique. SEM images showed that PEDOT:PSS is incorporated into the structure in the immersion method while in the coating it is majorly present on the surface of the fabric. The tensile measurement showed that the acidic PEDOT:PSS and polyurethane dispersion coating has no adverse effect on the tensile strength of the fabric. The coated samples can be stretched up to 700% while still reasonably conductive. The resistance increases only by a small amount when samples were stretched cyclically by stretching 100%. Generally, samples prepared by the immersion method maintained better conductivity while stretching than those by a coating method. The washing fastness of the samples was also assessed.
机译：智能纺织品中的一个挑战是开发合适的多功能材料，可以同时解决诸如耐用性，可拉伸性，轻质和电导率的若干特性。在许多智能纺织应用中，在不同技术领域中显示出不同技术领域成功的导电聚合物在许多智能纺织品应用中具有很大的。在这项工作中，我们处理了一种普通的聚酰胺/ Lycra针织织物，带有PEDOT：PSS用于可拉伸的E-纺织品。 PEDOT：PSS，用DMSO作为电导率增强剂和作为粘合剂的水基聚氨酯分散体的不同比例，用简单的浸渍和涂层应用施加到织物上。用四点探针电气表面电阻测量系统监测不同施用方法和粘合剂比对织物表面电阻的影响。通过浸渍技术制备的样品更均匀并且具有比通过涂布技术制备的导电性更高。 SEM图像显示PEDOT：PSS在浸入方法中掺入结构中，同时在涂层中主要存在于织物的表面上。拉伸测量表明，酸性转型：PSS和聚氨酯分散涂层对织物的拉伸强度没有不利影响。涂覆的样品可以拉伸高达700％，同时仍然合理导电。当样品通过拉伸100％循环拉伸时，电阻仅增加少量。通常，通过浸渍方法制备的样品保持比通过涂布方法拉伸的更好的导电性。还评估样品的洗涤牢度。

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