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An investigation into the durability of screen-printed conductive tracks on textiles

机译：纺织品上丝网印刷导电迹线的耐久性研究

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This paper examines the durability of screen-printed conductive tracks on textiles. These tracks are composed of a silver polymer paste as a conductive layer, which is fully encapsulated with polyurethane. The polyurethane materials and layer structures used to encapsulate the textile are varied and each structure is tested in a cyclic mandrel machine to simulate the effects of normal wear and tear. These results are compared to a MATLAB model of the strain in the conductive track, relating the predicted strain on the conductive layer to the measured resistance change. From these results, a batch of structures with high durability are fabricated and these are machine washed. It was found that 97.1% of the conductive tracks remained conductive after ten domestic machine washes with a 1 kg load at 40℃ and 1000 rpm spin speed. This compares with 8.9% which remained conductive before optimization. This optimization process has therefore led to over ten times improvement in durability for screen-printed conductive tracks on textiles.
机译：本文研究了纺织品上丝网印刷导电迹线的耐久性。这些走线由作为导电层的银聚合物浆料组成，并用聚氨酯完全封装。用于封装纺织品的聚氨酯材料和层状结构各不相同，每种结构都在循环心轴机中进行测试以模拟正常磨损的影响。将这些结果与导电轨迹中的应变的MATLAB模型进行了比较，将导电层上的预测应变与测得的电阻变化相关联。根据这些结果，制造出一批具有高耐久性的结构并将其机洗。结果发现，在40℃，转速为1000 rpm的条件下进行10次家用机器洗涤（负荷为1 kg）后，仍有97.1％的导电迹线保持导电。相比之下，有8.9％的物体在优化前保持导电。因此，这种优化过程已使丝网印刷在纺织品上的导电迹线的耐久性提高了十倍以上。

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