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首页> 外文期刊>The Journal of the Textile Institute >Evaluating the fabric performance and antibacterial properties of 3-D piezoelectric spacer fabric
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Evaluating the fabric performance and antibacterial properties of 3-D piezoelectric spacer fabric

机译：评价3-D压电垫片的织物性能和抗菌性能

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摘要

The increasing need of on-demand power for enabling portable low-power devices and sensors has necessitated work in novel energy harvesting materials and devices. In a recent work, we demonstrated the production and suitability of three-dimensional (3-D) spacer all fibre piezoelectric textiles for converting mechanical energy into electrical energy for wearable and technical applications. The current work investigates the textile performance properties of these 3-D piezoelectric fabrics including porosity, air permeability, water vapour transmission and bursting strength. Furthermore, as these textiles are intended for wearable applications, we have assessed their wear abrasion and consequently provide surface resistance measurements which can affect the lifetime and efficiency of charge collection in the piezoelectric textile structures. The results show that the novel smart fabric with a measured porosity of 68% had good air (1855l/m(2)/s) and water vapour permeability (1.34g/m(2)/day) values, good wear abrasion resistance over 60,000 rotations applied by a load of 12kPa and bursting strength higher than 2400kPa. Moreover, the antibacterial activity of 3-D piezoelectric fabrics revealed that owing to the use of Ag/PA66 yarns, the textiles exhibit excellent antibacterial activity against not only Gram-negative bacteria E. coli but they are also capable of killing antibiotic methicillin-resistant bacteria S. aureus.
机译：为了实现便携式低功耗设备和传感器，对按需电源的需求不断增长，因此有必要在新型的能量收集材料和设备中开展工作。在最近的工作中，我们演示了三维（3-D）垫片全纤维压电纺织品的生产和适用性，这些纺织品可将机械能转换为电能以用于可穿戴和技术应用。目前的工作是研究这些3-D压电织物的纺织性能，包括孔隙率，透气性，水蒸气透过率和破裂强度。此外，由于这些纺织品旨在用于可穿戴应用，因此我们评估了它们的磨损量，因此提供了表面电阻测量值，该值会影响压电纺织结构中的寿命和电荷收集效率。结果表明，具有68％的测量孔隙度的新型智能织物具有良好的空气（1855l / m（2）/ s）和水蒸气渗透性（1.34g / m（2）/ day）值，在24小时内具有良好的耐磨性在12kPa的负载下施加60,000转，破裂强度高于2400kPa。此外，3-D压电织物的抗菌活性表明，由于使用了Ag / PA66纱线，这些织物不仅对革兰氏阴性细菌大肠杆菌表现出优异的抗菌活性，而且还能够杀死耐甲氧西林的抗生素。细菌金黄色葡萄球菌。

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