Wang Shu, Pu Jianyu, Xu Shuquan, Tian Yuanhao, Shu Qian, Zou Rui, Zhang Tonghua
State Key Laboratory of Resource Insects, College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing 400715, China.
College of Aerospace Engineering, Chongqing University, 174 Shazheng St., Shapingba District, Chongqing 400044, China.
Polymers (Basel). 2024 May 30;16(11):1544. doi: 10.3390/polym16111544.
The development of smart protective clothing will help detect injuries from contact sports, traffic collisions, and other accidents. The combination of ecoflex, spacer fabric, and graphene-based aerogel provides a multifunctional composite. It shows a strain sensitivity of 17.71 at the strain range of 4055%, a pressure sensitivity of 0.125 kPa at the pressure range of 015 kPa, and a temperature sensitivity of -0.648 °C. After 50 impact tests, its protection coefficient only dropped from 60% to 55%. Additionally, it shows thermal insulation properties. The compression and impact process results of finite element numerical simulation analysis are in good agreement with the experimental results. The ecoflex/aerogel/spacer fabric sensor exhibits a simple structure, large pressure strain, high sensitivity, flexibility, and ease of fabrication, making it a candidate for smart protective clothing resistant to impact loads.
智能防护服的研发将有助于检测接触性运动、交通碰撞及其他事故造成的损伤。生态弹性体、间隔织物和石墨烯基气凝胶的组合提供了一种多功能复合材料。它在40%至55%的应变范围内显示出17.71的应变灵敏度，在0至15 kPa的压力范围内显示出0.125 kPa的压力灵敏度，以及-0.648 °C的温度灵敏度。经过50次冲击测试后，其保护系数仅从60%降至55%。此外，它还具有隔热性能。有限元数值模拟分析的压缩和冲击过程结果与实验结果吻合良好。生态弹性体/气凝胶/间隔织物传感器结构简单、压力应变大、灵敏度高、柔韧性好且易于制造，使其成为耐冲击载荷智能防护服的候选材料。
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