Super Robust, Anti-Bacterial Polyurethane Ionogel with High Sensitivity and Hydrophobicity

IF 0.6 4区工程技术 Q4 CHEMISTRY, APPLIED

Journal of The American Leather Chemists Association Pub Date : 2024-01-02 DOI:10.34314/jalca.v119i1.8293

Wei Wang, Shiyang Yan, Yihong Zhao, Hao Liu, Luming Yang, Biyu Peng

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引用次数: 0

Abstract

Ionogel based on ionic liquids plays a vital role in wearable electronic devices. In this study, a robust and anti-bacterial ionogel with high sensitivity and hydrophobicity is synthesized by adding 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide to thermoplastic polyurethanes at a ratio of 1:1. The ionogel not only demonstrates tensile strength of 23.1 MPa and elongation at break of 1008%, but also exhibits excellent fatigue resistance with low residual strain (8%) and small hysteresis loop. Ionic liquid makes the ionogel have high-temperature stability (T5% near 300°C) and low Tg (-63.3°C). Due to the anti-bacterial property of ionic liquid, the ionogel formed by ionic liquid has anti-bacterial property, with up to 99% inhibition against E. coli and S. aureus. The sensor prepared with the ionogel shows a Gauge Factor of 1.8, with a short response time (128 ms) and a stable induction signal under water and at low temperature. Due to those performance characteristics, we believe that the study could provide insights for subsequent research on ionogel-based wearable electronic devices, for instance, the development of electronic skin in the leather industry

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具有高灵敏度和疏水性的超强抗菌聚氨酯离子凝胶

基于离子液体的离子凝胶在可穿戴电子设备中发挥着重要作用。本研究以 1:1 的比例在热塑性聚氨酯中加入 1-乙基-3-甲基咪唑鎓双(三氟甲基磺酰基)亚胺，合成了一种具有高灵敏度和疏水性的坚固抗菌离子凝胶。这种离子凝胶不仅具有 23.1 兆帕的拉伸强度和 1008% 的断裂伸长率，而且还具有出色的抗疲劳性能，残余应变低（8%），滞后环小。离子液体使离子凝胶具有高温稳定性（T5% 接近 300°C）和低 Tg（-63.3°C）。由于离子液体的抗菌特性，离子液体形成的离子凝胶具有抗菌性能，对大肠杆菌和金黄色葡萄球菌的抑制率高达 99%。用离子凝胶制备的传感器的测量系数为 1.8，响应时间短（128 毫秒），在水下和低温条件下感应信号稳定。基于这些性能特点，我们认为这项研究可为基于离子凝胶的可穿戴电子设备的后续研究提供启示，例如皮革业中电子皮肤的开发。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of The American Leather Chemists Association 工程技术-材料科学：纺织

CiteScore

1.30

自引率

33.30%

发文量

审稿时长

3 months

期刊介绍： The Journal of the American Leather Chemists Association publishes manuscripts on all aspects of leather science, engineering, technology, and economics, and will consider related subjects that address concerns of the industry. Examples: hide/skin quality or utilization, leather production methods/equipment, tanning materials/leather chemicals, new and improved leathers, collagen studies, leather by-products, impacts of changes in leather products industries, process efficiency, sustainability, regulatory, safety, environmental, tannery waste management and industry economics.