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Published on: February 6, 2016
Arabinoxylan-reinforced bio-based polymerizable deep eutectic solvent gels for flexible sensing and thermal warning
Yanji Cui1, Xiaoqiu Zhong1, Zhihao Du2
1Shandong Key Laboratory of Polymeric Materials Recycling and Upcycling, Institute of Functional Textiles and Advanced Materials, College of Textiles and Clothing, Qingdao University, Qingdao, 266071, China.
Abstract:
Flexible, eco-friendly, and conductive gels are urgently needed for next-generation wearable sensors and safety monitoring devices. Herein, an arabinoxylan-enhanced, fully bio-based arabinoxylan/poly(itaconic acid)-choline chloride-glycerol (AX/PICG) conductive gel with a dynamic hydrogen-bond cross-linking network was developed. The AX/PICG gels exhibited enhanced mechanical properties, with tensile strength and modulus reaching 1008 kPa and 606 kPa at optimal AX loading. The gels combined high visible light transparency (>80%), outstanding UV-shielding, and anti-freeze performance without phase transitions down to -50 °C. Moreover, they demonstrated tunable ionic conductivity, strain sensitivity, self-healing conductivity. Practical applications were verified through real-time detection of body activities, and thermal alarm demonstrations. These results establish the AX/PICG gel as sustainable, multifunctional platforms for wearable strain sensors and early-warning devices.
