Freezing-tolerant and robust gelatin-based supramolecular conductive hydrogels with double-network structure for wearable sensors

It is significant to design stretchable conductive hydrogels with high integrated mechanical and excellent anti-freezing performances for broadening their application fields. Herein, a freezing-tolerant and robust poly(N-hydroxymethyl acrylamide)/gelatin/glycerol supramolecular conductive hydrogel w...

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Autores principales:	Jia Yang, Xiangbin Sun, Qiong Kang, Lin Zhu, Gang Qin, Qiang Chen
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Anti-freeze Supramolecular conductive hydrogels Double networks High strength Sensor Polymers and polymer manufacture TP1080-1185
Acceso en línea:	https://doaj.org/article/974d8563323b4693b1b188b29cece257
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spelling	oai:doaj.org-article:974d8563323b4693b1b188b29cece2572021-11-24T04:23:40ZFreezing-tolerant and robust gelatin-based supramolecular conductive hydrogels with double-network structure for wearable sensors0142-941810.1016/j.polymertesting.2020.106879https://doaj.org/article/974d8563323b4693b1b188b29cece2572021-01-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S0142941820321085https://doaj.org/toc/0142-9418It is significant to design stretchable conductive hydrogels with high integrated mechanical and excellent anti-freezing performances for broadening their application fields. Herein, a freezing-tolerant and robust poly(N-hydroxymethyl acrylamide)/gelatin/glycerol supramolecular conductive hydrogel with double networks is synthesized via an one-pot method, where poly(N-hydroxymethyl acrylamide) can self-cross-link, and also interact with gelatin. Glycerol endows the conductive hydrogel with anti-freezing property in mechanics and electricity, and can also interact with poly(N-hydroxymethyl acrylamide) and gelatin to further enhance mechanical properties. Under optimal conditions, the conductive hydrogel exhibits high strength, super extensibility, rapid self-recovery, excellent fatigue resistance and high ionic conductivity. It possesses temperature insensitivity of mechanical properties and weak dependence of electrical behaviors on temperature. Furthermore, it exhibits excellent anti-freezing resistance response to strain, and can as sensor detect human activities. Thus, this work provides a simple and promising strategy for designing stretchable conductive gels with integrated high performances aiming for wearable intelligent electronics.Jia YangXiangbin SunQiong KangLin ZhuGang QinQiang ChenElsevierarticleAnti-freezeSupramolecular conductive hydrogelsDouble networksHigh strengthSensorPolymers and polymer manufactureTP1080-1185ENPolymer Testing, Vol 93, Iss , Pp 106879- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Anti-freeze Supramolecular conductive hydrogels Double networks High strength Sensor Polymers and polymer manufacture TP1080-1185
spellingShingle	Anti-freeze Supramolecular conductive hydrogels Double networks High strength Sensor Polymers and polymer manufacture TP1080-1185 Jia Yang Xiangbin Sun Qiong Kang Lin Zhu Gang Qin Qiang Chen Freezing-tolerant and robust gelatin-based supramolecular conductive hydrogels with double-network structure for wearable sensors
description	It is significant to design stretchable conductive hydrogels with high integrated mechanical and excellent anti-freezing performances for broadening their application fields. Herein, a freezing-tolerant and robust poly(N-hydroxymethyl acrylamide)/gelatin/glycerol supramolecular conductive hydrogel with double networks is synthesized via an one-pot method, where poly(N-hydroxymethyl acrylamide) can self-cross-link, and also interact with gelatin. Glycerol endows the conductive hydrogel with anti-freezing property in mechanics and electricity, and can also interact with poly(N-hydroxymethyl acrylamide) and gelatin to further enhance mechanical properties. Under optimal conditions, the conductive hydrogel exhibits high strength, super extensibility, rapid self-recovery, excellent fatigue resistance and high ionic conductivity. It possesses temperature insensitivity of mechanical properties and weak dependence of electrical behaviors on temperature. Furthermore, it exhibits excellent anti-freezing resistance response to strain, and can as sensor detect human activities. Thus, this work provides a simple and promising strategy for designing stretchable conductive gels with integrated high performances aiming for wearable intelligent electronics.
format	article
author	Jia Yang Xiangbin Sun Qiong Kang Lin Zhu Gang Qin Qiang Chen
author_facet	Jia Yang Xiangbin Sun Qiong Kang Lin Zhu Gang Qin Qiang Chen
author_sort	Jia Yang
title	Freezing-tolerant and robust gelatin-based supramolecular conductive hydrogels with double-network structure for wearable sensors
title_short	Freezing-tolerant and robust gelatin-based supramolecular conductive hydrogels with double-network structure for wearable sensors
title_full	Freezing-tolerant and robust gelatin-based supramolecular conductive hydrogels with double-network structure for wearable sensors
title_fullStr	Freezing-tolerant and robust gelatin-based supramolecular conductive hydrogels with double-network structure for wearable sensors
title_full_unstemmed	Freezing-tolerant and robust gelatin-based supramolecular conductive hydrogels with double-network structure for wearable sensors
title_sort	freezing-tolerant and robust gelatin-based supramolecular conductive hydrogels with double-network structure for wearable sensors
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/974d8563323b4693b1b188b29cece257
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Freezing-tolerant and robust gelatin-based supramolecular conductive hydrogels with double-network structure for wearable sensors

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