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Ultrastretchable, Adhesive, Anti-freezing, Conductive, and Self-Healing Hydrogel for Wearable Devices
ACS Applied Polymer Materials ( IF 4.4 ) Pub Date : 2022-02-15 , DOI: 10.1021/acsapm.1c01618 Xiaoli Zhao 1 , Huanxia Wang 1 , Jinni Luo 1 , Guanglei Ren 2 , Jinfei Wang 1 , Yuan Chen 1 , Pengxiang Jia 1
ACS Applied Polymer Materials ( IF 4.4 ) Pub Date : 2022-02-15 , DOI: 10.1021/acsapm.1c01618 Xiaoli Zhao 1 , Huanxia Wang 1 , Jinni Luo 1 , Guanglei Ren 2 , Jinfei Wang 1 , Yuan Chen 1 , Pengxiang Jia 1
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Ultrastretchable, conductive, and autonomous adhesive hydrogels have attracted serious concern due to their wide and promising application in soft electronics, wearable strain sensors, and personal health monitoring. However, traditional hydrogels would lose their properties at subzero temperature, which greatly restricts their applications in a variety of fields. Herein, we fabricated an ionic conductive cellulose hydrogel with ultrastretchable, adhesive, anti-freezing, and self-healing properties. The obtained hydrogel displays ultrastretchability (3280% of tensile strain), anti-freezing property (−32 °C), high conductivity (2.0 S/m at 20 °C, 1.4 S/m at −20 °C), and good self-healing ability. The hydrogel also showed excellent adhesion performance under a broad range of temperatures (9.6 kPa at 20 °C, 5.5 kPa at −20 °C). In addition, the hydrogel-based sensor demonstrated high strain sensitivity and quick responsivity to various human movements. Thus, this work provided a simple pathway to prepare an adhesive, anti-freezing, conductive, and self-healing hydrogel as human motion detection devices.
中文翻译：
用于可穿戴设备的超拉伸、粘合、防冻、导电和自愈水凝胶
超拉伸、导电和自主粘合水凝胶因其在软电子、可穿戴应变传感器和个人健康监测中的广泛而有前景的应用而引起了人们的广泛关注。然而，传统的水凝胶在零下温度下会失去其性能，这极大地限制了它们在各个领域的应用。在这里，我们制造了一种离子导电纤维素水凝胶，具有超拉伸、粘合、抗冻和自愈特性。获得的水凝胶具有超拉伸性（3280% 的拉伸应变）、抗冻性能（-32 °C）、高电导率（20 °C 时为 2.0 S/m，-20 °C 时为 1.4 S/m）和良好的自- 治疗能力。该水凝胶还在宽泛的温度范围内（20 °C 时为 9.6 kPa，-20 °C 时为 5.5 kPa）显示出优异的粘附性能。此外，基于水凝胶的传感器表现出高应变灵敏度和对各种人体运动的快速响应。因此，这项工作提供了一种简单的途径来制备粘合剂、防冻、导电和自愈水凝胶作为人体运动检测装置。
更新日期：2022-02-15
中文翻译：
用于可穿戴设备的超拉伸、粘合、防冻、导电和自愈水凝胶
超拉伸、导电和自主粘合水凝胶因其在软电子、可穿戴应变传感器和个人健康监测中的广泛而有前景的应用而引起了人们的广泛关注。然而，传统的水凝胶在零下温度下会失去其性能，这极大地限制了它们在各个领域的应用。在这里，我们制造了一种离子导电纤维素水凝胶，具有超拉伸、粘合、抗冻和自愈特性。获得的水凝胶具有超拉伸性（3280% 的拉伸应变）、抗冻性能（-32 °C）、高电导率（20 °C 时为 2.0 S/m，-20 °C 时为 1.4 S/m）和良好的自- 治疗能力。该水凝胶还在宽泛的温度范围内（20 °C 时为 9.6 kPa，-20 °C 时为 5.5 kPa）显示出优异的粘附性能。此外，基于水凝胶的传感器表现出高应变灵敏度和对各种人体运动的快速响应。因此，这项工作提供了一种简单的途径来制备粘合剂、防冻、导电和自愈水凝胶作为人体运动检测装置。
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