Zirconium Hydroxide Cross-linked Nanocomposite Hydrogel with High Mechanical Strength and Fast Electro-Response,ACS Applied Polymer Materials

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Zirconium Hydroxide Cross-linked Nanocomposite Hydrogel with High Mechanical Strength and Fast Electro-Response
ACS Applied Polymer Materials ( IF 4.4 ) Pub Date : 2020-08-12 , DOI: 10.1021/acsapm.0c00504
Haoyang Jiang ₁ , Jianguo Tang ₁

Affiliation

Electro-responsive hydrogel actuators have attracted considerable interest because of their low power usage and accurately modulated capability. However, they still have disadvantages such as their poor mechanical strength and low Young’s modulus. Here, we present a polymer hydrogel actuator showing high mechanical tensile strength (2 MPa) and Young’s modulus (1.2 MPa). This polymer hydrogel was cross-linked by the zirconium hydroxide nanoparticles, exhibiting fast and notable response to the electric signals. Furthermore, the bending direction could be reversed by turning the electric field orientation, and the actuation angle, and actuation rate could be modulated through altering the composition of hydrogel. This developed polymer hydrogel actuator is expected to be an attractive candidate for the next-generation smart microfluidic valves and soft robotics.

中文翻译：

具有高机械强度和快速电响应的氢氧化锆交联纳米复合水凝胶

电响应水凝胶致动器由于其低功耗和精确调制的能力而引起了人们的极大兴趣。但是，它们仍然具有诸如机械强度差和杨氏模量低的缺点。在这里，我们介绍了一种聚合物水凝胶致动器，其表现出高的机械拉伸强度（2 MPa）和杨氏模量（1.2 MPa）。该聚合物水凝胶被氢氧化锆纳米粒子交联，表现出对电信号的快速且显着的响应。此外，可以通过改变电场方向来改变弯曲方向，并且可以通过改变水凝胶的组成来调节致动角和致动速率。

更新日期：2020-09-11

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