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Biomimetic high performance artificial muscle built on sacrificial coordination network and mechanical training process

Zhikai Tu1*, Weifeng Liu1*, Jin Wang2*, Jinhao Huang1*, Jinxing Li1*, Hongming Lou1*, Xueqing Qiu3*

1 School of Chemistry and Chemical Engineering, Guangdong Engineering Research Center for Green Fine Chemicals, South China University of Technology, Guangzhou 510640, P. R. China.

2 The National Engineering Research Center of Novel Equipment for Polymer Processing, School of Mechanical & Automotive Engineering, South China University of Technology, Guangzhou 510640, P. R. China.

3 School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, P. R. China.

* Corresponding authors emails: gunzi00@126.com, weifengliu@scut.edu.cn, wangjinscut@scut.edu.cn, cejhhuang@scut.edu.cn, 2860597780@qq.com, cehmLou@scut.edu.cn, qxq@gdut.edu.cn
DOI10.24435/materialscloud:9a-7y [version v1]

Publication date: Feb 07, 2021

How to cite this record

Zhikai Tu, Weifeng Liu, Jin Wang, Jinhao Huang, Jinxing Li, Hongming Lou, Xueqing Qiu, Biomimetic high performance artificial muscle built on sacrificial coordination network and mechanical training process, Materials Cloud Archive 2021.29 (2021), doi: 10.24435/materialscloud:9a-7y.

Description

Artificial muscle materials promise incredible applications in actuators, robotics and medical apparatus, yet the ability to mimic the full characteristics of skeletal muscles into synthetic materials remains a huge challenge. Herein, inspired by the dynamic sacrificial bonds in biomaterials and the self-strengthening of skeletal muscles by physical exercise, high performance artificial muscle material is prepared by rearrangement of sacrificial coordination bonds in the polyolefin elastomer via a repetitive mechanical training process. Biomass lignin is incorporated as a green reinforcer for the construction of interfacial coordination bonds. The prepared artificial muscle material exhibits high actuation strain (>40%), high actuation stress (1.5 MPa) which can lift more than 10000 times its own weight with 30% strain, characteristics of excellent self-strengthening by mechanical training, strain-adaptive stiffening, and heat/electric programmable actuation performance. In this work, we show a facile strategyfor the fabrication of intelligent materials using easily available raw materials.

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External references

Journal reference
Z. Tu, W. Liu, J. Wang, J. Huang, J. Li, H. Lou, X. Qiu (in preparation)

Keywords

artificial muscle materials mechanical training sacrificial coordination bonds self-strengthening strain-adaptive stiffening programmable actuation lignin

Version history:

2021.29 (version v1) [This version] Feb 07, 2021 DOI10.24435/materialscloud:9a-7y