A highly flexible and stretchable ionic artificial muscle

•An ionic electroactive polymer based on polyvinyl alcohol was developed (PA-iEAP).•The PA-iEAP had excellent electromechanical properties and tensile properties.•A bionic grip is fabricated by observing the bending mechanism of mimosa. [Display omitted] It is well known that ionic electroactive pol...

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Veröffentlicht in:Sensors and actuators. A. Physical. 2021-12, Vol.332, p.113190, Article 113190
Hauptverfasser: Xu, Haoyan, Han, Chuanlong, Liu, Xi, Li, Zhaoxin, Liu, Jiuqing, Sun, Zhuangzhi
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container_start_page 113190
container_title Sensors and actuators. A. Physical.
container_volume 332
creator Xu, Haoyan
Han, Chuanlong
Liu, Xi
Li, Zhaoxin
Liu, Jiuqing
Sun, Zhuangzhi
description •An ionic electroactive polymer based on polyvinyl alcohol was developed (PA-iEAP).•The PA-iEAP had excellent electromechanical properties and tensile properties.•A bionic grip is fabricated by observing the bending mechanism of mimosa. [Display omitted] It is well known that ionic electroactive polymer (iEAP)-like artificial muscles with a faster response, greater strength and better tensile strength are critical to improve the electromechanical properties and expand their applications in wearable devices, soft sensors and actuators. Recently, polyvinyl alcohol (PA) hydrogels have greatly attracted attention because of their good tensile properties and biocompatibility. Thus, an ionic electroactive polymer with outstanding flexibility and excellent stretchability was developed based on the plasticizing treatment method by polyvinyl alcohol cross-linked with acrylamide in this work (PA-iEAP). The results showed that the tensile properties and electromechanical properties of PA-iEAP were greatly improved. Additionally, the output force and the peak deflection displacement of PA-iEAP reached 1.6 and 2.73 times those without plasticizing treatment, respectively. A bionic grip fabricated by PA-iEAP imitating mimosa was demonstrated. This work illustrated a kind of green ionic electroactive polymer with a simple method, low cost and outstanding tensile potential, which is very promising for improving the electromechanical properties of artificial muscles in the biomedical field and bionic robotics.
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[Display omitted] It is well known that ionic electroactive polymer (iEAP)-like artificial muscles with a faster response, greater strength and better tensile strength are critical to improve the electromechanical properties and expand their applications in wearable devices, soft sensors and actuators. Recently, polyvinyl alcohol (PA) hydrogels have greatly attracted attention because of their good tensile properties and biocompatibility. Thus, an ionic electroactive polymer with outstanding flexibility and excellent stretchability was developed based on the plasticizing treatment method by polyvinyl alcohol cross-linked with acrylamide in this work (PA-iEAP). The results showed that the tensile properties and electromechanical properties of PA-iEAP were greatly improved. Additionally, the output force and the peak deflection displacement of PA-iEAP reached 1.6 and 2.73 times those without plasticizing treatment, respectively. A bionic grip fabricated by PA-iEAP imitating mimosa was demonstrated. This work illustrated a kind of green ionic electroactive polymer with a simple method, low cost and outstanding tensile potential, which is very promising for improving the electromechanical properties of artificial muscles in the biomedical field and bionic robotics.</description><identifier>ISSN: 0924-4247</identifier><identifier>EISSN: 1873-3069</identifier><identifier>DOI: 10.1016/j.sna.2021.113190</identifier><language>eng</language><publisher>LAUSANNE: Elsevier B.V</publisher><subject>Acrylamide ; Actuators ; Artificial muscle ; Artificial muscles ; Automation ; Biocompatibility ; Bionics ; Electroactive polymers ; Engineering ; Engineering, Electrical &amp; Electronic ; Hydrogels ; Instruments &amp; Instrumentation ; Ionic ; Manufacturing engineering ; Mechanical properties ; Microstructure ; Mimosa ; Polymers ; Polyvinyl alcohol ; Robotics ; Science &amp; Technology ; Stretchability ; Technology ; Tensile properties ; Tensile strength ; Wearable technology</subject><ispartof>Sensors and actuators. 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A. Physical.</title><addtitle>SENSOR ACTUAT A-PHYS</addtitle><description>•An ionic electroactive polymer based on polyvinyl alcohol was developed (PA-iEAP).•The PA-iEAP had excellent electromechanical properties and tensile properties.•A bionic grip is fabricated by observing the bending mechanism of mimosa. [Display omitted] It is well known that ionic electroactive polymer (iEAP)-like artificial muscles with a faster response, greater strength and better tensile strength are critical to improve the electromechanical properties and expand their applications in wearable devices, soft sensors and actuators. Recently, polyvinyl alcohol (PA) hydrogels have greatly attracted attention because of their good tensile properties and biocompatibility. Thus, an ionic electroactive polymer with outstanding flexibility and excellent stretchability was developed based on the plasticizing treatment method by polyvinyl alcohol cross-linked with acrylamide in this work (PA-iEAP). 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subjects Acrylamide
Actuators
Artificial muscle
Artificial muscles
Automation
Biocompatibility
Bionics
Electroactive polymers
Engineering
Engineering, Electrical & Electronic
Hydrogels
Instruments & Instrumentation
Ionic
Manufacturing engineering
Mechanical properties
Microstructure
Mimosa
Polymers
Polyvinyl alcohol
Robotics
Science & Technology
Stretchability
Technology
Tensile properties
Tensile strength
Wearable technology
title A highly flexible and stretchable ionic artificial muscle
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