Manufacturing a soft actuator/sensor integrated structure via multi-material direct writing processes technology

This paper describes a new actuator/sensor integrated structure fabricated via direct writing technique in which ionic polymer–metal composites (IPMCs) are used for actuators, and carbon nanotubes (CNTs) doped in polydimethylsiloxane (PDMS) were used for the sensors. First, we developed Nafion inks...

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Autores principales:	Bin Luo, Yiding Zhong, Hualing Chen, Zicai Zhu, Yanjie Wang
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Direct writing Multiwalled carbon nanotubes (CNTs) Polydimethylsiloxane Rheological behavior Ionic polymer-metal composites Actuator/sensor integrated structure Polymers and polymer manufacture TP1080-1185
Acceso en línea:	https://doaj.org/article/daa13f3927fc40a698572bebf8fbe736
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spelling	oai:doaj.org-article:daa13f3927fc40a698572bebf8fbe7362021-11-14T04:27:52ZManufacturing a soft actuator/sensor integrated structure via multi-material direct writing processes technology0142-941810.1016/j.polymertesting.2021.107382https://doaj.org/article/daa13f3927fc40a698572bebf8fbe7362021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S0142941821003275https://doaj.org/toc/0142-9418This paper describes a new actuator/sensor integrated structure fabricated via direct writing technique in which ionic polymer–metal composites (IPMCs) are used for actuators, and carbon nanotubes (CNTs) doped in polydimethylsiloxane (PDMS) were used for the sensors. First, we developed Nafion inks and CNT-PDMS composite inks with rheological properties tailored for direct writing. CNT-PDMS composite inks with a 4 wt% CNT concentration were three-dimensionally-printed in a Nafion structure to create an IPMC actuator structure; the CNT-PDMS composite was fabricated into a large array of strain sensors that were able to measure the bending deformation of the IPMC. A CNT-PDMS scaffold structure was semi-embedded in the Nafion structure via direct writing using CNT-PDMS composite inks with a 7 wt% CNT concentration to sense the external pressure and temperature of the IPMC actuator. Palladium and gold electrodes were applied on the surfaces of the Nafion/CNT-PDMS structure through an electroless plating and electroplating process, which enabled the three-dimensionally-printed Nafion/CNT-PDMS integrated structure to form an IPMC/CNT-PDMS integrated structure that could be actuated by voltage signals. The actuating/sensing integrated performances were tested to determine their feasibility and for using direct writing to create a smart structure that had both actuator and sensor functions and that could be used in a wide range of fields, such as micro-robotics, biomedicine, and medical science.Bin LuoYiding ZhongHualing ChenZicai ZhuYanjie WangElsevierarticleDirect writingMultiwalled carbon nanotubes (CNTs)PolydimethylsiloxaneRheological behaviorIonic polymer-metal compositesActuator/sensor integrated structurePolymers and polymer manufactureTP1080-1185ENPolymer Testing, Vol 104, Iss , Pp 107382- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Direct writing Multiwalled carbon nanotubes (CNTs) Polydimethylsiloxane Rheological behavior Ionic polymer-metal composites Actuator/sensor integrated structure Polymers and polymer manufacture TP1080-1185
spellingShingle	Direct writing Multiwalled carbon nanotubes (CNTs) Polydimethylsiloxane Rheological behavior Ionic polymer-metal composites Actuator/sensor integrated structure Polymers and polymer manufacture TP1080-1185 Bin Luo Yiding Zhong Hualing Chen Zicai Zhu Yanjie Wang Manufacturing a soft actuator/sensor integrated structure via multi-material direct writing processes technology
description	This paper describes a new actuator/sensor integrated structure fabricated via direct writing technique in which ionic polymer–metal composites (IPMCs) are used for actuators, and carbon nanotubes (CNTs) doped in polydimethylsiloxane (PDMS) were used for the sensors. First, we developed Nafion inks and CNT-PDMS composite inks with rheological properties tailored for direct writing. CNT-PDMS composite inks with a 4 wt% CNT concentration were three-dimensionally-printed in a Nafion structure to create an IPMC actuator structure; the CNT-PDMS composite was fabricated into a large array of strain sensors that were able to measure the bending deformation of the IPMC. A CNT-PDMS scaffold structure was semi-embedded in the Nafion structure via direct writing using CNT-PDMS composite inks with a 7 wt% CNT concentration to sense the external pressure and temperature of the IPMC actuator. Palladium and gold electrodes were applied on the surfaces of the Nafion/CNT-PDMS structure through an electroless plating and electroplating process, which enabled the three-dimensionally-printed Nafion/CNT-PDMS integrated structure to form an IPMC/CNT-PDMS integrated structure that could be actuated by voltage signals. The actuating/sensing integrated performances were tested to determine their feasibility and for using direct writing to create a smart structure that had both actuator and sensor functions and that could be used in a wide range of fields, such as micro-robotics, biomedicine, and medical science.
format	article
author	Bin Luo Yiding Zhong Hualing Chen Zicai Zhu Yanjie Wang
author_facet	Bin Luo Yiding Zhong Hualing Chen Zicai Zhu Yanjie Wang
author_sort	Bin Luo
title	Manufacturing a soft actuator/sensor integrated structure via multi-material direct writing processes technology
title_short	Manufacturing a soft actuator/sensor integrated structure via multi-material direct writing processes technology
title_full	Manufacturing a soft actuator/sensor integrated structure via multi-material direct writing processes technology
title_fullStr	Manufacturing a soft actuator/sensor integrated structure via multi-material direct writing processes technology
title_full_unstemmed	Manufacturing a soft actuator/sensor integrated structure via multi-material direct writing processes technology
title_sort	manufacturing a soft actuator/sensor integrated structure via multi-material direct writing processes technology
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/daa13f3927fc40a698572bebf8fbe736
work_keys_str_mv	AT binluo manufacturingasoftactuatorsensorintegratedstructureviamultimaterialdirectwritingprocessestechnology AT yidingzhong manufacturingasoftactuatorsensorintegratedstructureviamultimaterialdirectwritingprocessestechnology AT hualingchen manufacturingasoftactuatorsensorintegratedstructureviamultimaterialdirectwritingprocessestechnology AT zicaizhu manufacturingasoftactuatorsensorintegratedstructureviamultimaterialdirectwritingprocessestechnology AT yanjiewang manufacturingasoftactuatorsensorintegratedstructureviamultimaterialdirectwritingprocessestechnology
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Manufacturing a soft actuator/sensor integrated structure via multi-material direct writing processes technology

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