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Fast Triggering of Shape Memory Polymers using an Embedded Carbon Nanotube Sponge Network

In this work, a 3-D porous carbon nanotube sponge (CNTS) was embedded within a shape memory polymer (SMPs) matrix. We demonstrate complete infiltration and filling of the SMPs into the CNTS by capillary force without any damage to the CNTS structure. With only ~0.2 wt% carbon nanotube loading, the g...

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Autores principales: Zhou, Guoxiang, Zhang, Heng, Xu, Shuping, Gui, Xuchun, Wei, Hongqiu, Leng, Jinsong, Koratkar, Nikhil, Zhong, Jing
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group 2016
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4823720/
https://www.ncbi.nlm.nih.gov/pubmed/27052451
http://dx.doi.org/10.1038/srep24148
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author Zhou, Guoxiang
Zhang, Heng
Xu, Shuping
Gui, Xuchun
Wei, Hongqiu
Leng, Jinsong
Koratkar, Nikhil
Zhong, Jing
author_facet Zhou, Guoxiang
Zhang, Heng
Xu, Shuping
Gui, Xuchun
Wei, Hongqiu
Leng, Jinsong
Koratkar, Nikhil
Zhong, Jing
author_sort Zhou, Guoxiang
collection PubMed
description In this work, a 3-D porous carbon nanotube sponge (CNTS) was embedded within a shape memory polymer (SMPs) matrix. We demonstrate complete infiltration and filling of the SMPs into the CNTS by capillary force without any damage to the CNTS structure. With only ~0.2 wt% carbon nanotube loading, the glass transition temperature is increased by ~20 °C, indicating strong interaction between CNTS and the SMPs matrix. Further, we find that the uniform distribution of the carbon nanotubes in the nanocomposite results in high electrical conductivity, and thus highly effective electricity triggering capability. The carbon nanotube sponge shape memory polymer (CNTS/SMPs) nanocomposite could be triggered within ~10 seconds by the application of ~10 volts. Results from finite element simulations showed good agreement with the experimental results, and indicated that for our system the interface thermal energy loss does not have a significant effect on the heating rate of the polymer matrix.
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spelling pubmed-48237202016-04-18 Fast Triggering of Shape Memory Polymers using an Embedded Carbon Nanotube Sponge Network Zhou, Guoxiang Zhang, Heng Xu, Shuping Gui, Xuchun Wei, Hongqiu Leng, Jinsong Koratkar, Nikhil Zhong, Jing Sci Rep Article In this work, a 3-D porous carbon nanotube sponge (CNTS) was embedded within a shape memory polymer (SMPs) matrix. We demonstrate complete infiltration and filling of the SMPs into the CNTS by capillary force without any damage to the CNTS structure. With only ~0.2 wt% carbon nanotube loading, the glass transition temperature is increased by ~20 °C, indicating strong interaction between CNTS and the SMPs matrix. Further, we find that the uniform distribution of the carbon nanotubes in the nanocomposite results in high electrical conductivity, and thus highly effective electricity triggering capability. The carbon nanotube sponge shape memory polymer (CNTS/SMPs) nanocomposite could be triggered within ~10 seconds by the application of ~10 volts. Results from finite element simulations showed good agreement with the experimental results, and indicated that for our system the interface thermal energy loss does not have a significant effect on the heating rate of the polymer matrix. Nature Publishing Group 2016-04-07 /pmc/articles/PMC4823720/ /pubmed/27052451 http://dx.doi.org/10.1038/srep24148 Text en Copyright © 2016, Macmillan Publishers Limited http://creativecommons.org/licenses/by/4.0/ This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
spellingShingle Article
Zhou, Guoxiang
Zhang, Heng
Xu, Shuping
Gui, Xuchun
Wei, Hongqiu
Leng, Jinsong
Koratkar, Nikhil
Zhong, Jing
Fast Triggering of Shape Memory Polymers using an Embedded Carbon Nanotube Sponge Network
title Fast Triggering of Shape Memory Polymers using an Embedded Carbon Nanotube Sponge Network
title_full Fast Triggering of Shape Memory Polymers using an Embedded Carbon Nanotube Sponge Network
title_fullStr Fast Triggering of Shape Memory Polymers using an Embedded Carbon Nanotube Sponge Network
title_full_unstemmed Fast Triggering of Shape Memory Polymers using an Embedded Carbon Nanotube Sponge Network
title_short Fast Triggering of Shape Memory Polymers using an Embedded Carbon Nanotube Sponge Network
title_sort fast triggering of shape memory polymers using an embedded carbon nanotube sponge network
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4823720/
https://www.ncbi.nlm.nih.gov/pubmed/27052451
http://dx.doi.org/10.1038/srep24148
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