A facile strategy for observation of helical carbon nanofiber fillers in polymer matrix under different stresses

Dispersion of fillers in polymer substrates is crucial to the mechanical performance of filler/polymer composites. Kinds of methods have been utilized to assess the dispersion of fillers in polymer. However, it still keeps difficulties in observing the dispersion of fillers and plausible structure c...

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Autores principales:	Wei Zhang, Suyi Liu, Yong Gong, Yiguo Zhang, Jian Chen, Qingshan Fu
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Fillers dispersion Polymer composite Different stress states Helical carbon nanofibers Scanning probe microscopy Polymers and polymer manufacture TP1080-1185
Acceso en línea:	https://doaj.org/article/4813804cf0494e4ba37938608f1737c5
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spelling	oai:doaj.org-article:4813804cf0494e4ba37938608f1737c52021-11-24T04:25:34ZA facile strategy for observation of helical carbon nanofiber fillers in polymer matrix under different stresses0142-941810.1016/j.polymertesting.2020.106977https://doaj.org/article/4813804cf0494e4ba37938608f1737c52021-01-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S0142941820322066https://doaj.org/toc/0142-9418Dispersion of fillers in polymer substrates is crucial to the mechanical performance of filler/polymer composites. Kinds of methods have been utilized to assess the dispersion of fillers in polymer. However, it still keeps difficulties in observing the dispersion of fillers and plausible structure changes of fillers when the filler/polymer hybrids are loaded with variable stresses. Here, an effective tool is designed to load and hold different stresses in filler/polymer hybrids, and combined with embedding process the loaded hybrids can be fixed. In this work, helical carbon nanofibers (HCNFs) are fabricated and added in natural rubber (NR). The HCNFs/NR hybrids are loaded with different stress by the aforementioned tool and then are embedded in solidified adhesion. Flat surfaces on the indurated samples are achieved using microtome cryostat and observed in a scanning probe microscope (SPM). Experimental results show that HCNFs and the rubber matrix do not perform synergistic deformation under the different external forces; when under lower stress the pitch of HCNFs exhibits less elongation than the HCNFs/NR hybrids. While the tensile force increases to a certain extent, HCNFs will be aligned in the direction of the stress direction, leading to the change of dispersion. The mechanically interlock between HNCFs and NR is also demonstrated.Wei ZhangSuyi LiuYong GongYiguo ZhangJian ChenQingshan FuElsevierarticleFillers dispersionPolymer compositeDifferent stress statesHelical carbon nanofibersScanning probe microscopyPolymers and polymer manufactureTP1080-1185ENPolymer Testing, Vol 93, Iss , Pp 106977- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Fillers dispersion Polymer composite Different stress states Helical carbon nanofibers Scanning probe microscopy Polymers and polymer manufacture TP1080-1185
spellingShingle	Fillers dispersion Polymer composite Different stress states Helical carbon nanofibers Scanning probe microscopy Polymers and polymer manufacture TP1080-1185 Wei Zhang Suyi Liu Yong Gong Yiguo Zhang Jian Chen Qingshan Fu A facile strategy for observation of helical carbon nanofiber fillers in polymer matrix under different stresses
description	Dispersion of fillers in polymer substrates is crucial to the mechanical performance of filler/polymer composites. Kinds of methods have been utilized to assess the dispersion of fillers in polymer. However, it still keeps difficulties in observing the dispersion of fillers and plausible structure changes of fillers when the filler/polymer hybrids are loaded with variable stresses. Here, an effective tool is designed to load and hold different stresses in filler/polymer hybrids, and combined with embedding process the loaded hybrids can be fixed. In this work, helical carbon nanofibers (HCNFs) are fabricated and added in natural rubber (NR). The HCNFs/NR hybrids are loaded with different stress by the aforementioned tool and then are embedded in solidified adhesion. Flat surfaces on the indurated samples are achieved using microtome cryostat and observed in a scanning probe microscope (SPM). Experimental results show that HCNFs and the rubber matrix do not perform synergistic deformation under the different external forces; when under lower stress the pitch of HCNFs exhibits less elongation than the HCNFs/NR hybrids. While the tensile force increases to a certain extent, HCNFs will be aligned in the direction of the stress direction, leading to the change of dispersion. The mechanically interlock between HNCFs and NR is also demonstrated.
format	article
author	Wei Zhang Suyi Liu Yong Gong Yiguo Zhang Jian Chen Qingshan Fu
author_facet	Wei Zhang Suyi Liu Yong Gong Yiguo Zhang Jian Chen Qingshan Fu
author_sort	Wei Zhang
title	A facile strategy for observation of helical carbon nanofiber fillers in polymer matrix under different stresses
title_short	A facile strategy for observation of helical carbon nanofiber fillers in polymer matrix under different stresses
title_full	A facile strategy for observation of helical carbon nanofiber fillers in polymer matrix under different stresses
title_fullStr	A facile strategy for observation of helical carbon nanofiber fillers in polymer matrix under different stresses
title_full_unstemmed	A facile strategy for observation of helical carbon nanofiber fillers in polymer matrix under different stresses
title_sort	facile strategy for observation of helical carbon nanofiber fillers in polymer matrix under different stresses
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/4813804cf0494e4ba37938608f1737c5
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A facile strategy for observation of helical carbon nanofiber fillers in polymer matrix under different stresses

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