Collision-induced activation: Towards industrially scalable approach to graphite nanoplatelets functionalization for superior polymer nanocomposites

Abstract Scale-up manufacturing of engineered graphene-like nanomaterials to deliver the industry needs for development of high-performance polymer nanocomposites still remains a challenge. Herein, we introduce a quick and cost-effective approach to scalable production of functionalized graphite nan...

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Autores principales:	Omid Zabihi, Mojtaba Ahmadi, Tahereh Abdollahi, Saeid Nikafshar, Minoo Naebe
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/df8d6c6e17314e10ac665212aee88a79
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spelling	oai:doaj.org-article:df8d6c6e17314e10ac665212aee88a792021-12-02T16:08:07ZCollision-induced activation: Towards industrially scalable approach to graphite nanoplatelets functionalization for superior polymer nanocomposites10.1038/s41598-017-03890-82045-2322https://doaj.org/article/df8d6c6e17314e10ac665212aee88a792017-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-03890-8https://doaj.org/toc/2045-2322Abstract Scale-up manufacturing of engineered graphene-like nanomaterials to deliver the industry needs for development of high-performance polymer nanocomposites still remains a challenge. Herein, we introduce a quick and cost-effective approach to scalable production of functionalized graphite nanoplatelets using “kitchen blender” approach and Diels-Alder chemistry. We have shown that, in a solvent-free process and through a cycloaddition mechanism, maleic anhydride can be grafted onto the edge-localized electron rich active sites of graphite nanoplatelets (GNP) resulting from high collision force, called “graphite collision-induced activation”. The mechanical impact was modelled by applying the point charge method using density functional theory (DFT). The functionalization of GNP with maleic anhydride (m-GNP) was characterized using various spectroscopy techniques. In the next step, we used a recyclable process to convert m-GNP to the highly-reactive GNP (f-GNP) which exhibits a strong affinity towards the epoxy polymer matrix. It was found that at a low content of f-GNP e.g., 0.5 wt%, significant enhancements of ~54% and ~65% in tensile and flexural strengths of epoxy nanocomposite can be achieved, respectively. It is believed that this new protocol for functionalization of graphene nanomaterials will pave the way for relatively simple industrial scale fabrication of high performance graphene based nanocomposites.Omid ZabihiMojtaba AhmadiTahereh AbdollahiSaeid NikafsharMinoo NaebeNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-13 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Omid Zabihi Mojtaba Ahmadi Tahereh Abdollahi Saeid Nikafshar Minoo Naebe Collision-induced activation: Towards industrially scalable approach to graphite nanoplatelets functionalization for superior polymer nanocomposites
description	Abstract Scale-up manufacturing of engineered graphene-like nanomaterials to deliver the industry needs for development of high-performance polymer nanocomposites still remains a challenge. Herein, we introduce a quick and cost-effective approach to scalable production of functionalized graphite nanoplatelets using “kitchen blender” approach and Diels-Alder chemistry. We have shown that, in a solvent-free process and through a cycloaddition mechanism, maleic anhydride can be grafted onto the edge-localized electron rich active sites of graphite nanoplatelets (GNP) resulting from high collision force, called “graphite collision-induced activation”. The mechanical impact was modelled by applying the point charge method using density functional theory (DFT). The functionalization of GNP with maleic anhydride (m-GNP) was characterized using various spectroscopy techniques. In the next step, we used a recyclable process to convert m-GNP to the highly-reactive GNP (f-GNP) which exhibits a strong affinity towards the epoxy polymer matrix. It was found that at a low content of f-GNP e.g., 0.5 wt%, significant enhancements of ~54% and ~65% in tensile and flexural strengths of epoxy nanocomposite can be achieved, respectively. It is believed that this new protocol for functionalization of graphene nanomaterials will pave the way for relatively simple industrial scale fabrication of high performance graphene based nanocomposites.
format	article
author	Omid Zabihi Mojtaba Ahmadi Tahereh Abdollahi Saeid Nikafshar Minoo Naebe
author_facet	Omid Zabihi Mojtaba Ahmadi Tahereh Abdollahi Saeid Nikafshar Minoo Naebe
author_sort	Omid Zabihi
title	Collision-induced activation: Towards industrially scalable approach to graphite nanoplatelets functionalization for superior polymer nanocomposites
title_short	Collision-induced activation: Towards industrially scalable approach to graphite nanoplatelets functionalization for superior polymer nanocomposites
title_full	Collision-induced activation: Towards industrially scalable approach to graphite nanoplatelets functionalization for superior polymer nanocomposites
title_fullStr	Collision-induced activation: Towards industrially scalable approach to graphite nanoplatelets functionalization for superior polymer nanocomposites
title_full_unstemmed	Collision-induced activation: Towards industrially scalable approach to graphite nanoplatelets functionalization for superior polymer nanocomposites
title_sort	collision-induced activation: towards industrially scalable approach to graphite nanoplatelets functionalization for superior polymer nanocomposites
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/df8d6c6e17314e10ac665212aee88a79
work_keys_str_mv	AT omidzabihi collisioninducedactivationtowardsindustriallyscalableapproachtographitenanoplateletsfunctionalizationforsuperiorpolymernanocomposites AT mojtabaahmadi collisioninducedactivationtowardsindustriallyscalableapproachtographitenanoplateletsfunctionalizationforsuperiorpolymernanocomposites AT taherehabdollahi collisioninducedactivationtowardsindustriallyscalableapproachtographitenanoplateletsfunctionalizationforsuperiorpolymernanocomposites AT saeidnikafshar collisioninducedactivationtowardsindustriallyscalableapproachtographitenanoplateletsfunctionalizationforsuperiorpolymernanocomposites AT minoonaebe collisioninducedactivationtowardsindustriallyscalableapproachtographitenanoplateletsfunctionalizationforsuperiorpolymernanocomposites
_version_	1718384624167550976

Collision-induced activation: Towards industrially scalable approach to graphite nanoplatelets functionalization for superior polymer nanocomposites

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