Fabrication of nitrogen-doped graphene decorated with organophosphor and lanthanum towards high-performance polymer nanocomposites

Huang, Guobo and Han, Deman and Jin, Yanxian and Song, Pingan and Yan, Qidong and Gao, Chao (2018) Fabrication of nitrogen-doped graphene decorated with organophosphor and lanthanum towards high-performance polymer nanocomposites. ACS Applied Nano Materials, 1. pp. 3204-3213. ISSN 2574-0970

Abstract

Despite substantial advances, it remains imperative but challenging to develop high-performance polymer/graphene nanocomposites combining with excellent mechanical, thermal, and fire-retardant properties. In this work, a novel kind of graphene-based multifunctional nanofiller (La@PN-RGO) was fabricated via the nitrogen doping and the decoration with organophosphorus and lanthanum based on graphene oxide, which is then incorporated into acrylonitrile−butadiene−styrene (ABS) resin via melt blending to obtain resultant ABS nanocomposites. As expected, the La@PN-RGO nanosheets were well dispersed in ABS composites. Attractively, with only 1.0 wt % of La@PN-RGO incorporated into ABS matrix, the peak heat release rate (PHRR) and total smoke production (TSP) were significantly reduced by 38% and 36%, which is much superior to its counterparts at the same nanofillers loading level. The notably enhanced fire safety was primarily attributed to the rare earth catalysis accompanied by the lamellae blocking effect and intumescent flame retardancy of La@PN-RGO. Additionally, ABS/La@PN-RGO composite exhibited a 16% enhancement in tensile strength without at the expense of extensibility. This effective and promising method may open a new pathway to obtain high-performance polymer/graphene nanocomposites.


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Item Type: Article (Commonwealth Reporting Category C)
Refereed: Yes
Item Status: Live Archive
Additional Information: Published version cannot be displayed due to copyright restrictions.
Faculty / Department / School: No Faculty
Date Deposited: 18 Feb 2019 04:40
Last Modified: 19 Feb 2019 01:26
Uncontrolled Keywords: nanocomposites, graphene oxide, nitrogen doping, rare earth, flame retardancy, smoke suppression, mechanical
Fields of Research : 09 Engineering > 0912 Materials Engineering > 091299 Materials Engineering not elsewhere classified
Socio-Economic Objective: B Economic Development > 86 Manufacturing > 8699 Other Manufacturing > 869999 Manufacturing not elsewhere classified
Identification Number or DOI: 10.1021/acsanm.8b00411
URI: http://eprints.usq.edu.au/id/eprint/35558

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