Improved flame resistance and thermo-mechanical properties of epoxy resin nanocomposites from functionalized graphene oxide via self-assembly in water
Article
Article Title | Improved flame resistance and thermo-mechanical properties of epoxy resin nanocomposites from functionalized graphene oxide via self-assembly in water |
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ERA Journal ID | 4883 |
Article Category | Article |
Authors | Fang, Fang (Author), Ran, Shiya (Author), Fang, Zhengping (Author), Song, Pingan (Author) and Wang, Hao (Author) |
Journal Title | Composites Part B: Engineering |
Journal Citation | 165, pp. 406-416 |
Number of Pages | 11 |
Year | 2019 |
Publisher | Elsevier |
Place of Publication | United Kingdom |
ISSN | 1359-8368 |
Digital Object Identifier (DOI) | https://doi.org/10.1016/j.compositesb.2019.01.086 |
Web Address (URL) | https://www.sciencedirect.com/science/article/pii/S1359836818342008 |
Abstract | The development of a green and facile strategy for fabricating ecofriendly, highly effective flame retardants has remain a major challenge. Herein, supermolecular aggregates of piperazine (PiP) and phytic acid (PA) have been self-assembled onto the graphene oxide (GO) surface in water to fabricate functionalized GO (PPGO). The chemical structure and morphology of PPGO are determined by the X-ray photoelectron spectroscopy, transmission electron microscopy and scanning electron microscopy along with the energy dispersive spectroscopy. Due to the introduction of organic component onto the surface of graphene oxide, the adhesion between PPGO and the epoxy resin (EP) matrix is enhanced. As a result, the storage modulus (E′) of EP composites is increased in addition to a better dispersion of PPGO. Compared with the pure EP, the flame resistance of EP/PPGO is significantly improved, exhibiting a 42% decrease in peak heat release rate (pHRR), 22% reduction in total heat release (THR). The reduced flammability of EP is attributed to the synergistic effects afforded by the gas dilution effect of piperazine, char-forming promotion effect of phytic acid and the creation of 'tortuous path' barrier effect of GO during burning. This work offers a green and facile approach for creating highly effective graphene-based flame retardants. |
Keywords | Epoxy resinP, N-containing flame retardants, Graphene oxide, Flame retardancy |
Contains Sensitive Content | Does not contain sensitive content |
ANZSRC Field of Research 2020 | 401605. Functional materials |
401609. Polymers and plastics | |
401602. Composite and hybrid materials | |
Public Notes | Files associated with this item cannot be displayed due to copyright restrictions. |
Byline Affiliations | Zhejiang University, China |
Centre for Future Materials | |
Institution of Origin | University of Southern Queensland |
https://research.usq.edu.au/item/q6108/improved-flame-resistance-and-thermo-mechanical-properties-of-epoxy-resin-nanocomposites-from-functionalized-graphene-oxide-via-self-assembly-in-water
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