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Open AccessArticle

Core-Shell Graphitic Carbon Nitride/Zinc Phytate as a Novel Efficient Flame Retardant for Fire Safety and Smoke Suppression in Epoxy Resin

1
College of Chemistry and Environmental Science, Hebei University, The Flame Retardant Materials and Processing Technology Engineering Technology Research Center, Baoding 071002, China
2
College of Science, Hebei Agricultural University, Baoding 071000, China
*
Authors to whom correspondence should be addressed.
Polymers 2020, 12(1), 212; https://doi.org/10.3390/polym12010212
Received: 18 December 2019 / Revised: 8 January 2020 / Accepted: 9 January 2020 / Published: 15 January 2020
(This article belongs to the Special Issue Epoxy Resins and Composites)
Novel core-shell graphitic carbon nitride/zinc phytate (g-C3N4/PAZn) flame retardant was simple synthetized using two-dimensional g-C3N4 and bio-based PAZn by self-assembly and incorporated into epoxy resin (EP) for improving the fire safety. The flame retardance and smoke suppression were investigated by cone calorimetry. The results indicated that g-C3N4/PAZn-EP displayed outstanding flame retardancy and smoke suppression, for example, the peak heat release rate and peak smoke production rate decreased by 71.38% and 25%, respectively. Furthermore, the flame retardancy mechanism was further explored by char residue and thermal stability analysis. It can be predicted that g-C3N4/PAZn will provide valuable reference about bio-based flame retardant. View Full-Text
Keywords: graphitic carbon nitride; zinc phytate; epoxy resin; flame retardancy graphitic carbon nitride; zinc phytate; epoxy resin; flame retardancy
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MDPI and ACS Style

Zhang, W.; Wu, W.; Meng, W.; Xie, W.; Cui, Y.; Xu, J.; Qu, H. Core-Shell Graphitic Carbon Nitride/Zinc Phytate as a Novel Efficient Flame Retardant for Fire Safety and Smoke Suppression in Epoxy Resin. Polymers 2020, 12, 212.

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