Al₂O₃ nanoparticles synthesis, and a study of its influence on the fire behaviour of nanocomposite materials based on unsaturated polyester resin
by Anmar A. Harhoosh; E.V. Yurtov
International Journal of Nanotechnology (IJNT), Vol. 21, No. 1/2, 2024

Abstract: The effect of sodium carbonate on the size formation of Al₂O₃ nanoparticles was successfully studied, as it was with an increase in the pH of the initial solution from 3.5 to 8, the particle size decrease from 97 ± 10 nm to 52 ± 10 nm. The alumina powder was analysed by using scanning electron microscopy SEM, energy dispersive spectrometer EDS, and Fourier transform infrared FTIR spectroscopy. Al₂O₃ nanoparticles with an average size of 74 ± 10 nm are used as flame retardant additives. The Al₂O₃ nanoparticles were found to be effective flame retardants additives in unsaturated polyester resin. The nanocomposite materials based on unsaturated polyester resin with adding of 5 wt% of alumina nanoparticles found to be optimum results, in which the burning rate decreased by 79.9% and the coke number (CN) value of the carbonated residue increased by 20% compared with the pure resin.

Online publication date: Mon, 05-Feb-2024

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