Cu2O based on core-shell nanostructure for enhancing the fire-resistance, antibacterial properties and mechanical properties of epoxy resin
Composites Communications(2023)
Abstract
The hazards of epoxy resin (EP) are not only reflected in the large amount of smoke and heat released during combustion, but also in the long survival time of bacterial on their surfaces at a time when COVID-19 are prevalent. Therefore, it is crucial to improve the antibacterial properties and fire-resistance of EP. Herein, this paper reports a multifunctional nanoparticle (Cu2O@KF) to overcome this issue. It is found that Cu2O@KF can confer great fire-resistance (LOI = 34.7% and pHRR reduced by 56.3%), antibacterial properties (over 99.99% antibacterial efficiency), and mechanical properties (hardness and Young's modulus increased by 80.0% and 24.0%, respectively) at a low loading level (7 wt%). These ideal characteristics are derived from the multisynergistic properties among Cu2O and KF.
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Key words
Core-shell nanostructure,Mechanical properties,Antibacterial properties,Fire-resistance
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