Magnetic Field-Induced Orientation of Modified Boron Nitride Nanosheets in Epoxy Resin with Improved Flame and Wear Resistance

In this work, self-lubricating boron nitride nanosheets (BNNs) were decorated with flame-retardant zinc ferrite (ZnFe2O4), followed by stearic acid modification to obtain magnetic and hydrophobic properties. Under the external magnetic field, the obtained ZnFe2O4-BNNs can be well ordered into one-di...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 37(2021), 27 vom: 13. Juli, Seite 8222-8231
1. Verfasser: Shi, Huili (VerfasserIn)
Weitere Verfasser: Wang, Huanhuan, Lu, Haitao, Zhang, Xia, Zhang, Zhijun
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2021
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a In this work, self-lubricating boron nitride nanosheets (BNNs) were decorated with flame-retardant zinc ferrite (ZnFe2O4), followed by stearic acid modification to obtain magnetic and hydrophobic properties. Under the external magnetic field, the obtained ZnFe2O4-BNNs can be well ordered into one-dimensional orientation in the epoxy resin (EP) matrix-enabling improved flame retardant properties. Compared to a randomly oriented ZnFe2O4-BNN equivalent, the well-orientated ZnFe2O4-BNNs (at 10% mass fraction) reduce the peak heat release rate and CO production by 47 and 51%, respectively. Furthermore, the ZnFe2O4-BNN/EP composite monoliths demonstrate excellent durability, displaying continued superhydrophobicity under Taber abrasion, high external pressure, knife scratch, long-term exposure to acids/bases, and harsh UV irradiation. In addition, the result shows that the well-oriented ZnFe2O4-BNN/EP composite demonstrates better tribological performance and the friction coefficient is reduced by 76.9% 
650 4 |a Journal Article 
700 1 |a Wang, Huanhuan  |e verfasserin  |4 aut 
700 1 |a Lu, Haitao  |e verfasserin  |4 aut 
700 1 |a Zhang, Xia  |e verfasserin  |4 aut 
700 1 |a Zhang, Zhijun  |e verfasserin  |4 aut 
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