Abstract
ABSTRACTThe Mg2B2O5w modified by toluene‐2, 4‐diisocyanate (TDI) and fatty amine (n‐dodecylamine(D) or n‐octadecylamine (O)) was used in oil‐containing monomer casting (OMC) nylon, and the effect of modified Mg2B2O5w on mechanical and friction properties of OMC nylon composites was investigated. The significant improvement of the mechanical and friction properties of composites was observed. The addition of 0.15 wt% TDI‐D‐Mg2B2O5w or TDI‐O‐Mg2B2O5w resulted in 21 and 20% growth in the tensile strength, 53 and 52% increase in the flexural strength, respectively. Additionally, nearly 60 and 58% reduction in the friction coefficient, about 84 and 80% decrease in the abrasion quantity. Furthermore, the worn surface of composites exhibited smooth, which confirmed the antiwear effect of Mg2B2O5w. The improvement was attributed to the interfacial adhesion between whiskers and matrix by hydrogen bonds. This work provided a facile approach to the design of wear‐resistant polymer composites that hold significant potential in construction machinery industry. © 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2020, 137, 48856.
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