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首页> 外文期刊>Journal of Applied Polymer Science >Tribological Mechanism Improving the Wear Resistance of Polyurethane/Epoxy Interpenetrating Polymer Network via Nanodiamond Hybridization
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Tribological Mechanism Improving the Wear Resistance of Polyurethane/Epoxy Interpenetrating Polymer Network via Nanodiamond Hybridization

机译：纳米金刚石杂交提高聚氨酯/环氧树脂互穿聚合物网络耐磨性的摩擦学机理

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摘要

The excellent synergistic effect of physical/mechanical properties of polyurethane/epoxy (PU/EP) interpenetrating polymer network (IPN) and the validity of nanofilling have one potential to improve the wear resistance of polymeric materials. With the aim of practical application, PU/EP IPN nanocomposites are prepared with nanodiamond (ND) as a reinforcing additive. Results showed the uniform thermal stability and the excellent compatibility between PU and EP in ND-hybridized PU/EP IPN. Simultaneously, ND particles work as crosslinked points improving the physical/mechanical properties of ND-hybridized PU/EP IPN, especially the wear resistance. The measurement of tribological property and the scanning electron microscope indicated that the wear resistance is able to be improved a lot by the formation of IPN and by the addition of ND. Consequently, the tribological mechanism of PU/EP IPN nanocomposites comes into being.
机译：聚氨酯/环氧树脂（PU / EP）互穿聚合物网络（IPN）的优异物理/机械性能协同效应以及纳米填充的有效性具有改善聚合物材料耐磨性的潜力。出于实际应用的目的，以纳米金刚石（ND）为增强添加剂制备了PU / EP IPN纳米复合材料。结果表明，在ND杂化PU / EP IPN中，PU和EP之间具有均匀的热稳定性和优异的相容性。同时，ND颗粒作为交联点，改善了ND杂化的PU / EP IPN的物理/机械性能，特别是耐磨性。摩擦学性能的测量和扫描电子显微镜表明，通过形成IPN和添加ND可以大大提高耐磨性。因此，PU / EP IPN纳米复合材料的摩擦机理应运而生。

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