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Mechanical enhancement of zirconia reinforced polyimine nanocomposites

机译:氧化锆增强聚亚胺纳米复合材料的机械增强

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Polymeric nanocomposites have demonstrated superior performance in recent decades, combining the advantages of polymer and nanoparticle fillers. However, nanocomposites of polyimine, a neoteric thermoset material, have been rarely investigated. Herein, a series of polyimine nanocomposites reinforced by zirconia (ZrO2) have been fabricated by heat-pressing under mild conditions. The resultant polyimine nanocomposites show significant enhancements on multiple mechanical properties including tensile strength, toughness, bending strength, and impact strength, whereas the optimal amount of ZrO2 particles for the best performance of a specific property varies. Interestingly, the tensile strength and toughness of the polyimine nanocomposites can be simultaneously increased by 40% and 85%, indicating that the nanocomposites exhibit excellent integration of tensile strength and toughness analogous to natural materials. Hence, a facile and cost-effective approach to enhance mechanical properties of polyimine has been realized for more applications. (C) 2017 Wiley Periodicals, Inc.
机译:聚合物纳米复合材料近几十年来表现出优异的性能,相结合了聚合物和纳米颗粒填料的优点。然而,很少研究聚氨片,一种新型热固性材料的纳米复合材料。在此,通过在温和条件下加热来制造由氧化锆(ZrO2)增强的一系列聚酰胺纳米复合材料。得到的聚酰亚胺纳米复合材料显示出多种机械性能显着增强,包括拉伸强度,韧性,弯曲强度和冲击强度,而最佳量的特定性能的ZrO2颗粒的最佳量变化。有趣的是,聚氨纳米复合材料的拉伸强度和韧性可以同时增加40%和85%,表明纳米复合材料表现出与天然材料类似的拉伸强度和韧性的优异一致。因此,已经实现了更多的应用来增强聚亚胺的机械性能的容易和经济有效的方法。 (c)2017 Wiley期刊,Inc。

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