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Material-related losses of natural rubber composites with surface-modified nanodiamonds

机译:具有表面改性纳米金刚石的物质相关损耗天然橡胶复合材料

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Dielectric elastomer generators (DEGs) offer a solution for the growing sustainable energy needs. Despite the active research on DEGs, currently used materials do not possess the required properties to achieve the full potential performance of such generators, thus, limiting an economical attractiveness of DEGs. Therefore, tailor-made materials for DEGs are in demand. Customizing the natural rubber recipe allows both dielectric and mechanical loss reduction, while the addition of nanodiamonds lowers the stress relaxation and hysteresis loss even further. The effect is most pronounced after chemical modification of nanodiamonds with silane coupling agents. Moreover, such modified nanodiamonds show less dielectric losses compared to unmodified nanodiamonds and allow reducing the dynamic loss tangent of the compound. (c) 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 137, 48629.
机译:介电弹性体发电机(DEGS)为不断增长的可持续能源提供提供解决方案。 尽管对DEGS进行了积极的研究,但目前使用的材料没有所需的性能,以实现这种发电机的全部潜在性能,从而限制了DEG的经济吸引力。 因此,用于DEG的量身定制的材料需求。 定制天然橡胶配方允许介电和机械损失减少,而添加纳米金刚胺再次降低应力松弛和滞后损失。 含有硅烷偶联剂的纳米金刚石化学改性后的效果最为明显。 此外,与未修饰的纳米金刚石相比,这种改性纳米金刚胺显示出较少的介电损耗,并允许减少化合物的动态损失正态。 (c)2019 Wiley期刊,Inc.J.Phill。 聚合物。 SCI。 2019,137,48629。

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