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Enhancing elastomeric performance and application window for thermoplastic polyurethanes (TPU) by incorporation of carbon nanotubes (CNTs)(PPT)

机译:通过掺入碳纳米管(CNT)(PPT)来增强热塑性聚氨酯(TPU)的弹性型聚氨酯(TPU)

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1. By addition of only 0.3wt% of CNTs, the application window of TPU increased up to 20°C and storage modulus improved up to 230% at high temperatures. 2. CNTs significantly improved mechanical properties of TPUs at higher temperatures. 3. Creep resistance is increased (up to 40%) by addition of 0.3 wt% CNTs and it was found that creep behavior is less sensitive to temperature changes for CNT nanocomposites. 4. Optimum mechanical properties were obtained for 0.3wt% CNT nanocomposite. CNT aggregation limits the mechanical performance of nanocomposites at higher loadings.
机译:1.通过仅添加0.3wt%的CNT,TPU的应用窗口增加到20°C,储存模量在高温下高达230%。 2. CNT在较高温度下显着改善TPU的机械性能。通过添加0.3wt%CNT,蠕变抗性增加(高达40%),发现蠕变行为对CNT纳米复合材料的温度变化不太敏感。 4.得到最佳的机械性能,得到0.3wt%CNT纳米复合材料。 CNT聚集限制纳米复合材料在更高载荷处的机械性能。

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