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Autonomous self-healing multiwalled carbon nanotube nanocomposites with piezoresistive effect

机译：具有压阻效应的自主自修复多壁碳纳米管纳米复合材料

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Autonomous self-healing fatty acid rubber nanocomposites reinforced by multiwalled carbon nanotubes (MWCNTs) were synthesized by solution blending. The dispersion of MWCNTs in the self-healing fatty acid rubber matrix was observed by scanning electron microscopy. The reinforcement of MWCNTs on the mechanical properties and the self-healing capability of the self-healing fatty acid rubber/MWCNT nanocomposites were investigated by tensile testing. The effect of MWCNT concentration on the electrical conductivity of self-healing fatty acid rubber was studied and the electrically conductive behaviors of self-healing fatty acid rubber/MWCNT nanocomposites were interpreted using the percolation theory and tunneling model. The piezoresistive effect was observed in the nanocomposite with 19.7 vol% MWCNTs, which demonstrates potential for pressure sensing applications.
机译：通过溶液共混合成了由多壁碳纳米管（MWCNTs）增强的自主自修复脂肪酸橡胶纳米复合材料。通过扫描电子显微镜观察到MWCNT在自修复的脂肪酸橡胶基质中的分散。通过拉伸试验研究了MWCNTs对自愈脂肪酸橡胶/ MWCNT纳米复合材料力学性能和自愈能力的增强作用。研究了MWCNT浓度对自修复脂肪酸橡胶电导率的影响，并用渗流理论和隧穿模型解释了自修复脂肪酸橡胶/ MWCNT纳米复合材料的导电行为。在纳米复合材料中，以19.7％（体积）的MWCNT观察到了压阻效应，这证明了其在压力传感应用中的潜力。

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