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  • 3D Ti3C2Tx MXene/C hybrid foam/epoxy nanocomposites with superior electromagnetic interference shielding performances and robust mechanical properties
  • 来源:王雷副教授个人网站 2023-03-28
  • Few-layered Ti3C2Tx MXene was prepared by ionic intercalation and sonication-assisted method. Porous threedimensional

    (3D) Ti3C2Tx MXene/C hybrid foam (MCF) was fabricated by sol-gel followed by thermal reduction.

    The MCF/epoxy EMI shielding nanocomposites were obtained via vacuum-assisted impregnation followed by

    curing process. When the mass fraction of MCF was 4.25 wt% (MCF-5), the MCF-5/epoxy EMI shielding nanocomposites

    exhibited the optimal electrical conductivity of 184 S/m and the maximum EMI SE of 46 dB,

    3.1×104 and 4.8 times higher than that of MCF-0/epoxy nanocomposites (without Ti3C2Tx MXene), respectively.

    Furthermore, the corresponding Young's modulus of 3.96 GPa and hardness of 0.31 GPa was increased by

    13% and 11%, respectively. Conductive networks can realize the attenuation and dissipation of electromagnetic

    waves by multiple reflection & reabsorption, and absorption is main shielding mechanism. Unique 3D conductive

    networks of MCF would expand wider application of the Ti3C2Tx MXene/polymer-based nanocomposites

    in high-tech EMI shielding fields.


  • [来源:中国聚合物网]
  • 了解更多请进入: 王雷副教授个人网站
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