Influence of SiC/Si 3 N 4 Hybrid Nanoparticles on Polymer Tensile Properties

  • Rangari V
  • Yousuf M
  • Jeelani S
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Abstract

Nanostructured silicon carbide (SiC)/silicon nitride (Si 3 N 4 ) hybrid nanoparticles exhibit a high-potential for reinforcement of polymers. In the present investigation, silicon carbide ( β -SiC) nanoparticles (~30 nm) were sonochemically coated on acicular silicon nitride (~100 nm × 800 nm) particles to increase the thermal and mechanical properties of Nylon-6 nanocomposite fibers. To produce Nylon-6/(SiC/Si 3 N 4 ) nanocomposite fibers, we have followed a two-step process. In the first step, SiC nanoparticles were coated on Si 3 N 4 nanorods using a sonochemical method and Cetyltrimethylammonium Bromide surfactant. In the second step, the SiC coated Si 3 N 4 hybrid nanoparticles were blended with Nylon-6 polymer and extruded in the form of nanocomposite polymer fibers. The nanocomposite fibers were uniformly stretched and stabilized using a two-set Godet roll machine. The diameters of the extruded neat Nylon-6 and SiC/Si 3 N 4 /Nylon-6 nanocomposite fibers were measured using a scanning electron microscope and then tested for their tensile and thermal properties. These results were compared with the neat Nylon-6 polymer fibers. These results clearly indicate that the as-prepared nanocomposite polymer fibers are much higher in tensile strength (242%) and Young’s modulus (716%) as compared to the neat polymer fibers.

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Rangari, V. K., Yousuf, M., & Jeelani, S. (2013). Influence of SiC/Si 3 N 4 Hybrid Nanoparticles on Polymer Tensile Properties . Journal of Composites, 2013, 1–11. https://doi.org/10.1155/2013/462914

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