Influence of Silicon Nano Fillers on the Structural, Mechanical and Thermal Properties of Polyethylene Nano Composites

Author(s): V Kiran Kumar

Abstract:

Polymer nanocomposites have gained significant attention due to their potential to exhibit enhanced physical and functional properties compared with conventional polymers. In the present work, polyethylene (PE) reinforced with silicon-based nanofillers was synthesized using a solution blending technique combined with a sol–gel processing approach. The influence of silicon nanofiller incorporation on the structural, mechanical, and thermal properties of polyethylene was systematically investigated. Structural characterization was carried out using X-ray diffraction (XRD) and scanning electron microscopy (SEM). Mechanical properties were evaluated through tensile testing, while thermal behavior was analyzed using thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC). The results indicate that the addition of silicon nanofillers improves tensile strength, stiffness, and thermal stability compared with pristine polyethylene. The enhancement in properties is attributed to effective nanoparticle dispersion and strong interfacial interactions between the polymer matrix and nanofillers. These findings suggest that polyethylene–silicon nanocomposites have potential applications in advanced engineering materials, electronics, and structural components.

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