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Thermal and Mechanical Characterization of Thermoplastics Polyurethane

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Thermal and Mechanical Characterization of Thermoplastics Polyurethane Nanocomposites Modified Using Low-Cost Nanosilica From Rice Husk


This paper explores the changes in mechanical properties when thermoplastic polyurethane (TPU) is mixed with nanosilica (NS) made from rice husk. Twin-screw extrusion and a ram injection molding system were used to produce tensile specimens per ASTM D412. A control, as well as 1 weight percent (wt%) and 3 wt% formulations were produced. Tensile testing, dynamic mechanical analysis (DMA), thermomechanical analysis (TMA), and thermogravimetric analysis (TGA) were performed on the specimens. A detailed analysis of the data was then made to establish relationships found between increasing NS content and tensile strength, tensile modulus, percentage elongation, thermal stability, and viscoelastic properties. It is observed that material residence time in the twin screw extruder has a major effect on dispersion quality and in turn mechanical and thermal properties.


Author: Jitendra Tate


Conference: SAMPE Seattle 2017


SKU/Code: SE17--0846

Pages: 18

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