Studies in effect of alumina nano-particles on the mechanical, thermal, morphological and electrical properties of poly (vinyl chloride)

Author(s): Pravin Kadam, Ravindra Kute, Shashank Mhaske

Polyvinylchloride (PVC)/nano-alumina compositeswere prepared using high speed mixer, two-rollmill and compressionmoulding. In the composite the concentration of nano-alumina was varied from 0 to 7 phr. The prepared composites were characterized for mechanical, thermal, electrical and morphological properties. Optimal improvement in properties was obtained at 5 phr concentration of nano-alumina in the PVC matrix. Tensile strength, tensile modulus and shore D hardness were found to have increased by about 101.9, 47.7 and 25.0%respectively, at 5 phr loading of nano-alumina in the PVC. Thermal conductivity and electrical resistivity also increased with increase in concentration of nano-alumina in PVC.

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