Journal
POLYMER COMPOSITES
Volume 39, Issue -, Pages E1398-E1406Publisher
WILEY
DOI: 10.1002/pc.24315
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Funding
- MHRD, New Delhi
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In the existing study, an attempt has been made to develop scratch resistant polycarbonate (PC) nanocomposites using inorganic ZnO nanoparticles doped with copper (ZnCuO). The ZnCuO nanoparticles were synthesized using co-precipitation method and modified using phosphoric acid ethyl hexyl ester (PAEH). The size range of nanoparticles was confirmed to be around 55-75 nm using AFM. TGA, FTIR, and NMR confirmed modification of nanoparticles and XRD approved of size reduction due to doping. PC/ZnCuO nanocomposites (PCNC) with a loading of 1%, 3% and 5% by weight were prepared by melt extrusion and an evaluation of thermal, thermo-mechanical, and tribological properties were carried out. The dispersion study using FE-SEM images revealed the presence of aggregates. Thermal analyses using TGA and DSC indicated a decrement in stability for PCNC. The PCNC was found to exhibit better storage modulus with an enhancement of 23% with a 3 wt% loadings of nanoparticles as compared to pure PC. The tribological study of PCNC indicated a favorable decrement of a coefficient of friction by nearly 14% in the case of 3% PCNC. (C) 2017 Society of Plastics Engineers
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