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Enhancement of thermal and mechanical properties of few layer boron nitride reinforced PET composite

Sahoo, A and Gayathri, HN and Phanindra Sai, T and Upasani, PS and Raje, V and Berkmans, J and Ghosh, A (2020) Enhancement of thermal and mechanical properties of few layer boron nitride reinforced PET composite. In: Nanotechnology, 31 (31).

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Official URL: https://doi.org/10.1088/1361-6528/ab88ec


Polyethylene terephthalate-based nanocomposites with hexagonal boron nitride nanosheets (BNNs) were prepared by a solution casting method with varying concentrations of BNNs from 0.5 wt to 4 wt. Melting and crystallization behaviour of the composites were investigated by differential scanning calorimetry, which suggests that with increasing presence of nanosheets, the crystallinity increases and hence the polyethylene terephthalate chain mobility gets restricted, which leads to suppression of crystal growth. The nanoindentation measurements on the composite films exhibit improved mechanical properties. Enhancement of 33.3 of elastic modulus and 32.4 of hardness was observed with 2 wt infusion of boron nitride nanosheets in polyethylene terephthalate. © 2020 IOP Publishing Ltd.

Item Type: Journal Article
Publication: Nanotechnology
Publisher: Institute of Physics Publishing
Additional Information: Copyrights of this article belongs to Institute of Physics Publishing
Keywords: Aliphatic compounds; Boron nitride; Crystallinity; Differential scanning calorimetry; III-V semiconductors; Mechanical properties; Nanosheets; Nitrides; Plastic bottles; Polyethylene terephthalates, Boron nitride nanosheets; Chain mobility; Hexagonal boron nitride; Melting and crystallization; Nano-indentation measurements; PET composites; Solution-casting method; Thermal and mechanical properties, Nanocomposite films
Department/Centre: Division of Interdisciplinary Sciences > Centre for Nano Science and Engineering
Division of Physical & Mathematical Sciences > Physics
Date Deposited: 31 May 2021 05:39
Last Modified: 31 May 2021 05:39
URI: http://eprints.iisc.ac.in/id/eprint/65584

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