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Polymer nanocomposites based on graphite nanoplatelets (GNPs): a review on thermal-electrical conductivity, mechanical and barrier properties

Journal

JOURNAL OF MATERIALS SCIENCE
Volume 57, Issue 15, Pages 7425-7480

Publisher

SPRINGER
DOI: 10.1007/s10853-022-07092-0

Keywords

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Funding

  1. Erciyes University Scientific Research Unit (EUBAP) [FBD-2020-10069]

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This paper reviews the synthesis techniques and properties of graphite nanoplatelets (GNPs)-based polymer nanocomposites. The study found that incorporating GNPs into the polymer matrix can enhance the properties of the host polymer under extreme conditions. Surface modification of GNPs has also been explored as a new platform for achieving structure-property interactions in polymer nanocomposites.
In this paper, graphite nanoplatelets (GNPs)-based polymer nanocomposites were reviewed. This review mainly discusses various synthesis techniques for making graphite nanoplatelets (GNPs) including dispersion of GNPs in polymers, functionalization and producing GNPs polymer nanocomposites. In addition, their critical morphology and rheological, mechanical, electrical, and thermal conductivity as well as gas barrier properties were explained. It was found that when GNPs were properly incorporated into the polymer matrix, they can enhance the properties of the host polymer at extreme conditions. Moreover, surface modification of GNPs by covalent and non-covalent functionalization has been explored as a new platform for realizing structure-property interactions of polymer nanocomposites. Proposed predictive modeling and analysis methods on the mechanical, electrical, and thermal conductivities and gas barrier properties of GNPs/polymer nanocomposites were also disclosed considering, in particular, GNPs geometry and orientation in polymers. It was concluded that GNPs added to thermoset and thermoplastic polymer nanocomposites exhibit conceivable developments in advanced engineering uses, including electronics, ultra-sensitive sensors, membranes, energy storage, wearable technology, aerospace and biomedical. [GRAPHICS] .

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