Graphene nanoplatelets/barium titanate polymer nanocomposite fibril: a remanufactured multifunctional material with unprecedented electrical, thermomechanical, and electromagnetic properties

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dc.contributor.authorMishra, Raghvndra Kumar
dc.contributor.authorGoel, Saurav
dc.contributor.authorChianella, Iva
dc.contributor.authorYazdani Nezhad, Hamed
dc.date.accessioned2023-10-02T13:04:11Z
dc.date.available2023-10-02T13:04:11Z
dc.date.issued2023-09-25
dc.description.abstractA novel, zero-waste and recycling plastic waste solution is introduced, to scalably produce graphene nanoplatelets/barium titanate (GNP/BaTiO3) polymer nanocomposite fibrils. A comprehensive investigation is performed to evaluate the compatible and non-compatible recycled polypropylene (PP)/polyethyleneterephthalate (PET) blends combined with functional (electrical, piezoelectric,and dielectric) materials for in-situ fibril production. The nanocompositefibrils made from recycled PP, PET and GNPs/BaTiO3 with high-aspect ratio disparity (400:1) are produced, which exhibit significantly enhanced electrical, thermomechanical, and electromagnetic characteristics. Single-screw extrusion is utilised to fabricate the fibrils with the in-situ fibril morphology of PET and GNPs/BaTiO3 leading to improved electrical conductivity. It is demonstrated that such fibril morphology restricts the chain mobility of polymer molecules, and ultimately increases viscosity and strain energy. Moreover, the study demonstrates a positive reinforcement effect from the utilisation of PET fibrils and GNPs/BaTiO3 in a PP matrix, dominated by the high-aspect ratio, stiffness, and thermal stability of GNPs/BaTiO3. Furthermore, it is observed that the mechanical properties and tension-bearing capacity of the PP are significantly improved by such incorporation. The study also demonstrates that the protection of the remanufactured nanocomposites against electromagnetic interference is significantly improved with the increasing GNPs/BaTiO3 content and the morphological transition from spherical to fibril-shaped PET.en_UK
dc.description.sponsorshipEngineering and Physical Sciences Research Council (EPSRC): EP/R016828/1 & EP/R513027/1en_UK
dc.identifier.citationMishra RK, Goel S, Chianella I, Yazdani Nezhad H. (2023) Graphene nanoplatelets/barium titanate polymer nanocomposite fibril: a remanufactured multifunctional material with unprecedented electrical, thermomechanical, and electromagnetic properties, Advanced Sustainable Systems, Volume 7, Issue 11, November 2023, Article Number 2300177en_UK
dc.identifier.issn2366-7486
dc.identifier.urihttps://doi.org/10.1002/adsu.202300177
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/20314
dc.language.isoenen_UK
dc.publisherWileyen_UK
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectbarium titanateen_UK
dc.subjectelectromagnetic interference shieldingen_UK
dc.subjectgraphene nanoplateletsen_UK
dc.subjectmultifunctional compositesen_UK
dc.subjectnanocomposite fibrilsen_UK
dc.subjectthermal stabilityen_UK
dc.titleGraphene nanoplatelets/barium titanate polymer nanocomposite fibril: a remanufactured multifunctional material with unprecedented electrical, thermomechanical, and electromagnetic propertiesen_UK
dc.typeArticleen_UK

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