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Production of Graphite Nanoplatelets via Functionalized Polyketone-Assisted Diels–Alder Chemistry: Evidence of Reduced Layer Thickness and Enhanced Exfoliation Efficiency

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dc.contributor.authorCisternas, Ricardo
dc.contributor.authorOrellana, Jaime
dc.contributor.authorSilva, Nataly
dc.contributor.authorCorrea-Puerta, Jonathan
dc.contributor.authorPucci, Andrea
dc.contributor.authorBose, Ranjita K.
dc.contributor.authorPicchioni, Francesco
dc.contributor.authorAraya-Hermosilla, Esteban
dc.contributor.authorAraya-Hermosilla, Rodrigo
dc.date.accessioned2026-07-15T13:21:13Z
dc.date.available2026-07-15T13:21:13Z
dc.date.issued2025
dc.description.abstractThis study introduces an efficient and scalable method for the top-down exfoliation of graphite into graphite nanoplatelets (GNPs) using polyketones (PKs) functionalized with Diels–Alder (DA) active groups. Leveraging the reversible covalent interactions facilitated by furan and thiophene moieties in PK, combined with melt-mixing and shear force, this process achieves significant exfoliation while preserving the structural integrity of the resulting material. Thermal and rheological analyses demonstrate enhanced interfacial adhesion and stability within polymer composites attributed to the DA-driven interactions between functionalized PK and graphite. Comparative evaluations demonstrate that furan-functionalized PK exhibits superior exfoliation efficiency, highlighting its potential for producing high-quality exfoliated graphite suitable for advanced nanocomposite applications that require enhanced thermal, mechanical, and electrical properties. This method seamlessly integrates sustainability with industrial scalability, offering significant advancements in developing GNP-based materials
dc.description.versionVersión publicada
dc.format.extent20 p.
dc.identifier.citationCisternas, R., Orellana, J., Silva, N., Correa-Puerta, J., Pucci, A., Bose, R. K., Picchioni, F., Araya-Hermosilla, E., & Araya-Hermosilla, R. (2025). Production of graphite nanoplatelets via functionalized polyketone-assisted diels–alder chemistry: Evidence of reduced layer thickness and enhanced exfoliation efficiency. Polymers, 17(10), 1333. https://doi.org/10.3390/polym17101333
dc.identifier.doihttps://doi.org/10.3390/polym17101333
dc.identifier.urihttps://hdl.handle.net/11447/10817
dc.language.isoen
dc.publisherPolymers
dc.rightsAtribución-NoComercial-CompartirIgual 3.0 Chile (CC BY-NC-SA 3.0 CL)
dc.rights.urihttp://creativecommons.org/licenses/by-nc-sa/3.0/cl/
dc.subjectPolyketone
dc.subjectPaal–Knorr reaction
dc.subjectGraphite
dc.subjectDiels–Alder reaction
dc.subjectPolymer
dc.subjectIntercalation
dc.subjectExfoliation
dc.subjectGraphite nanoplates
dc.subjectNanocomposite
dc.titleProduction of Graphite Nanoplatelets via Functionalized Polyketone-Assisted Diels–Alder Chemistry: Evidence of Reduced Layer Thickness and Enhanced Exfoliation Efficiency
dc.typeArticle
dcterms.accessRightsAcceso abierto
dcterms.sourcePolymers
dspace.entity.typePublication

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