Thermal conductivity and phase-change properties of boron nitride–lead oxide nanoparticle-doped polymer nanocomposites

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buir.contributor.authorOrtaç, Bülend
buir.contributor.authorMutlu, Saliha
buir.contributor.authorSavaşkan Yılmaz, Sevil
buir.contributor.orcidOrtaç, Bülend|0000-0002-1104-7459
buir.contributor.orcidSavaşkan Yılmaz, Sevil|0000-0002-1055-7799
dc.citation.epage2326-27en_US
dc.citation.issueNumber10
dc.citation.spage2326-1
dc.citation.volumeNumber15
dc.contributor.authorOrtaç, Bülend
dc.contributor.authorMutlu, Saliha
dc.contributor.authorBaskan, T.
dc.contributor.authorSavaşkan Yılmaz, Sevil
dc.contributor.authorYilmaz, A. H.
dc.contributor.authorErol, B.
dc.date.accessioned2024-03-12T11:35:57Z
dc.date.available2024-03-12T11:35:57Z
dc.date.issued2023-05-16
dc.departmentInstitute of Materials Science and Nanotechnology (UNAM)
dc.departmentNanotechnology Research Center (NANOTAM)
dc.description.abstractThermally conductive phase-change materials (PCMs) were produced using the crosslinked Poly (Styrene-block-Ethylene Glycol Di Methyl Methacrylate) (PS-PEG DM) copolymer by employing boron nitride (BN)/lead oxide (PbO) nanoparticles. Differential Scanning Calorimetry (DSC) and Thermogravimetric Analysis (TGA) methods were used to research the phase transition temperatures, the phase-change enthalpies (melting enthalpy (ΔHm), and crystallization enthalpies (ΔHc)). The thermal conductivities (λ) of the PS-PEG/BN/PbO PCM nanocomposites were investigated. The λ value of PS-PEG/BN/PbO PCM nanocomposite containing BN 13 wt%, PbO 60.90 wt%, and PS-PEG 26.10 wt% was determined to be 18.874 W/(mK). The crystallization fraction (Fc) values of PS-PEG (1000), PS-PEG (1500), and PS-PEG (10,000) copolymers were 0.032, 0.034, and 0.063, respectively. XRD results of the PCM nanocomposites showed that the sharp diffraction peaks at 17.00 and 25.28 °C of the PS-PEG copolymer belonged to the PEG part. Since the PS-PEG/PbO and the PS-PEG/PbO/BN nanocomposites show remarkable thermal conductivity performance, they can be used as conductive polymer nanocomposites for effective heat dissipation in heat exchangers, power electronics, electric motors, generators, communication, and lighting equipment. At the same time, according to our results, PCM nanocomposites can be considered as heat storage materials in energy storage systems.
dc.description.provenanceMade available in DSpace on 2024-03-12T11:35:57Z (GMT). No. of bitstreams: 1 Thermal_Conductivity_and_Phase-Change_Properties_of_Boron_Nitride–Lead_Oxide_Nanoparticle-Doped_Polymer_Nanocomposites.pdf: 11310076 bytes, checksum: af9bfbd7f7e71a81baf8e2cd511ea282 (MD5) Previous issue date: 2023-05-16en
dc.identifier.doi10.3390/polym15102326
dc.identifier.eissn2073-4360
dc.identifier.urihttps://hdl.handle.net/11693/114595
dc.language.isoen
dc.publisherMDPI AG
dc.relation.isversionofhttps://dx.doi.org/10.3390/polym15102326
dc.rightsCC BY 4.0 DEED (Attribution 4.0 International)
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.source.titlePolymers
dc.subjectBoron nitride–lead oxide polymer nanocomposite
dc.subjectNanocomposite
dc.subjectPhase-change materials
dc.subjectPolystyrene–polyethyleneglycol block copolymer
dc.subjectThermal conductivity
dc.titleThermal conductivity and phase-change properties of boron nitride–lead oxide nanoparticle-doped polymer nanocomposites
dc.typeArticle

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