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Crystallisation Kin...
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Stalmann, Gertrud,1988Göteborgs universitet,University of Gothenburg,Chalmers tekniska högskola,Chalmers University of Technology,Philipps-Universität Marburg,Philipps University Marburg
(författare)
Crystallisation Kinetics and Associated Electrical Conductivity Dynamics of Poly(Ethylene Vinyl Acetate) Nanocomposites in the Melt State
- Artikel/kapitelEngelska2022
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2022-10-14
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MDPI AG,2022
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electronicrdacarrier
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LIBRIS-ID:oai:research.chalmers.se:d51b8fbd-44f1-4e28-9415-a527b495a91c
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https://research.chalmers.se/publication/532945URI
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https://doi.org/10.3390/nano12203602DOI
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Språk:engelska
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Sammanfattning på:engelska
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Nanocomposite systems comprised of a poly(ethylene vinyl acetate) (EVA) matrix and carbon black (CB) or graphene nanoplatelets (GNPs) were used to investigate conductivity and crystallisation dynamics using a commercially relevant melt-state mixing process. Crystallisation kinetics and morphology, as investigated by DSC and SEM, turn out to depend on the interplay of (i) the interphase interactions between matrix and filler, and (ii) the degree of filler agglomeration. For the GNP-based systems, an almost constant conductivity value was observed for all compositions upon cooling, something not observed for the CB-based compositions. These conductivity changes reflect structural and morphological changes that can be associated with positive and negative thermal expansion coefficients. GNP-based systems were observed to exhibit a percolation threshold of approximately 2.2 vol%, lower than the 4.4 vol% observed for the CB-based systems.
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Matic, Aleksandar,1968Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)matic
(författare)
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Jacobsson, Per,1958Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)pjacob
(författare)
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Tranchida, DavideBorealis GmbH
(författare)
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Gitsas, AntonisBorealis GmbH
(författare)
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Gkourmpis, ThomasBorealis GmbH
(författare)
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Göteborgs universitetChalmers tekniska högskola
(creator_code:org_t)
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Ingår i:Nanomaterials: MDPI AG12:202079-4991
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