Solid state ball milling: Path to optimised dispersion of multifunctional nanofillers

    Research output: ResearchArticle

    Abstract

    A new efficient, solvent-free compounding method, solid state ball milling (SSBM), has been identified as a viable new processing method for nanocomposites which succeeds in simultaneously lowering the percolation threshold and achieving excellent mechanical properties. Polyetherimide (PEI) nanocomposites reinforced with exfoliated graphite (graphene) nanoplatelets (GNP) were fabricated by various processing methods to achieve good dispersion including: melt-extrusion, solid state ball milling (SSBM) as well as combinations of these methods. SSBM was investigated as an alternative process to enhance dispersion, adhesion and to reduce GNP size. High electrical conductivity was achieved by this approach as compared to melt-extrusion. Further improvements of the mechanical properties could be made by combining the extrusion and SSBM approaches. Examination of the nanocomposite morphology explains the effect of these combined compounding approaches on GNP particle dispersion and their relation to the improved GNP/PEI nanocomposite performance.

    Translated title of the contributionSolid state ball milling : Path to optimised dispersion of multifunctional nanofillers
    LanguageGerman
    Pages283-285
    Number of pages3
    Specialist publicationGummi, Fasern, Kunststoffe
    StatePublished - May 1 2014

    Profile

    Ball milling
    Graphene
    Nanocomposites
    Graphite
    Extrusion
    Polyetherimides
    Mechanical properties
    Processing
    polyetherimide
    Compounding (chemical)
    Adhesion
    Electric Conductivity

    ASJC Scopus subject areas

    • Polymers and Plastics
    • Materials Chemistry
    • Chemical Engineering(all)
    • Chemistry(all)

    Cite this

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    title = "Feststoffvermahlung mit der kugelmühle: Ein weg zur optimierung der dispersion multifunktioneller nanofüllstoffe",
    abstract = "A new efficient, solvent-free compounding method, solid state ball milling (SSBM), has been identified as a viable new processing method for nanocomposites which succeeds in simultaneously lowering the percolation threshold and achieving excellent mechanical properties. Polyetherimide (PEI) nanocomposites reinforced with exfoliated graphite (graphene) nanoplatelets (GNP) were fabricated by various processing methods to achieve good dispersion including: melt-extrusion, solid state ball milling (SSBM) as well as combinations of these methods. SSBM was investigated as an alternative process to enhance dispersion, adhesion and to reduce GNP size. High electrical conductivity was achieved by this approach as compared to melt-extrusion. Further improvements of the mechanical properties could be made by combining the extrusion and SSBM approaches. Examination of the nanocomposite morphology explains the effect of these combined compounding approaches on GNP particle dispersion and their relation to the improved GNP/PEI nanocomposite performance.",
    author = "H. Wu and Drzal, {L. T.}",
    year = "2014",
    month = "5",
    volume = "67",
    pages = "283--285",
    journal = "GAK Gummi Fasern Kunststoffe",
    issn = "0176-1625",
    publisher = "Dr. Gupta Verlag",

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