Polypropylene/organoclay/SEBS nanocomposites with toughness-stiffness properties

Catalina-Gabriela Sanporean (nee Potarniche), Zina Vuluga, Constantin Radovici, Denis Mihaela Panaitescu, Michaela Iorga, Jesper deClaville Christiansen, Alessandra Mosca

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    Abstract

    Polypropylene nanocomposites with a different amount of styrene-ethylene-butylene-styrene block copolymer (SEBS)/clay were prepared via a melt mixing technique. To improve the dispersion of commercial organoclay (denoted as OMMT), various amounts of SEBS were incorporated. At a fixed content of OMMT, the mechanical properties were improved with increasing SEBS content. The obtained nanocomposites were characterized through X-ray diffraction (XRD), differential scanning calorimetry (DSC-TG) and mechanical tests. The thermal-morphological-mechanical properties were investigated. The nanomaterials presented an improved decomposition temperature, a small decrease in tensile strength, a higher Young's modulus and a spectacular increase of 300% in impact strength.
    Original languageEnglish
    JournalR S C Advances
    Volume4
    Issue number13
    Pages (from-to)6573-6579
    Number of pages7
    ISSN2046-2069
    DOIs
    Publication statusPublished - 2014

    Keywords

    • Chemical Engineering (all)
    • Chemistry (all)
    • CHEMISTRY,
    • SEBS-G-MA
    • MECHANICAL-PROPERTIES
    • POLYPROPYLENE/MONTMORILLONITE NANOCOMPOSITES
    • POLYPROPYLENE/CLAY NANOCOMPOSITES
    • SILICATE NANOCOMPOSITES
    • PROCESSING CONDITIONS
    • FRACTURE-TOUGHNESS
    • TRIBLOCK COPOLYMER
    • HYBRID COMPOSITES
    • MORPHOLOGY
    • Bond (masonry)
    • Differential scanning calorimetry
    • Elastic moduli
    • Polypropylenes
    • Tensile strength
    • X ray diffraction
    • Decomposition temperature
    • Melt mixing
    • Polypropylene nanocomposites
    • Styrene-ethylene-butylene-styrene block copolymer
    • Young's Modulus
    • Nanocomposites

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