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Ekonomsko-poslovna fakulteta, Maribor (EPF)
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  • Morphology and mechanical properties of iPP/silica composites modified with (Styrene-b-ethylene-co-butylene-b-styrene) grafted with maleic anhydride
    Pustak, Anđela ...
    The effects of different silica grades and elastomer content on interfacial properties, morphology and mechanical properties of polypropylene/silica 96/4 composites modified with added 5, 10, 15, and ... 20% of poly(styrene-b-ethylene-co-butylene-b-styrene) grafted with maleic anhydride (SEBS-g-MA) were investigated. The iPP/silica/SEBS-g-MA composites were designed by adding four silica fillers differing in size (nano- vs. micro-) and in surface properties (hydrophilic vs. hydrophobic) and SEBS-g-MA that was used as a proven effective impact modifier and compatibilizer simultaneously. The morphology of every composite was a spectrum of several morphologies rather than one exclusive morphology. Good concordance between observed and predicted morphology indicated that the morphology of a particular composite was controlled primarily by interfacial properties. Tensile and impact properties were influenced primarily by competitive effects of a stiff filler and tough SEBS-g-MA elastomer. Increased impact strength and strain at break caused by adding SEBS-g-MA indicated a significant overcoming of the elastomeric toughening effect in relation to the fillerʹs stiffening effect.
    Vir: Polymer-plastics technology and engineering. - ISSN 0360-2559 (Vol. 54, no. 6, 2015, str. 647-660)
    Vrsta gradiva - članek, sestavni del
    Leto - 2015
    Jezik - angleški
    COBISS.SI-ID - 11960348

    Povezava(-e):

    http://dx.doi.org/10.1080/03602559.2014.979495
    DOI

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