Mechanical, thermal and flammability properties of ethylenevinyl acetate (EVA)/sepiolite nanocomposites

Ethylene-vinyl acetate (EVA)/sepiolite nanocomposites were prepared by melt blending in a twin screw extruder. The structural, morphological, thermal, flammability and mechanical properties of the EVA/sepiolite nanocomposites were investigated using X-ray diffraction (XRD), Fourier transform infrare...

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Bibliographic Details
Published in:Polymer testing 2014-08, Vol.37, p.117-122
Main Authors: Bidsorkhi, Hossein Cheraghi, Soheilmoghaddam, Mohammad, Pour, Raheleh Heidar, Adelnia, Hossein, Mohamad, Zurina
Format: Article
Language:English
Subjects:
Acetates
Diffraction
Ethylene vinyl acetates
Flammability
Fourier transforms
Nanocomposites
Sepiolite
X-rays
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Summary:Ethylene-vinyl acetate (EVA)/sepiolite nanocomposites were prepared by melt blending in a twin screw extruder. The structural, morphological, thermal, flammability and mechanical properties of the EVA/sepiolite nanocomposites were investigated using X-ray diffraction (XRD), Fourier transform infrared (FTIR), field emission scanning electron microscopy (FESEM), thermal analysis, tensile properties and limiting oxygen index (LOI) measurements. X-ray diffraction analysis and FESEM revealed good dispersion of sepiolite in EVA matrix. The tensile strength of EVA/sepiolite increased by 21% and Young's modulus increased by 47% at 5 wt% and 7 wt% sepiolite content, respectively. The thermal stability and fire retardancy of the nanocomposites improved with sepiolite incorporation.
ISSN:0142-9418
DOI:10.1016/j.polymertesting.2014.05.007