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Oxygen Barrier Properties of Poly(ethylene terephthalate) Nanocomposite Films
Author(s) -
Frounchi Masoud,
Dourbash Alireza
Publication year - 2009
Publication title -
macromolecular materials and engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.913
H-Index - 96
eISSN - 1439-2054
pISSN - 1438-7492
DOI - 10.1002/mame.200800238
Subject(s) - organoclay , materials science , nanocomposite , oxygen permeability , montmorillonite , intercalation (chemistry) , composite material , ultimate tensile strength , polymer , oxygen , ethylene , morphology (biology) , chemical engineering , organic chemistry , chemistry , biology , engineering , genetics , catalysis
Nanocomposites of poly(ethylene terephthalate) and two different montmorillonite‐based organoclays were prepared by a co‐rotating twin screw extruder. Dispersion of nanoclays in the polymer matrix was examined by TEM and XRD. Nanocomposites with lower content of organoclay showed exfoliated morphology while by increasing the amount of organoclay the intercalated morphology was more prevalent. Both organoclays had a good intercalation with PET and were uniformly dispersed within the polymer. Oxygen permeability of thin films of nanocomposites showed that the nanocomposites had better oxygen barrier properties than the neat PET. Tensile and impact properties of the nanocomposites also were measured.