Abstract
AbstractPolypropylene (PP) nanocomposites with three different functionalized‐multiwalled nanotubes (F‐MWNTs) are compared in terms of their thermomechanical properties, morphology, oxygen permeability, and optical transparency. The F‐MWNTs dodecanol‐MWNT, dodecylamine‐MWNT, and 1,1,1,3,3,3‐hexafluoro‐2‐phenyl‐2‐propanol‐MWNT were combined with PP to produce hybrid films. The variations of their properties with the matrix polymer F‐MWNT content are discussed. Transmission electron microscopy photographs show that most of the F‐MWNTs are dispersed homogeneously in the matrix polymer on the nanoscale, although some agglomerated F‐MWNT particles are formed. Even composites with low F‐MWNT contents (≤3 wt %) exhibit much better thermomechanical values than pure PP. The gas permeability of the hybrids was found to decrease linearly with increases in the F‐MWNT content of the PP matrix. © 2010 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Phys, 2010
Published Version
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