Polypropylene Nanocomposites with Various Functionalized-Multiwalled Nanotubes: Thermomechanical Properties, Morphology, Gas Permeation, and Optical Transparency

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Polypropylene (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. (c) 2010 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Phys 49: 244-254, 2011
Publisher
WILEY-BLACKWELL PUBLISHING
Issue Date
2011-02
Language
English
Article Type
Article
Keywords

WALLED CARBON NANOTUBES; MOLECULAR-WEIGHT POLYETHYLENE; IN-SITU POLYMERIZATION; MECHANICAL-PROPERTIES; RADICAL POLYMERIZATION; POLYMERS; COMPOSITES; DISPERSION; FILMS

Citation

JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS, v.49, no.3, pp.244 - 254

ISSN
0887-6266
DOI
10.1002/polb.22173
URI
http://hdl.handle.net/10203/99644
Appears in Collection
PH-Journal Papers(저널논문)
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