Thermal and electrical properties of nanocomposite poly o-anisidine/metal oxides

Poly o-anisidine (POA) was prepared by chemical oxidation polymerization, and the nanocomposite of this polymer was mixed with different nanopowder metal oxides. The size and morphology of these synthesized POA/nanocomposites were shown using a transmission electron microscope (TEM). Fourier-transfo...

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Bibliographic Details
Published in:High performance polymers 2012-11, Vol.24 (7), p.625-631
Main Authors: Mansour, N. A., Mohamed, M. G., Abed, M. Yahia, Mazrouaa, Azza M.
Format: Article
Language:English
Subjects:
COMPOSITES
COPPER OXIDE
ELECTRICAL CONDUCTIVITY
ELECTRICAL PROPERTIES
Metal oxides
MICROSTRUCTURES
Nanocomposites
Nanomaterials
Nanostructure
OXIDES
POLYMERS
Resistivity
THERMAL STABILITY
THERMOGRAVIMETRIC ANALYSIS
TITANIUM DIOXIDE
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Summary:Poly o-anisidine (POA) was prepared by chemical oxidation polymerization, and the nanocomposite of this polymer was mixed with different nanopowder metal oxides. The size and morphology of these synthesized POA/nanocomposites were shown using a transmission electron microscope (TEM). Fourier-transform infrared (FTIR) spectroscopy has been used to investigate the microstructure of the synthesized POA/nanocomposites. Thermal stability thermogravimetric analysis (TGA) and electrical conductivity of POA/nanocomposites were studied in the temperature range 40–120°C. It was found that the nanopowder metal oxides improve the thermal stability of POAs, except TiO2, while the POA/CuO nanocomposite has the most thermal stability. Also the thermal stability is increases when the temperature is increased. The POA/nanocomposites reveal enhanced conductivity compared to conventional bulk POA. The highest electrical conductivity is obtained when the polymer mixes with CuO.
ISSN:0954-0083
1361-6412
DOI:10.1177/0954008312446766