Journal
JOURNAL OF COMPOSITE MATERIALS
Volume 51, Issue 28, Pages 3923-3929Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1177/0021998317695419
Keywords
High-density polyethylene; Fe3O4 nanoparticles; nanocomposite; crystallinity; dielectric properties
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Funding
- Iranian Ministry of Science, Research and Technology (MSRT)
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High-density polyethylene nanocomposites containing Fe3O4 nanoparticles were prepared by employing melt mixing process. The amorphous Fe3O4 nanoparticles with average size about 50nm were prepared by the conventional coprecipitation method from iron ( and ). Thermal and dielectric properties of high-density polyethylene and its nanocomposites were investigated via differential scanning calorimetry and electrochemical impedance spectroscopy. The crystalline structure of high-density polyethylene and Fe3O4/high-density polyethylene nanocomposite were studied by wide-angle X-ray diffraction, which confirmed orthorhombic crystalline structure. The results of thermal and dielectric analysis indicated that the addition of Fe3O4 nanoparticles to high-density polyethylene matrix leads to decreasing degree of crystallinity and improvement of dielectric constant.
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