Volume 122, Issue 3 p. 1921-1935

Effects of SiO2 and Al2O3 nanofillers on polyethylene properties

Denis Panaitescu,

Corresponding Author

Polymer Department, National Institute of Research and Development in Chemistry and Petrochemistry ICECHIM, 202 Spl. Independentei, Bucharest 060021, Romania

Polymer Department, National Institute of Research and Development in Chemistry and Petrochemistry ICECHIM, 202 Spl. Independentei, Bucharest 060021, Romania===Search for more papers by this author
Florin Ciuprina,

ELMAT Laboratory, Faculty of Electrical Engineering, POLITEHNICA University of Bucharest, 313 Splaiul Independentei, Bucharest 060042, Romania

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Michaela Iorga,

Polymer Department, National Institute of Research and Development in Chemistry and Petrochemistry ICECHIM, 202 Spl. Independentei, Bucharest 060021, Romania

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Adriana Frone,

Polymer Department, National Institute of Research and Development in Chemistry and Petrochemistry ICECHIM, 202 Spl. Independentei, Bucharest 060021, Romania

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Constantin Radovici,

Polymer Department, National Institute of Research and Development in Chemistry and Petrochemistry ICECHIM, 202 Spl. Independentei, Bucharest 060021, Romania

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Marius Ghiurea,

Polymer Department, National Institute of Research and Development in Chemistry and Petrochemistry ICECHIM, 202 Spl. Independentei, Bucharest 060021, Romania

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Serban Sever,

Polymer Department, National Institute of Research and Development in Chemistry and Petrochemistry ICECHIM, 202 Spl. Independentei, Bucharest 060021, Romania

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Ilona Plesa,

ELMAT Laboratory, Faculty of Electrical Engineering, POLITEHNICA University of Bucharest, 313 Splaiul Independentei, Bucharest 060042, Romania

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First published: 10 June 2011
Citations: 32

Abstract

Polymers filled with inorganic nanoparticles have become interesting materials as dielectrics because of their improved mechanical and electrical properties compared with the unfilled polymers and with polymer microcomposites. These improvements are mainly due to the large surface area of nanoparticles and new polymer–nanofiller interface characteristics. In the present work, polyethylene nanocomposites with SiO2 and Al2O3 nanoparticles were prepared by melt mixing. Mechanical and electrical properties of these composites were determined and morphological aspects were revealed by scanning electron microscopy, wide-angle X-ray diffraction, and atomic force microscopy. The effect of nanostructure and the importance of nanofiller dispersion were analyzed in connection with mechanical and electrical properties. © 2011 Wiley Periodicals, Inc. J Appl Polym Sci, 2011

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