Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/5138
Title: Effects of particle size and electrical resistivity of filler on mechanical, electrical, and thermal properties of linear low density polyethylene-zinc oxide composites
Authors: Özmıhçı Ömürlü, Filiz
Balköse, Devrim
Özmıhçı Ömürlü, Filiz
Balköse, Devrim
Izmir Institute of Technology. Chemical Engineering
Keywords: Thermal conductivity
Composites
Mechanical properties
Zinc oxide
Morphology
Issue Date: Nov-2013
Publisher: John Wiley and Sons Inc.
Source: Özmıhçı Ömürlü, F., and Balköse, D. (2013). Effects of particle size and electrical resistivity of filler on mechanical, electrical, and thermal properties of linear low density polyethylene-zinc oxide composites. Journal of Applied Polymer Science, 130(4), 2734-2743. doi:10.1002/app.39433
Abstract: The effects of particle size and electrical resistivity of zinc oxide (ZnO) on mechanical properties, electrical and thermal conductivities of composites made with linear low density polyethylene (LLDPE) were investigated. Micron sized (mZnO), submicron sized (sZnO), and nano sized (nZnO) powders having resistivities of 1.5 × 106, 1.5 × 109, and 1.7 × 108 were used to prepare composites with 5-20 vol % filler. The tensile strength was lowered and the modulus of elasticity of the composites was increased with ZnO addition. Rather than the particle size of the ZnO, its initial resistivity and aspect ratio affected the resistivity of composites. The resistivity of the LLDPE was lowered from 2.3 × 1016 Ω cm down to 1.4 × 1010 Ω cm with mZnO addition. Thermal conductivity of the composites was increased with ZnO addition 2.5-3 times of the polymer matrix. The composites can be used for electrostatically dissipating and heat sink applications due to their decreased electrical resistivity and increased thermal conductivity.
URI: https://doi.org/10.1002/app.39433
http://hdl.handle.net/11147/5138
ISSN: 0021-8995
0021-8995
1097-4628
Appears in Collections:Chemical Engineering / Kimya Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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