Effect of crystal orientation and nanofiller alignment on dielectric breakdown of polyethylene/montmorillonite nanocomposites

Bo Li; Panagiotis I. Xidas; Kostas S. Triantafyllidis; Evangelos Manias

doi:10.1063/1.4996717

Effect of crystal orientation and nanofiller alignment on dielectric breakdown of polyethylene/montmorillonite nanocomposites

Bo Li, Panagiotis I. Xidas, Kostas S. Triantafyllidis, Evangelos Manias

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41 Scopus citations

Abstract

Extrusion blown polyethylene and polyethylene/montmorillonite nanocomposite films were cold stretched to various ratios to quantify the influence of the crystal orientation and the nanofiller alignment on their dielectric breakdown performance. It was found that the crystal orientation could increase the breakdown strength (E_BD) in the stretched blown films. The aligned pseudo-2D inorganic nanoclays provided additional strong improvements in E_BD that can be superimposed to any E_BD enhancement due to the polymer crystal orientation. At high filler loadings and high stretching ratios, the onset of percolation was observed through a substantial improvement in the dielectric breakdown strength.

Original language	English (US)
Article number	082906
Journal	Applied Physics Letters
Volume	111
Issue number	8
DOIs	https://doi.org/10.1063/1.4996717
State	Published - Aug 21 2017

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.4996717

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title = "Effect of crystal orientation and nanofiller alignment on dielectric breakdown of polyethylene/montmorillonite nanocomposites",

abstract = "Extrusion blown polyethylene and polyethylene/montmorillonite nanocomposite films were cold stretched to various ratios to quantify the influence of the crystal orientation and the nanofiller alignment on their dielectric breakdown performance. It was found that the crystal orientation could increase the breakdown strength (EBD) in the stretched blown films. The aligned pseudo-2D inorganic nanoclays provided additional strong improvements in EBD that can be superimposed to any EBD enhancement due to the polymer crystal orientation. At high filler loadings and high stretching ratios, the onset of percolation was observed through a substantial improvement in the dielectric breakdown strength.",

author = "Bo Li and Xidas, {Panagiotis I.} and Triantafyllidis, {Kostas S.} and Evangelos Manias",

note = "Funding Information: Financial support from the National Science Foundation, as part of the Center for Dielectrics and Piezoelectrics under Grant Nos. IIP-1361571 and IIP-1361503 is acknowledged. Additional support through CSC and ΓΓET fellowships is acknowledged by B.L. and P.I.X., respectively. Publisher Copyright: {\textcopyright} 2017 Author(s).",

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AU - Li, Bo

AU - Xidas, Panagiotis I.

AU - Triantafyllidis, Kostas S.

AU - Manias, Evangelos

N1 - Funding Information: Financial support from the National Science Foundation, as part of the Center for Dielectrics and Piezoelectrics under Grant Nos. IIP-1361571 and IIP-1361503 is acknowledged. Additional support through CSC and ΓΓET fellowships is acknowledged by B.L. and P.I.X., respectively. Publisher Copyright: © 2017 Author(s).

PY - 2017/8/21

Y1 - 2017/8/21

N2 - Extrusion blown polyethylene and polyethylene/montmorillonite nanocomposite films were cold stretched to various ratios to quantify the influence of the crystal orientation and the nanofiller alignment on their dielectric breakdown performance. It was found that the crystal orientation could increase the breakdown strength (EBD) in the stretched blown films. The aligned pseudo-2D inorganic nanoclays provided additional strong improvements in EBD that can be superimposed to any EBD enhancement due to the polymer crystal orientation. At high filler loadings and high stretching ratios, the onset of percolation was observed through a substantial improvement in the dielectric breakdown strength.

AB - Extrusion blown polyethylene and polyethylene/montmorillonite nanocomposite films were cold stretched to various ratios to quantify the influence of the crystal orientation and the nanofiller alignment on their dielectric breakdown performance. It was found that the crystal orientation could increase the breakdown strength (EBD) in the stretched blown films. The aligned pseudo-2D inorganic nanoclays provided additional strong improvements in EBD that can be superimposed to any EBD enhancement due to the polymer crystal orientation. At high filler loadings and high stretching ratios, the onset of percolation was observed through a substantial improvement in the dielectric breakdown strength.

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Effect of crystal orientation and nanofiller alignment on dielectric breakdown of polyethylene/montmorillonite nanocomposites

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