Dielectric analysis of halloysite nanotubes LLDPE nanocomposite compounds

0461495 - ÚMCH 2017 RIV US eng C - Conference Paper (international conference)
Čermák, M. - Kadlec, P. - Kruliš, Zdeněk - Polanský, R.
Dielectric analysis of halloysite nanotubes LLDPE nanocomposite compounds.
AIP Conference Proceedings 1713. Melville: American Institute of Physics, 2016 - (Rhee, B.), 090007_1-090007_5. ISBN 978-0-7354-1360-3. ISSN 0094-243X.
[International Conference of the Polymer-Processing-Society /31./ - PPS-31. Jeju Island (KR), 07.06.2015-11.06.2015]
Institutional support: RVO:61389013
Keywords : halloysite nanotube * polymer nanocomposite * polarization
Subject RIV: CD - Macromolecular Chemistry

The aim of this paper is to investigate the influence of HNT on the dielectric properties of LLDPE (linear low density polyethylene) nanocomposite compounds in the different level of fulfillment (0, 1, 3. 7 wt%). The utilization of these HNT/LLDPE nanocomposite compounds can be seen in the cable industry. where the dielectric properties are essential. Used experimental compounds have been prepared in the laboratory blades mixer Brabender W50 EHT and the plasticorder Brabender PLE 651. immediately after mixing, the molten compounds were removed front the mixer, inserted into the spacer, and pressed into films of 0.25 mm thickness. Dielectric properties in the DC field (polarization current, reading of polarization index, volume resistivity) of the individual samples were measured and the temperature and frequency range by Broadband dielectric spectroscopy Alpha-A (Novocontrol) were investigated. Samples have been subjected to the dielectric strength test according to standards. As results showed, experimental samples were affected by HNT, especially in the dielectric relaxation phenomena, when during the increment of the level of fulfilment occurred the increasing of the nearly lossless dielectric relaxations. The volume resistivity of the samples was affected in the range of one magnitude.
Permanent Link: http://hdl.handle.net/11104/0261200