Please use this identifier to cite or link to this item: https://physrep.ff.bg.ac.rs/handle/123456789/1373
Title: Influence of temperature and fiber structure on the dielectric properties of polypropylene fibrous structures
Authors: Cerovic, Dragana D.
Petronijević, Ivan 
Dojcilovic, Jablan R.
Keywords: Dielectric spectroscopy;Polypropylene fibrous structure;Temperature
Issue Date: 1-Mar-2014
Journal: Polymers for Advanced Technologies
Abstract: 
In this work, dielectric spectroscopy was conducted on five commercial woven polypropylene-based fabrics. Measurements of dielectric loss tangent, the effective relative dielectric permeability and ac electrical conductivity were performed over a wide range of temperature and frequency. The results in temperature range from 250K to 355K showed that the samples with lower value of volume fraction whose yarn is made from a short fiber have a lower value of the above mentioned dielectric parameters than the samples with bigger value of volume fraction and filament yarn along the weft and the warp lines. Based on the results gained from the measurements in the vacuum and ambient conditions, it can be concluded that the samples with a lower value of volume fraction, whose yarn is made from a short fiber, showed stability of dielectric properties in the measurement interval. © 2014 John Wiley & Sons, Ltd.
URI: https://physrep.ff.bg.ac.rs/handle/123456789/1373
ISSN: 10427147
DOI: 10.1002/pat.3245
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