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This paper provides an overview of the dielectric behavior of composites consisting of polyethylene and halloysite nanotubes. The aim is to evaluate the changes in the dielectric properties depending on the different level of HNT filling and differences in processing technologies. The emphasis is placed on the evaluation of dielectric polarizations and their basic mathematical description. Furthermore,...
Halloysite nanotubes (HNT) represent a type of aluminosilicate clay of natural origin with nanotubular structure. HNT have been started to use in many industrial fields, including the application in the electrical engineering. This paper is focused on the determination of dielectric properties of pure halloysite nanotubes, as well as, a polyethylene (LLDPE and HDPE) based HNT nanocomposite (blends)...
This paper deals with the influence of nanofiller on the behaviour of polymer dielectric in an electrical alternating field. As the basic polymer is selected a linear low-density polyethylene and as a nanofiller a perspective material based on aluminosilicates known as the Halloysite nanotubes is used. A broadband dielectric spectroscopy is applied as a diagnostic method. This method allows us to...
Paper deals with analysis and description of the curing process of the samples made of the epoxy resin using method of Fourier transform infrared spectroscopy (FT-IR) in technique of Attenuated Total Reflectance (ATR). Infrared spectra were measured on samples cured in two steps with isothermals at 93 °C and 150 °C when samples in delivered state and cured for 20, 42, 52, 60, 70, 90 and 110 minutes...
Paper deals with comparing of dielectric, mechanical and structural properties of primary cable insulation based on cross-linked low density polyethylene (XLPE) with different level of cross-linking. Testing material was divided into four groups according to time of exposition to low pressure steam, which initiates cross-linking reaction. The measurement of the degree of cross-linking by chemical...
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