Electrical and thermal characterization of a composite material of HDPE/PPy/CB/CNT
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Keywords

Resistance
composite materials
electricity grids. resistencia
materiales compuestos
las redes eléctricas

How to Cite

Salgado-Delgado, R., Olarte-Paredes, A., Salgado Delgado, A. M., Vargas Galarza, Z., García Hernández, E., Rubio Rosas, E., López Lara, T., & Hernández Zaragoza, J. B. (2016). Electrical and thermal characterization of a composite material of HDPE/PPy/CB/CNT. Acta Universitaria, 26(2), 55–62. https://doi.org/10.15174/au.2016.980

Abstract

The study of composite materials has had a fundamental importance in scientific research and technological applications, due to their different properties. This paper aims to describe the characterization of thermal and electrical properties of the composite materials of polypyrrole (PPy)/carbon black (CB)/carbon nanotube (CNT) in a matrix of high density polyethylene (HDPE). The electrical properties of the composites were studied by the van der Pauw method and current-temperature. Obtained resistivity results were up to 1.07E-01 Ω.cm for composite materials HDPE/PPy/CB/CNT. The impedance spectroscopy study showed that there is no charge retention material, behaving similarly as a semiconductor. Thermogravimetric analysis TGA showed increased thermal resistivity of the composites conferred by the presence of the fillers used. Morphology was studied by scanning electron microscopy (SEM), showing the distribution of load, aggregate formation and conductors in the composite bridges.

https://doi.org/10.15174/au.2016.980
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