Study on dielectric and magnetic properties of WCNTs/polyester composites

• Main Authors: Lee, Yeng Seng, Abdul Malek, Mohamad Fareq, Cheng, Ee Meng, Liu, Wei Wen, You, Kok Yeow, Wee, F. W., Zahid, Liyana, Jusoh, Mohd. Asri, Hussain, A. D. T., Shasidharan, G. N.
• Format: Conference or Workshop Item
• Published: 2015
• Subjects: QC Physics
• Online Access: http://eprints.utm.my/id/eprint/60604/; https://www.scientific.net/AMM.815.188

This paper is to study the dielectric properties, magnetic properties, and dielectric conductivity of Multi-walled carbon nanotubes (MWCNTs) and polyester (PE) composites. The composites with different amount of MWCNTs (5-15%) have been studied in the Ku-Band range (12.4-18 GHz). The rectangular waveguide (WR-62) was used to measure the dielectric properties and magnetic properties of the samples. The results show the dielectric properties and conductivity of MWCNTs/PE composites is increasing with the MWCNTs filler increases. The real part of dielectric properties values increase from 5.5 to 26.6 with increasing the MWCNTs loading from 5 % to 15 %. The increasing of MWCNTs filler in the MWCNTs/PE composites does not effects on magnetic properties, the real part and imaginary part of magnetic properties are approximate to 1 and 0. The highest conductivity of 15 % MWCNTs loading is reach to 11.02 (S/m) at 18 GHz. Keywords: composites, dielectric properties, magnetic properties, conductivity.