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Dielectric Analysis of Single Walled Carbon Nanotubes Loaded SMC Composites Depending on Resin Type

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Title Dielectric Analysis of Single Walled Carbon Nanotubes Loaded SMC Composites Depending on Resin Type
 
Creator Ilgaz, Aykut
 
Subject Single walled carbon nanotube
Unsaturated polyester
Vinylester
Conductivity
Dielectric permittivity
Electric modulus
 
Description 521-528
This paper investigates effect of different industrial resins including vinyl ester and unsaturated polyester produced by
sheet moulding compound (SMC) method on conductivity and dielectric properties of single walled carbon nanotubes
(SWCNT) modified glass fiber reinforced polymer composites (GFRP), comparatively. Alternating current (AC)
conductivities, complex dielectric permittivity, dissipation factor (DF), electric modulus of unsaturated polyester and vinyl
ester resin-based composites was examined by impedance analyzer depending on frequency range from 10-2 Hz to 107 Hz at
room temperature. Cole–Cole approach was used to describe the impedance characteristics of tested samples. In order to
clearly understand the effect of resin type, the glass fiber and carbon nanotube filling ratios in the produced materials were
kept constant. AC conductivity results showed that VE composite exhibited better performance than UP composite in all
frequency. The theoretical models including Power Law and Linear Regression (LR) algorithm also confirmed the
experimental results about the conductivity of the composites. A comparison of the dielectric characteristics between
SWCNT/VE and SWCNT/UP binary composites indicated that VE based composite exhibited superior dielectric properties
compared to the UP based sample. In addition, scanning electron microscopy (SEM) images have been taken to observe
distribution and organization of fillers in polymer composites.
 
Date 2022-06-10T06:37:54Z
2022-06-10T06:37:54Z
2022-06
 
Type Article
 
Identifier 0975-0959 (Online); 0301-1208 (Print)
http://nopr.niscpr.res.in/handle/123456789/59877
 
Language en
 
Publisher NIScPR-CSIR, India
 
Source IJPAP Vol.60(06) [June 2022]