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Please use this identifier to cite or link to this item: http://repository.iitr.ac.in/handle/123456789/14707
Title: Electrically conductive green composites based on epoxidized linseed oil and polyaniline: An insight into electrical, thermal and mechanical properties
Authors: Khandelwal V.
Sahoo S.K.
Kumar A.
Manik G.
Published in: Composites Part B: Engineering
Abstract: Renewable resource based electrically conductive composites were prepared using polyaniline (PANI) as a conductive filler and epoxidized linseed oil (ELO) as the matrix. Linseed oil (LO) was epoxidized to form ELO and characterized through 1H NMR and IR spectra. Bio-based ELO/PANI conducting composites were prepared by varying the PANI concentration with an aim of attaining the electrical conductivity in the antistatic range (10−8 to 10−3 S/cm) to replace its petro-based counterpart. Conductivity increased with PANI upto the order of 10−6 S/cm with percolation threshold at around 7% of PANI. The shear stress and viscosity of the uncured ELO resin and ELO/PANI resin mixture were studied as a function of shear rate. Differential scanning calorimetry (DSC) studies showed that addition of PANI had a minimal effect on ELO curing at all concentrations. Dynamic mechanical analysis indicated that PANI as a filler provided mechanical fortification in the rubbery region and increased glass transition temperature (Tg) significantly. Thermal stability of ELO remained almost unaffected with the PANI incorporation. Microscopic observation revealed good distribution of PANI in ELO matrix even at higher loading. Interestingly, tensile strength and Young's modulus increased by ∼8 and ∼27 folds, respectively, at 15% PANI content. © 2017 Elsevier Ltd
Citation: Composites Part B: Engineering (2018), 136(): 149-157
URI: https://doi.org/10.1016/j.compositesb.2017.10.030
http://repository.iitr.ac.in/handle/123456789/14707
Issue Date: 2018
Publisher: Elsevier Ltd
Keywords: Bio-epoxy resin
Electrical properties
Polymer-matrix composites (PMCs)
Thermosetting resin
ISSN: 13598368
Author Scopus IDs: 57191897120
57203054461
57199165624
56595314900
Author Affiliations: Khandelwal, V., Department of Polymer and Process Engineering, IIT Roorkee Saharanpur Campus, Saharanpur, 247001, India
Sahoo, S.K., Department of Polymer and Process Engineering, IIT Roorkee Saharanpur Campus, Saharanpur, 247001, India
Kumar, A., CSIR - National Physical Laboratory, Dr. K. S. Krishnan MargNew Delhi 110012, India
Manik, G., Department of Polymer and Process Engineering, IIT Roorkee Saharanpur Campus, Saharanpur, 247001, India
Funding Details: Authors are thankful to the Ministry of Human Resource Development (MHRD) , Government of India for financial support.
Corresponding Author: Manik, G.; Department of Polymer and Process Engineering, IIT Roorkee Saharanpur CampusIndia; email: manikfpt@iitr.ac.in
Appears in Collections:Journal Publications [PE]

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