Effect of silver coating on electrical properties of sisal fibre-epoxy composites

Trihotri, Manindra; Jain, Deepak; Dwivedi, Umesh Kumar; Haque, Fozia Z.; Malik, М. M.; Qureshi, M.S.

doi:10.1007/s00289-013-1036-7

Cited by 19 publications

(6 citation statements)

References 20 publications

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“…It has been already shown that the introduction of conductive particles into a dielectric polymer matrix increases the dielectric permittivity [39,44,45]. It has been associated with a Maxwell -Wagner -Sillars (MWS) polarization: electric charges are trapped at the particle/matrix interface [46,47]. This dielectric phenomenon could have a specific interest for electronic devices [6].…”

Section: Influence Of Graphene On the Dielectric Permittivity In The mentioning

confidence: 99%

Electrical behavior of a graphene/PEKK and carbon black/PEKK nanocomposites in the vicinity of the percolation threshold

Bessaguet

Dantras²,

Michon

et al. 2019

Journal of Non-Crystalline Solids

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Graphene and carbon black have been dispersed in a high performance thermoplastic polymer, the poly(ether ketone ketone), to improve its electrical conductivity. The dispersion of graphene has a significant influence on the percolation threshold. A simple exfoliation protocol to obtain graphene monolayers has led to a significant decrease of the percolation threshold from 4.2 to 1. 9 vol%. To the best of our knowledge, it is one of the lowest percolation values for unfunctionalized graphene dispersed by melt blending in a high performance thermo plastic matrix. The conductivity value above the percolation threshold (1.2 S•m-i) means that graphene was not degraded during the elaboration process. Below the percolation threshold, Maxwell-Wagner-Sillars phenomenon increases the dielectric permittivity from 2.7 to 210 for PEKK/6 vol% graphene at 180 °C and 1 Hz. Dynamic mechanical analyses have shown that mechanical moduli were not significantly modified by conductive particles until 6 vol%.

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Section: Influence Of Graphene On the Dielectric Permittivity In The mentioning

confidence: 99%

Electrical behavior of a graphene/PEKK and carbon black/PEKK nanocomposites in the vicinity of the percolation threshold

Bessaguet

Dantras²,

Michon

et al. 2019

Journal of Non-Crystalline Solids

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“…They are utilized as material for sunscreen creams, protective clothing, ceiling, and floor covering. The regular fibres like flax, hemp, sisal, and fleece are presently utilized as automotive and electrical parts [43][44] . The coir/polyester built up composite was utilized in the paperweights, projector cover, head protector, rooftop etc.…”

Section: Applications Of the Bio Based Polymeric Compositesmentioning

confidence: 99%

Natural Fibre based Biocomposites and Their Applications (Brief Review)

Nigrawal

Haque

2022

Orient. J. Chem

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The rising environmental and ecological awareness has motivated hard work in support of growth of new pioneering resources for a variety of end-use application. Polymeric composites prepared from natural resources, occupied substantial research awareness from the last upcoming years. In this paper a summarized effort that includes the vicinity of biocomposites, majority of the category of eco-friendly polymers, natural fibres, highlighted with production techniques and properties of these composites are discussed. A variety of interface alteration methods were included to advance the fibre–matrix bond resultant in the improvement of different characteristics of the bio based composites. This paper conclude that the bio based composites constitute a promising field in polymeric composites that increase awareness for applications in various fields ranges from vehicle to the construction industries.

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“…The lower value of dielectric constant and dielectric loss of sisal epoxy composite was because of molecular motion of polymeric chain at the composite interface resulting from the excellent interlocking between the matrix and fiber. Silver‐coated sisal epoxy composite exhibited increased dielectric constant with the increase in temperature and decrease in frequency . The dielectric properties of sisal reinforced composite were evaluated as a function of frequency.…”

Section: Introductionmentioning

confidence: 99%

Sisal fibril epoxy composite—a high strength electrical insulating material

et al. 2017

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Environment friendly high strength electrical insulating material was developed using fibrillated sisal and epoxy resin. Coarse sisal fibers were fibrillated into fibrils using mechanical disintegration. Fibrillated fibers provided a high strength, renewable, light weight dielectric variant reinforcement to epoxy resin. Different weight fractions (10–35%) of Agave sisalana fibrils were thoroughly mixed with epoxy resin system to develop composites. Chemical treatment was employed to improve the surface as well as chemical composition of sisal fibril to enhance mechanical strength and electrical insulating properties of composite. Chemical treatment of fibrils improved the tensile strength from 47.4 to 51.99 MPa at 35 wt% loading of sisal fibril in epoxy composite. A few important predictive models namely rule of mixture, Halpin–Tsai, Nielson Chen and Manera model were compared with the experimental values obtained in this present study. Nielson Chan model predicted the experimental data most accurately with an average relative error of 15.82%. Similarly the dissipation factor touched a level of 0.097, thereby indicating good insulation properties of composite. The tests were conducted at lower frequency range to higher frequency range 1–10 kHz and the composite material exhibited stability at high frequency range as compared to low frequency range. POLYM. COMPOS., 39:E2175–E2184, 2018. © 2017 Society of Plastics Engineers

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Effect of silver coating on electrical properties of sisal fibre-epoxy composites

Cited by 19 publications

References 20 publications

Electrical behavior of a graphene/PEKK and carbon black/PEKK nanocomposites in the vicinity of the percolation threshold

Electrical behavior of a graphene/PEKK and carbon black/PEKK nanocomposites in the vicinity of the percolation threshold

Natural Fibre based Biocomposites and Their Applications (Brief Review)

Sisal fibril epoxy composite—a high strength electrical insulating material

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