Visco-Elastic, Thermal, Antimicrobial and Dielectric Behaviour of Areca Fibre-Reinforced Nano-silica and Neem Oil-Toughened Epoxy Resin Bio Composite

Samuel, J.; Jaisingh, S. Julyes; Sivakumar, K.; Mayakannan, A. V.; VR, Arun Prakash

doi:10.1007/s12633-020-00569-0

Cited by 117 publications

(22 citation statements)

References 20 publications

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“…At least five test specimens were cut for each composite designation for computing average results in each property. [ 21 ]…”

Section: Methodsmentioning

confidence: 99%

“…At least five test specimens were cut for each composite designation for computing average results in each property. [21] 3 | CHARACTERIZATION OF COMPOSITES This lower value in properties is the cause of no strengthening mechanism present in the pure epoxy resin. The highly cross-linked pure epoxy holds high brittleness and provides very lower performance in mechanical properties.…”

Section: Test Specimen Preparationmentioning

confidence: 99%

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Mechanical, wear, and drop load impact behavior of glass/Caryota urens hybridized fiber‐reinforced nanoclay/SiC toughened epoxy multihybrid composite

Raju¹,

Raja²,

Lingadurai³

et al. 2020

Polymer Composites

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High toughness epoxy resin hybrid composites were prepared using nanoclay, SiC, and glass-caryota intra ply fibers. The main aim of this research was to study the effect of adding Caryota urens natural fiber from biomass as a potential fiber along with synthetic glass fiber in load-bearing and wear properties of nanoclay and silicon carbide (SiC) particle toughened epoxy composite. The intra-ply glass-caryota fiber, silicon carbide, and nanoclay were surface-treated using 3-Aminopropyltrimethoxysilane. The composites were prepared using the hand lay-up method. The tensile result shows that the addition of 1 vol% of the silicon carbide particle along with nanoclay in intra-ply glass-caryota fiberreinforced epoxy composite gives improved results than other composite designations. The wear properties show that the addition of silicon carbide of 1.0 vol% gives a lower specific wear rate of 0.024 mm 3 /Nm. Similarly, the composite, which contains 1.0 vol% of silicon carbide and nanoclay gives higher penetration resistance and energy absorption. In all properties, the addition of silicon carbide modifies the values significantly. This high toughness intra-ply glass-caryota fiber-reinforced silicon carbide/nanoclay toughened epoxy resin composite could be used in automotive, sports components, domestic appliances, and structural body applications.

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“…At least five test specimens were cut for each composite designation for computing average results in each property. [ 21 ]…”

Section: Methodsmentioning

confidence: 99%

Section: Test Specimen Preparationmentioning

confidence: 99%

Mechanical, wear, and drop load impact behavior of glass/Caryota urens hybridized fiber‐reinforced nanoclay/SiC toughened epoxy multihybrid composite

Raju¹,

Raja²,

Lingadurai³

et al. 2020

Polymer Composites

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“…Neem oil dissolved in epoxy resin and aged to nano-silica particles obtained by APTES, was cured in the presence of areca natural fibers, achieving epoxy-neem bio composites with improved antimicrobial behavior, even if viscoelastic and thermal stability was reduced. The composites have been proposed as containers for bio-food and medical drug storage [ 112 ].…”

Section: Enhancement Of Antimicrobial Properties Via Nanomodification Of Epoxiesmentioning

confidence: 99%

Improving the Antimicrobial and Mechanical Properties of Epoxy Resins via Nanomodification: An Overview

et al. 2021

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The main purpose of this work is to provide a comprehensive overview on the preparation of multifunctional epoxies, with improved antimicrobial activity and enhanced mechanical properties through nanomodification. In the first section, we focus on the approaches to achieve antimicrobial activity, as well as on the methods used to evaluate their efficacy against bacteria and fungi. Relevant application examples are also discussed, with particular reference to antifouling and anticorrosion coatings for marine environments, dental applications, antimicrobial fibers and fabrics, and others. Subsequently, we discuss the mechanical behaviors of nanomodified epoxies with improved antimicrobial properties, analyzing the typical damage mechanisms leading to the significant toughening effect of nanomodification. Some examples of mechanical properties of nanomodified polymers are provided. Eventually, the possibility of achieving, at the same time, antimicrobial and mechanical improvement capabilities by nanomodification with nanoclay is discussed, with reference to both nanomodified epoxies and glass/epoxy composite laminates. According to the literature, a nanomodified epoxy can successfully exhibit antibacterial properties, while increasing its fracture toughness, even though its tensile strength may decrease. As for laminates—obtaining antibacterial properties is not followed by improved interlaminar properties.

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“…[12][13][14][15][16][17] More recently, many works have been carried out on the hybridization of KF fibers with natural and/or synthetic nanofillers such as KF/jute fibers/E-glass, [18] KF/coir fibers/ MMT, [19] KF/PALF fibers, [5] KF/hemp/flax/glass fibers, [20] and Areca fiber-reinforced nano-silica and neem oiltoughened epoxy resin biocomposites. [21] For example, studies on the mass change, thermal decomposition, and thermal stability of woven glass/KF/epoxy hybrid composite filled with clay nanoparticles in small quantities were studied by Mazlan et al [22] Such hybridization demonstrated better interfacial adhesion between the treated KF and the epoxy. The composite stiffness as represented by the storage modulus reveals that composite TKG1% (Treated KF/woven Glass/epoxy/1 wt% nanoclay) has the highest value due to the addition of nanoclay that restricts epoxy polymer chains' movement.…”

Section: Introductionmentioning

confidence: 99%

Effects of oil palm and montmorillonite nanofillers on stiffness and interfacial adhesion of kenaf/epoxy hybrid nanocomposites

2021

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The dielectric properties of bio‐hybrid composites based on natural Oil Palm Empty Fruit Bunch (OPEFB), montmorillonite (MMT) and organomodified montmorillonite (OMMT) nanoclay reinforced kenaf (KF)/epoxy are reported in this study. The molecular mobility, interfacial adhesion between KF fibers and epoxy resin matrix, and fragility near the glass transition temperature were evaluated using Broadband dielectric spectroscopy over a wide temperature range from 20 to 180°C and a frequency range from 0.1 Hz to 1 MHz. Obtained results indicated different relaxations: the α glass‐rubbery transition and the interfacial polarization between KF/epoxy called Maxwell‐Wagner‐Sillars polarization “MWS(KF/epoxy)” whose amplitude, position and dielectric strength ∆εMWS(kenaf/epoxy) depends on the type of the added nanofillers. ∆εMWS(kenaf/epoxy) decrease for all the measured temperatures while the activation energy Ea of the α‐process and rigidity increase when the nanocharges are introduced. It has been found that the OPEFB, MMT, and OMMT are uniformly distributed in the matrix and act as a link between the KF fibers and the epoxy resin via the formation of new CO and SiOSi bonds.

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Visco-Elastic, Thermal, Antimicrobial and Dielectric Behaviour of Areca Fibre-Reinforced Nano-silica and Neem Oil-Toughened Epoxy Resin Bio Composite

Cited by 117 publications

References 20 publications

Mechanical, wear, and drop load impact behavior of glass/Caryota urens hybridized fiber‐reinforced nanoclay/SiC toughened epoxy multihybrid composite

Mechanical, wear, and drop load impact behavior of glass/Caryota urens hybridized fiber‐reinforced nanoclay/SiC toughened epoxy multihybrid composite

Improving the Antimicrobial and Mechanical Properties of Epoxy Resins via Nanomodification: An Overview

Effects of oil palm and montmorillonite nanofillers on stiffness and interfacial adhesion of kenaf/epoxy hybrid nanocomposites

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