Polymer Nanocomposites—A Comparison between Carbon Nanotubes, Graphene, and Clay as Nanofillers

Bhattacharya, Mrinal

doi:10.3390/ma9040262

Cited by 622 publications

(385 citation statements)

References 340 publications

(402 reference statements)

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“…Since the clay mineral has high surface energy, so the clay mineral layers can attract monomer units inside the galleries until equilibrium is reached. Complete exfoliation occurs since the driving force for complete exfoliation is polymerization which occurs between the layers of lower polarities [10,26].…”

Section: Polymer/clay Nanocomposite Preparationmentioning

confidence: 99%

An Overview on Polysulphone/Clay Nanocomposites

Hussein¹

2017

IJBSBE

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Polymer clay nanocomposites have become a distinct field of existing research and development in the last few decades due to its magnificent properties as well as its general amazing behavior. The progress in developments on the use of modified natural and synthetic clays for designing polymer nanocomposites have dominated the polymer literature, due to their potential for improvement chemical, physical, electrical, thermal and mechanical properties compared to conventionally filled composites. This review aims to provide a description of the recent advances in the preparation of polymer clay nanocomposites and their enhanced properties and morphologies. Also, other related fields that include the types, structures and modification methods of clay.

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Section: Polymer/clay Nanocomposite Preparationmentioning

confidence: 99%

An Overview on Polysulphone/Clay Nanocomposites

Hussein¹

2017

IJBSBE

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“…The general property of such composite materials is the formation of the internal spatial structure consisting of conductive nanotubes that are able to interact effectively with electromagnetic waves. [1,2] One of the most topical issues concerning such composites is the enhancement of electromagnetic compatibility, in particular, protection of biological objects from harmful effects of electromagnetic radiation, elimination of side lobes of antennas, anechoic chamber performance, and reduction of the visibility of objects in radio bands. [3,4] Single and multilayer polymer coatings modified with MWCNTs are among the promising solutions of electromagnetic compatibility problems.…”

Section: Introductionmentioning

confidence: 99%

Influence of Carbon Nanotube Spatial Distribution on Electromagnetic Properties of Nanotube–Polymer Composites

Мосеенков

Krasnikov

Suslyaev

et al. 2017

Physica Status Solidi (b)

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This paper is devoted to the influence of the multi-walled carbon nanotube (MWCNT) spatial distribution within a polymer matrix on the electrophysical properties of the composite. We have studied composites with MWCNT concentrations close to the percolation threshold upon variation in (i) the morphology of the reinforcing material using MWCNTs with different aspect ratio and nanotube aggregate size (up to the average size of %300 mm) that were isolated from each other by thin polymer layers, and (ii) the type of the polymer matrix. The composites obtained have been characterized using optical and scanning electron microscopy, and DC conductivity measurements. A study of the electromagnetic response in microwave (0.01-18 GHz) and terahertz (100-200 GHz) ranges was performed. In the region close to and above the percolation threshold, the electrophysical properties of the composites were found to be strongly affected by the spatial distribution of MWCNTs in the composite matrix. The effect of conductive fillers (NTs) size on the EMI reflectance of the composites was different for microwave and terahertz ranges.

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“…It is evident that presence of HNT and MLG fillers increased the fracture surface roughness. That is an indicator of crack deflection mechanism, which increases the absorbed energy of fracture by increasing the crack length during deformation [54].…”

Section: Fractographymentioning

confidence: 99%

Effect of Short Term Water Exposure on the Mechanical Properties of Halloysite Nanotubes-Multi Layer Graphene Reinforced Polyester Nanocomposites

Saharudin¹,

Atif²

2017

Preprint

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Abstract:The influence of short term water absorption on the mechanical properties of halloysite nanotubes-multi layer graphene reinforced polyester hybrid nanocomposites has been investigated. The addition of nano-fillers significantly increased the flexural strength; tensile strength and impact strength in dry and wet conditions. After short term water exposure; the maximum microhardness; tensile; flexural and impact toughness values were observed at 0.1 wt% MLG. The microhardness increased up to 50.3%; tensile strength increased up to 40% and flexural strength increased up to 44%. Compared to dry samples; the fracture toughness and surface roughness of all types of produced nanocomposites were increased that may be attributed to plasticization effect. Scanning electron microscopy revealed that the main failure mechanism is caused by the weakening of nanofiller-matrix interface induced by water absorption. It was further observed that synergistic effects were not effective at concentration of 0.1 wt% to produce considerable improvement in mechanical properties of produced hybrid nanocomposites.

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Polymer Nanocomposites—A Comparison between Carbon Nanotubes, Graphene, and Clay as Nanofillers

Cited by 622 publications

References 340 publications

An Overview on Polysulphone/Clay Nanocomposites

An Overview on Polysulphone/Clay Nanocomposites

Influence of Carbon Nanotube Spatial Distribution on Electromagnetic Properties of Nanotube–Polymer Composites

Effect of Short Term Water Exposure on the Mechanical Properties of Halloysite Nanotubes-Multi Layer Graphene Reinforced Polyester Nanocomposites

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