Preparation and characterization of high performance of graphene/nylon nanocomposites

Jin, Jie; Rafiq, Rehman; Gill, Yasir Qayyum; Song, Mo

doi:10.1016/j.eurpolymj.2013.06.004

Cited by 104 publications

(76 citation statements)

References 33 publications

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“…The effect of interfacial pathways on diffusivity as a function of clay content for both intercalated and partially exfoliated PA12 / organo-clay nanocomposites was examined by Alexandre et al [33] and is shown in Figure 13 In a study of water permeability of PA12 and PA11 / functionalized graphene nanocomposites by Jin et al [96], the permeability was found to increase gradually as the graphene content increased above 0.1 wt.% (as shown in Figure 15). This could also be due to interfacial pathways caused by aggregation of the graphene at higher loadings.…”

Section: Agglomeration Effectsmentioning

confidence: 99%

“…Similarly, depending on the identity of the polymer matrix, the incorporation of graphene-based filler has been found to increase [3,96,92], decrease [118] or cause no change [94] to the degree of crystallinity. Where changes do occur, the presence of graphene-based nanofillers is thought to affect the rate of crystallisation by acting as a heterogeneous nucleation site for crystal growth [77].…”

Section: Review Of Model Validationmentioning

confidence: 99%

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A review of the water barrier properties of polymer/clay and polymer/graphene nanocomposites

Tan

Thomas

2016

Journal of Membrane Science

282

140

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This paper reviews the literature on moisture barrier properties of polymer/clay and polymer/graphene-based nanocomposites. The various models proposed to predict the effects of nanofillers in reducing water vapour permeability through polymers are outlined. These models are based on a range of different factors such as; tortuosity, geometry, platelet stacking, orientation, polymer chain confinement and plasticization.Published experimental studies of water vapour permeability in both polymer/clay and polymer/graphene nanocomposites are then reviewed. The extent to which the models are validated by the results of these studies is discussed, together with the degree to which the potential for water barrier improvement in polymer nanocomposites has been realised.

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Section: Agglomeration Effectsmentioning

confidence: 99%

Section: Review Of Model Validationmentioning

confidence: 99%

A review of the water barrier properties of polymer/clay and polymer/graphene nanocomposites

Tan

Thomas

2016

Journal of Membrane Science

282

140

View full text Add to dashboard Cite

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“…However, the high wrinkled structure of graphene led to its low effective aspect ratio and resulted in changes of the effective performance in the polymer matrix. 48 Shen et al 88 found that the wrinkles reduced the Young's modulus of GO papers by 60% of the pristine value. It was very important to minimize the adverse effect of wrinkles to improve the stress transfer between graphene sheets and polymer matrix.…”

Section: Effect Of Graphene Statesmentioning

confidence: 99%

“…38,41 In the past few years, toughening of polymers by graphene has been explored and reported in a few publications. 25,[29][30][31][32]38,[42][43][44][45][46][47][48][49][50][51][52][53][54][55] According to the results, it is believed that the incorporation of FG can toughen polymers including both thermoplastics and thermosets, although the understanding of the mechanism is still insufficient. In this review, the authors try to focus on the recent development on the toughening of polymers by graphene including their preparation, properties and mechanism.…”

Section: Introductionmentioning

confidence: 99%

Toughening of polymers by graphene

Wang

Song

2013

Nanomaterials and Energy

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IntroductionDue to the rapid development of nanoscience and nanotechnology in the past 20 years, improvement of polymer properties by nanofillers has become a vital topic in the field of material science. [1][2][3] The polymer nanocomposites show enhanced properties by the incorporation of low amount of nanofillers such as carbon black (CB), carbon nanotubes (CNTs), graphene and nanoclay. [4][5][6][7] Due to the high surface to volume ratio and/or high aspect ratio, the nanofillers are more efficient than the traditional fillers in reinforcing polymers. 8,9 Among the nanofillers, graphene is an atomically thick, 2D nanomaterial that is the strongest materials measured so far. it has intensively attracted a great deal of interest in extensively exploring its applications. The superior properties of graphene also reflected in the graphene/polymer nanocomposites. It has been widely reported that the mechanical, thermal, electrical, gas-barrier and flame-retardant properties of polymer can be significantly improved by the addition of graphene. 3,6,[18][19][20][21][22][23][24] Its advantages over other nanofillers have been discussed. 3,19,[25][26][27][28] However, the reinforcing efficiency of graphene highly depends on the dispersion and distribution of graphene sheets in the polymer matrix. 29 An optimized graphene-polymer interface is critical in the property transfer. [30][31][32] Pristine graphene sheets are not compatible with organic polymers and have a great tendency to agglomerate in the matrix. 3,33,34 To resolve this problem, functionalization of graphene is an essential step to achieve a molecular level dispersion.3,35 The functionalized graphene (FG) sheets could form strong interfacial bonding with polymer chains, which is favorable for load transfer, but it also confines the motion of interfacial polymer segments. [36][37][38] Thus, the enhancements in stiffness, tensile strength and hardness of polymer are frequently reported, while the elongation at break and ductility is always decreased. 3,6,39 Toughness of polymer is extremely important in the critical structural applications and highperformance areas such as automotive, aerospace and defence. 9,40 Enhancing the toughness of polymer has been a challenging issue, especially for thermosets that have highly cross-linked structure. 9Traditional fillers, such as rubber particles, can improve the toughness, but they show negative impact on mechanical properties and manufacturability. 38,41 In the past few years, toughening of polymers by graphene has been explored and reported in a few publications. 25,[29][30][31][32]38,[42][43][44][45][46][47][48][49][50][51][52][53][54][55] According to the results, it is believed that the incorporation of FG can toughen polymers including both thermoplastics and thermosets, although the understanding of the mechanism is still insufficient. In this review, the authors try to focus on the recent development on the Toughening of polymers by graphene Wang and Song ICE Publishing: All rights reserved

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“…Polymers such as Nylon-6, polypropylene, and LDPE when mixed with an appropriate percentage of nanoparticles as filler materials show significant improvements [1][2][3]. Many studies have been reported on the structural, chemical, and thermal characterization of nylon [4][5][6][7].…”

Section: Introductionmentioning

confidence: 99%

Influence of SiC/Si₃N₄ Hybrid Nanoparticles on Polymer Tensile Properties

Rangari

Yousuf

Jeelani

2013

Journal of Composites

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Nanostructured silicon carbide (SiC)/silicon nitride (Si 3 N 4 ) hybrid nanoparticles exhibit a high-potential for reinforcement of polymers. In the present investigation, silicon carbide ( -SiC) nanoparticles (∼30 nm) were sonochemically coated on acicular silicon nitride (∼100 nm × 800 nm) particles to increase the thermal and mechanical properties of Nylon-6 nanocomposite fibers. To produce Nylon-6/(SiC/Si 3 N 4 ) nanocomposite fibers, we have followed a two-step process. In the first step, SiC nanoparticles were coated on Si 3 N 4 nanorods using a sonochemical method and Cetyltrimethylammonium Bromide surfactant. In the second step, the SiC coated Si 3 N 4 hybrid nanoparticles were blended with Nylon-6 polymer and extruded in the form of nanocomposite polymer fibers. The nanocomposite fibers were uniformly stretched and stabilized using a two-set Godet roll machine. The diameters of the extruded neat Nylon-6 and SiC/Si 3 N 4 /Nylon-6 nanocomposite fibers were measured using a scanning electron microscope and then tested for their tensile and thermal properties. These results were compared with the neat Nylon-6 polymer fibers. These results clearly indicate that the as-prepared nanocomposite polymer fibers are much higher in tensile strength (242%) and Young's modulus (716%) as compared to the neat polymer fibers.

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Preparation and characterization of high performance of graphene/nylon nanocomposites

Cited by 104 publications

References 33 publications

A review of the water barrier properties of polymer/clay and polymer/graphene nanocomposites

A review of the water barrier properties of polymer/clay and polymer/graphene nanocomposites

Toughening of polymers by graphene

Influence of SiC/Si₃N₄ Hybrid Nanoparticles on Polymer Tensile Properties

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Preparation and characterization of high performance of graphene/nylon nanocomposites

Cited by 104 publications

References 33 publications

A review of the water barrier properties of polymer/clay and polymer/graphene nanocomposites

A review of the water barrier properties of polymer/clay and polymer/graphene nanocomposites

Toughening of polymers by graphene

Influence of SiC/Si3N4 Hybrid Nanoparticles on Polymer Tensile Properties

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Product

Resources

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Influence of SiC/Si₃N₄ Hybrid Nanoparticles on Polymer Tensile Properties