Preparation and characterization of graphene oxide/poly(vinyl alcohol) composite nanofibers via electrospinning

Wang, Chen; Li, Yadong; Ding, Guqiao; Xie, Xiaoming; Jiang, Mianheng

doi:10.1002/app.37656

Cited by 119 publications

(76 citation statements)

References 36 publications

(52 reference statements)

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“…Graphene is a two-dimensional allotrope of carbon made of a single layer of carbon atoms, which is formed by its sp 2 orbitals attached into a two-dimensional six-face crystal network (Stankovich et al 2006;Vickery et al 2009;Polschikov et al 2013;Wang et al 2013). Its intrinsic properties allow even small additions of graphene to significantly improve the properties of composites (Cardinali et al 2012).…”

Section: Introductionmentioning

confidence: 99%

Effect of Nanographene on Physical, Mechanical, and Thermal Properties and Morphology of Nanocomposite Made of Recycled High Density Polyethylene and Wood Flour

Beigloo¹,

Eslam²,

Hemmasi³

et al. 2017

BioResources

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The effects of the amount of nanographene on physical, mechanical, and thermal properties and morphology of the wood-plastic composites were investigated. This wood-plastic was made using recycled high density polyethylene (HDPE), nanographene, and wood flour. Four weight levels, 0, 0.5, 1.5, or 2.5 wt.% of nanographene, were combined with 70% polymeric matrix and 30% lignocellulosic material with an internal mixer. The results showed that by increasing the amount of nanographene up to 0.5% by weight, the flexural strength, flexural modulus, and notched impact strength of the composite increased. After adding 2.5 wt.% nanographene, these properties were reduced. By increasing the amount of nanographene, both the amount of residual ash and the thermal stability increased. Study of the images from scanning electron microscope (SEM) showed that the samples containing 0.5% of nanographene had less pores and were smoother than other samples.

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Section: Introductionmentioning

confidence: 99%

Effect of Nanographene on Physical, Mechanical, and Thermal Properties and Morphology of Nanocomposite Made of Recycled High Density Polyethylene and Wood Flour

Beigloo¹,

Eslam²,

Hemmasi³

et al. 2017

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“…Mechanical reinforcement of fibers by the incorporation of nanofillers has been shown as a method for enhancement of the fibers' properties for a number of particular applications. Materials mostly used as nanofillers include zero dimensional (0D) nanoparticles [8], One dimensional (1D) nanotubes [9][10][11] and two dimensional (2D) layered materials [8,12,13]. The incorporation of these materials into the matrix generally improves the mechanical, electrical, thermal, and optical properties of the fiber.…”

Section: Introductionmentioning

confidence: 99%

Preparation and characterization of poly(vinyl alcohol)/graphene nanofibers synthesized by electrospinning

Barzegar

Bello

Fabiane

et al. 2015

Journal of Physics and Chemistry of Solids

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We report on the synthesis and characterization of electrospun polyvinyl alcohol (PVA)/graphene nanofibers. The samples produced were characterized by Raman spectroscopy for structural and defect density analysis, scanning electron microscopy (SEM) for morphological analysis, and thermogravimetric (TGA) for thermal analysis.SEM measurements show uniform hollow PVA fibers formation and excellent graphene dispersion within the fibers, while TGA measurements show the improved thermal stability of PVA in the presence of graphene. The synthesized polymer reinforced nanofibers have potential to serve in many different applications such as thermal management, supercapacitor electrodes and biomedical materials for drug delivery.

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“…The first attempt to produce polymeric electrospun nanofibres filled with GO dates back to 2010 [28]. Very recently polymers with polar groups, thus capable of interacting with oxygen-containing hydrophilic groups located at the surface of GO -such as poly(vinyl alcohol) [29], poly(acrylonitrile) [30][31][32] and poly(amides) [33] -have been electrospun with GO obtaining mats with remarkably improved mechanical properties. No attempt to prepare electrospun gelatin nanofibers enriched with GO has been reported up to now.…”

Section: Introductionmentioning

confidence: 99%

Structural reinforcement and failure analysis in composite nanofibers of graphene oxide and gelatin

Panzavolta

Bracci

Gualandi

et al. 2014

Carbon

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In this work we study the mechanical properties and failure mechanism of nanocomposites made of graphene oxide sheets embedded in polymeric systems, namely films and electro-spun nanofibers. In this last system, contrary to conventional bulk composites, the size of the nano-reinforcement (GO sheets) is comparable to the size of the nanofibers to be reinforced (≈ 200 nm). As an ideal polymeric matrix we use gelatin.We demonstrate that the high chemical affinity of the two materials hinders the renaturation of gelatin into collagen and causes a nearly ideal mixing in the GO-gelatin composite. Adding just 1% of GO we obtain an increase of Young's modulus >50% and an increase of fracture stress >60%. We use numerical simulations to study the failure mechanism of the fibers. Calculations agree very well with experimental data and show that, even if cracks start at GO sheet edges due to stress concentrations, crack propagation is hindered by the nonlinear behaviour of the matrix. As an additional advantage, the presence of the GO sheets in continuous gelatin films improves the material stability to phosphate buffer solutions from 2 days to 2 weeks, making it a better material than gelatin for applications in biological environments.4

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Preparation and characterization of graphene oxide/poly(vinyl alcohol) composite nanofibers via electrospinning

Cited by 119 publications

References 36 publications

Effect of Nanographene on Physical, Mechanical, and Thermal Properties and Morphology of Nanocomposite Made of Recycled High Density Polyethylene and Wood Flour

Effect of Nanographene on Physical, Mechanical, and Thermal Properties and Morphology of Nanocomposite Made of Recycled High Density Polyethylene and Wood Flour

Preparation and characterization of poly(vinyl alcohol)/graphene nanofibers synthesized by electrospinning

Structural reinforcement and failure analysis in composite nanofibers of graphene oxide and gelatin

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