Aligned poly(ε-caprolactone)/graphene oxide and reduced graphene oxide nanocomposite nanofibers: Morphological, mechanical and structural properties

Ramazani, Soghra; Karimi, Mohammad

doi:10.1016/j.msec.2015.06.045

Cited by 67 publications

(57 citation statements)

References 42 publications

(56 reference statements)

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“…These diversities in graphene enable efficient modulation of interfacial adhesion and enhance its compatibility with number of polymers [12], [13], [14], [15], [16], [17], [18], [19] such as polyaniline, polylactic acid, polycaprolactone, PEG etc. In general, graphene production methods can be categorized as two a) bottom-up methods (e.g.…”

Section: Introductionmentioning

confidence: 99%

Thermally conductive thin films derived from defect free graphene-natural rubber latex nanocomposite: Preparation and properties

George

Sisupal

Tomy

et al. 2017

Carbon

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Commercially useful rubber products viz. gloves, condoms, tyres, and rubber hoses used in high temperature environments, etc., require efficient thermal conductivity, which increases the lifetime of these products. Graphene can fetch this property, if it is effectively incorporated into the rubber matrix. The great challenge in preparing graphene-rubber nanocomposites is formulating a scalable method to produce defect free graphene and its homogeneous dispersion into polymer matrices through an aqueous medium. Here, we used a simple method to produce defect free few layer (2–5) graphene, which can be easily dispersed into natural rubber (NR) latex without adversely affecting its colloidal stability. The resulting new composite showed large increase in thermal conductivity (480–980%) along with 40% increase in tensile properties and 60% improvement in electrical conductivity. This study provides a novel and generalized approach for the preparation of graphene based thermally conductive rubber nanocomposites.

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Section: Introductionmentioning

confidence: 99%

Thermally conductive thin films derived from defect free graphene-natural rubber latex nanocomposite: Preparation and properties

George

Sisupal

Tomy

et al. 2017

Carbon

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“…0.1-1 wt% GO/PCL [37] ESM by electrospinning N/A 0.1 wt% GO increased mechanical properties and 1 wt% GO weakened the ESM.…”

Section: Natural Polymersmentioning

confidence: 99%

“…Ramazani et al [25] studied the effect of the oxidation level of GO on the physical properties of GO/PCL electrospun fibers. With an increase in the GO concentration to 3 wt% GO, the diameter of the fibers decreased [25,37] Ramazani et al [37] also prepared aligned GO/PCL nanofibers and with the addition of upto 1 wt% GO nanosheets, a very significant rise in the tensile strength and elastic modulus was observed. This result was attributed to hydrogen bonding, CH2-π, and van der Waals forces between PCL chains and nanosheets.…”

Section: Pcl Filmsmentioning

confidence: 99%

Graphene Oxide/Polymer‐Based Biomaterials

2017

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Since its discovery in 2004, derivatives of graphene have been developed and heavily investigated in the field of tissue engineering. Among the most extensively studied forms of graphene, graphene oxide (GO), and GO/ polymer-based nanocomposites have attracted great attention in various forms such as films, 3D porous scaffolds, electrospun mats, hydrogels, and nacre-like structures. In this review, the most actively investigated GO/ polymer nanocomposites are presented and discussed, these nanocomposites are based on chitosan, cellulose, starch, alginate, gellan gum, poly(vinyl alcohol) (PVA), poly(acrylamide), poly(e-caprolactone) (PCL), poly(lactic acid) (PLLA), poly(lactide-co-glycolide) (PLGA), gelatin, collagen, and silk fibroin (SF). The biological and mechanical performance of such nanocomposites are comprehensively scrutinized and ongoing research questions are addressed. The analysis of the literature reveals overall the great potential of GO/ polymer nanocomposites in tissue engineering strategies and indicates also a series of challenges requiring further research efforts.

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“…Polyvinyl alcohol (PVA)/pristine graphene fibers prepared by electrospinning, using an aqueous solution of polyvinylpyrrolidone to stabilize the graphene dispersion, demonstrated extraordinary enhancements in modulus (Das et al, 2013). Improved mechanical performance was also obtained for polycaprolactone (PCL)/graphene oxide (GO) and PCL/reduced GO (rGO) electrospun nanofibers in which orientation played an important role (Ramazani and Karimi, 2015). Conducting nanofibers of polyaniline/polyethylene oxide with non-covalently functionalized graphene, also fabricated by electrospinning exhibited two orders of magnitude enhancement in electrical conductivity (Moayeri and Ajji, 2015).…”

Section: Current Research Statusmentioning

confidence: 99%

New Perspectives on Graphene/Polymer Fibers and Fabrics for Smart Textiles: The Relevance of the Polymer/Graphene Interphase

et al. 2018

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The fast-growing interest in smart textiles for wearable electronics or sensors is stimulating considerable activity in the development of functional fibers and fabrics that incorporate graphene, due to its outstanding electrical, mechanical, and thermal properties, among others. This paper provides an overview of the current state-of-the-art of research in this field, and a perspective on the factors decisive to its growth, in particular the polymer-graphene interphase.

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Aligned poly(ε-caprolactone)/graphene oxide and reduced graphene oxide nanocomposite nanofibers: Morphological, mechanical and structural properties

Cited by 67 publications

References 42 publications

Thermally conductive thin films derived from defect free graphene-natural rubber latex nanocomposite: Preparation and properties

Thermally conductive thin films derived from defect free graphene-natural rubber latex nanocomposite: Preparation and properties

Graphene Oxide/Polymer‐Based Biomaterials

New Perspectives on Graphene/Polymer Fibers and Fabrics for Smart Textiles: The Relevance of the Polymer/Graphene Interphase

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