Functional Nanofibre: Enabling Material for the Next Generation Smart Textiles

Ko, Frank; He, Yunhui

doi:10.3993/jfbi09200801

Cited by 31 publications

(6 citation statements)

References 19 publications

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“…The density of high aspect ratio bers enhances with the raising of chitosan content. It is assumed that the form of the high surface-area-to-volume ratio of nano bers is owing to the strongly applied voltage that is formed between two electrodes [32,33].…”

Section: Field-emission Scanning Electron Microscopy (Fe-sem)mentioning

confidence: 99%

Study on the Preparation and Properties of Polyamide/Chitosan Nanocomposite Fabricated by Electrospinning Method

Fazeli

Nuge

et al. 2021

J Polym Environ

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The principal intention of this work is to fabricate and characterize the polyamide/chitosan nanocomposite by a novel single solvent method through the electrospinning procedure. The thermal properties and morphology of prepared nanocomposite are studied by thermogravimetric analysis (TGA) and eld-emission scanning electron microscopy (FE-SEM). TGA exposed that the primary decomposition temperature is reduced with rising of chitosan content in the nanocomposites and origin disintegration temperature for polyamide/chitosan nanocomposites is perceived to be in the range from 300 to 500°C. Also, FE-SEM images demonstrated that the nano bers of chitosan have good adhesion on the matrix and are well-oriented. Besides, the crystallinity and structural characteristics of the polyamide/chitosan nanocomposites are investigated by using X-ray diffraction (XRD) and Fourier transform-infrared spectroscopy (FT-IR), respectively. The results of XRD proved that the successful blending of chitosan in polyamide is achieved via the electrospinning method. FT-IR results demonstrate that the nano bers are consist of amine groups. Also, the electrical properties of the nanocomposite improved with the increasing content of chitosan and the conductivity of the polyamide/chitosan 5 wt% demonstrates the maximum current of 0.3 nA. Besides, the sheet resistance of the composite reduced 118 to 20 × 10 9 Ω with raising the chitosan volume from 0 to 5 wt%.

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Section: Field-emission Scanning Electron Microscopy (Fe-sem)mentioning

confidence: 99%

Study on the Preparation and Properties of Polyamide/Chitosan Nanocomposite Fabricated by Electrospinning Method

Fazeli

Nuge

et al. 2021

J Polym Environ

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“…According to the National Science Foundation (NSF), materials with at least one dimension equal to or less than 100 nanometers are defined as nanomaterials [1]. Hence, fibers with diameter less than or equal to 100 nm are considered as nanofibers.…”

Section: Introductionmentioning

confidence: 99%

“…This definition is usually broadened in the industry to consider all fibers with submicron diameters as nanofibers. Nanofibers are solid-state linear nanomaterials that are flexible and have an aspect ratio greater than 1000:1 [1]. Nanofibers and nanofiber mats have many outstanding properties such as small fiber diameter [2,3], high aspect ratio porosity [4,8], flexibility in surface functionalities [9], small pore size [8,10], and superior directional strength [1].…”

Section: Introductionmentioning

confidence: 99%

Effects of Surfactants on the Morphology and Properties of Electrospun Polyetherimide Fibers

Abutaleb

Lolla

Aljuhani³

et al. 2017

Fibers

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Electrospun fibers often have beads as byproducts. Bead formation can be substantially minimized by the introduction of additives, such as ionic salts or surfactants, to the electrospinning polymeric solution. Polyetherimide (PEI) fibers were fabricated using electrospinning. Four different additives, Lithium Chloride (LiCl), Sodium Chloride (NaCl), Triton X-100 and Hexadecyltrimethylammonium Bromide (HTAB) were utilized to alter the polymer solution electrical conductivity and surface tensions. The effects of solution conductivity and surface tension on the electrospinning and the thermal, mechanical stability of the polymeric fibers were investigated. Morphology, thermal properties, permeability and mechanical strength of the fiber mats were investigated using Scanning Electron Microscopy (SEM), Thermogravimetric Analysis (TGA), Frazier Permeability Test, and Tensile tester respectively. The addition of 1.5wt.% HTAB was found to be the optimum concentration to produce PEI fibers without beads. The addition of HTAB produced fiber mats with higher air permeability, higher thermal stability and higher mechanical strength in comparison to the other additives. Finally, a filtration test was conducted on a simple custom model to compare the performance of beaded and non-beaded PEI fiber mats. The non-beaded PEI fiber mat performed better in terms of both separation efficiency (%E) and differential pressure drop (∆P) separating water droplets from diesel fuel.

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“…The process of electrospinning allows for the formation of higher-order structures that can translate the outstanding properties of nanomaterials into nanofiber form which have a wide range of possible applications [7]. Electrospinning of MWCNT/polyacrylonitrile into nanofibers has been reported previously though thin and single layers of such nanofibers which would be useful as a TC have yet to be investigated [8].…”

Section: Introductionmentioning

confidence: 99%

Electrospun Composite Nanofiber Transparent Conductor Layer for Solar Cells

Ritchie

Mertens

et al. 2011

MRS Proc.

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Developing a durable and scalable transparent conductor (TC) as an electrode with high optical transmission and low sheet resistance is a significant opportunity for enabling next generation solar cell devices. High performance fibrous composite materials based on a carrier polymer with embedded functional nanostructures have the potential to serve as a TC with high surface area that can be deposited by the novel and scalable process of electrospinning. This work presents the development of a fibrous TC, where polyacrylonitrile (PAN) is used as a carrier polymer for multi-walled carbon nanotubes (MWCNT) to create electroactive nanofibers 200-500nm in diameter. Once carbonized, thin layers of this material have a low sheet resistance and high optical transmission. It is shown that in a two stage carbonization process, the second stage temperature of above 700C is the primary factor in establishing a highly conductive material and single layers of nanofibers are typically destabilized at high temperatures. A high performance TC has been developed through optimizing carbonization rates and temperatures to allow for single nanofiber layers fabricated by electrospinning MWCNT/PAN solutions onto quartz. These TCs have been optimized for concentrations of MWCNTs less than 20% volume fraction with well above 90% transmissivity and sheet resistances of between .5-1kohm/square. The required MWCNT loading is well below that for TCs based on random networks of MWCNTs.

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Functional Nanofibre: Enabling Material for the Next Generation Smart Textiles

Cited by 31 publications

References 19 publications

Study on the Preparation and Properties of Polyamide/Chitosan Nanocomposite Fabricated by Electrospinning Method

Study on the Preparation and Properties of Polyamide/Chitosan Nanocomposite Fabricated by Electrospinning Method

Effects of Surfactants on the Morphology and Properties of Electrospun Polyetherimide Fibers

Electrospun Composite Nanofiber Transparent Conductor Layer for Solar Cells

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