Fabrication and Characterization of Electrospun PVA/Mica Fibrous Nanocomposite Mats

Rasel, Sheikh; Rizvi, Ghaus

doi:10.1080/03602559.2017.1326137

Cited by 7 publications

(5 citation statements)

References 20 publications

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“…The reason accounting for this phenomenon is that viscosity is a measure of the internal resistance of a flowing liquid. 8 In the solutions studied here, the internal resistance is caused by the entanglement of Nylon 6 molecular chain and the inertias of the dispersed silica nanoparticles. Therefore, when Nylon 6 concentration is increased, there is more entanglement of Nylon 6 polymer chain; thus, the viscosity is higher.…”

Section: Resultsmentioning

confidence: 98%

“…Polystyrene (PS), 7 Poly(vinyl alcohol) (PVA), 8 Polyvinylidene fluoride (PVDF), 9 and Polyamide 6 (PA6, also known as Nylon 6 ® ) 10–14 are some of the common examples of thermoplastic polymers used in electrospun fiber formation. Among these, Nylon 6 is an important polymer due to its biocompatible nature and good physical and mechanical properties.…”

Section: Introductionmentioning

confidence: 99%

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Fabrication and characterization of electrospun mats of Nylon 6/Silica nanocomposite fibers

Chen

Waghmare

Ayranci

2019

Journal of Engineered Fibers and Fabrics

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In this article, the electrospinning process for Silica nanoparticles reinforced Nylon 6 nanofiber composite mats is investigated. More specifically, the effect of Nylon 6/Formic Acid concentration and silica weight fraction on the solution viscosity and the properties of the end product is studied. Rheological measurements were conducted to investigate the solutions' viscosity, and scanning electron microscope was used to characterize the morphology and dimensions of the nanofibers. Energy dispersion X-ray was used to prove that silica nanoparticles are well distributed within the nanofibers. Finally, surface roughness and porosity of the mats were measured. It was found that when Nylon 6/Formic Acid concentration increased from 15 to 20 wt%, solution viscosity increased by 0.63 Pa•s, which leads to the increase in average fiber diameter from 103 to 160 nm. Also, when silica increased by 6%, highest viscosity increase was 0.1 Pa•s, while average fiber diameter increased for around 5 nm. In addition, protuberances or small silica beads are observed when silica weight fraction is increased above a critical value. The porosity remains unchanged while surface roughness increased by increasing silica weight fraction and decreasing Nylon 6 concentration. This study outlines the successful fabrication of bead-free Silica reinforced Nylon 6 nanofibers and their mats via electrospinning. Good control over processing parameters results in tailorability of size, morphology, and surface roughness of the end products.

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Section: Resultsmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 99%

Fabrication and characterization of electrospun mats of Nylon 6/Silica nanocomposite fibers

Chen

Waghmare

Ayranci

2019

Journal of Engineered Fibers and Fabrics

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“…This reduction in mechanical stretching led to higher AFD for the composite nanofabrics loaded with 1 wt% of MNS. 25,49 The d 33 is a direct measure of the piezoelectric performance of piezoelectric materials. Ico et al has revealed the relationship between the fiber diameter and the d 33 in their study, where the d 33 was inversely proportional to the fiber diameter (eqn (5)).…”

Section: Resultsmentioning

confidence: 99%

A new multifunctional energy harvester based on mica nanosheet-dispersed PVDF nanofabrics featuring piezo-capacitive, piezoelectric and triboelectric effects

Ekbote,

Khalifa,

Venkatesa Perumal

et al. 2023

RSC Appl. Polym.

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“…15 This results in a complicated process, which greatly limits the application of this composite material. 16,17 Similar to other layered materials, mica can also be completely cleaved and peeled into single-layered materials. 18,19 After thermal activation, acidification, sodium ion treatment, and CTAB intercalation, mica can be ultrasonically peeled into a single layer, which has a large aspect ratio and more hydroxyl groups, as well as being more suitable as fillers for composite materials.…”

Section: ■ Introductionmentioning

confidence: 99%

“…The preparation method requires that the raw materials be mixed and stirred in advance and then densely bonded to increase the strength through processes such as vacuum filtration and hot pressing . This results in a complicated process, which greatly limits the application of this composite material. , …”

Section: Introductionmentioning

confidence: 99%

Force-Induced Self-Assembly of Supramolecular Modified Mica Nanosheets for Ductile and Heat-Resistant Mica Papers

Jiang

Zhang

et al. 2021

Langmuir

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Mica is a naturally abundant layered silicate mineral that has higher strength than other layered silicate minerals, but its inherent brittleness limits its application in some fields. In this work, mica was ultrasonically exfoliated into a single-layered nanomaterial after thermal activation, acidification, sodium replacement, and cetyltrimethylammonium bromide (CTAB) intercalation and then modified with ureido-pyrimidinone (UPy)-based PEG chains. Vacuum-assisted self-assembly was used to construct supramolecularly modified single-layered mica into bulk materials, in which the mica nanosheets were stacked into mica paper. The reversible quadruple hydrogen-bonded UPy moieties provided a high binding constant and significantly improved the strength and toughness of the obtained mica paper. These force-induced assembled mica papers showed significantly improved tensile strength and toughness compared with pure mica paper and simultaneously maintained the heat resistance of the mica materials, which may be good candidates for the substrates of flexible sensors working at higher temperatures.

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Fabrication and Characterization of Electrospun PVA/Mica Fibrous Nanocomposite Mats

Cited by 7 publications

References 20 publications

Fabrication and characterization of electrospun mats of Nylon 6/Silica nanocomposite fibers

Fabrication and characterization of electrospun mats of Nylon 6/Silica nanocomposite fibers

A new multifunctional energy harvester based on mica nanosheet-dispersed PVDF nanofabrics featuring piezo-capacitive, piezoelectric and triboelectric effects

Force-Induced Self-Assembly of Supramolecular Modified Mica Nanosheets for Ductile and Heat-Resistant Mica Papers

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