Nanotechnology in fibrous materials–a new perspective

Patanaik, Asis; Anandjiwala, Rajesh D.; Rengasamy, R. S.; Ghosh, Anindya; Pal, Harinder

doi:10.1080/00405160701407176

Cited by 29 publications

(30 citation statements)

References 296 publications

(452 reference statements)

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“…The curve obtained is linear, so experimental values lead to linear regression coefficient R 2 exceeding 0.99. Obtaining R 2 >0.99 is necessary since, the Lucas-Washburn Equation is valid for establishing kinetics of liquid capillary flow in yarn [15,16]. In this work, for all samples when time is smaller than 10 s, R 2 is higher than 0.99 and it could be postulated that the dominant kinetics on capillary flow of colored liquid in test PAN nanofiber yarns follow the Lucas-Washburn (equation (3)).…”

Section: Kinetics Of Capillary Flow In Nanofiber Yarnmentioning

confidence: 95%

“…In capillary penetration of liquids, tortuosity affects the capillary rising. Twist in the yarn influenced the size and continuity of inter-fiber capillaries as a result of the helical path of the fibers in the yarn [15,[18][19][20]. The yarn specific volume decreases with increasing twist, i.e., there is a reduction in the effective radius r e of capillaries and their continuity.…”

Section: Effect Of Chromatography Phenomenonmentioning

confidence: 98%

“…However, as the blood vessel scaffold needs to be mechanically strong, nanofiber yarn can be woven to provide the desired mechanical strength [15].…”

Section: Introductionmentioning

confidence: 99%

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Wicking phenomenon in polyacrylonitrile nanofiber yarn

et al. 2011

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The aim of this paper is to investigate vertical wicking in polyacrylonitrile (PAN) electrospinning nanofiber yarn using image analysis. Colored liquid rising phenomenon into the yarn and the distance of liquid rise were determined as a function of time. The kinetics of capillary rise follows the Lucas-Washburn equation. The results show that capillary rise rate coefficient is being reduced with increasing yarn twist, due to the reduction of continuity and size of capillaries. Increasing heat treatment stretch from 0 % (draw ratio=1) to 50 % (draw ratio=1.5) increases the capillary rise rate coefficient, due to the more homogeneity of capillary spaces in the yarn structure and increasing heat treatment stretch from 50 to 100 % (draw ratio=2) reduces capillary rise rate coefficient, because of the low capillary length. The present study indicates that an appropriate choice in production parameters of nanofiber yarn is all important in obtaining the desired properties of capillary rise.

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Section: Kinetics Of Capillary Flow In Nanofiber Yarnmentioning

confidence: 95%

Section: Effect Of Chromatography Phenomenonmentioning

confidence: 98%

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Wicking phenomenon in polyacrylonitrile nanofiber yarn

et al. 2011

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“…The transformation of polymer solutions into NFs in the electrospinning process are affected by several parameters including (a) the solution properties, such as viscosity, polymer concentration, conductivity/charge density, surface tension, polymer molecular weight and volatility of solvents; (b) processing condition, such as the field strength/applied voltage, flow rate, the distance between the tip and the collector, the needle tip design and placement, collector composition, geometry and take up velocity of the collector and (c) ambient parameters, such as temperature, humidity and atmospheric pressure [25]. PVA 3 has been used widely in producing metal oxide NFs by the electrospinning method.…”

Section: Introductionmentioning

confidence: 99%

Optimization of the electrospinning parameters of Mn2O3 and Mn3O4 nanofibers

EL-Rafei

2015

Ceramics International

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“…93 Many researchers have studied the morphology of various novel nano-surfaces by SEM. It is very simple and most widely used for morphological analysis.…”

Section: Characterization Of Nano Fibresmentioning

confidence: 99%

Nano Fibres by Electro spinning: Properties and Applications

Nayak¹,

Padhye²

2017

JTEFT

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Electro spinning is a simple and versatile technique applicable to a wide range of polymers and solvents for the production of materials in nanometer scale. The nano fibrous materials produced by electro spinning process exhibit novel and significantly improved physical, chemical and biological properties. The small fibre diameter and the porous structure of the electrospun surfaces enable them for a wide range of applications such as wound dressing, tissue engineering scaffolds, vascular grafts, filters, membranes and sensors. In this article the principle, setup, materials used and the factors affecting the electro spinning process have been described. Also the properties & applications of electrospun fibres and the limitations & future scope of electro spinning process have been highlighted.

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Nanotechnology in fibrous materials–a new perspective

Cited by 29 publications

References 296 publications

Wicking phenomenon in polyacrylonitrile nanofiber yarn

Wicking phenomenon in polyacrylonitrile nanofiber yarn

Optimization of the electrospinning parameters of Mn2O3 and Mn3O4 nanofibers

Nano Fibres by Electro spinning: Properties and Applications

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