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용융전기방사를 이용한 두꺼운 미세섬유 매트의 제작

Fabrication of Thick Microfiber Mats Using Melt-Electrospinning

Journal of the Korean Society for Precision Engineering 2021;38(7):529-535.
Published online: July 1, 2021

1 경북대학교 대학원 기계공학과

2 퍼듀대학교 기계공학부

3 경북대학교 기계공학부

1 Department of Mechanical Engineering, Graduate School, Kyungpook National University

2 School of Mechanical Engineering, Purdue University

3 School of Mechanical Engineering, Kyungpook National University

#E-mail: yhjeong@knu.ac.kr, TEL: +82-53-950-5577
• Received: November 30, 2020   • Revised: May 7, 2021   • Accepted: May 18, 2021

Copyright © The Korean Society for Precision Engineering

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Citations

Citations to this article as recorded by  Crossref logo
  • Study of an Electrospinning Process Using Orthogonal Array
    Trieu Khoa Nguyen, Van-Tho Nguyen
    International Journal of Precision Engineering and Manufacturing.2024; 25(10): 2153.     CrossRef

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Fabrication of Thick Microfiber Mats Using Melt-Electrospinning
J. Korean Soc. Precis. Eng.. 2021;38(7):529-535.   Published online July 1, 2021
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J. Korean Soc. Precis. Eng.. 2021;38(7):529-535.   Published online July 1, 2021
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Fabrication of Thick Microfiber Mats Using Melt-Electrospinning
Image Image Image Image Image Image
Fig. 1 Experimental setup for melt-electrospinning
Fig. 2 Microfibers melt-electrospun under three different barrel temperature conditions (Scale bars in (a)-(c) correspond to 500 μm. Distance between the arrowheads in (c) corresponds to pattern width)
Fig. 3 Microfibers melt-electrospun under three different barrel pressure conditions (Scale bars in (a)-(c) correspond to 500 μm)
Fig. 4 Thick microfiber mats melt-electrospun under three different barrel pressure conditions (Scale bars in (a)-(d) correspond to 500 μm)
Fig. 5 Comparison of diameter distribution of microfibers melt-electrospun under three different barrel pressure conditions
Fig. 6 Mechanical properties and porosity of microfibers melt-electrospun under three different barrel pressure conditions
Fabrication of Thick Microfiber Mats Using Melt-Electrospinning

Experimental conditions

Parameters Values
Barrel temperature [°C] 90, 120, 150
Barrel pressure [kPa] 150, 300, 450
Scan speed [mm/s] 30
Tip-to-collector distance [mm] 15
Nozzle inner diameter [μm] 300
Electric potential [kV] 12

Number of layers, layer thickness, and fabrication time of microfibers melt-electrospun under three different barrel pressure conditions

Condition 1 2 3
Barrel pressure [kPa] 150 300 450
Number of layers 72 56 32
Layer thickness [μm] 42±1.3 52±1.8 94±2.1
Fabrication time [s] 3,298 2,565 1,466
Table 1 Experimental conditions
Table 2 Number of layers, layer thickness, and fabrication time of microfibers melt-electrospun under three different barrel pressure conditions