Journal
THERMAL SCIENCE
Volume 25, Issue 2, Pages 1295-1303Publisher
VINCA INST NUCLEAR SCI
DOI: 10.2298/TSCI191228025L
Keywords
drug delivery; tissue engineering; separation; mathematical model; catalytic reaction; bubble electrospinning; super-fine coating; cosmetics
Categories
Funding
- Science and Technology Project of Suzhou City in China [SYG201827]
- National Natural Science Foundation of China [51802244]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
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The dropping mechanism in the electrospinning process is explained, where a moving jet breaks into drops and daughter jets to form microspheres. The effects of applied voltage, flow rate, polymer concentration, and receptor distance on the dropping process are analyzed and verified. The paper provides a general strategy for fabricating smooth fibers, microspheres, and their mixtures.
The dropping mechanism in the electrospinning process is elucidated. A moving jet becomes thinner at the initial stage due to the acceleration caused by the electrostatic force. When the jet diameter reaches a threshold, beyond which the jet breaks into drops and daughter jets, dropping occurs. The drops will finally form microspheres. Effects of applied voltage, flow rate, polymer's concentration, and receptor's distance on the dropping process are theoretically analyzed and experimentally verified. This paper gives a general strategy for fabrication of smooth fiber, microspheres, and their mixture.
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