Controlling numbers and sizes of beads in electrospun nanofibers
By Yong Liu, Ji-Huan He, Jianyong Yu, H. Zeng. Polymer international, 2008
228 citations recorded by the source corpus.
BACKGROUND: Electrospinning is a powerful and effective method to produce nanofibers. Beads have been observed widely in electrospun products, but effects of solvents, weight concentrations and salt additives on the number and morphology of beads in the electrospinning process have not been systematically studied. RESULTS: Both theoretical analysis and experimental results show that beads strongly depend upon solvents, weight concentrations and salt additives. Either a suitable weight concentration or a suitable salt additive can completely prevent the occurrence of beads in the electrospinning process; solvents can affect the number of beads and the morphology of electrospun fibers. CONCLUSION: Beads are mainly caused by lower surface tension. With a higher surface tension, the size and number of beads in electrospun products are smaller and fewer, respectively. Copyright © 2007 Society of Chemical Industry
Subfields: Biomaterials, Biomedical Engineering, Polymers and Plastics
View Paper: https://www.semanticscholar.org/paper/9b850383a7dd1db4c92db4d23327f8197c481ff3
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Citations in the corpus
- Highly aligned narrow diameter chitosan electrospun nanofibers (2013, background): “The formation of these droplets is attributed to the insufficient molecular chain entanglements, low surface tension, and low conductivities of the polymer solution, which allowed the breakup of the electrically driven jet into droplets [32, 33].”
- Review on fiber morphology obtained by bubble electrospinning and blown bubble spinning (2012, background): “Additionally the flow rate, applied voltage, and solution density will also affect the bead distribution, see discussion in [29].”