Melt Electrohydrodynamic Direct-Writing Micro/Nano Fiber with Restriction of Heated Sheath Gas

Abstract:

Melt electrospinning is a novel technology in the field of 1D micro/nanostructure fabrication. Decreasing the diameter and promoting surface morphology of melt fiber are the key for the application of melt electrospinning technology. Heated sheath gas is introduced to build up melt electrospinning direct-write technology, and then orderly micro/nanofibers can be direct-written. The heated sheath gas provided a good way to increase the temperature of melt jet, by which solidification can be slowed. With the help of heated sheath gas, the diameter of melt fiber can be decreased. The affects of process parameters on the diameter of melt electrospinning fiber was investigated, the diameter of melt electrospinning fiber increased with the increasing of temperature of spinneret and feed rate, but decreased with the increasing of voltage and distance between spinneret and collector. Heated sheath gas is an excellent method to promote the application of melt electrospinning.

• Periodical: Key Engineering Materials (Volumes 645-646)
• Pages: 45-51
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.645-646.45
• Online since: May 2015
• Authors: Zhao Jie Yu, Lin Jie Wang, Ling Ling Sun, Yi Hong Lin, Wei Wang, Gao Feng Zheng, Dao Heng Sun*
• Keywords: Direct-Writing Technology, Electrohydrodynamic Printing, Heated Sheath Gas, Melt Electrospinning, Micro/Nanostructures

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