An improved free surface electrospinning for high throughput manufacturing of core-shell nanofibers

作者：Jiang, Guojun; Qin, Xiaohong^*

来源：Materials Letters, 2014, 128: 259-262.

DOI：10.1016/j.matlet.2014.04.074

• Fiber technology
• Coaxial electrospinning
• Nanofibers
• Polymers
• Massive production

A novel coaxial electrospinning process modified from free surface electrospinning has been successfully developed to massive production of core-shell nanofibers in the present paper. A two-layer polymer system, with the lower layer consisting a core polymer solution and the upper layer consisting a sheath polymer solution, is subjected to a sufficient electrical field. As a result, multiple coaxial jets spontaneously form on the edges of the stepped pyramid-shaped spinneret. Compared with the conventional concentric spinneret based coaxial electrospinning, the possibility of clogging was avoided and an enhancement of more than 100 times over the traditionally obtained core-shell nanofibers productivity was obtained. This novel design has potential for high throughput of electrospun core-shell nanofibers.

• 出版日期2014-8-1
• 单位东华大学