Optimization Design of a Multi-String Standing Wave Electrospinning Apparatus Based on Electric Field Simulations

Area of Science:

• Materials Science
• Chemical Engineering
• Nanotechnology

Background:

• Mass production of uniform, high-quality polymer nanofibers is challenging.
• Existing electrospinning methods struggle with scalability and yield.

Purpose of the Study:

• To enhance the spinning yield of polymer nanofibers.
• To develop and optimize a multi-string standing wave electrospinning apparatus for mass production.

Main Methods:

• Incorporation of a string array into a standing wave electrospinning device.
• Optimization of process parameters: string spacing, quantity, and phase difference.
• Electric field simulations to analyze electric field distribution and interference.

Main Results:

• Optimal parameters identified: 40 mm string spacing, two strings, and a half-period phase difference.
• Electric field interference reduced by adjusting phase difference.
• Nanofiber diameter remained consistent (178 ± 72 nm) compared to single-string methods.
• Spinning yield increased by 88.7% to 2.17 g/h.

Conclusions:

• The multi-string standing wave electrospinning apparatus significantly improves production yield.
• The optimized setup demonstrates potential for large-scale, high-quality nanofiber manufacturing.
• Valuable insights provided for optimizing wire-type electrospinning processes.