Melt Electrospinning Designs for Nanofiber Fabrication for Different Applications

Area of Science:

• Materials Science
• Nanotechnology
• Polymer Science

Background:

• Nanofibers exhibit remarkable physicochemical and structural properties, leading to diverse applications.
• Electrospinning is a widely adopted technique for fabricating sub-micron fibers due to its simplicity and flexibility.

Purpose of the Study:

• To provide a comprehensive overview of the state-of-the-art in melt electrospinning.
• To categorize major melt electrospinning designs and discuss their impact on fiber characteristics.
• To analyze the influence of process parameters on the properties of melt-spun nanofibers.

Main Methods:

• Review of existing literature on melt electrospinning techniques.
• Categorization of melt electrospinning based on design: multitemperature control, gas assist, laser melt, coaxial, and needleless systems.
• Analysis of the relationship between process parameters and resultant nanofiber properties.

Main Results:

• Melt electrospinning offers a solvent-free method for nanofiber fabrication.
• Key design variations (e.g., coaxial, needleless) significantly alter fiber morphology and properties.
• Process parameters such as temperature, flow rate, and voltage critically affect fiber diameter, uniformity, and structure.

Conclusions:

• Melt electrospinning is a promising technique for advanced nanofiber production.
• Understanding design categories and process parameters is crucial for optimizing nanofiber characteristics.
• Further research is needed to overcome existing challenges in melt electrospinning technology.