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Electrospinning Fundamentals: Optimizing Solution and Apparatus Parameters

Electrospinning Fundamentals: Optimizing Solution and Apparatus Parameters

Published on: January 21, 2011

Scaling analysis for electrospinning.

Siddharth B Gadkari¹

¹IITB-Monash Research Academy, Indian Institute of Technology Bombay, Powai, 400076 Mumbai, India.

|December 20, 2014

Summary

This summary is machine-generated.

Electrospinning creates nanofibers using electrified polymer jets. This study identifies key parameters and develops a new scaling expression to predict final fiber diameter based on viscous and charge repulsion effects.

Keywords:

Correlation Electrospinning Scaling analysis

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Electrospinning Fundamentals: Optimizing Solution and Apparatus Parameters

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Published on: December 23, 2017

Area of Science:

Materials Science
Polymer Science
Nanotechnology

Background:

Electrospinning is a versatile technique for producing nanofibers from polymer solutions.
The process involves complex interactions between numerous parameters influencing fiber characteristics.
Controlling nanofiber diameter is crucial for tailoring material properties.

Purpose of the Study:

To establish a relationship between electrospinning process parameters and the resulting nanofiber diameter.
To identify and define dimensionless numbers that capture the dominant physical phenomena.
To develop a predictive scaling model for nanofiber diameter.

Main Methods:

Governing equations for jet motion were analyzed using scaling analysis.
Two novel dimensionless numbers were derived to represent viscous and surface charge repulsion effects.
Experimental data from various polymer solutions were correlated using these dimensionless numbers.

Main Results:

A common slope was observed when plotting experimental data against the new dimensionless numbers.
A new scaling expression for predicting the final nanofiber diameter was successfully derived.
The derived expression effectively correlates fiber diameter with key process parameters.

Conclusions:

The identified dimensionless numbers provide a simplified framework for understanding electrospinning.
The new scaling expression offers a valuable tool for optimizing electrospinning processes.
This work advances the predictive capability for nanofiber fabrication via electrospinning.