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Updated: Sep 22, 2025

Procedure for Fabricating Biofunctional Nanofibers

Procedure for Fabricating Biofunctional Nanofibers

Published on: September 10, 2012

Nanofibers from Scalable Gas Jet Process.

Rafael E Benavides¹, Sadhan C Jana², Darrell H Reneker²

¹Departments of Polymer Engineering and ‡Polymer Science, The University of Akron, Akron, Ohio 44325-0301, United States.

ACS Macro Letters

|May 24, 2022

Summary

A novel gas jet method efficiently produces polymer fibers from 20nm to several micrometers. This technique controls fiber morphology and arrangement, offering a simple way to create advanced polymer materials.

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Area of Science:

Materials Science and Engineering
Polymer Chemistry
Nanotechnology

Background:

The production of polymer fibers with controlled diameters and morphologies is crucial for various advanced applications.
Existing methods for polymer fiber fabrication can be complex and may not offer precise control over fiber characteristics.

Purpose of the Study:

To report a new, simple, and effective method for producing polymer fibers using a high-velocity expanding gas jet.
To investigate the influence of process parameters on fiber diameter, surface morphology, and arrangement.

Main Methods:

Utilizing a high-velocity expanding gas jet to transform polymer solutions into fibers.
Contacting the polymer solution with the gas jet at different configurations: flat surface, needle tip, and pendant drop.
Analyzing the relationship between capillary number, polymer concentration, and resulting fiber diameter.

Main Results:

Successfully produced polymer fibers with diameters ranging from tens of nanometers to a few micrometers.
Achieved control over fiber surface morphology (smooth or wrinkled) and arrangement (core-shell, side-by-side).
Observed fiber conglutination levels dependent on the collection distance from the nozzle.

Conclusions:

The reported gas jet method provides a versatile and straightforward approach for fabricating polymer fibers with tunable properties.
This technique holds potential for the scalable production of advanced polymer fibers for diverse technological applications.