Electrospinning With Polymer Melts
Electrospinning With Polymer Melts - Related Videos
12:28
Melt Electrospinning Writing of Three-dimensional Poly(ε-caprolactone) Scaffolds with Controllable Morphologies for Tissue Engineering Applications
0 Views •
Cited by 56 •
2017
This protocol serves as a comprehensive guideline to fabricate scaffolds via electrospinning with polymer melts in a direct writing mode. We systematically outline the process and define the appropriate parameter settings for achieving targeted scaffold architectures.
07:58
Electrospinning of Silk Biomaterials
0 Views •
2023
Silk fibers have been processed and used to create fabrics and threads for centuries. However, the solubilizing of silk fibers, thereby turning it into a versatile pre-polymer solution is a much newer technology. Solubilized silk can be processed in many different ways to create a biocompatible material with controllable mechanical properties. This video introduces the processing of silk from silk worm cocoons, and shows how the silk solution can be used to create a fiber mat via...
06:55
Synthesis of Cyclic Polymers and Characterization of Their Diffusive Motion in the Melt State at the Single Molecule Level
0 Views •
2016
A protocol for the synthesis and characterization of diffusive motion of cyclic polymers at the single molecule level is presented.
10:08
Electrospinning Fibrous Polymer Scaffolds for Tissue Engineering and Cell Culture
0 Views •
Cited by 38 •
2009
The process of electrospinning polymers for tissue engineering and cell culture is addressed in this article. Specifically, the electrospinning of photoreactive macromers with additional processing capabilities of photopatterning and multi-polymer electrospinning is described.
06:55
Fabrication of Small Caliber Stent-grafts Using Electrospinning and Balloon Expandable Bare Metal Stents
0 Views •
Cited by 10 •
2016
In the protocol, we present a method to manufacture a small caliber stent-graft by sandwiching a balloon expandable stent between two electrospun nanofibrous polyurethane layers.
FAQs
Temperature controls melt viscosity, which determines how readily the polymer can be drawn by the electric field. Raising heat lowers viscosity and facilitates stretching, while the selected temperature must be considered alongside voltage and flow rate rather than treated independently. These coupled settings influence whether the process produces the intended continuous fiber structure.
During flight from nozzle to collector, the charged melt is stretched by the electric field and cools before deposition. This sequence converts the initially flowing material into a solid fiber network, while the extent of stretching and cooling contributes to the resulting fiber diameter and mat structure. It therefore links electrical conditions to the scaffold's final architecture.
The collector does more than receive fibers: its design helps determine how deposited fibers are arranged. Together with temperature, voltage, and flow rate, collector design can be adjusted to influence alignment, fiber diameter, and porosity. These structural features matter because they define the organization and available surface area of the nonwoven mat, allowing the material to be tailored for different bioengineering uses.
A basic setup combines a heated polymer source, a nozzle, a high-voltage electric field, and a collector. The polymer is heated until its viscosity is reduced, delivered through the nozzle, electrically drawn into a jet, and collected after stretching and cooling. Researchers then tune temperature, voltage, flow rate, and collector design to obtain the desired mat structure.
The absence of a solvent removes concern about solvent residues in the produced fibers, a relevant advantage when designing bioengineering materials. This feature supports interest in melt-spun scaffolds for tissue engineering, filtration, and controlled drug delivery. The technique therefore connects processing choices with material suitability for applications where fiber structure and surface area must be engineered.
Researchers can use fiber diameter, alignment, and porosity as key structural outcomes when assessing a melt-spun mat. These properties reflect the chosen temperature, voltage, flow rate, and collector design, and they describe how the scaffold is organized. In bioengineering studies, such measurements help compare materials intended for tissue engineering, filtration, or controlled drug delivery.