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Related Experiment Video

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Double Bubble Electrospinning: Patents and Nanoscale Interface.

Muhammad Ali1, Ya Li2, Ji-Huan He1

  • 1National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou, China.

Recent Patents on Nanotechnology
|October 25, 2023
PubMed
Summary
This summary is machine-generated.

This study introduces double bubble electrospinning to create bipolymeric nanofibers with a defined interface. This method enhances nanofiber properties and thermal stability, paving the way for new functional materials.

Keywords:
Bipolymer nanofibersMaxwell simulationPVA/PVP electrospinningdouble bubble electrospinningfibers’ interfacescanning electron microscopy.

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Area of Science:

  • Materials Science
  • Polymer Science
  • Nanotechnology

Background:

  • Bipolymeric nanofibers offer enhanced functionality and mechanical properties.
  • Fabricating composite fibers with a well-defined polymer-polymer interface is challenging.

Purpose of the Study:

  • To develop and validate a double bubble electrospinning method for creating bipolymeric nanofibers with an interface.
  • To compare the properties of these interfacial nanofibers with pure polymers and blends.

Main Methods:

  • Simulated electric field using Maxwell 3D for a double bubble electrospinning setup.
  • Simultaneously electrospun polyvinylpyrrolidone (PVP) and polyvinyl alcohol (PVA) to form interfacial nanofibers.
  • Characterized nanofibers using SEM, FTIR, and TGA.

Main Results:

  • SEM confirmed side-by-side PVA/PVP interfacial nanofibers.
  • Increased voltage (20 kV to 40 kV) reduced nanofiber diameter significantly (60.8% for PVA, 66.3% for PVP).
  • FTIR confirmed both polymers' presence; TGA showed 14.28% higher weight retention post-degradation compared to controls.

Conclusions:

  • Double bubble electrospinning is a viable method for fabricating bipolymeric interfacial nanofibers.
  • The technique offers potential for developing novel functional nanofibers with improved properties.
  • This approach opens new avenues for nanofiber applications and intellectual property.