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Related Concept Videos

Types of Step-Growth Polymers: Polyesters01:20

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The introduction of polyesters has brought major development to the textile industry. The wrinkle-free behavior of polyester blends has eliminated the need for starching and ironing clothes.
Polyesters are commonly prepared from terephthalic acid and ethylene glycol; the crude product is known as poly(ethylene terephthalate) or PET. However, polyesters are synthesized industrially by transesterification of dimethyl terephthalate with ethylene glycol at 150 °C. The two reactants and the polymer...
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Related Experiment Video

Updated: Mar 2, 2026

Microfluidic Fabrication of Polymeric and Biohybrid Fibers with Predesigned Size and Shape
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Additive manufacturing with polypropylene microfibers.

Jodie N Haigh1, Tim R Dargaville2, Paul D Dalton3

  • 1Institute of Health and Biomedical Innovation, Queensland University of Technology, 60 Musk Ave, Kelvin Grove, 4059, Australia; Department for Functional Materials in Medicine and Dentistry and Bavarian Polymer Institute, University of Würzburg, Pleicherwall 2, 97070 Würzburg, Germany.

Materials Science & Engineering. C, Materials for Biological Applications
|May 24, 2017
PubMed
Summary
This summary is machine-generated.

Melt electrospinning writing enables the additive manufacturing of polypropylene microfibers. This technique allows for precise 3D fabrication of small diameter fibers, opening new material applications.

Keywords:
3D printingAdditive manufacturingPolymer processing

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Area of Science:

  • Materials Science
  • Polymer Engineering
  • Additive Manufacturing

Background:

  • Polypropylene (PP) is a versatile polymer with desirable properties.
  • Additive manufacturing (AM) techniques are advancing material fabrication.
  • Precise control over microfiber dimensions is crucial for advanced applications.

Purpose of the Study:

  • To describe a novel additive manufacturing technique for polypropylene microfibers.
  • To achieve controlled, sequential fiber layering for 3D fabrication.
  • To optimize process parameters for high-quality microfiber production.

Main Methods:

  • Utilized melt electrospinning writing (MEW) for direct-writing of polypropylene.
  • Optimized collector speed, temperature, and melt flow rate.
  • Investigated the critical role of collector plate heating for filament adhesion.

Main Results:

  • Successfully fabricated polypropylene microfibers with a minimum diameter of 16.4±0.2μm.
  • Achieved sequential fiber layering for accurate 3D structures.
  • Identified optimal parameters for minimizing fiber pulsing and ensuring quality.

Conclusions:

  • Melt electrospinning writing is a viable method for producing small-diameter polypropylene microfibers.
  • The technique facilitates 3D fabrication with precise control over fiber placement.
  • Demonstrated potential for new applications leveraging polypropylene's properties.