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Electrospinning physical gels: The case of stereocomplex PMMA

Macromolecules, ISSN: 0024-9297, Vol: 42, Issue: 13, Page: 4353-4355
2009
  • 18
    Citations
  • 0
    Usage
  • 44
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    18
    • Citation Indexes
      18
  • Captures
    44

Article Description

A study was conducted to demonstrate a method for electrospinning PMMA stereocomplex solutions and reveal the way these solutions behaved differently from regular PMMA solutions. It was demonstrated that the process of gelation affected the electrospinning of stereocomplex PMMA solutions. PMMA solutions were sealed in glass vials and kept at a set temperature for 30 minutes and after that the vials were tipped over to determine the solution as a liquid or a sol. It was observed that the gel-sol transition was about 22 °C higher when heated than the sol-gel transition temperature upon cooling. The solutions were transferred into a custom-built electrospinning setup and kept there until their temperatures reached the equilibrium at selected temperatures. The relationship between the concentration and the morphology of the spun fibers at 91 °C was investigated.

Bibliographic Details

Matija Crne; Mohan Srinivasarao; Jung Ok Park

American Chemical Society (ACS)

Chemistry; Materials Science

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