Highly flexible and tough concentric triaxial polystyrene fibers

Shaohua Jiang, Gaigai Duan, Eyal Zussman, Andreas Greiner, Seema Agarwal

Research output: Contribution to journalArticlepeer-review

Abstract

A combination of appropriate reinforcing material and morphology led to the highly tough, flexible, and strong polystyrene fibers by electrospinning. Concentric fiber morphology with reinforcing elastomeric thermoplastic polyurethane (TPU) sandwiched between the two layers of polystyrene made by a special nozzle (triaxial) showed toughness of >270 J g-1 and 300% elongation without any cracks in comparison to toughness of <0.5 J g -1 and elongation at break of <5% of polystyrene single fibers. The concentric triaxial morphology showed great advantage in comparison to the coaxial structure. Toughness and elongation at break were 1376 and 628% higher, respectively, for triaxial morphology in comparison to the coaxial fibers because of the better interface from the sandwich structure.

Original languageEnglish
Pages (from-to)5918-5923
Number of pages6
JournalACS Applied Materials and Interfaces
Volume6
Issue number8
DOIs
StatePublished - 23 Apr 2014

Keywords

  • 1D composites
  • electrospinning
  • mechanical properties
  • tough
  • triaxial fibers

All Science Journal Classification (ASJC) codes

  • General Materials Science

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