Thermal interfiber bonding of electrospun poly(L-lactic acid) nanofibers

Young You, Sung Won Lee, Seung Jin Lee, Won Ho Park

Research output: Contribution to journalArticlepeer-review

81 Scopus citations

Abstract

The poly(l-lactic acid) (PLA) nanofibrous mat was produced by electrospinning. The PLA nanofibers were thermally bonded at 180 °C for different periods of time. The PLA nanofibers were physically welded by thermal treatment without severe structural modification, although their diameters increased due to slight melting of fiber surface. Both tensile strength and elongation at break of the bonded PLA nanofibrous mat were considerably improved, compared to the as-spun mat. Particularly, the increase in elongation at break may be attributed to shrinkage of mat during thermal treatment.

Original languageEnglish
Pages (from-to)1331-1333
Number of pages3
JournalMaterials Letters
Volume60
Issue number11
DOIs
StatePublished - May 2006

Keywords

  • Electrospinning
  • Elongation at break
  • Poly(L-lactic acid) (PLA)
  • Tensile strength

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