Journal of Materials Science

, Volume 43, Issue 8, pp 2754–2760 | Cite as

Anisotropy in structure and mechanical properties of perpendicular-laid nonwovens

  • Kum Young Kang
  • Kui Young Lee
  • Kyung Jae Jo
  • Han Seong Kim


This study addresses the three-dimensional structure and mechanical properties of perpendicular-laid nonwovens produced from PET and PET/PE bicomponent fibers. Two different web-forming methods, air folding and mechanical folding systems, have been employed to produce the perpendicular-laid nonwovens. It is proved that both systems can produce well-developed perpendicular-laid structures. A comparison has been made between mechanical properties and fiber orientation distribution function (ODF). ODFs at three faces of nonwovens were analyzed by image analysis techniques using the two-dimensional Fast Fourier Transform (2D FFT). Further, mechanical measurements were performed at various azimuthal directions to investigate the related mechanical responses in three-dimensions.


Orientation Distribution Function Nonwoven Fabric Thermal Bonding Folding Type Compressional Energy 
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Copyright information

© Springer Science+Business Media, LLC 2008

Authors and Affiliations

  • Kum Young Kang
    • 1
  • Kui Young Lee
    • 1
  • Kyung Jae Jo
    • 1
  • Han Seong Kim
    • 1
  1. 1.Department of Organic Material Science and EngineeringPusan National UniversityPusanKorea

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