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(2010)
Mechanical properties of electrospun nanofiber mats; (a) as-spun, (b) hot-stretched at the tensile force of 6 N, (c) 8 N, (d) 10 N, and (e) 12 N
- Publisher
- Springer Journals
- Copyright
- 2013 The Korean Fiber Society and Springer Science+Business Media Dordrecht
- ISSN
- 1229-9197
- eISSN
- 1875-0052
- DOI
- 10.1007/s12221-013-0405-z
- Publisher site
- See Article on Publisher Site
Abstract
Abstract Well-aligned PMIA nanofiber mats were fabricated by electrospinning and then hot-stretching along the fiber axis was used to improve the mechanical properties of nanofibers in this paper. Scanning electron microscopy (SEM), X-ray diffraction (XRD) and Differential scanning calorimetry (DSC) were used to characterize the morphology and properties of nanofibers. The results showed that the nanofibers became thinner and better alignment than the as-spun nanofibers after hotstretching, and the average diameter of the nanofibers decreased with the increasing of the tensile force. In the same time, hotstretching improved the crystallinity and T g of the as-spun PMIA nanofibers. The tensile strength and modulus of the hotstretched nanofiber mats peaked at ca.50 % and ca.196 % respectively at the tensile force of 12 N compared with the as-spun nanofiber mats.
Journal
Fibers and Polymers – Springer Journals
Published: Mar 1, 2013
Keywords: Polymer Sciences