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Effect of hot-stretching on morphology and mechanical properties of electrospun PMIA nanofibers

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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.

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Authors and Affiliations

  1. College of Textile and Clothing Engineering, Soochow University, Suzhou, 215006, China

    Bin He, Long Tian, Jie Li & Zhijuan Pan

  2. National Engineering Laboratory for Modern Silk, Soochow University, Suzhou, 215123, China

    Zhijuan Pan

Authors
  1. Bin He
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  2. Long Tian
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  3. Jie Li
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  4. Zhijuan Pan
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Correspondence to Zhijuan Pan.

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He, B., Tian, L., Li, J. et al. Effect of hot-stretching on morphology and mechanical properties of electrospun PMIA nanofibers. Fibers Polym 14, 405–408 (2013). https://doi.org/10.1007/s12221-013-0405-z

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  • DOI: https://doi.org/10.1007/s12221-013-0405-z

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