Abstract
Polyacrylonitrile (PAN) oriented nanofibers were produced by homemade needleless electrospinning device. Spiral coils were adopted to replace the traditional spinning needles in this equipment. The tracks of multi-jets were controlled by adjusting the microcurrent during the eletrospinning process. The microcurrent value and the motion track of the spinning jet during the spinning process were observed, the fiber morphology and the mechanical properties of fiber membranes were measured. The results revealed that the average diameters of the electrospun fibers were increased from 490 nm to 740 nm. with the addition of organic salt. Meanwhile, the self-clustering phenomenon was obviously observed, and the mechanical properties of obtained fibers were also altered, the tensile strength was improved from 3.63 MPa to 23.90 MPa, while the strain decreased from 74.6 % to 27.1 %.
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Zhang, J., Song, M., Li, D. et al. Preparation of self-clustering highly oriented nanofibers by needleless electrospinning methods. Fibers Polym 17, 1414–1420 (2016). https://doi.org/10.1007/s12221-016-6581-x
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DOI: https://doi.org/10.1007/s12221-016-6581-x