Magnetic-Field-Assisted Emulsion Electrospinning System: Designing, Assembly, and Testing for the Production of PCL/Gelatin Core밪hell Nanofibers 


Vol. 24,  No. 2, pp. 515-524, Feb.  2023
10.1007/s12221-023-00111-0


  Abstract

There are different methods for producing core뱒hell nanofibers, one of which is the emulsion electrospinning method. The stability of the emulsion during electrospinning is one of the most critical factors in the quality of the fibers. In this study, a magnetic-field-assisted emulsion electrospinning system was designed, built, and tested to keep the emulsion stable without additives or sonication. Polycaprolactone (PCL) 10 wt. % in dichloromethane (DCM) for the shell and gelatin 2.5 wt. % in water for the core was used. Scanning electron microscope (SEM) image of samples with different weight ratios of components both with and without using the magnetic-field-assisted emulsion electrospinning system at different rotational speeds was investigated. Transition electron microscope (TEM) images of the sample with a ratio of 1/10 (gel/PCL) at different rotational speeds were studied. The fibers were finally analyzed by Fourier transform infrared (FTIR) and tensile strength machine. According to the results, there was no change in the bonds in the materials after electrospinning. The designed system improved the fiber texture and reduced its structural problems significantly. By increasing the rotation speed of the magnet from 700 to 900 rpm, an improvement in fiber morphology and uniformity in diameter was observed. The composition of gelatin/PCL with a ratio of 1/10 was selected as the optimal condition. The spun nanofibers in these conditions had a uniform structure without the bead, and the presence of both polymers uniformly in the fibers was shown. Finally, the magnetic-field-assisted emulsion electrospinning system successfully held the emulsion stable during electrospinning without additives.

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  Cite this article

[IEEE Style]

F. Kashani멇sadi멙afari, A. Parhizgar, A. Hadjizadeh, "Magnetic-Field-Assisted Emulsion Electrospinning System: Designing, Assembly, and Testing for the Production of PCL/Gelatin Core밪hell Nanofibers," Fibers and Polymers, vol. 24, no. 2, pp. 515-524, 2023. DOI: 10.1007/s12221-023-00111-0.

[ACM Style]

Fatemeh Kashani멇sadi멙afari, Ahmadreza Parhizgar, and Afra Hadjizadeh. 2023. Magnetic-Field-Assisted Emulsion Electrospinning System: Designing, Assembly, and Testing for the Production of PCL/Gelatin Core밪hell Nanofibers. Fibers and Polymers, 24, 2, (2023), 515-524. DOI: 10.1007/s12221-023-00111-0.

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