The melt electrospinning of polycaprolactone (PCL) ultrafine fibers

Abstract

Electrospinning is a technique of producing nanofibers from polymer solution/melt solely under the influence of electrostatic forces. In this research, we investigated the formation of nanofibers by melt electrospinning polycaprolactone (PCL). The effect of process parameters such as molecular weight, applied voltage, and electrode separation on the fiber diameter was investigated. Controlling the process parameters could help increase the proportion of ultrafine fibers in the melt electrospun nonwoven mat. The velocity of the straight jets was in the range of 0.2-1 m/s. The melt electrospun fibers were characterized with respect to fiber diameter, distribution, mechanical properties and birefringence. Melt electrospun polycaprolactone fibers had a diameter distribution of the order of 5 -20 μm. The birefringence of the melt electrospun fibers increased with decrease in fiber diameter.

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Correspondence to C. Ugbolue Samuel.

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Subramanian, C., Samuel, C.U., Warner, S.B. et al. The melt electrospinning of polycaprolactone (PCL) ultrafine fibers. MRS Online Proceedings Library 1134, 818 (2008). https://doi.org/10.1557/PROC-1134-BB08-18

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