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https://doi.org/10.37358/Rev.Chim.1949

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Revista de Chimie (Rev. Chim.), Year 2015, Volume 66, Issue 11,





LILIANA ROZEMARIE MANEA, ELENA NECHITA,ION SANDU
Electrospinning of Polyetherimide (PEI) Solution
Effect of nozzle sizes on the diameter of the fiber

Abstract:

The transversal dimension of electrospun fibers depends on a multitude of technological, constructive and environment factors and not finally, on the characteristics of polymeric solution. This study has examined the effect of the nozzle sizes on the diameter of the fibers of 12% polyetherimide (PEI) solution using as solvent dimethyl acetamide /tetrahydrofuran (DMAC/THF), 1:1 ratio. The polymer solution was processed at two values of nozzle size, and the voltage, feed rate and spinning distance were also varied. Processing with different parameters resulted in the production of fibers with diameters varying between 208 and 738nm. When the diameter of the nozzle size of the needle decreases, the surface tension of the drop increases and diminishes the resulted fibers diameter. Keywords: electrospinning, nanofibers, PEI, nozzle size, fiber diameter


Issue: 2015, Volume 66, Issue 11
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