2020
DOI: 10.3390/ma13051055
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Biobased Dyes as Conductive Additives to Reduce the Diameter of Polylactic Acid Fibers during Melt Electrospinning

Abstract: Electrospinning is widely used for the manufacture of fibers in the low-micrometer to nanometer range, allowing the fabrication of flexible materials with a high surface area. A distinction is made between solution and melt electrospinning. The former produces thinner fibers but requires hazardous solvents; whereas the latter is more environmentally sustainable because solvents are not required. However, the viscous melt requires high process temperatures and its low conductivity leads to thicker fibers. Here,… Show more

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Cited by 22 publications
(16 citation statements)
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“…Electrospinning is a material fabrication technique that produces functional and economical three-dimensional fibrous structures [1,2]. The electrospun fibres result in the formation of a fabric network in possession of high porosity, small pore size, and large surface area to volume ratio [3,4].…”
Section: Introductionmentioning
confidence: 99%
“…Electrospinning is a material fabrication technique that produces functional and economical three-dimensional fibrous structures [1,2]. The electrospun fibres result in the formation of a fabric network in possession of high porosity, small pore size, and large surface area to volume ratio [3,4].…”
Section: Introductionmentioning
confidence: 99%
“…Several challenges must be overcome to achieve the larger-scale production of nanofibers [ 12 , 13 , 14 ]. One of these challenges is the high viscosity and low electrical conductivity of polymer melts [ 13 , 15 , 16 , 17 ], which can be addressed in part by the inclusion of additives [ 18 ]. For example, in our previous study, we investigated the use of curcumin and silver nanoparticles as multifunctional additives to reduce the viscosity of molten polybutylene succinate (PBS) while increasing its electrical conductivity [ 11 ].…”
Section: Introductionmentioning
confidence: 99%
“…Nevertheless, an additional solvent recovery step is required, increasing the overall process costs [ 12 ]. For example, the production of 1 kg of PLA fibers, when processed as a 10% solution, requires 10 L of solvent with only 90% recovered in a typical process [ 20 ]. In contrast, melt electrospinning does not require solvents, but the melt must be held at high process temperatures in order to facilitate extrusion [ 21 ].…”
Section: Introductionmentioning
confidence: 99%