Journal
MEMBRANES
Volume 12, Issue 9, Pages -Publisher
MDPI
DOI: 10.3390/membranes12090861
Keywords
electrospinning; nanotechnology; fiber modifications
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Funding
- National Council of Technological and Scientific Development (CNPq)
- Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior-Brasil (CAPES) [001]
- Graduate Program in Chemical Engineering at Federal University of Sao Carlos
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This article reviews the electrospinning technique and its applications in material modification and functional enhancement. By controlling the parameters involved in the electrospinning process and using specific treatments, nanoscale fibers with specific properties can be obtained for various applications.
The development of new materials with specific functionalities for certain applications has been increasing with the advent of nanotechnology. A technique widely used for this purpose is electrospinning, because control of several parameters involved in the process can yield nanoscale fibers. In addition to the production of innovative and small-scale materials, through structural, chemical, physical, and biological modifications in the fibers produced in electrospinning, it is possible to obtain specific properties for a given application. Thus, the produced fibers can serve different purposes, such as in the areas of sensors, catalysis, and environmental and medical fields. Given this context, this article presents a review of the electrospinning technique, addressing the parameters that influence the properties of the fibers formed and some techniques used to modify them as specific treatments that can be conducted during or after electrospinning. In situ addition of nanoparticles, changes in the configuration of the metallic collector, use of alternating current, electret fibers, core/shell method, coating, electrospray-coating, plasma, reinforcing composite materials, and thermal treatments are some of the examples addressed in this work. Therefore, this work contributes to a better comprehension of some of the techniques mentioned in the literature so far.
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