First of all, we need to understand what is electrospinning? Besides, there are many technologies for preparing ultrafine fibers at present. Among them, electrospinning (electrospinning) is a new processing method that can continuously and rapidly prepare nanometer to submicron ultrafine fibers. In recent years, people have paid much attention to it. Because, in theory, any meltable or soluble polymer material can be electrospun, not just PLA, but also other materials such as nylon, polyurethane, polyethylene oxide, polyacrylonitrile, polyimide, etc. Polymers such as amines, polyvinyl alcohol, and polycaprolactone are also suitable. Of course, the reason why electrospinning has received high attention in recent years is thanks to the development of nanotechnology.
Melt electrospinning is a method of electrospinning. Another electrospinning method is solution electrospinning. At present, the solution electrospinning technology is very mature, but there are problems such as low production efficiency, solvent recovery and emission pollution. In contrast, melt electrospinning is considered to be a more economical, environmentally friendly, and safer electrospinning technology, because this processing method does not require any solvents, is environmentally friendly, and produces fibers with smooth surfaces, No defects, and high production efficiency. Due to the characteristics of the process itself, melt electrospinning technology has been applied in the fields of filtration protection, biomedicine, and energy storage packaging.
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