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In this paper, the basic principles, control parameters, materials, and partial nanofiber structures of electrospinning are described. The electrospinning device, part of the collecting device and the nozzle module designed based on the theory are introduced. In addition, two nanofiber additive technologies, 3D printing and near-field electrowriting, are also introduced.
Polycaprolactone (PCL) has excellent biocompatibility, memory and biodegradability. Electrospun PCL has the characteristics of softness, easy processing and excellent mechanical properties. It is often used as a scaffold material for tissue engineering.
Melt electrospinning is a technology that directly melts polymers and electrospun them to form fibers under high temperature conditions. Usually the melt electrospinning device is composed of a feeding mechanism, a heater, a nozzle, a high-voltage power supply, and a collecting plate.