Circular revolving brush electrostatic spinning device and use method of same
An electrospinning, rotating brush technology, applied in textiles and papermaking, filament/thread forming, fiber processing, etc., can solve the problems of non-orientation of the final nanofiber product structure, insufficient solution utilization, and low nanofiber yield, etc. Achieve the effect of solving the uncontrollable nanofiber structure, realizing industrialized preparation, and good controllability of solution concentration
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Embodiment 1
[0051] The following polymer solution prepared by polyacrylonitrile (PAN) and N-N dimethylformamide (DMF) is used to prepare nanofibers, the mass fraction of the prepared PAN polymer solution is 12%, and the configured PAN / DMF is high Inject the polymer solution into the spinning liquid storage bottle 5, connect the spinning liquid storage bottle 5 and the brush head 18 with the catheter 20, open the middle switch 6 of the catheter 20, open the main valve of the gas cylinder 3, and adjust the decompression The valve 2 pushes the piston so that the polymer solution 5 slowly flows into the brush head 18 through the catheter 20 , so that the polymer solution just fills the brush head 18 . Connect the metal drum 14 to the ground wire 15. The distance between the metal drum 14 and the metal ring nozzle is 300m. Turn on the motor a13 connected to the metal drum 14 to ensure that the metal drum 14 rotates normally at a speed of 45r / min. The cylindrical seat 11 passes through the belt ...
Embodiment 2
[0053] The following polymer solution prepared by polyacrylonitrile (PAN) and N-N dimethylformamide (DMF) is used to prepare nanofibers, the mass fraction of the prepared PAN polymer solution is 10%, and the configured PAN / DMF is high Inject the polymer solution into the spinning liquid storage bottle 5, connect the spinning liquid storage bottle 5 and the brush head 18 with the catheter 20, open the middle switch 6 of the catheter 20, open the main valve of the gas cylinder 3, and adjust the decompression Valve 2 pushes the piston so that the polymer solution slowly flows into the brush head 18 through the catheter 20, so that the polymer solution just fills the brush head 18, and connects the metal roller 14 with the ground wire 15, and the metal roller 14 and the metal ring nozzle The distance is 300mm. Turn on the motor a13 connected to the metal drum 14 to ensure that the metal drum 14 rotates normally at a speed of 45r / min. The cylindrical seat 11 is connected to the moto...
Embodiment 3
[0055] Next, nanofibers are prepared by using a polymer solution prepared from polyacrylonitrile (PAN) and N-N dimethylformamide (DMF). Prepare the mass fraction of the PAN polymer solution to be 12%, inject the prepared PAN / DMF polymer solution into the spinning storage bottle 5, and connect the spinning storage bottle 5 and the brush head 18 with the catheter 20 , open the middle switch 6 of the catheter tube 20, open the main valve of the gas cylinder 3, adjust the pressure reducing valve 2 to push the piston so that the polymer solution slowly flows into the brush head 18 through the catheter tube 20, so that the polymer solution just fills the brush head Head 18, connect the metal drum 14 to the ground wire 15, the distance between the metal drum 14 and the metal ring nozzle is 200mm, turn on the motor a13 connected to the metal drum 14, and ensure that the metal drum 14 rotates normally at a speed of 45r / min. 11 Connect with the motor 1 through the belt 8, turn on the mo...
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