MANUFACTURING DEVICE AND THE METHOD OF PREPARING FOR THE NANOFIBERS VIA ELECTRO-BLOWN SPINNING PROCESS
First Claim
1. A method for preparing nanofiber webs comprising:
- feeding a polymer solution to a spinning nozzle at a discharge rate between about 0.1 to 5 cc/min·
hole;
compressively discharging the polymer solution through the spinning nozzle, which is charged with a high voltage, while injecting compressed air through an air nozzle positioned adjacent the lower end of the spinning nozzle to form nanofibers; and
collecting the nanofibers on a grounded collector under the spinning nozzle in the form of a nanofiber web.
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Abstract
The invention relates to a nanofiber web preparing apparatus and method via electro-blown spinning. The nanofiber web preparing method includes feeding a polymer solution, which is a polymer dissolved into a given solvent, toward a spinning nozzle, discharging the polymer solution via the spinning nozzle, which is charged with a high voltage, while injecting compressed air via the lower end of the spinning nozzle, and collecting fiber spun in the form of a web on a grounded suction collector under the spinning nozzle, in which both of thermoplastic and thermosetting resins are applicable, the solution does not need to be heated and electrical insulation is readily realized.
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Citations
20 Claims
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1. A method for preparing nanofiber webs comprising:
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feeding a polymer solution to a spinning nozzle at a discharge rate between about 0.1 to 5 cc/min·
hole;compressively discharging the polymer solution through the spinning nozzle, which is charged with a high voltage, while injecting compressed air through an air nozzle positioned adjacent the lower end of the spinning nozzle to form nanofibers; and collecting the nanofibers on a grounded collector under the spinning nozzle in the form of a nanofiber web. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 17)
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9-16. -16. (canceled)
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18. A method for preparing nanofiber webs comprising:
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feeding a polymer solution to a spinning nozzle at a discharge rate between about 0.1 to 5 cc/min·
hole;compressively discharging the polymer solution through the spinning nozzle, which is charged with a high voltage, while injecting compressed air through an air nozzle positioned adjacent the discharge end of the spinning nozzle to form nanofibers; and collecting the nanofibers on a grounded collector in the form of a nanofiber web.
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19. A method for preparing nanofiber webs comprising:
feeding a polymer solution to a spinning nozzle;
discharging the polymer solution through the spinning nozzle at a discharge rate between about 0.1 to 5 cc/min·
hole and at a discharge pressure of between 0.1 to about 20 kg/cm2, which spinning nozzle is charged with a high voltage, while injecting compressed air through an air nozzle positioned adjacent the discharge end of the spinning nozzle to form nanofibers; and
collecting the nanofibers on a grounded collector in the form of a nanofiber web.- View Dependent Claims (20)
Specification