HIGH THROUGHPUT ELECTROBLOWING PROCESS

The present invention is a fiber spinning process comprising the steps of providing a polymer solution, which comprises at least one polymer dissolved in at least one solvent with a vapor pressure of at least about 6 kPa at 25°C, to a spinneret, issuing the polymer solution in combination with a blowing gas in a direction away from at least one spinning nozzle in the spinneret and in the presence of an electric field wherein the polymer solution is discharged through the spinning nozzle at a discharge rate between 20 to 100 ml/min/hole, forming fibers, and collecting the fibers on a collector.


» Number: EP3470556A1 (A1)

» Publication Date: 17/04/2019

» Applicant: DU PONT?[US]

» Inventor: DEE GREGORY T?[US]; HOVANEC JOSEPH BRIAN?[US] (1)

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This project has received funding from the European Union's Horizon 2020 research and innovation programme under grant agreement Nº 737882.

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