Controlled electrospinning of fibers
OwnerVictor Barinov, Kalle Levoninventors
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Abstract
Methods for controlled electrospinning of polymer fibers are described. The methods include spinning a polymer fiber from a fluid comprising a polymer in the presence of an electric field established between a plurality of collectors and a jet supply device controlling the dispersion characteristics of the fluid by applying a magnetic field created by at least one magnet located after the point of jet formation. Different voltages are applied to at least two collectors of the plurality of collectors. At least one magnet, located between the jet supply device and at least one collector, creates a magnetic field substantially transverse or substantially collinear to an electrospinning jet stream. The magnetic field changes direction of travel of the electrospinning jet stream.
Claims22
A method for spinning a polymer fiber from a fluid comprising a polymer in the presence of an electric field established between a plurality of collectors and a jet supply device, comprising:
- a) forming an electrospinning jet stream of said fluid directed toward said plurality of collectors;
- b) controlling dispersion characteristics of said fluid by applying a magnetic field created by at least one magnet located after the point of jet formation;
- c) forming at least one polymer fiber on at least one collector of said plurality of collectors.
A method for spinning a polymer fiber from a fluid comprising a polymer in the presence of an electric field established between at least one collector and a jet supply device, comprising:
- a) forming an electro spinning jet stream of said fluid directed toward said at least one collector;
- b) controlling dispersion characteristics of said fluid by applying a magnetic field created by at least one magnet located between said jet supply device and said at least one collector;
- c) forming at least one polymer fiber at said at least one collector.
Dependencies are inferred from the claim text.