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US 12,686,952 B2Granted
Electrospinning alignment apparatus
AssigneeIdklab Inc.
InventorWontae Hwang
Life of this patent
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Abstract
Provided is an electrospinning alignment apparatus enabling mass production of nanofiber membranes by simultaneously nanofibers that are spun in alignment in one direction on a transferred carrier and nanofibers that are randomly spun.
Claims15
An electrospinning alignment apparatus comprising:
- a plurality of first electrospinning portions to which a first voltage is applied, for aligning and spinning nanofibers in a first horizontal direction, nanofibers spun from the plurality of first electrospinning portions being aligned in said first horizontal direction by a guide portion comprising guide bodies operative to change an electric field;
- a plurality of second electrospinning portions to which the first voltage is applied, for randomly spinning the nanofibers, the nanofibers being spun from the plurality of second electrospinning portions in a random manner without being aligned by the guide bodies;
- a stage portion to which a second voltage different than the first voltage is applied, spaced apart in a first vertical direction in which the nanofibers are spun from the plurality of first electrospinning portions and the plurality of second electrospinning portions;
- and
- a carrier transfer portion for coating the nanofibers spun from the plurality of first electrospinning portions and the plurality of second electrospinning portions onto a carrier by continuously passing the carrier between a position where the plurality of first electrospinning portions and the plurality of second electrospinning portions is disposed and a position where the stage portion is disposed,
- wherein the plurality of first electrospinning portions is spaced apart from each other in a second horizontal direction perpendicular to the first horizontal direction,
- wherein the guide bodies include a first guide body and a second guide body extending along the first horizontal direction and spaced apart from each other in the second horizontal direction to sandwich a corresponding one of the plurality of first electrospinning portions, and the first and second guide bodies are operative to change an electric field to align the nanofibers spun from said one of the plurality of first electrospinning portions in the first horizontal direction, and
- wherein the first guide body and the second guide body are individually made of a material with a relative dielectric constant of 50 or lower.
5 more elements
Dependencies are inferred from the claim text.