| 摘要 |
<p>The present invention relates to an electrospinning apparatus including a spinning dope drop device (3) formed between a metering pump (2) and a nozzle block (4), the spinning dope drop device (3) including (i) a sealed cylindrical shape, (ii) a spinning dope inducing tube 3c and a gas inletting tube 3b receiving gas through its lower end and having its gas inletting part connected to a filter 3a being aligned side by side at the upper portion of the spinning dope drop device, (iii) a spinning dope discharge tube 3d being protruded from the lower portion of which, and (iv) a hollow unit for dropping the spinning dope from the spinning dope inducing tube 3c being formed at the middle portion of which. In addition, a method for preparing a non-woven fabric drops flowing of a spinning dope at least once by passing the spinning dope through a spinning dope drop device (3) before supplying the spinning dope to a nozzle block (4) supplied with a voltage in electrospinning. As a result, the present invention can mass-produce the nano fibers and non-woven fabrics by maximizing fiber formation effects in electrospinning, and easily control a width and thickness of the non-woven fabric.</p> |
