Static spinning equipment of Nano fiber

A nanofiber and electrospinning technology, applied in fiber processing, textile and papermaking, filament/thread forming, etc., can solve the problems of easy blockage of spinneret holes and low production efficiency, and achieve large-scale production and production efficiency. high effect

Inactive Publication Date: 2007-10-10
DONGHUA UNIV
16 Cites 48 Cited by

AI-Extracted Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a bottom-up nanofiber electrospinning device...
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Abstract

The present invention provides a nano fiber electrostatic spinning equipment. Said equipment includes the following several portions: point metal electrode, high-voltage electrostatic generator, fiber receiving device, storage liquor tank whose top portion is opened and air pump. Said invention also provides the connection mode of al the above-mentioned portions.

Application Domain

Filament/thread forming

Technology Topic

ElectrospinningEngineering +8

Image

  • Static spinning equipment of Nano fiber
  • Static spinning equipment of Nano fiber
  • Static spinning equipment of Nano fiber

Examples

  • Experimental program(2)

Example Embodiment

[0021] Example 1
[0022] The present invention provides a bottom-up nanofiber electrospinning device, which includes a tip metal electrode 4, a high-voltage electrostatic generator 2, a metal flat plate receiving electrode 5, a receiving curtain 10, a cylindrical liquid reservoir 7 with an open top, and The air pump 8, the air pump 8 are connected to a hollow tube made of insulating material, and the hollow tube leads to the jet hole 3. The amount of liquid added in the reservoir 7 should be higher than the top of the metal electrode 4, and the bottom surface of the reservoir 7 is equipped with The jet hole 3 connected to the air pump 8, as shown in Figure 3, there are a total of 8 jet holes 3 arranged in concentric circles, the tip metal electrode 4 is set at the center of the jet hole 3, and the tip of the metal needle of the tip metal electrode 4 is slightly extended The top of the jet hole is 1-2 mm, and the tip metal electrode 4 is connected to the high-voltage electrostatic generator 2 near the bottom surface of the liquid storage tank 7. The metal receiving electrode 5 is grounded to form a negative electrode, and an electrostatic field is formed between the tip metal electrode 4 protruding from the bottom of the reservoir 7, and the received nanofibers are under the joint action of the guide roller 11, the winding roller 12 and the unwinding roller 13. It is taken away from the deposition area and the finished product is packaged.

Example Embodiment

[0023] Example 2
[0024] The present invention provides a bottom-up nanofiber electrospinning device, which includes a tip metal electrode 4, a high-voltage electrostatic generator 2, a metal sawtooth receiving electrode 5, a receiving curtain 10, a top-opening cylindrical reservoir 7 and Air pump 8, air pump 8 is connected to a hollow tube made of insulating material. The hollow tube leads to jet holes 3, and the bottom surface of liquid reservoir 7 is equipped with jet holes 3 connected to air pump 8, as shown in Figure 4, there are 9 in total The air jet holes 3 are arranged in a matrix, the tip metal electrode 4 is set at the center of the air jet hole 3, the tip of the metal needle of the tip metal electrode 4 slightly extends 1-2 mm from the tip of the air jet hole, and the tip metal electrode 4 is on the bottom surface of the reservoir 7 It is connected to the high-voltage electrostatic generator 2 nearby. The metal receiving electrode 5 is grounded to form a negative electrode, and an electrostatic field is formed between the tip metal electrode 4 protruding from the bottom of the reservoir 7, and the received nanofibers are under the joint action of the guide roller 11, the winding roller 12 and the unwinding roller 13. It is taken away from the deposition area and the finished product is packaged.

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Description & Claims & Application Information

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