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Solvent circulation electrostatic spinning device

An electrospinning and solvent-based technology, applied in textiles and papermaking, filament/thread forming, fiber processing, etc., can solve the problems of spinning head clogging and other problems, and achieve easy clogging, uniform microfiber structure and smooth surface Effect

Inactive Publication Date: 2011-02-23
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a solvent circulation electrospinning device to solve the problem of clogging of the spinning head during the electrospinning process, prepare polymer ultrafine fibers, and improve the yield of the electrospinning process

Method used

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  • Solvent circulation electrostatic spinning device
  • Solvent circulation electrostatic spinning device
  • Solvent circulation electrostatic spinning device

Examples

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Embodiment Construction

[0016] Below in conjunction with specific embodiment, further illustrate the present invention. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

[0017] Such as figure 1 As shown, a solvent circulation electrospinning device includes a dual-channel axial flow syringe pump 1 , a conduit 2 , a metal spinning head 3 , a high voltage generator 4 and a fiber collecting plate 5 . One of the axial flow syringes of the dual-channel axial flow syringe pump 1 contains a polymer spinning solution, and the other axial flow syringe contains a circulation solvent, and the circulation...

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Abstract

The invention relates to a solvent circulation electrostatic spinning device, which comprises a double-channel axial flow injection pump, a guide pipe, a metal spinning head, a high-pressure generator and a fiber collection plate. Polymer spinning solution is filled into one axial flow injector in the double-channel axial flow injection pump, and a circulation solvent is filled into the other axial flow injector in the double-channel axial flow injection pump, wherein the axial flow injector filled with the circulation solvent is connected with the guide pipe; the axial flow injector filled with the polymer spinning solution is connected with the metal spinning head; the metal spinning head passes through the side wall of the guide pipe; and a coaxial spinning head structure is formed by the metal spinning head and the guide pipe. The fiber collection plate is arranged below the coaxial spinning head structure. One end of the high-pressure generator is connected with the metal spinning head by a high-pressure joint, and the other end of the high-pressure generator is connected with the fiber collection plate and is earthed.

Description

technical field [0001] The invention relates to the field of preparation of polymer superfine fibers, in particular to a solvent circulation electrostatic spinning device. Background technique [0002] High-voltage electrospinning technology is a top-down nano-manufacturing technology. The jet is formed by overcoming the liquid surface tension and viscoelastic force of the droplet at the tip of the nozzle by an external electric field force. Under the joint action of tension, the atomized liquid jet is bent, stretched, and split by high frequency, and is drawn tens of millions of times within tens of milliseconds, and nano-scale fibers are obtained at the receiving end through solvent volatilization or melt cooling. This technology has simple process, convenient operation, wide selection of materials, strong controllability, and can prepare nanofibers with microstructure characteristics through nozzle design. It is considered to be the most likely method to realize the indus...

Claims

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Application Information

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IPC IPC(8): D01D13/00D01D5/00
Inventor 朱利民余灯广黄丽娅王斌
Owner DONGHUA UNIV
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