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Preparing method of nanofiber cloth

A nanofiber and solution technology, applied in the nano field, achieves the effect of clear patterning, reliable process principle and improved use effect

Inactive Publication Date: 2017-05-10
尤世元
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But in summary, the current use of different shape structures (rectangular, rhombus grid; hexagonal, rectangular patterned metal sheet), conductive template (metal grid, patterned metal sheet) and insulating template (nylon grid ) to prepare patterned nanofiber self-supporting films, and the technology of analyzing its microscopic morphology and formation mechanism has not been reported yet.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] The electrospinning device of the present embodiment comprises three parts: a high-voltage electrostatic generator, a spinning solution container with a nozzle, and a fiber collection device; The spinning solution is positively charged, and its negative electrode is connected to the fiber collection device; the process steps include the preparation of the electrospinning solution, the selection of the patterned metal sheet and the electrospinning; when no voltage is applied, the nozzle of the spinning solution container The spinning droplet at the top is formed into a convex hemispherical shape; when a voltage of 5-30 kV is applied between the nozzle and the fiber collecting device, the hemispherical spinning droplet will become a cone shape, and then under the action of a strong electric field, it will form a It is ejected in a cone to form a jet; the charged jet is accelerated, stretched, and split in an electric field, and the diameter is reduced; the diameter of the ...

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PUM

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Abstract

The invention relates to a preparing method of nanofiber cloth. The preparing method includes the steps that zinc acetate is dissolved in deionized water, the zinc acetate solution and ethyl alcohol are slowly and dropwises added into a PVP solution under the stirring condition and stirred for 2 h at the room temperature to prepare a uniform and transparent zinc acetate / PVP precursor electrostatic spinning solution contained in a spinning solution container with a nozzle, and hemispherical solution balls are formed on the nozzle; the metal nozzle is connected with a positive pole of a power source, a fiber collecting device is put under the nozzle and connected with a negative pole of the power source, the power source is turned on, voltage is boosted to 20 kV and then reduced after timing for 60 s, electrified jet flow is sprayed out of the nozzle to form a fiber layer without constant orientation, and the fiber layer deposits on the fiber collecting device. The technical principle is reliable, the technical process is simple, spinning quality is easy to control, patterning is clear, spinning patterns can be selected flexibly, and the using effect of the spinning cloth is improved.

Description

[0001] Technical field: [0002] The invention belongs to the field of nanotechnology, and relates to a process method for preparing patterned nanofibers by using electrostatic spinning technology, in particular to a method for preparing nanofiber cloth. [0003] Background technique: [0004] Nanofiber is one of the research hotspots in recent years, and its surface area can reach 10-20m 2 / g is several times that of ordinary fiber products. Due to its large specific surface area and strong surface activity, nanofiber textiles also have excellent properties such as good adsorption, strong filtration capacity, and barrier insulation. It has outstanding features and is very suitable for the manufacture of adsorption materials and filter materials; in addition, it can also be developed into functional fibers with various functions such as antibacterial, anti-radiation, flame retardant and shielding. In the past 20 years, relevant technical researchers have devoted great enthusia...

Claims

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Application Information

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IPC IPC(8): D04H1/728D04H1/4282D01D5/00
Inventor 李常昊尤世元
Owner 尤世元