Method for producing patterned nano-fiber

Abstract

The invention relates to a technique adopting electrostatic spinning technology to prepare patterned nanofibre, comprising the steps: zinc acetate is dissolved in de-ionized water, and the zinc acetate solution and alcohol are slowly dripped into PVP solution under the stirring condition and stirred for two hours at the room temperature, so that zinc acetate / PVP precursor electrostatic spinning solution which is uniform and transparent is prepared and contained in a spinning solution container provided with a spray head where hemispherical solution beads are formed; the metal spray head is connected with anode of a power supply, a fiber gathering unit is placed just under the spray head and is connected with cathode of the power supply; the power supply is turned on, the voltage is increased by 20kV for 60s and then reduced, and electrified jet current is sprayed out from the spray head to form fibrous layer sediment without fixed orientation in a fiber collecting device. The technique principle is reliable, the technical process is simple, spinning quality is easy to control, patterning is clear, the spinning patterns can be flexibly selected, and the using effect of spinning cloth can be improved.

Description

Technical field: [0001] The invention relates to a process method for preparing patterned nanofibers by adopting an electrospinning technology, which belongs to the processing technology of non-woven nanofiber cloth in the field of electrospinning technology. Background technique: [0002] One-dimensional nanofibers are one of the research hotspots in recent years, and their 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 dev...

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.