Electrostatic spinning device for efficiently preparing coaxial structure nanofibers

Abstract

The invention relates to a coaxial electrostatic spinning device, in particular to an electrostatic spinning device for efficiently preparing coaxial structure nanofibers, which belongs to the technical field of electrostatic spinning. The electrostatic spinning device for efficiently preparing coaxial structure nanofibers disclosed by the invention includes a combined spinneret, a liquid supply device, a liquid storage cavity, a receiving plate and a high-voltage static electricity generating device; the liquid supply device includes a core layer liquid supply device and a shell layer liquidsupply device; the liquid storage cavity includes a core layer liquid storage cavity and a shell layer liquid storage cavity, and the core layer liquid storage cavity is placed inside the shell layerliquid storage cavity; the core layer liquid supply device is connected to the core layer liquid storage cavity through a pipeline, and the shell layer liquid supply device is connected to the shell layer liquid storage cavity through a pipeline; the combined spinneret includes needle tubes, and the needle tubes are located above the core layer liquid storage cavity; the shell layer liquid storagecavity is provided with a slot; metal wires are arranged in the needle tubes; the receiving plate is arranged above the slot; the receiving plate is grounded; and the high-voltage static electricitygenerating device is connected to the metal wire.

Description

technical field [0001] The invention relates to a coaxial electrospinning device, in particular to an electrospinning device for efficiently preparing coaxial nanofibers, and belongs to the technical field of electrospinning. Background technique [0002] Nanofibrous materials prepared by electrospinning technology have shown very important applications in many fields such as biomedicine, filtration, catalysis, and energy due to their ultra-high specific surface area, high porosity, and excellent mechanical properties. value. Compared with traditional single-structure nanofibers, coaxial nanofibers have greater performance advantages in many fields such as controlled drug release, tissue engineering, nanosensors, catalysis, etc., and their commercial value and market potential are huge. and extensive attention from the industry. [0003] The traditional nested coaxial electrospinning technology is formed by nesting two coaxial capillaries. During coaxial electrospinning, ...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem of low efficiency of the existing coaxial electrospinning technology for preparing coaxial nanofibers, and provide an electrospinning device for efficiently preparing coaxial nanofibers. The head simultaneously forms a large number of coaxial structure jets, which can greatly improve the efficiency of electrospinning technology to prepare coaxial structure nanofibers

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