Annular electrostatic spinning device and electrostatic spinning method

Abstract

The invention provides an annular electrostatic spinning device and an electrostatic spinning method. The annular electrostatic spinning device is characterized by comprising an annular spinneret anda solution supply device; the solution supply device is connected with the annular spinneret and is used for supplying spinning solution for the annular spinneret, the annular spinneret can be filledwith the spinning solution supplied by the solution supply device, a gap is reserved in the annular spinneret, the annular spinneret is connected with a high-voltage positive electrode, and a plurality of pieces of electrostatic spinning jet flow can be generated in the gap when voltages are higher than critical values. The annular electrostatic spinning device and the electrostatic spinning method have the advantages that the annular electrostatic spinning device is simple and is easy to clean and good in stability, and spray nozzles are difficult to block; the spinning efficiency can be obviously improved by the aid of the annular electrostatic spinning device and the electrostatic spinning method, and the yield of electrostatic-spun nano-fibers can be obviously increased by the aid of the annular electrostatic spinning device and the electrostatic spinning method.

Description

technical field [0001] The invention belongs to the technical field of electrospinning and textile machinery, and particularly designs a ring-shaped electrospinning device and method. Background technique [0002] Electrospinning is one of the most effective ways to prepare nanofiber materials. Compared with the preparation techniques of nanomaterials such as stretching method, template synthesis method, and self-assembly, electrospinning has the advantages of simple operation, short preparation process, and wide selection of materials. advantage. Compared with traditional textile fiber materials, due to their extremely small scale, nanofibrous materials have many characteristics that are difficult to exhibit at large scales, such as obvious surface and interface effects, unique small size effects, large specific surface area and extremely large size. high porosity etc. Therefore, nanofiber materials have a wider range of applications, such as air filtration, oil-water sep...

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide an electrospinning device and an electrospinning method, so as to solve the problems of complicated needle-free electrospinning nozzle device, unstable production process, insufficient solution utilization, volatile solvent, etc.

Images