Electrostatic rotating jet spinning device

Abstract

The invention relate to an electrostatic rotating jet spinning device which comprises a conductive rotating compass group, a discharging tip, a high voltage source, a liquid channel, a high speed rotary motor, a temperature control system and a conductive receiving plate. The rotating compass group is formed by more than two cylindrical and coaxial rotating compasses with end faces fitting with each other, each rotating compass is provided with a plurality of outlet channels radiating radially along the rotating compass, liquid channels are mainly formed by inlet channels and multiple diversion channels, the inlet channels pass through the radiation centers of all the rotating compasses, and all the diversion channels connected by each connection point are respectively communicated with the different outlet channels in one rotating compass in the rotating compass group corresponding to the connection point. By the arrangement, problems of slow spinning speed and easy blockage of needles when spinning with the needles as well as easy deterioration of polymer solutions and high dispersion of spun fiber when spinning without the needles are solved, and high efficiency of electrospinning is achieved.

Description

technical field [0001] The invention belongs to the technical field of electrostatic spinning and relates to an electrostatic rotary jet spinning device. Background technique [0002] Nanofibers have the characteristics of small fiber diameter, small pore size, and high specific surface area, so they have great application value in the fields of air purification, smart clothing, supercapacitors, battery separators, and aerogels. At present, the common methods for preparing nanofibers include template method, phase separation method, sea-island method and electrospinning method, etc. Among them, the electrospinning method has become the most popular method due to its advantages of simple equipment, wide range of spinning raw materials and good controllability. The method of choice for large-scale preparation of nanofibrous materials. [0003] The electrospinning method is divided into needle electrospinning and needle-free electrospinning. Among them, needle electrospinning...

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Problems solved by technology

[0005] The purpose of the present invention is to solve the problems in the prior art that the spinning speed with needles is slow, the needles are easy to be blocked, and the polymer solution is prone to deterioration during the spinning process of needleless electrospinning, and the spun fibers have a high degree of dispersion , providing an electrostatic rotary jet spinning device. By adopting a needle-free structure, the problem of slow spinning speed and easy blockage of the needle head is solved, and the whole process of the liquid from the liquid outlet before spinning is in a closed flow. In the road, not exposed to the air, it overcomes the defects of easy polymer solution deterioration and high dispersion of spun fibers during the spinning process of needle-free electrospinning

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