Device and method for preparing metal/polymer composite conductive fiber

Abstract

The invention discloses a device and a method for preparing a metal / polymer composite conductive fiber. The device comprises a liquid storage tank, a high-frequency signal generator, a power source and a collecting plate, wherein the liquid storage tank is used for holding electrostatic spinning precursor liquid containing metal nanowires; one end of the liquid storage tank is connected with an injection part; a propulsion part is arranged in the liquid storage tank for propelling the electrostatic spinning precursor liquid to the injection part and ejecting the electrostatic spinning precursor liquid through the injection part; an output end of the high-frequency signal generator is connected with a first metal plat through a wire; the first metal plate is placed inside the liquid storagetank; an input end of the high-frequency signal generator is connected with a second metal plate through a wire; the second metal plate is fixed at a connecting position between the outside of the liquid storage tank and the injection part; the first metal plate is parallel to the second metal plate; one end of the power source is connected with the injection part by a wire, and the other end isgrounded; the collecting plate is oppositely placed in front of the injection part and grounded. By adopting the device provided by the invention, the metal content in the conductive fiber can be increased and the conductivity of the fiber can be improved.

Description

technical field [0001] The invention belongs to the technical field of electrospinning, and in particular relates to a device and a method for preparing linear composite conductive fibers with high metal content by using the principle of electrospinning. Background technique [0002] With the development of micro-device manufacturing, the manufacturing technology of micro-circuits is also constantly innovating. In order to meet the miniaturization and integration of micro-circuits, it is required that the wires realize the narrow spacing and thinning of circuit wiring, and at the same time, they must have good conductivity and clear lines. Edge shape, sufficient adhesive strength and high dimensional stability to ensure the consistency and accuracy of fine circuit pattern positioning in the production process. In the early days of the development of electronic technology, circuits consisted of power supplies, wires, switches and components. Components are connected by wires...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a device and method for preparing metal / polymer composite conductive fibers, which combines electrospinning and dielectrophoresis technology to overcome the problem of metal nanowires in the existing direct dispersion method electrospinning metal nanowires. The problem of easy agglomeration of wires and low content of metal nanowires in spun fibers

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