A kind of preparation method of casing material of electronic equipment

Abstract

The invention relates to a method for preparing an electronic equipment enclosure material and belongs to the technical field of electromagnetic shielding. Aiming at the problems in the traditional enclosure material that the carbon material is low in electric capacity, few in surface active groups and low in dispersity, secondary emission noise waves and high-frequency electromagnet waves cannot be effectively inhibited and the shielding effectiveness is low, the invention provides a method for preparing the electronic equipment enclosure material. The preparation method comprises the following steps: performing in-situ chemical polymerization on aniline so as to synthesize polyaniline coated carbon nano tubes; performing carbonizing treatment so as to prepare nitrogen-doped carbon nano tubes, and obtaining nitrogen-doped carbon nano tubes which take the carbon nano tubes as cores and nitrogen-doped carbon layers as shells and have high electric capacity and core-shell structures; compounding with an aluminum matrix so as to obtain an aluminum-adsorbed nitrogen-doped carbon nano tube composite material; finally, mixing with a polyamide resin nylon 6 and the like, performing melting granulation, and performing injection molding, so as to obtain the electronic equipment enclosure material.

Description

technical field

[0001] The invention relates to a preparation method of an electronic equipment casing material, belonging to the technical field of electromagnetic shielding. Background technique

[0002] With the advent of the information age, various electronic and electrical equipment are widely used. In order to establish a high-speed communication network, the operating frequency of digital systems is increasing day by day. The resulting electromagnetic interference will not only cause harm to the human body and the natural environment, but also have adverse effects on electronic equipment, especially high-power high-frequency equipment, which will affect nearby electronic equipment, precision instruments, communication signals, parameter tests, etc. With the rapid development of electronic technology, people are passively or actively exposed to more and more electromagnetic radiation in daily life. Scientific research shows that electromagnetic radiation will have an...