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Flexible electromagnetic-wave shielding material and preparation method thereof

A shielding material and electromagnetic wave technology, which is applied in the field of electromagnetic wave shielding material preparation, can solve the problems of equipment without information security, endangering national information security, information leakage, etc., and achieve good electromagnetic wave shielding effect, soft mechanical properties, and easy promotion.

Inactive Publication Date: 2016-06-08
SUZHOU KEMAO ELECTRONICS MATERIALS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Furthermore, electromagnetic waves will lead to information leakage, making computers and other equipment without information security guarantees, directly endangering national information security.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] (1) Add 6 parts of silver methanesulfonate, 3 parts of titanium silicide, 5 parts of nano-silicon carbide and 4 parts of nano-alumina into the mixture of 15 parts of ethambutol and 10 parts of propylene glycol, and stir well;

[0018] (2) Then add 30 parts of polyperfluoroethylene propylene resin, 25 parts of epoxy resin and 6 parts of methylprednisolone acetate, and stir for 10 minutes at a speed of 300 r / min at a temperature of 100 ° C;

[0019] (3) Then add 8 parts of 2-aminophenol-4-sulfonanilide and 10 parts of polymethyl methacrylate to it, and react at a temperature of 80°C for 15 minutes;

[0020] (4) After that, 7 parts of 4-phenyl-2-pyrrolidone was added dropwise, reacted at a temperature of 120° C. for 20 minutes, and then cooled to obtain the flexible electromagnetic wave shielding material.

Embodiment 2

[0026] (1) Add 9 parts of silver methanesulfonate, 5 parts of titanium silicide, 8 parts of nano-silicon carbide and 9 parts of nano-alumina into the mixture of 20 parts of ethambutol and 15 parts of propylene glycol, and stir well;

[0027] (2) Then add 40 parts of polyperfluoroethylene propylene resin, 35 parts of epoxy resin and 10 parts of methylprednisolone acetate, and stir for 20 minutes at a speed of 500 r / min at a temperature of 120 ° C;

[0028] (3) Then add 12 parts of 2-aminophenol-4-sulfonanilide and 15 parts of polymethyl methacrylate to it, and react at a temperature of 100°C for 20 minutes;

[0029] (4) Afterwards, 13 parts of 4-phenyl-2-pyrrolidone was added dropwise, reacted at a temperature of 130° C. for 40 minutes, and then cooled to obtain the flexible electromagnetic wave shielding material.

Embodiment 3

[0035] (1) Add 7 parts of silver methanesulfonate, 4 parts of titanium silicide, 6 parts of nano-silicon carbide and 5 parts of nano-alumina into the mixture of 16 parts of ethambutol and 11 parts of propylene glycol, and stir well;

[0036] (2) Then add 32 parts of polyperfluoroethylene propylene resin, 28 parts of epoxy resin and 7 parts of methylprednisolone acetate, and stir for 10 minutes at a speed of 300 r / min at a temperature of 100 ° C;

[0037] (3) Then add 9 parts of 2-aminophenol-4-sulfonanilide and 11 parts of polymethylmethacrylate to it, and react at a temperature of 80°C for 15 minutes;

[0038] (4) Afterwards, 8 parts of 4-phenyl-2-pyrrolidone were added dropwise, reacted at a temperature of 130° C. for 40 minutes, and then cooled to obtain the flexible electromagnetic wave shielding material.

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PUM

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Abstract

The invention relates to a flexible electromagnetic-wave shielding material which comprises the following components in parts by weight: 30-40 parts of fluorinated ethylene propylene resin, 25-35 parts of epoxy resin, 6-9 parts of silver methanesulfonate, 3-5 parts of titanium silicide, 5-8 parts of nano silicon carbide, 4-9 parts of nano aluminum oxide, 8-12 parts of 2-aminophenol-4-sulfuryl aniline, 7-13 parts of 4-phenyl-2-pyrrolidone, 10-15 parts of polymethyl methacrylate, 15-20 parts of ethambutal, 10-15 parts of propanediol, 9-13 parts of poly(neopentylene glycol sebacate) and 6-10 parts of methylprednisolone acetate. The material has the advantages of obvious shielding effects on electromagnetic waves, high flexibility and high plasticity, and can satisfy the specific demands in the actual application process.

Description

technical field [0001] The invention belongs to the field of preparation of electromagnetic wave shielding materials, in particular to a flexible electromagnetic wave shielding material and a preparation method thereof. Background technique [0002] In recent years, with the rapid development of science and technology and the electronic industry, various digital and high-frequency electronic and electrical equipment such as computers, radio communication equipment, etc. Electromagnetic waves of different wavelengths and frequencies, the resulting electromagnetic interference, also known as electromagnetic pollution (Electro-Magnetic Interference, EMI) problem is becoming more and more serious, electromagnetic radiation has become another serious pollution after air pollution and water pollution . Electromagnetic radiation sources that are closely related to people's daily work and life, such as mobile phones, computers, microwave ovens, televisions, etc., are very close to ...

Claims

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Application Information

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IPC IPC(8): C08L27/18C08L63/00C08L33/12C08L67/02C08K13/02C08K3/34C08K3/22C08K5/053C08K5/42
CPCC08K2201/011C08K2201/014C08L27/18C08L2205/035C08L63/00C08L33/12C08L67/02C08K13/02C08K3/34C08K2003/2227C08K5/053C08K5/42
Inventor 邹黎清
Owner SUZHOU KEMAO ELECTRONICS MATERIALS TECH
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