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Cable material for self-repairing electromagnetic shielding cable and preparation method of cable material

An electromagnetic shielding and self-repairing technology, applied to rubber insulators, organic insulators, etc., to achieve the effect of strengthening the shielding effect, facilitating large-scale application, and having a wide range of sources

Active Publication Date: 2020-08-07
江苏润集科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] At present, there are only a few related reports on the research of self-repairing cables.

Method used

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  • Cable material for self-repairing electromagnetic shielding cable and preparation method of cable material
  • Cable material for self-repairing electromagnetic shielding cable and preparation method of cable material
  • Cable material for self-repairing electromagnetic shielding cable and preparation method of cable material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A cable material for self-repairing electromagnetic shielding cables consists of the following components in parts by weight:

[0029]

[0030] A preparation method of a cable material for a self-repairing electromagnetic shielding cable, comprising the following steps:

[0031] (1) Weigh graphene powder, formaldehyde and sodium hydroxide in a weight ratio of 1:40:2, mix them uniformly, heat up to 75°C, keep warm for 75min, filter, and wash and filter the solid product with tap water until the filtrate becomes neutral. properties, and then the solid product obtained by filtration was dried at 105° C. for 30 h to obtain a pretreated graphene powder; the average particle size (D50) of the graphene powder was 5 μm;

[0032] (2) Weigh water, pretreated graphene powder, maleic anhydride, and ammonium cerium nitrate in a weight ratio of 100:2:40:1.2, add ceric ammonium nitrate to water and stir to dissolve, then pretreat graphene Add the powder and maleic anhydride, heat ...

Embodiment 2

[0039] A cable material for self-repairing electromagnetic shielding cables consists of the following components in parts by weight:

[0040]

[0041] A preparation method of a cable material for a self-repairing electromagnetic shielding cable, comprising the following steps:

[0042] (1) Weigh graphene powder, formaldehyde and sodium hydroxide in a weight ratio of 1:30:1, mix them uniformly, heat up to 70°C, keep warm for 60min, filter, and wash and filter the solid product with tap water until the filtrate becomes neutral. properties, and then the solid product obtained by filtration was dried at 100° C. for 24 hours to obtain a pretreated graphene powder; the average particle size (D50) of the graphene powder was 3 μm;

[0043] (2) Weigh water, pretreated graphene powder, maleic anhydride, and ammonium cerium nitrate in a weight ratio of 100:1:30:0.8, add ceric ammonium nitrate to the water and stir to dissolve, then place the pretreated graphene Add the powder and malei...

Embodiment 3

[0050] A cable material for self-repairing electromagnetic shielding cables consists of the following components in parts by weight:

[0051]

[0052] A preparation method of a cable material for a self-repairing electromagnetic shielding cable, comprising the following steps:

[0053] (1) Weigh graphene powder, formaldehyde and sodium hydroxide in a weight ratio of 1:50:3, mix them uniformly, heat up to 80°C, keep warm for 90min, filter, and wash and filter the solid product with tap water until the filtrate becomes neutral. properties, and then the solid product obtained by filtration was dried at 110° C. for 36 hours to obtain a pretreated graphene powder; the average particle size (D50) of the graphene powder was 7 μm;

[0054] (2) Weigh water, pretreated graphene powder, maleic anhydride and ammonium cerium nitrate respectively by weight ratio 100:3:50:1.6, after adding ammonium cerium nitrate to water and stirring and dissolving, pretreated graphene Add the powder an...

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Abstract

The invention relates to a preparation method of a special material for a cable, and in particular, relates to a preparation method of a cable material for a self-repairing electromagnetic shielding cable. The cable material for the self-repairing electromagnetic shielding cable is formed by mixing a rubber premix, hybrid nanoparticles, serpentine powder, microcrystalline wax, an anti-aging agentRD, sodium dodecyl benzene sulfonate, a vulcanizing agent DCP and an accelerant M. Self-repairing can be completed for multiple times and can be completed at the room temperature, and external stimulation is not needed; the hybrid nanoparticles not only play a role in reinforcing, but also play a role in absorbing electromagnetic waves; raw materials are wide in source, cheap and easy to obtain and convenient for large-scale application; the cable material can be used for producing non-grounding shielding cables, and plays a role in sheath and shielding; and the method can also be used for producing sheaths of traditional shielded cables to enhance the shielding effect.

Description

technical field [0001] The invention belongs to the technical field of functional materials, and relates to a method for manufacturing a special cable material, in particular to a method for preparing a cable material for a self-repairing electromagnetic shielding cable. Background technique [0002] The wire and cable industry is the second largest industry in China after the automobile industry. With the continuous expansion of China's electric power industry, data communication industry, urban rail transit industry, automobile industry and shipbuilding and other industries, the demand for wire and cable will also increase rapidly. growth, the wire and cable industry still has huge potential for development in the future. [0003] Shielded cables usually refer to signal transmission lines that still have high-quality transmission performance in a strong electromagnetic interference environment. Shielding has two meanings: 1) Shielding electromagnetic radiation caused by i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L83/07C08L91/06C08K13/06C08K9/02C08K9/04C08K3/04C08K3/22C08K5/098C08K5/18H01B3/28
CPCC08L83/04H01B3/28C08K2003/2262C08K2003/2272C08K2003/2296C08L2203/202C08L91/06C08K13/06C08K9/02C08K9/04C08K3/042C08K3/22C08K5/098C08K5/18
Inventor 郝文涛陈俊岐胡贤
Owner 江苏润集科技有限公司
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