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Novel thermal conductive material and preparation method thereof

A technology of new materials and heat-conducting powders, which is applied in the field of new heat-conducting materials and their preparation, can solve the problems of poor heat-conducting properties of materials, narrow application range, complex preparation methods, etc., achieve good heat-conducting properties and impact resistance, long storage time, The effect of simple production process

Inactive Publication Date: 2018-05-18
ZHONGSHAN RNICE COMML ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a new heat-conducting material and its preparation method, so as to solve the problems that the existing heat-conducting material preparation method proposed in the above-mentioned background technology is complicated, inconvenient to operate, poor in heat conduction performance of the material, and narrow in application range

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  • Novel thermal conductive material and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0024] The preparation method of the new heat-conducting material comprises the following steps:

[0025] S1: Kneading: adding aluminum powder, carbon fiber, graphene, carbon nanotubes, thermal conductive powder and conductive silica gel into the kneader and kneading as the base material;

[0026] S2: Dispersion: Pour the base material into the disperser, add additives, silicon micropowder, flame retardant and tackifier, disperse and stir for 20 minutes, and carry out under high pressure during stirring;

[0027] S3: Packing: inspect and pack the dispersed raw materials.

[0028] In this embodiment, aluminum powder: 10 parts; carbon fiber: 50 parts, the diameter of the carbon fiber is 8 microns; graphene: 30 parts; carbon nanotube: 1 part, the diameter of the carbon nanotube is 100 nanometers; Thermal conductive powder: 15 parts, the thermal conductive powder is aluminum oxide; conductive silica gel: 50 parts; additive: 1 part, the additive is a mixture of dimethyl silicone o...

Embodiment 2

[0030] The preparation method of the new heat-conducting material comprises the following steps:

[0031] S1: Kneading: adding aluminum powder, carbon fiber, graphene, carbon nanotubes, thermal conductive powder and conductive silica gel into the kneader and kneading as the base material;

[0032] S2: Dispersion: Pour the base material into the disperser, add additives, silicon micropowder, flame retardant and tackifier, disperse and stir for 30 minutes, and carry out under high pressure during stirring;

[0033] S3: Packing: inspect and pack the dispersed raw materials.

[0034] In this embodiment, aluminum powder: 15 parts; carbon fiber: 40 parts, the diameter of the carbon fiber is 12 microns; graphene: 20 parts; carbon nanotube: 2 parts, the diameter of the carbon nanotube is 80 nanometers; Thermal conductive powder: 20 parts, the thermal conductive powder is aluminum oxide; conductive silica gel: 40 parts; additive: 1.5 parts, the additive is a mixture of dimethyl silico...

Embodiment 3

[0036] The preparation method of the new heat-conducting material comprises the following steps:

[0037] S1: Kneading: adding aluminum powder, carbon fiber, graphene, carbon nanotubes, thermal conductive powder and conductive silica gel into the kneader and kneading as the base material;

[0038] S2: Dispersion: Pour the base material into the disperser, add additives, silicon micropowder, flame retardant and tackifier, disperse and stir for 25 minutes, and carry out under high pressure during stirring;

[0039] S3: Packing: inspect and pack the dispersed raw materials.

[0040] In this embodiment, aluminum powder: 12.5 parts; carbon fiber: 45 parts, the diameter of the carbon fiber is 10 microns; graphene: 25 parts; carbon nanotube: 1.5 parts, the diameter of the carbon nanotube is 90 nanometers; Thermal conductive powder: 17.5 parts, the thermal conductive powder is aluminum oxide; conductive silica gel: 45 parts; additive: 1.25 parts, the additive is a mixture of dimethyl...

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Abstract

The invention discloses a technical field of new materials, in particular to a novel thermal conductive material and a preparation method thereof. The novel thermal conductive material comprises aluminum powder, carbon fiber, graphene, carbon nanotubes, thermal conductive powder, conductive silica gel, additives, silicon micropowder, flame retardants and tackifiers. The preparation method of the novel thermal conductive material comprises the following steps of S1, kneading, wherein the aluminum powder, the carbon fiber, the graphene, the carbon nanotubes, the thermal conductive powder and theconductive silica gel are added into a kneading machine for kneading to serve as a base material; S2, dispersion, wherein the base material is poured into a dispersing machine, the additives, the silicon micropowder, the flame retardants and the tackifiers are added, and dispersing and stirring are carried out for 20-30 minutes; S3, packaging. According to the novel thermal conductive material and the preparation method thereof, the thermal conductivity and impact resistance are excellent, the novel thermal conductive material has stable compositions, long storage time, low density, light weight and no harmful substances, the production process is simple, and the operation is convenient.

Description

technical field [0001] The invention relates to the technical field of new materials, in particular to a new heat-conducting material and a preparation method thereof. Background technique [0002] Thermally conductive material is a new type of industrial material. These materials have been designed in recent years to meet the heat transfer requirements of equipment, and they are excellent and reliable. They are suitable for various environments and requirements, and have proper countermeasures for possible heat conduction problems. They provide powerful help for the high integration of equipment, and ultra-small and ultra-thin. This heat conduction product has been more and more applied to many products. Among them, the reliability of the product is improved. Research on new materials has always been the subject of scientific research projects in my country. If a new material formula with simple ingredients, low raw material prices and good effects can be developed, it wi...

Claims

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Application Information

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IPC IPC(8): C08L83/04C08L93/04C08K13/06C08K3/08C08K7/06C08K7/24C08K3/04C08K3/22C08K3/36
CPCC08L83/04C08K2003/0812C08K2003/2227C08K2201/003C08K2201/011C08L2205/025C08L2205/03C08L93/04C08K13/06C08K3/08C08K7/06C08K7/24C08K3/04C08K3/22C08K3/36
Inventor 卢燕平
Owner ZHONGSHAN RNICE COMML ELECTRIC CO LTD