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High-heat-conduction flame-retardant heat rectification material, and preparation method and application thereof

A flame-retardant, thermal rectification technology, applied in heat exchange materials, chemical instruments and methods, etc., can solve the problems of low thermal conductivity, poor mechanical properties, flammability of organic materials, etc., and achieve high thermal conductivity and heat absorption capacity. Strong and good flame retardant effect

Active Publication Date: 2017-03-08
深圳市净相科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, organic materials are flammable, have low thermal conductivity and poor mechanical properties, and their flame retardancy, thermal conductivity and mechanical properties must be improved in applications.

Method used

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  • High-heat-conduction flame-retardant heat rectification material, and preparation method and application thereof
  • High-heat-conduction flame-retardant heat rectification material, and preparation method and application thereof
  • High-heat-conduction flame-retardant heat rectification material, and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] (1) Take 34.2g modified paraffin, 30.66g modified fatty acid, 0.3g lauryl polyoxyethylene ether, 0.3g palmityl alcohol polyoxyethylene ether, 0.3g stearyl polyoxyethylene ether, 0.4g magnesium oxide, 0.3g magnesium hydroxide, 0.4g silicon carbide, 7.2g expandable graphite, 0.69g alumina, 2.6g modified expanded graphite, 1.3g worm powder, 2.5g carbon sponge, 0.34g polyurethane curing agent, 0.31g acrylic resin, 0.3g silane coupling agent KH570, 4.9g high-density polyethylene, 3.8g polypropylene, 9.2g SEBS;

[0041] (2) heating the modified paraffin and the modified fatty acid to 70° C. to melt, adding lauryl alcohol polyoxyethylene ether, palmityl alcohol polyoxyethylene ether, and stearyl polyoxyethylene ether to thicken it; then adding magnesium oxide, Stir for 15 minutes, add magnesium hydroxide, stir for 3 minutes, add silicon carbide and expandable graphite, stir for 13 minutes, finally add alumina, stir for 9 minutes, and obtain a mixed system with good dispersibil...

Embodiment 2

[0047] Reference Example 1 to prepare high thermal conductivity flame retardant heat rectification material, the difference is that the composition ratio of step (1) rectification material is: 39.9g modified paraffin, 32.4g modified fatty acid, 0.1g lauryl polyoxyethylene ether, 0.1 g palmityl alcohol polyoxyethylene ether, 0.1g stearyl polyoxyethylene ether, 0.2g magnesium oxide, 0.1g magnesium hydroxide, 0.2g silicon carbide, 0.9g expandable graphite, 0.3g alumina, 7.5g modified expanded Graphite, 7.8g worm powder, 3.1g carbon sponge, 0.2g polyurethane curing agent, 0.2g acrylic resin, 0.1g silane coupling agent KH570, 5.1g high-density polyethylene, 0.9g polypropylene, 0.8g SEBS. The performance test results of the high thermal conductivity flame retardant heat rectification material are shown in Table 1.

Embodiment 3

[0049] Reference Example 1 was used to prepare a high thermal conductivity and flame-retardant heat rectification material. The difference is that the composition ratio of the rectification material in step (1) is: 41.9g modified paraffin, 27.7g modified fatty acid, 0.3g lauryl polyoxyethylene ether, 0.3 g palmityl alcohol polyoxyethylene ether, 0.3g stearyl polyoxyethylene ether, 0.2g magnesium oxide, 0.2g magnesium hydroxide, 0.2g silicon carbide, 4.9g expandable graphite, 0.3g alumina, 2.5g modified expanded Graphite, 2.8g worm powder, 2.1g carbon sponge, 0.2g polyurethane curing agent, 0.2g acrylic resin, 0.1g silane coupling agent KH570, 5.1g high-density polyethylene, 5.9g polypropylene, 4.8g SEBS. The performance test results of the high thermal conductivity flame retardant heat rectification material are shown in Table 1.

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Abstract

The invention relates to the field of a heat radiation material, in particular to a high-heat-conduction flame-retardant heat rectification material, and a preparation method and application thereof. The high-heat-conduction flame-retardant heat rectification material is prepared from the following ingredients through heating melting, stirring, mixing, crosslinking curing and reaction: modified paraffin, modified fatty acid, an oily thickener, a stabilizer, magnesium hydrate, an anti-wear agent, a fire retardant agent, modified exfoliated graphite, worm powder, carbon sponge, a cross-linking curing agent, acrylic resin, a silane coupling agent, high density polyethylene, polypropylene and SEBS. The high-heat-conduction flame-retardant heat rectification material has the advantages that the heat conduction coefficient is great; the heat absorption capability is high; the flame-retardant effect is good; the heat flow density is high; good application prospects are realized in flammable and combustible occasions.

Description

technical field [0001] The invention relates to the field of heat dissipation materials, in particular to a high thermal conductivity flame retardant heat rectification material and its preparation method and application. Background technique [0002] The development of modern industry and the advancement of equipment technology continue to increase the demand for energy and information. A series of high-energy-density power equipment and information processing equipment are increasingly used in industrial production and public life. For example, electric conversion devices, high-voltage electric frequency converters, automotive gasoline-electric hybrid systems, power battery packs, charging piles, IGBT chips, cloud computing servers, communication base stations, etc. This series of high-energy or high-power equipment has improved the level of industrial equipment technology or improved people's quality of life; but this series of equipment has problems such as high-load ope...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L91/06C08L33/00C08L23/06C08L23/12C08L53/02C08K13/06C08K9/06C08K7/24C08K3/22C08K3/34C08K5/09C09K5/06
CPCC08L91/06C08L2201/02C08L2205/025C08L2205/035C08L2207/062C09K5/06C08L33/00C08L23/06C08L23/12C08L53/025C08K13/06C08K9/06C08K7/24C08K2003/222C08K2003/2224C08K3/34C08K5/09
Inventor 刘鉴陈炎丰程镜江
Owner 深圳市净相科技有限公司
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