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Novel heat-conducting conductive elastomer material and preparation method thereof

An elastomer material and elastomer technology, which is applied in the field of new thermally and electrically conductive elastomer materials and its preparation, can solve the problems that electromagnetic shielding cannot achieve better results, etc.

Active Publication Date: 2012-10-03
5ELEM HI TECH CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Only through materials such as expanded graphite to improve thermal conductivity, it cannot achieve better results in electromagnetic shielding

Method used

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  • Novel heat-conducting conductive elastomer material and preparation method thereof
  • Novel heat-conducting conductive elastomer material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～6

[0023] According to the amount of each component in Table 1 and Table 2, add the raw material styrene elastomer, mineral oil, polyolefin, nano-copper powder, antioxidant and expanded graphite into the high mixer, and mix at a low speed for 8 minutes; mix the raw materials Add it into the feeding hopper of the twin-screw extruder of the equipment; add the metal fiber into the side feeding hopper of the twin-screw extruder; start the twin-screw extruder to extrude and granulate to obtain the product. The process parameters of each embodiment are shown in Table 1 and Table 2, the product performance test results obtained in Examples 1-3 are shown in Table 1, and the product performance test results obtained in Examples 4-6 are shown in Table 2.

[0024] The consumption of each component in the embodiment 1~3 of table 1, product performance testing result and process parameter

[0025]

[0026] The consumption of each component in table 2 embodiment 4~6, product performance tes...

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Abstract

The invention discloses a heat-conducting conductive elastomer material and a preparation method thereof. The elastomer material is prepared from the following components in parts by weight: 10 to 50 parts of phenylethylene elastomer, 10 to 50 parts of mineral oil, 10 to 50 parts of polyolefin, 5 to 40 parts of metal fibers, 5 to 20 parts of nanometer copper powder, 1 to 5 part(s) of antioxygen and 5 to 40 parts of expanded graphite. Compared with the prior art, the heat-conducting conductive elastomer material provided by the invention has a better heat-conducting effect, and a thermal coefficient of the material can reach above 4W / m.K; and moreover, the material has the advantages of good electromagnetic shielding effect, heat conduction, electric conduction, softness and low hardness.

Description

technical field [0001] The invention belongs to the field of polymer materials, and relates to a novel heat-conducting and electrically-conducting elastomer material and a preparation method. Background technique [0002] With the development of electronic industrialization, electronic components are developing towards intensive and high performance. More and more manufacturers hope to make electronic products thinner and lighter. This has formed the trend of lightweight, thin and miniaturized products. This trend puts forward higher requirements for the heat dissipation of electronic products. [0003] Improving the thermal conductivity of the material can significantly improve the heat dissipation performance of the product. Existing thermally conductive polymers have been studied in the field of engineering plastics, such as thermally conductive PPS, etc., but relatively few studies have been conducted on the thermally conductive aspects of elastomers. There are paten...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L53/02C08L23/06C08L23/12C08K13/04C08K7/06C08K3/08C08K5/01B29C47/92B29C48/92
CPCB29C48/04B29C48/92B29C2948/92542B29C2948/9259B29C2948/92704B29C2948/92885B29C2948/92895B29C2948/92952
Inventor 沙月华肖世英黄骥
Owner 5ELEM HI TECH CORP
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