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Heat conductive cable material

A cable and material technology, applied in the field of thermally conductive cable materials, can solve the problems of low thermal conductivity of EPDM rubber, and achieve the effects of increasing processing fluidity, increasing mechanical properties, and promoting uniform dispersion.

Inactive Publication Date: 2016-11-09
ANHUI HAIRONG CABLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] EPDM rubber has good heat resistance, corrosion resistance, insulation and mechanical properties, and can be widely used in automotive parts, waterproof materials for construction, wire and cable sheaths, heat-resistant hoses, tapes, automotive seals, electronics Electrical and other fields, but the thermal conductivity of EPDM rubber is very low, which is a poor conductor of heat, which limits the application of EPDM rubber

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A heat-conducting cable material, the raw materials of which include by weight: 110 parts of modified EPDM rubber, 20 parts of talcum powder, 35 parts of carbon black, 2 parts of epoxy soybean oil, 25 parts of magnesium hydroxide, microencapsulated red 15 parts of phosphorus, 7 parts of expandable graphite, 1.5 parts of sulfur, 0.2 parts of zinc oxide, 0.3 parts of stearic acid, 0.3 parts of accelerator M, 5 parts of Ca / Zn composite stabilizer, 3 parts of montan wax;

[0019] Wherein, in the preparation process of the modified EPDM rubber, the phenolic resin is added into ethanol to dissolve, the silane coupling agent is added to modify the carbon nanotubes, stirred, the ethanol is removed by rotary evaporation, and the material A is obtained by drying; the material A and The EPDM rubber is mixed evenly, the temperature is raised, and the heat preservation is stirred to obtain the modified EPDM rubber.

Embodiment 2

[0021] A kind of heat-conducting cable material, its raw material comprises by weight: 100 parts of modified EPDM rubber, 10 parts of talc powder of 400 mesh, 20 parts of carbon black of 400 mesh, 3 parts of epoxy soybean oil, 20 parts of magnesium hydroxide, 20 parts of microencapsulated red phosphorus, 5 parts of expandable graphite, 2 parts of sulfur, 0.1 part of zinc oxide, 0.4 part of stearic acid, 0.2 parts of accelerator M, 6 parts of Ca / Zn composite stabilizer, 2 parts of montan wax ;

[0022] Among them, in the preparation process of the modified EPDM rubber, the phenolic resin is added to dissolve in ethanol, and the carbon nanotubes are modified by adding γ-methacryloxypropyl trimethoxysilane, at a speed of 500r / min Stir for 4 hours, remove ethanol by rotary evaporation, heat up to 90°C, and dry under reduced pressure to obtain material A, wherein the particle size of material A is 400 mesh, and the weight-to-volume (g / ml) ratio of phenolic resin and ethanol is 1:50...

Embodiment 3

[0024] A kind of heat conduction cable material, its raw material comprises by weight: 120 parts of modified EPDM rubber, 30 parts of 200 mesh talcum powder, 50 parts of 200 mesh carbon black, 1 part of epoxy soybean oil, 30 parts of magnesium hydroxide, 10 parts of microencapsulated red phosphorus, 10 parts of expandable graphite, 1 part of sulfur, 0.3 parts of zinc oxide, 0.2 parts of stearic acid, 0.4 parts of accelerator M, 4 parts of Ca / Zn composite stabilizer, 4 parts of montan wax ;

[0025] Among them, in the preparation process of the modified EPDM rubber, the phenolic resin was dissolved in ethanol, and the carbon nanotubes were modified by adding γ-methacryloxypropyl trimethoxysilane, and the speed was 300r / min. Stir for 6 hours, remove ethanol by rotary evaporation, heat up to 80°C, and dry under reduced pressure to obtain material A, wherein the particle size of material A is 500 mesh, and the weight-to-volume (g / ml) ratio of phenolic resin and ethanol is 1:30. T...

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Abstract

The invention discloses a heat conductive cable material which comprises, by weight, 100-120 parts of modified ethylene-propylene-diene monomer rubber, 10-30 parts of talcum powder, 20-50 parts of carbon black, 1-3 parts of epoxidized soybean oil, 20-30 parts of magnesium hydrate, 10-20 parts of micro-capsulated red phosphorus, 5-10 parts of expansible graphite, 1-2 parts of sulphur, 0.1-0.3 part of zinc oxide, 0.2-0.4 part of stearic acid, 0.2-0.4 part of accelerant M, 4-6 part of Ca / Zn composite stabilizer and 2-4 parts of montan wax. In the preparation process of the modified ethylene-propylene-diene monomer rubber, phenolic resin is added into ethyl alcohol to be dissolved, silane coupling agent modified carbon nanotubes are added, stirring is carried out, rotary evaporation is carried out to remove ethyl alcohol, and drying is carried out to obtain a material A; the material A and ethylene-propylene-diene monomer rubber are mixed to be uniform, the temperature is increased, heat insulation and stirring are carried out, and the modified ethylene-propylene-diene monomer rubber is obtained. The heat conductive cable material is good in heat conductivity and high in mechanical performance.

Description

technical field [0001] The invention relates to the technical field of cable materials, in particular to a heat-conducting cable material. Background technique [0002] EPDM rubber has good heat resistance, corrosion resistance, insulation and mechanical properties, and can be widely used in automotive parts, waterproof materials for construction, wire and cable sheaths, heat-resistant hoses, tapes, automotive seals, electronics Electrical and other fields, but the thermal conductivity of EPDM rubber is very low, which is a poor conductor of heat, which limits the application of EPDM rubber. Contents of the invention [0003] Based on the technical problems existing in the background technology, the present invention proposes a thermally conductive cable material, which has good heat resistance and thermal conductivity, high mechanical properties and good corrosion resistance. [0004] A kind of heat conduction cable material that the present invention proposes, its raw m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/16C08L61/06C08L91/00C08L91/06C08K13/06C08K9/06C08K9/10C08K7/00C08K3/04C08K3/34C08K3/22C08K3/02C08K5/09H01B3/28
Inventor 魏金春彭群朱立春王冠云
Owner ANHUI HAIRONG CABLE
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