Insulating heat-conducting cable material and preparation method thereof

A technology of insulation and heat conduction, cable material, applied in the direction of organic insulators, heat exchange materials, chemical instruments and methods, etc., can solve the problems affecting the insulation performance of sheath materials, hidden safety hazards, etc., and achieve good matt effect and temperature resistance grade. High, improve the effect of flame retardant performance

Inactive Publication Date: 2018-11-02
HEFEI DAZHUO ELECTRIC POWER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The heat conduction agent of the invention and the auxiliary heat conduction agent can obviously improve the thermal conductivity of the sheath layer material, but the heat conduction agent in the invention adopts graphene or graphene oxide, both of which are conductive materials, which may affect the insulation performance of the sheath material. Security risks

Method used

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  • Insulating heat-conducting cable material and preparation method thereof

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Effect test

Embodiment 1

[0032] This embodiment relates to an insulating and heat-conducting cable material, including the following raw materials in parts by weight: 20 parts of high-density polyethylene, 10 parts of graphene-modified polypropylene, 15 parts of ethylene-vinyl acetate copolymer, 7 parts of gum arabic, montmorillonite 3 parts of soil, 4 parts of light calcium carbonate, 3 parts of glass fiber, 2 parts of polyethylene wax, 1 part of calcium stearate, 6 parts of flame retardant, 2 parts of plasticizer, 2 parts of reinforcing agent;

[0033] The preparation method of described graphene modified polypropylene is as follows:

[0034] a: Premixing polypropylene powder, stabilizer, acrylic resin and graphene nano-carbon material in a high-speed mixer to obtain a mixed powder, wherein the weight ratio of polypropylene powder, stabilizer, acrylic resin and graphene nano-carbon material is 100:8:2:1;

[0035] b: Melt and mix the mixed powder obtained in step a with a torque rheometer at 160° C....

Embodiment 2

[0047] This embodiment relates to an insulating and heat-conducting cable material, including the following raw materials in parts by weight: 30 parts of high-density polyethylene, 20 parts of graphene-modified polypropylene, 25 parts of ethylene-vinyl acetate copolymer, 11 parts of gum arabic, montmorillonite 6 parts of soil, 8 parts of light calcium carbonate, 7 parts of glass fiber, 4 parts of polyethylene wax, 3 parts of calcium stearate, 9 parts of flame retardant, 5 parts of plasticizer, 4 parts of reinforcing agent;

[0048] The preparation method of described graphene modified polypropylene is as follows:

[0049] a: Premixing polypropylene powder, stabilizer, acrylic resin and graphene nano-carbon material in a high-speed mixer to obtain a mixed powder, wherein the weight ratio of polypropylene powder, stabilizer, acrylic resin and graphene nano-carbon material is 100:8:2:1;

[0050] b: Melt and mix the mixed powder obtained in step a for 10 min at 180°C and 80 rpm w...

Embodiment 3

[0062] This embodiment relates to an insulating and heat-conducting cable material, including the following raw materials in parts by weight: 23 parts of high-density polyethylene, 11 parts of graphene-modified polypropylene, 18 parts of ethylene-vinyl acetate copolymer, 9 parts of gum arabic, montmorillonite 4 parts of soil, 5 parts of light calcium carbonate, 4 parts of glass fiber, 2.5 parts of polyethylene wax, 1.5 parts of calcium stearate, 7 parts of flame retardant, 3 parts of plasticizer, and 2.6 parts of reinforcing agent.

[0063] Wherein, the flame retardant is a mixture of magnesium hydroxide, aluminum hydroxide, antimony trioxide and silicon carbide, and the mass ratio of magnesium hydroxide, aluminum hydroxide, antimony trioxide and silicon carbide is 3:3 :2:1.

[0064] Wherein, the preparation method of described graphene modified polypropylene is as follows:

[0065] a: Premixing polypropylene powder, stabilizer, acrylic resin and graphene nano-carbon material...

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Abstract

The invention discloses an insulating heat-conducting cable material. The insulating heat-conducting cable material is prepared from, by weight, 20-30 parts of high-density polyethylene, 10-20 parts of graphene modified polypropylene, 15-25 parts of ethylene-vinyl acetate copolymer, 7-11 parts of arabic gum, 3-6 parts of montmorillonoid, 4-8 parts of light calcium carbonate, 3-7 parts of glass fibers, 2-4 parts of polyethylene wax, 1-3 parts of calcium stearate, 6-9 parts of a flame retardant, 2-5 parts of a plasticizer and 2-4 parts of a reinforcing agent. The insulating heat-conducting cablematerial has advantages of high heat conductivity, great insulating performance, high tensile strength, high toughness and convenience in processing.

Description

technical field [0001] The invention belongs to the technical field of electrical materials, and in particular relates to an insulating and heat-conducting cable material and a preparation method thereof. Background technique [0002] Wire and cable have the function of power transmission and information transmission, and play an important role in people's life and production. Wires and cables include bare wires, wires and cables for electrical equipment, power cables, communication cables and optical cables, and winding wires. Cable materials are commonly known as plastics for wire and cable insulation and sheathing. The polymer materials used mainly include polyvinyl chloride, polyethylene, Polypropylene, fluoroplastics, chlorinated polyether and polyamide, etc. These polymer materials have the characteristics of light weight, chemical corrosion resistance, easy processing, excellent electrical insulation performance, excellent mechanical and fatigue resistance, etc., but ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08L23/12C08L23/08C08L5/00C08K13/04C08K3/26C08K7/14C08K5/098C08K3/04C08K3/22C08K3/34C09K5/14H01B3/44
CPCC08L23/06C08K2003/2224C08K2003/2227C08K2003/265C08L2201/08C08L2203/202C08L2205/035C08L2207/062C09K5/14H01B3/441C08L23/12C08L23/0853C08L5/00C08K13/04C08K3/346C08K3/26C08K7/14C08K5/098C08K3/042C08K3/22C08K3/2279C08K3/34
Inventor 杨自芬
Owner HEFEI DAZHUO ELECTRIC POWER CO LTD
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