Insulating heat-conducting cable material and preparation method thereof

A technology of insulation and heat conduction, cable material, applied in the field of cable material, can solve the problems of the overall performance level decline and poor compatibility of the cable material, and achieve the effect of excellent overall performance, good aging resistance and high thermal conductivity

Inactive Publication Date: 2018-11-30
HEFEI ANLI ELECTRIC POWER ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the compatibility between the thermally conductive filler and other raw materials is poor, and the addition of a compatibilizer helps the dispersion of the thermally conductive filler, but leads to a decrease in the overall performance level of the cable material.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] This embodiment relates to an insulating and heat-conducting cable material, including the following raw materials in parts by weight: 20 parts of polyvinyl chloride resin, 15 parts of ethylene-vinyl acetate copolymer, and 18 parts of styrene-ethylene-butylene-styrene block copolymer , 3 parts of graphene oxide, 6 parts of butyl rubber, 3 parts of trioctyl trimellitate, 3 parts of modified talcum powder, 2 parts of flame retardant, 1 part of lubricant, and 2 parts of antioxidant.

[0028] Wherein, the preparation method of described modified talcum powder is as follows:

[0029] Soak the talc powder in the mixed solution of sodium carbonate and potassium permanganate for 3 hours, take it out and dry it, add silane coupling agent KH550 equivalent to 3% of the weight of the talc powder, and sodium lauryl sulfate equivalent to 2% of the weight of the talc powder Stir with alumina equivalent to 2% of the weight of talcum powder at 1000r / min for 20 minutes, then grind, and p...

Embodiment 2

[0041] This embodiment relates to an insulating and heat-conducting cable material, including the following raw materials in parts by weight: 30 parts of polyvinyl chloride resin, 25 parts of ethylene-vinyl acetate copolymer, and 27 parts of styrene-ethylene-butylene-styrene block copolymer , 6 parts of graphene oxide, 9 parts of butyl rubber, 4 parts of trioctyl trimellitate, 6 parts of modified talcum powder, 4 parts of flame retardant, 2 parts of lubricant, and 3 parts of antioxidant.

[0042] Wherein, the preparation method of described modified talcum powder is as follows:

[0043] Soak the talc powder in the mixed solution of sodium carbonate and potassium permanganate for 3 hours, take it out and dry it, add silane coupling agent KH550 equivalent to 3% of the weight of the talc powder, and sodium lauryl sulfate equivalent to 2% of the weight of the talc powder Stir with alumina equivalent to 2% of the weight of talcum powder at 1000r / min for 20 minutes, then grind, and ...

Embodiment 3

[0055] This embodiment relates to an insulating and heat-conducting cable material, including the following raw materials in parts by weight: 23 parts of polyvinyl chloride resin, 17 parts of ethylene-vinyl acetate copolymer, and 20 parts of styrene-ethylene-butylene-styrene block copolymer , 4 parts of graphene oxide, 7 parts of butyl rubber, 3.2 parts of trioctyl trimellitate, 3.3 parts of modified talcum powder, 2.8 parts of flame retardant, 1.2 parts of lubricant, and 2.1 parts of antioxidant.

[0056] Wherein, the preparation method of described modified talcum powder is as follows:

[0057] Soak the talc powder in the mixed solution of sodium carbonate and potassium permanganate for 3 hours, take it out and dry it, add silane coupling agent KH550 equivalent to 3% of the weight of the talc powder, and sodium lauryl sulfate equivalent to 2% of the weight of the talc powder Stir with alumina equivalent to 2% of the weight of talcum powder at 1000r / min for 20 minutes, then g...

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PUM

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Abstract

The invention discloses an insulating heat-conducting cable material. The cable material comprises the following raw materials in parts by weight: 20-30 parts of polyvinyl chloride resin, 15-25 partsof an ethylene-vinyl acetate copolymer, 18-27 parts of a styrene-ethylene-butylene-styrene block copolymer, 3-6 parts of graphene oxide, 6-9 parts of butyl rubber, 3-4 parts of trioctyl trimellitate,3-6 parts of modified talc powder, 2-4 parts of a flame retardant, 1-2 parts of a lubricant, and 2-3 parts of an antioxidant. According to the cable material disclosed by the invention, the raw materials and a ratio of the raw materials are controlled, so that the prepared cable material has the characteristics of a high heat conductivity coefficient, high compressive strength and breaking strength, good aging resistance, strong toughness and excellent comprehensive performance.

Description

technical field [0001] The invention belongs to the technical field of cable 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 these...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/06C08L23/08C08L23/22C08L53/00C08K3/04C08K3/22C08K3/34C08K5/12C08K13/06
CPCC08L27/06C08K3/2279C08K2003/2224C08K2003/2227C08L2203/202C08L2205/035C08L23/0853C08L53/00C08L23/22C08K13/06C08K3/042C08K3/34C08K5/12C08K3/22
Inventor 殷世尧
Owner HEFEI ANLI ELECTRIC POWER ENG CO LTD
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