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Formula of insulating and heat-conducting PVC (polyvinyl chloride) cable material

A technology of insulation and heat conduction, cable material, applied in the direction of insulated cables, insulated conductors, organic insulators, etc., can solve the problems of affecting the insulation performance of the sheath material, potential safety hazards, etc., to achieve increased probability of mutual contact, high filling amount, compatibility good effect

Inactive Publication Date: 2017-03-22
ANHUI YILI CABLE
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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 when used together, 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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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] An insulating and thermally conductive PVC cable material formula, which is composed of the following raw materials in parts by weight: 33 parts of PVC resin, 8 parts of low-density polyethylene, 5 parts of thermally conductive filler, 4 parts of carbon fiber, 2 parts of glass fiber, 4 parts of alumina, hydrogen 5 parts of magnesium oxide, 1 part of anti-aging agent, 8 parts of chlorinated paraffin, 3 parts of heat stabilizer, 3 parts of coupling agent, 1 part of plasticizer, 3 parts of nano titanium dioxide, 3 parts of nano tin antimony powder, mica 5 parts powder and 3 parts kaolin.

[0019] The preparation method of the thermally conductive filler includes the following steps: after mixing silicon nitride whiskers and magnesium oxide uniformly in a weight ratio of 1:1, adding 3% mass fraction of a silane coupling agent in an ethanol solution, Disperse ultrasonically at ℃ for 1-2h, filter to remove the filtrate and then dry. Wherein, the particle size of the magnesium o...

Embodiment 2

[0025] An insulating and thermally conductive PVC cable material formula, which is composed of the following raw materials in parts by weight: 45 parts of PVC resin, 15 parts of low-density polyethylene, 15 parts of thermally conductive filler, 6 parts of carbon fiber, 5 parts of glass fiber, 10 parts of alumina, hydrogen 10 parts of magnesium oxide, 3 parts of anti-aging agent, 13 parts of chlorinated paraffin, 6 parts of heat stabilizer, 5 parts of coupling agent, 4 parts of plasticizer, 6 parts of nano-titanium dioxide, 9 parts of nano-tin antimony powder, mica 7 parts of powder, 6 parts of kaolin.

[0026] The preparation method of the thermally conductive filler includes the following steps: after mixing silicon nitride whiskers and magnesium oxide uniformly in a weight ratio of 1:1, adding 3% mass fraction of a silane coupling agent in an ethanol solution, Disperse ultrasonically at ℃ for 1-2h, filter to remove the filtrate and then dry. Wherein, the particle size of the m...

Embodiment 3

[0032] A formula for insulating and thermally conductive PVC cable material, consisting of the following raw materials in parts by weight: 40 parts of PVC resin, 12 parts of low-density polyethylene, 10 parts of thermally conductive filler, 5 parts of carbon fiber, 3.5 parts of glass fiber, 7 parts of alumina, hydrogen 8 parts of magnesium oxide, 2 parts of anti-aging agent, 10 parts of chlorinated paraffin, 4 parts of heat stabilizer, 4 parts of coupling agent, 2 parts of plasticizer, 5 parts of nano titanium dioxide, 6 parts of nano tin antimony powder, mica 6 parts of powder and 4 parts of kaolin.

[0033] The preparation method of the thermally conductive filler includes the following steps: after mixing silicon nitride whiskers and magnesium oxide uniformly in a weight ratio of 1:1, adding 3% mass fraction of a silane coupling agent in an ethanol solution, Disperse ultrasonically at ℃ for 1-2h, filter to remove the filtrate and then dry. Wherein, the particle size of the ma...

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Abstract

The invention discloses a formula of an insulating and heat-conducting PVC (polyvinyl chloride) cable material. The cable material is prepared from raw materials in parts by weight as follows: 33-45 parts of PVC resin, 8-15 parts of low-density PVC, 5-15 parts of heat-conducting filler, 4-6 parts of carbon fibers, 2-5 parts of glass fibers, 4-10 parts of aluminum oxide, 5-10 parts of magnesium hydroxide, 1-3 parts of an anti-aging agent, 8-13 parts of chlorinated paraffin, 3-6 parts of a thermal stabilizer, 3-5 parts of a coupling agent, 1-4 parts of a plasticizer, 3-6 parts of nanometer titania, 3-9 parts of nano tin antimony oxide powder, 5-7 parts of mica powder and 3-6 parts of kaolin. The formula has the advantages that the raw materials are selected reasonably and have good compatibility, the manufactured product has good mechanical performance, good flame retardance, good insulativity, long service life and the like, and substances produced during an emergency do no harm to human bodies and natural environment.

Description

Technical field [0001] The invention relates to the technical field of cable materials, in particular to an insulating and thermally conductive PVC cable material formula. Background technique [0002] 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 sheaths. The polymer materials used mainly include polyvinyl chloride, polyethylene, Polypropylene, fluoroplastics, chlorinated polyethers and polyamides, etc., this kind of polymer materials have the characteristics of light weight, chemical corrosion resistance, easy processing and molding, excellent electrical insulation properties, excellent mechanics and fatigue resistance, but this type of material Its thermal conductivity is very low, generally between 0.1~0.3W / (m·K), almost a thermal insulator, with poor heat dissipation effect, and it cannot ...

Claims

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Application Information

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IPC IPC(8): C08L27/06C08L23/06C08L91/06C08K13/06C08K7/06C08K7/14C08K3/22C08K3/34C08K7/10C08K9/06C08K5/12H01B3/44H01B7/295C09K5/14
CPCC08L27/06C08L2201/02C08L2203/202C08L2205/03C08L2207/066C09K5/14H01B3/443H01B7/295
Inventor 毕力高敏陈鹏刘勇
Owner ANHUI YILI CABLE
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