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Insulated cable sheath material for high-voltage cable

A technology for insulating cables and sheath materials, applied to rubber insulators, organic insulators, etc., can solve problems such as damage to health, density, poor waterproofness, and environmental pollution, and achieve enhanced density, good waterproofness, and good hydrophilic and lipophilic properties Effect

Inactive Publication Date: 2017-11-24
TONGLING CITY TONGDOU SPECIAL CABLE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the cable materials produced in China are ordinary PVC cable materials, which are not only poor in density and water resistance, but also pollute the environment and damage people's health.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] An insulating cable sheath material for high-voltage cables, the raw materials of which include by weight: 50 parts of EPDM rubber, 50 parts of methyl vinyl silicone rubber, 30 parts of butyl rubber, 170 parts of filling and reinforcing agent, aluminum zirconium 2 parts of coupling agent, 4 parts of crosslinking agent, 1 part of lubricant, 4 parts of antioxidant, 2 parts of anti-ultraviolet absorber.

Embodiment 2

[0016] An insulating cable sheath material for high-voltage cables, the raw materials of which include by weight: 60 parts of EPDM rubber, 40 parts of methyl vinyl silicone rubber, 40 parts of butyl rubber, 150 parts of filling and reinforcing agent, aluminum zirconium 6 parts of coupling agent, 2 parts of crosslinking agent, 3 parts of lubricant, 2 parts of antioxidant, 6 parts of anti-ultraviolet absorber.

[0017] The filling and reinforcing agent includes by weight: 20 parts of starch composite vermiculite powder, 20 parts of nanometer talc powder, 12 parts of nanometer zeolite powder, 25 parts of calcined kaolin, 50 parts of 20-40 μm fly ash, and 40 parts of magnesium hydroxide.

[0018] Starch composite vermiculite powder is prepared by the following process: add palm oil and propylene glycol fatty acid ester to hydrochloric acid, add starch and stir, add dibutyltin dilaurate, vermiculite powder, liquid paraffin, stir, microwave treatment, filter, wash, dry, and pulverize...

Embodiment 3

[0020] An insulating cable sheath material for high-voltage cables, the raw materials of which include by weight: 52 parts of EPDM rubber, 48 parts of methyl vinyl silicone rubber, 32 parts of butyl rubber, 165 parts of filling and reinforcing agent, aluminum zirconium 3 parts of coupling agent, 3.5 parts of crosslinking agent, 1.5 parts of lubricant, 3.5 parts of antioxidant, 3 parts of anti-ultraviolet absorber.

[0021] The filling reinforcing agent includes by weight: 28 parts of starch composite vermiculite powder, 10 parts of nanometer talc powder, 20 parts of nanometer zeolite powder, 15 parts of calcined kaolin, 70 parts of 20-40 μm fly ash, and 20 parts of magnesium hydroxide.

[0022] The starch composite vermiculite powder is prepared by the following process: 12 parts of palm oil and 3 parts of propylene glycol fatty acid ester are added in 90 parts of hydrochloric acid with a concentration of 20wt% by weight, 15 parts of starch are added and stirred, and 1.5 parts ...

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Abstract

The invention discloses an insulated cable sheath material for a high-voltage cable. The insulated cable sheath material is prepared from raw materials in parts by weight as follows: 50-60 parts of EPDM rubber, 40-50 parts of methyl vinyl silicone rubber, 30-40 parts of butyl rubber, 150-170 parts of a filling reinforcing agent, 2-6 parts of an aluminium-zirconium coupling agent, 2-4 parts of a cross-linking agent, 1-3 parts of a lubricating agent, 2-4 parts of an antioxidant and 2-6 parts of an anti-ultraviolet absorbent, wherein the filling reinforcing agent is prepared from components in parts by weight as follows: 20-28 parts of starch composite vermiculite powder, 10-20 parts of nano talcum powder, 12-20 parts of nano zeolite powder, 15-25 parts of calcined kaolin, 50-70 parts of fly ash and 20-40 parts of magnesium hydroxide. The insulated cable sheath material for the high-voltage cable has high density which can reach 1705-1748 kg / m<3>, and is good in waterproof performance, long in service life, excellent in mechanical property and free of halogen and environmental pollution.

Description

technical field [0001] The invention relates to the technical field of cable sheaths, in particular to an insulating cable sheath material for high-voltage cables. Background technique [0002] Sheath material is the main application field of insulating materials. At present, with the continuous development of the communication field, the market demand for cable materials is increasing, and the performance requirements for cable materials are also getting higher and higher, such as halogen-free cable materials, High-voltage insulating cable materials, inner and outer shielding cable materials, etc. Most of the cable materials produced in China are ordinary PVC cable materials, which are not only poor in density and water resistance, but also pollute the environment and damage people's health. [0003] In view of the defects in the above prior art, it is necessary to further improve it to make it more practical, so as to meet the actual use conditions. Contents of the inve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/16C08L83/07C08L23/22C08L3/02C08K13/02C08K3/34C08K3/22H01B3/28
CPCC08L23/16C08K2003/2224C08K2201/003C08K2201/011C08K2201/014C08L83/04C08L2201/22C08L2203/202C08L2205/035C08L2312/00H01B3/28C08L23/22C08L3/02C08K13/02C08K3/346C08K3/34C08K3/22
Inventor 赵家玉
Owner TONGLING CITY TONGDOU SPECIAL CABLE CO LTD
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