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High-temperature silicone rubber material resistant to strong ultraviolet radiation

A technology of strong ultraviolet rays and silicone rubber, which is applied in varistors, overvoltage protection resistors, etc., can solve problems such as aging, electrical and mechanical performance degradation, and threats to the safety of power grid operation, so as to delay aging and resist strong ultraviolet rays Irradiation, the effect of ensuring safe operation

Inactive Publication Date: 2016-04-20
STATE GRID CORP OF CHINA +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The metal oxide surge arrester composite jacket is an organic polymer material, which will age under the action of strong ultraviolet light, causing a significant decline in electrical and mechanical properties, which in turn affects the normal operation of the power system and threatens the operation safety of the power grid

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The invention provides a high-temperature silicone rubber material resistant to strong ultraviolet radiation, comprising the following components and their quality: 3g of nano-titanium dioxide, 6g of benzophenone, 75g of 110-2 methyl vinyl silicone rubber, 75g of 110-3 methyl Vinyl silicone rubber 25g, white carbon black 20g, aluminum hydroxide micropowder 100g, zinc oxide 4g, iron oxide red 3g, hydroxyl silicone oil 7g, methyl silicone oil 3g, vulcanizing agent 3g.

[0021] The components are mixed, formed, vulcanized and other processes to make a metal oxide surge arrester composite jacket. UV-B ultraviolet rays are used as the light source for ultraviolet irradiation. The distance between the sample surface and the light source plane is 50mm and parallel. The test cycle time system It is 4h exposure to ultraviolet light (50±3)°C, followed by 4h non-irradiation (50±3)°C condensation exposure, the total test time is 3000h. Samples were taken for performance testing. Th...

Embodiment 2

[0023] The invention provides a high-temperature silicone rubber material resistant to strong ultraviolet radiation, comprising the following components and their quality: 4g of nano-titanium dioxide, 4g of benzophenone, 80g of 110-2 methyl vinyl silicone rubber, 110-3 methyl Vinyl silicone rubber 20g, white carbon black 25g, aluminum hydroxide micropowder 95g, zinc oxide 5g, iron oxide red 3g, hydroxyl silicone oil 6g, methyl silicone oil 3g, vulcanizing agent 3g.

[0024] The components are mixed, formed, vulcanized and other processes to make a metal oxide surge arrester composite jacket. UV-B ultraviolet rays are used as the light source for ultraviolet irradiation. The distance between the sample surface and the light source plane is 50mm and parallel. The test cycle time system It is 4h exposure to ultraviolet light (50±3)°C, followed by 4h non-irradiation (50±3)°C condensation exposure, the total test time is 3000h. Samples were taken for performance testing. The tensil...

Embodiment 3

[0026] The invention provides a high-temperature silicone rubber material resistant to strong ultraviolet radiation, comprising the following components and their quality: 6g of nano-titanium dioxide, 3g of benzophenone, 85g of 110-2 methyl vinyl silicone rubber, 110-3 methyl Vinyl silicone rubber 15g, white carbon black 30g, aluminum hydroxide micropowder 105g, zinc oxide 6g, iron oxide red 3g, hydroxyl silicone oil 5g, methyl silicone oil 3g, vulcanizing agent 3g.

[0027] The components are made into metal oxide surge arrester composite jacket through mixing, molding, vulcanization and other processes, and samples are taken for performance testing. UV-B ultraviolet rays are used as the light source for ultraviolet irradiation. The plane distance between the sample surface and the light source is 50mm and parallel , The test cycle time system is 4h UV exposure (50±3)°C, followed by 4h non-irradiation (50±3)°C condensation exposure, the total test time is 3000h. Samples were ...

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Abstract

The invention provides a high-temperature silicone rubber material resistant to strong ultraviolet radiation. The high-temperature silicone rubber material resistant to strong ultraviolet radiation is prepared from, by mass, 3-6 parts of nano titanium dioxide, 3-6 parts of diphenyl ketone, 75-85 parts of methyl vinyl silicone rubber I, 15-25 parts of methyl vinyl silicone rubber II, 20-30 parts of white carbon black, 95-105 parts of aluminum hydroxide micro-powder, 3-7 parts of zinc oxide, 2-5 parts of iron oxide red, 4-8 parts of hydroxyl silicone oil, 2-5 parts of methyl silicone oil and 2-5 parts of a vulcanizing agent. The high-temperature silicone rubber material can absorb ultraviolet rays, has an extremely strong strong-ultraviolet-irradiation resisting function, is applied to a compound metal oxide lightning arrester sheath used in a high-altitude area and can delay the aging of a metal oxide lightning arrester and ensure the safe operation of a power system.

Description

technical field [0001] The invention relates to the technical field of electric power engineering, in particular to a high-temperature silicone rubber material that is resistant to strong ultraviolet radiation and is applied to a composite jacket of a metal oxide arrester. Background technique [0002] High-temperature silicone rubber is a commonly used insulating material in power systems. It is commonly used in metal oxide surge arrester composite jackets, composite insulators and cable terminal accessories. It is usually based on methyl vinyl silicone rubber, adding flame retardants, reinforcements, etc. It has the advantages of light weight, small size, simple manufacturing process, unbreakable, strong hydrophobicity, high dielectric strength, strong anti-fouling flashover ability, etc. It has been widely used at home and abroad. usage of. [0003] With the large-scale construction of western power grids and UHV projects, a large number of metal oxide arresters are requ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L83/07C08L83/06C08L83/04C08K13/06C08K9/06C08K3/22C08K5/132C08K3/36H01C7/12
CPCC08K2201/011C08L83/04C08L2201/08C08L2205/025C08L2205/035H01C7/12C08L83/06C08K13/06C08K9/06C08K2003/2227C08K2003/2241C08K2003/2296C08K5/132C08K3/36
Inventor 万帅陈家宏谷山强王剑吕军冯万兴刘熙曹伟刘新张伟杜雪松
Owner STATE GRID CORP OF CHINA
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