Self-heating silicone rubber composite material and application thereof in insulators

A composite material and silicone rubber technology, applied in insulators, electrical components, circuits, etc., can solve the problems of tear resistance and poor flame retardancy, and achieve the effects of cost-effective, good tear resistance, and simple and convenient production.

Inactive Publication Date: 2020-12-01
江苏英亚高分子材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of the deficiencies in the prior art, the present invention provides a self-heating silicone rubber composite material and its application in insulators, which solves the problem that the silicone rubber insulators used in the past have poor tear resistance and flame retardancy. Therefore, There are still some deficiencies in use

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] An embodiment of the present invention provides a self-heating silicone rubber composite material, comprising the following composition in parts by weight: 110 parts of silicone rubber, 15 parts of siloxane, 5 parts of white carbon black, 0.5 parts of sulfur, 1.5 parts of vulcanizing agent, and 4 parts of reinforcing agent parts, 65 parts of carbon black.

[0027] Wherein the siloxane is at least one of vinyltrimethoxysilane, polydimethylsiloxane and methyltriacetoxysilane.

[0028] Wherein the white carbon black is one of fumed white carbon black or precipitated white carbon black.

[0029] Wherein the vulcanizing agent is one or more mixtures of benzoyl peroxide, 2,4-dichlorobenzoyl peroxide and tert-butyl perbenzoate.

[0030] The reinforcing agent is a mixture of calcium carbonate and titanium dioxide, and the mass ratio of calcium carbonate:titanium dioxide in the mixture is 1:0.5.

[0031] A self-heating silicon rubber composite material comprises the following ...

Embodiment 2

[0040] The embodiment of the present invention provides a self-heating silicone rubber composite material, comprising the following composition in parts by weight: 130 parts of silicone rubber, 20 parts of siloxane, 7 parts of white carbon black, 1.2 parts of sulfur, 2 parts of vulcanizing agent, 5.5 parts of reinforcing agent parts, 68 parts of carbon black.

[0041] Wherein the siloxane is at least one of vinyltrimethoxysilane, polydimethylsiloxane and methyltriacetoxysilane.

[0042] Wherein the white carbon black is one of fumed white carbon black or precipitated white carbon black.

[0043] Wherein the vulcanizing agent is one or more mixtures of benzoyl peroxide, 2,4-dichlorobenzoyl peroxide and tert-butyl perbenzoate.

[0044] The reinforcing agent is a mixture of calcium carbonate and titanium dioxide, and the mass ratio of calcium carbonate:titanium dioxide in the mixture is 1:0.5.

[0045] A self-heating silicon rubber composite material comprises the following pre...

Embodiment 3

[0054] An embodiment of the present invention provides a self-heating silicone rubber composite material, which comprises the following composition in parts by weight: 150 parts of silicone rubber, 25 parts of siloxane, 9 parts of white carbon black, 1.5 parts of sulfur, 3 parts of vulcanizing agent, and 8 parts of reinforcing agent parts, 71 parts of carbon black.

[0055] Wherein the siloxane is at least one of vinyltrimethoxysilane, polydimethylsiloxane and methyltriacetoxysilane.

[0056] Wherein the white carbon black is one of fumed white carbon black or precipitated white carbon black.

[0057] Wherein the vulcanizing agent is one or more mixtures of benzoyl peroxide, 2,4-dichlorobenzoyl peroxide and tert-butyl perbenzoate.

[0058] The reinforcing agent is a mixture of calcium carbonate and titanium dioxide, and the mass ratio of calcium carbonate:titanium dioxide in the mixture is 1:1.

[0059] A self-heating silicon rubber composite material comprises the following...

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PUM

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Abstract

The invention provides a self-heating silicone rubber composite material and application thereof in insulators, belonging to the field of rubber production. The self-heating silicone rubber compositematerial comprises the following components in parts by weight: 110 to 150 parts of silicone rubber, 15 to 25 parts of siloxane, 5 to 9 parts of white carbon black, 0.5 to 1.5 parts of sulfur, 1.5 to3 parts of a vulcanizing agent, 4 to 8 parts of a reinforcing agent and 65 to 71 parts of carbon black, wherein the siloxane is at least one selected from vinyltrimethoxysilane, polydimethylsiloxane and methyltriacetoxysilane; the white carbon black is at least one selected from fumed silica or precipitated white carbon black; and the vulcanizing agent is one or a mixture of more selected from benzoyl peroxide, 2,4-dichlorobenzoyl peroxide and tert-butyl peroxybenzoate. The self-heating silicone rubber composite material prepared by using a processing technology in the invention has good tearstrength, tensile strength and flame retardant property indexes, is more excellent in use, and thus has higher use value than conventional silicone rubber materials in application to insulators.

Description

technical field [0001] The invention relates to the technical field of rubber production, in particular to a self-heating silicone rubber composite material and its application in insulators. Background technique [0002] Insulators are special insulation controls that can play an important role in overhead transmission lines. In the early years, insulators were mostly used on utility poles, and gradually developed into a high-voltage wire connection tower with a lot of disc-shaped insulators hanging on one end. It is to increase the creepage distance, and the insulators should not be caused by changes in the environment and electrical load conditions. Failure due to various electromechanical stresses, otherwise the insulator will not have a significant effect, and it will damage the service life and operating life of the entire line. [0003] For now, there are various types of insulators in use, including organic material insulators. Silicone rubber is widely used in orga...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L83/04C08K13/04C08K7/26C08K3/06C08K3/04C08K3/26C08K3/22H01B17/00
CPCC08K3/04C08K3/06C08K3/22C08K3/26C08K7/26C08K13/04C08K2003/2241C08K2003/265C08L83/04C08L2201/02C08L2205/025H01B17/00
Inventor 刘金生王玉珠王文忠
Owner 江苏英亚高分子材料科技有限公司
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