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A kind of preparation method of silicone rubber cleaning and repairing agent

A silicone rubber and repair agent technology, applied in the field of cleaning, can solve the problems of damage to the insulating surface and the loss of hydrophobic small molecules on the surface of composite insulators, etc., and achieve the effect of low surface tension, low surface free energy, and good hydrophobicity

Active Publication Date: 2021-03-26
东莞市金泰硅胶制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The technical problem to be solved by the present invention: Aiming at the problem that the solvent-based cleaning agent will cause the loss of small hydrophobic molecules on the surface of the composite insulator and damage the insulating surface, a preparation method of a silicone rubber cleaning and repairing agent is provided

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Get borax, modifying agent zinc dialkyldithiophosphate, dispersant polyethylene wax, mass fraction is 50% lanthanum nitrate solution, borax, modifying agent zinc dialkyldithiophosphate and dispersant polyethylene wax are mixed, Stir at a constant temperature to obtain a reaction solution. Add a lanthanum nitrate solution with a mass fraction of 50% to the reaction solution, continue to stir and react at a constant temperature for 2 hours to obtain a mixed material, and vacuum distill and dehydrate the mixed material to obtain a filler; take butyl titanate , absolute ethanol, 1% nitric acid solution by mass fraction, 8% sodium hydroxide solution by mass fraction, deionized water, mix butyl titanate and absolute ethanol, and stir to obtain mixed solution A. Add 1% nitric acid solution, 8% sodium hydroxide solution and deionized water into A, stir at a constant temperature, and cool to room temperature to obtain titanium dioxide sol; take silicone rubber, filler, titanium d...

Embodiment 2

[0030] Get borax, modifying agent zinc dialkyldithiophosphate, dispersant polyethylene wax, mass fraction is 50% lanthanum nitrate solution, borax, modifying agent zinc dialkyldithiophosphate and dispersant polyethylene wax are mixed, Stir at a constant temperature to obtain a reaction solution. Add a lanthanum nitrate solution with a mass fraction of 50% to the reaction solution, and continue to stir and react at a constant temperature for 2.5 hours to obtain a mixed material. The mixed material is vacuum distilled and dehydrated to obtain a filler; ester, absolute ethanol, 1% nitric acid solution by mass fraction, 8% sodium hydroxide solution by mass fraction, deionized water, mix butyl titanate and absolute ethanol, and stir to obtain mixed solution A. Add nitric acid solution with a mass fraction of 1%, sodium hydroxide solution with a mass fraction of 8% and deionized water to liquid A, stir at a constant temperature, and cool to room temperature to obtain titanium dioxide...

Embodiment 3

[0032] Get borax, modifying agent zinc dialkyldithiophosphate, dispersant polyethylene wax, mass fraction is 50% lanthanum nitrate solution, borax, modifying agent zinc dialkyldithiophosphate and dispersant polyethylene wax are mixed, Stir at a constant temperature to obtain a reaction solution. Add a lanthanum nitrate solution with a mass fraction of 50% to the reaction solution, and continue to stir and react at a constant temperature for 3 hours to obtain a mixed material. The mixed material is vacuum distilled and dehydrated to obtain a filler; butyl titanate , absolute ethanol, 1% nitric acid solution by mass fraction, 8% sodium hydroxide solution by mass fraction, deionized water, mix butyl titanate and absolute ethanol, and stir to obtain mixed solution A. Add 1% nitric acid solution, 8% sodium hydroxide solution and deionized water into A, stir at a constant temperature, and cool to room temperature to obtain titanium dioxide sol; take silicone rubber, filler, titanium ...

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PUM

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Abstract

The invention relates to a preparation method of a silicone rubber cleaning repair agent, and belongs to the technical field of cleaning. Borax, lanthanum nitrate, a proper modifier and a modificationtechnology are used for preparing a surface-modified nanometer lanthanum borate filler, titanium dioxide sol is prepared through a sol-gel method, by combining with silicone rubber, fluoro alkylsilane and a composite solvent, the silicone rubber cleaning repair agent is prepared; siloxane with reaction activity groups can chemically react with hydroxide radicals in titanium dioxide under the specific condition to form a silane chain, a layer of thin film with the molecular thickness is formed on the surfaces of micropores, the thin film is firmly adsorbed on the surface of silicone rubber, anorganosilicone compound is subjected to a self-condensation reaction under the certain temperature to generate polysiloxane, along with conducting of the reaction, straight chains are changed into areticular structure of branched chains and crosslinks, and the generated firm reticular siloxane thin film has good hydrophobicity and has very low surface tension and can be evenly distributed on thesilicone rubber wall.

Description

technical field [0001] The invention relates to a preparation method of a silicone rubber cleaning and repairing agent, belonging to the technical field of cleaning. Background technique [0002] Silicone rubber composite insulators and glass and porcelain insulators coated with RTV silicone rubber have excellent pollution flashover resistance and can effectively prevent pollution flashover accidents. At present, in heavily polluted areas, well-designed and manufactured composite insulators and glass and porcelain insulators coated with high-quality RTV silicone rubber have more than 20 years of safe operation records and are still in use. However, under the double influence of the electric field and the performance of the silicone rubber material, composite insulators in operation and RTV-coated porcelain and glass insulators will accumulate a large amount of dust on the surface in a short period of time, affecting the appearance of electrical equipment. In addition, with ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C11D1/82C11D3/36C11D3/37C11D3/04C11D3/20C11D3/12C11D3/14C11D3/60C09D183/04C09D7/61C09D7/62C09D7/63C09D5/25
CPCC08K2003/2241C08K2003/387C08K2201/011C09D183/04C11D1/82C11D3/042C11D3/044C11D3/046C11D3/048C11D3/1213C11D3/14C11D3/201C11D3/2072C11D3/362C11D3/3749C09D7/61C09D7/62C09D7/63C08K13/06C08K9/04C08K3/38C08K3/22C08K5/5406
Inventor 陈学栋
Owner 东莞市金泰硅胶制品有限公司
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