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Preparation method of anti-algae room temperature vulcanized silicone rubber (RTV)

A technology of silicone rubber and silicon dioxide, which is applied in the field of preparation of anti-algae RTV silicone rubber, can solve the problems of growing algae, destroying the hydrophobicity of the material surface, reducing the reliability of insulation, etc., achieving low cost, preventing microbial growth, and ensuring safety running effect

Pending Publication Date: 2018-03-30
SHENZHEN GRADUATE SCHOOL TSINGHUA UNIV +2
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Problems solved by technology

However, in my country's Sichuan, Yunnan, Guangxi, Hunan, Guangdong and other warm and humid regions, the surface of the RTV coating of composite insulators and insulating pillars has the phenomenon of algae growth
Field tests found that the growth of algae can destroy the hydrophobicity of the material surface and reduce its insulation reliability

Method used

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  • Preparation method of anti-algae room temperature vulcanized silicone rubber (RTV)
  • Preparation method of anti-algae room temperature vulcanized silicone rubber (RTV)

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preparation example Construction

[0030] The specific embodiment of the present invention proposes a kind of preparation method of anti-algae RTV silicone rubber, as figure 1 As shown, the preparation method comprises the following steps S1 to S4:

[0031] S1. Weigh a certain mass of antimicrobial agent powder and silicon dioxide powder according to the required mass ratio and physically mix them to obtain a powdery mixture;

[0032] S2. Put the powdery mixture into an airtight container and heat it evenly, start timing when the heating temperature reaches the melting point of the antimicrobial agent, and stop heating after at least 30 minutes;

[0033] S3. After the mixture is cooled to room temperature, a mixture containing clots is obtained; then the mixture containing clots is dispersed, and a predetermined mass of the dispersed mixture is weighed according to a given mass fraction of antimicrobial agent, and added to RTV paint, then stir;

[0034] S4. Dry and vulcanize the RTV coating added with the mix...

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Abstract

The invention discloses a preparation method of anti-algae room temperature vulcanized silicone rubber (RTV). The method comprises the following steps: S1, weighing a certain mass of anti-microbial agent powder and silicon dioxide powder according to a required mass ratio and physically mixing to obtain a powdery mixture; S2, placing the powdery mixture into a closed container and uniformly heating; starting to time when the heating temperature reaches the melting point of the anti-microbial agent, and stopping heating after at least 30 minutes; S3, cooling the obtained mixture to room temperature so as to obtain a curd-containing mixture; then, dispersing the curd-containing mixture, weighing the dispersed mixture with preset mass according to a given mass fraction of the anti-microbial agent, adding into an RTV coating, and then mixing; S4, drying and vulcanizing the RTV coating added with the mixture at room temperature so as to form the solid silicon rubber.

Description

technical field [0001] The invention relates to the technical field of high-voltage insulation and biological pollution prevention and control, in particular to a preparation method of an anti-algae RTV silicone rubber containing a mixture of an antimicrobial agent and silicon dioxide. Background technique [0002] Silicone rubber materials play a very important role in the field of high-voltage external insulation because of their outstanding hydrophobic properties. In high-voltage transmission lines, composite insulators made of silicone rubber materials are very common. Its function is to suspend wires and ensure reliable insulation between high-potential wires and low-potential towers. In the substation, the surface of post insulators is also widely sprayed with room temperature vulcanized silicone rubber (RTV) material. [0003] The surface of the silicone rubber material is a hydrophobic surface, which significantly improves the insulation reliability. However, in my...

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Application Information

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IPC IPC(8): C08L83/04C08K3/36C08K5/46
CPCC08K3/36C08K5/46C08L83/04
Inventor 贾志东王诗皓王希林欧阳小刚杨世芳刘芮彤范维杨滢璇杨璐羽
Owner SHENZHEN GRADUATE SCHOOL TSINGHUA UNIV
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