Long-acting anti-pollution flashover coating

An antifouling flashover coating, long-term technology, applied in antifouling/underwater coatings, fireproof coatings, coatings, etc., can solve the problems of reducing worker's work intensity, reducing production costs, etc., to reduce flashover accidents and reduce production Cost, effect of simple dip coating process

Active Publication Date: 2016-11-16
北京三辰星火科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

And the coating can not only be used for spraying in a small amount of work, but also can be treated by adjusting the formula and adopting the dip coating process when the workload is relatively large. The dip coating process is simple and the assembly line operation is implemented, which greatly reduces the work intensity of the workers and solves the problem The drawbacks of the existing operating methods reduce production costs

Method used

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  • Long-acting anti-pollution flashover coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Add 11.25 parts of hydroxyl-terminated polydimethylsiloxane of 80000mpa.s, 18.75 parts of hydroxyl-terminated polydimethylsiloxane of 20000mpa.s, and hydroxyl-terminated polydimethylsiloxane of 5000mpa.s in a 500L kneader 12 parts of oxane, 7.5 parts of polydimethylsiloxane of 500mpa.s, 6 parts of fumed white carbon black, 4 parts of structure control agent, stir and heat up to 120 degrees, then add 6 parts of fumed white carbon black, aluminum hydroxide 30 parts, 4.5 parts of antifouling agent, raised to 155 degrees and stirred for one hour, then vacuumed (-0.04MPa) for 2 hours and then closed. After the temperature dropped, it was taken out and passed through the three-roll mill to obtain the base rubber.

[0024] Take 100 parts of the base glue obtained above, add 2 parts of oily iron red paste, 65 parts of diluent, 3.6 parts of dimethyl ketone oxime, 2.4 parts of vinyl tributylketoxime silane under the condition of blowing nitrogen, and stir for half an hour , and t...

Embodiment 2

[0026] Add 9.75 parts of hydroxyl-terminated polydimethylsiloxane of 80000mpa.s, 20.5 parts of hydroxyl-terminated polydimethylsiloxane of 20000mpa.s, and 5000mpa.s of hydroxyl-terminated polydimethylsiloxane in a 500L kneader 9.75 parts of alkane, 7.5 parts of polydimethylsiloxane of 500mpa.s, 5 parts of fumed white carbon black, 6 parts of structure control agent, stir and heat up to 120 degrees, then add another 5 parts of fumed white carbon black and aluminum hydroxide 28.75 parts, 7.75 parts of antifouling agent raised to 150 degrees and stirred for one hour, then vacuumed (-0.05MPa) for 2 hours and then closed. After the temperature dropped, it was taken out and passed through the three-roll mill to obtain the base rubber.

[0027] Add 100 parts of the obtained base glue to 1.5 parts of oily iron yellow slurry, 50 parts of diluent, 4.8 parts of dimethyl ketoxime, and 3.2 parts of vinyl tributyl ketoxime silane under the condition of blowing nitrogen, and stir for half an ...

Embodiment 3

[0029] Add 9.25 parts of hydroxyl-terminated polydimethylsiloxane of 80000mpa.s, 20 parts of hydroxyl-terminated polydimethylsiloxane of 20000mpa.s, and 5000mpa.s of hydroxyl-terminated polydimethylsiloxane in a 500L kneader 11.75 parts of alkane, 9 parts of polydimethylsiloxane of 500mpa.s, 9.5 parts of fumed silica, 6 parts of structure control agent, stirred and heated to 120 degrees, and then added 9.5 parts of fumed silica and aluminum hydroxide 27.5 parts and 7 parts of antifouling agent were raised to 150 degrees and stirred for one hour, then vacuumed (-0.06MPa) for 2 hours and then closed. After the temperature dropped, it was taken out and passed through the three-roll mill to obtain the base rubber.

[0030] Add 100 parts of the obtained base glue to 1.25 parts of oily carbon black slurry, 45 parts of diluent, 6 parts of dimethyl ketoxime, and 4 parts of vinyl tributyl ketoximosilane under the condition of blowing nitrogen, and stir for half an hour. Then add 2 part...

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Abstract

The invention discloses a long-acting anti-pollution flashover coating, belonging to the technical field of chemical engineering. The long-acting anti-pollution flashover coating comprises the following components in parts by weight: 100 parts of base rubber, 45-65 parts of a diluent, 6-11 parts of a crosslinking agent, 1.5-3 parts of color paste, 0.08-0.12 part of a catalyst and 1-2 parts of a coupling agent, wherein each part of the base rubber comprises the following components in parts by weight: 33-49 parts of hydroxy-terminated poly-dimethylsiloxane, 9-19 parts of fumed silica, 26-32 parts of aluminum hydroxide, 6-10 parts of a flatting agent, 3-6 parts of a structural control agent and 4-8 parts of an anti-pollution agent. According to the long-acting anti-pollution flashover coating, the deficiencies that the existing anti-pollution flashover coating is poor in anti-pollution capacity and adhesive force and has lots of drawbacks in a construction process are overcome, the adhering degree of the coating is just right, and a coating layer is not damaged under the action of natural forces such as wind blowing, raining and solarization and does not need to be swept under the normal state in a maintenance period.

Description

technical field [0001] The invention belongs to the technical field of chemical industry, and in particular relates to a long-acting antifouling flashover paint. Background technique [0002] Pollution flashover refers to the fact that the soluble substances of the dirt attached to the insulating surface of electrical equipment gradually dissolve in water under humid conditions, forming a conductive film on the insulating surface, greatly reducing the insulation level of the insulator, and appearing under the action of the electric field Phenomenon of strong discharge. Due to the widespread adoption of EHV transmission and DC transmission technologies in the power system, pollution flashover has become a catastrophic failure that seriously threatens the safe operation of equipment and power grids in the power system, and is listed as the number one security enemy of the power system. Preventing pollution flashover accidents has become a The first priority of grid security o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D183/06C09D5/16C09D5/18C09D7/12
CPCC08L2205/02C08L2205/025C08L2205/035C09D5/1618C09D5/18C09D7/61C09D7/63C09D7/65C09D183/06C08L83/06C08L83/04C08K13/06C08K9/04C08K3/36C08K2003/2227C08K5/544
Inventor 翁小菊倪勇
Owner 北京三辰星火科技有限公司
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