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Coating for electric power fittings and preparation method thereof

A technology for electrical fittings and coatings, applied in the direction of conductive coatings, anti-corrosion coatings, anti-fouling/underwater coatings, etc., which can solve problems such as aging and corrosion of fittings, and achieve the effects of good plasticity, improved service life, and strong anti-fouling ability

Active Publication Date: 2016-09-21
ANHUI WEI LONG POWER EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the present invention provides a coating for electric fittings and a preparation method thereof, which effectively solves the problems of corrosion and aging of fittings, and has excellent corona resistance, and the coating is uniformly dispersed, smooth and comprehensive. Stable performance, significantly improving the service life of fittings

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A coating for electrical fittings consists of the following parts by mass: 65 parts of silica sol, 15 parts of epoxy resin, 25 parts of polyester resin, 12 parts of SHP-50 polysiloxane powder, 17 parts of polyimide resin, acetylene 12 parts of carbon black, 12 parts of nano-titanium dioxide, 8.5 parts of water glass, 5 parts of petroleum pitch, 10 parts of guar gum WP-05, 7 parts of SER-AD FA179, 4 parts of diethylenetriamine, 2.3 parts of antioxidant 1076 , 7 parts of aluminum chromium phosphate, 1.5 parts of sodium hydroxide solution.

[0024] A kind of preparation method of coating for electrical fittings, its preparation steps are as follows:

[0025] 1) Mix 4 / 5 amount of epoxy resin, full amount of polyester resin, 1 / 4 amount of aluminum chromium phosphate, 1 / 4 amount of guar gum WP-05 and 4 / 5 amount of diethylene triamine After mixing, put it into an open mill, adjust the temperature to 130°C, knead for 20 minutes, extrude and press into tablets, stop to cool, th...

Embodiment 2

[0031] A coating for electrical fittings consists of the following parts by mass: 70 parts of silica sol, 30 parts of epoxy resin, 20 parts of polyester resin, 13 parts of SHP-50 polysiloxane powder, 15 parts of polyimide resin, acetylene 10 parts of carbon black, 10 parts of nano titanium dioxide, 9 parts of water glass, 4 parts of petroleum pitch, 12 parts of guar gum WP-05, 8 parts of SER-AD FA179, 4.5 parts of diethylenetriamine, 4 parts of antioxidant 1076 , 8 parts of aluminum chromium phosphate, 2.5 parts of sodium hydroxide solution.

[0032] A kind of preparation method of coating for electrical fittings, its preparation steps are as follows:

[0033]1) Mix 4 / 5 amount of epoxy resin, full amount of polyester resin, 1 / 4 amount of aluminum chromium phosphate, 1 / 4 amount of guar gum WP-05 and 4 / 5 amount of diethylene triamine After mixing, put it into an open mill, adjust the temperature to 135°C, knead for 22 minutes, extrude and press into tablets, stop to cool, then ...

Embodiment 3

[0039] A coating for electrical fittings consists of the following parts by mass: 78 parts of silica sol, 20 parts of epoxy resin, 23 parts of polyester resin, 10 parts of SHP-50 polysiloxane powder, 20 parts of polyimide resin, acetylene 8 parts of carbon black, 8 parts of nano-titanium dioxide, 9.5 parts of water glass, 8 parts of petroleum pitch, 8 parts of guar gum WP-05, 10 parts of SER-AD FA179, 5 parts of diethylenetriamine, 3.5 parts of antioxidant 1076 , 6 parts of aluminum chromium phosphate, 2.8 parts of sodium hydroxide solution.

[0040] A kind of preparation method of coating for electrical fittings, its preparation steps are as follows:

[0041] 1) Mix 4 / 5 amount of epoxy resin, full amount of polyester resin, 1 / 4 amount of aluminum chromium phosphate, 1 / 4 amount of guar gum WP-05 and 4 / 5 amount of diethylene triamine After mixing, put it into an open mill, adjust the temperature to 140°C, knead for 25 minutes, extrude and press into tablets, stop to cool, then...

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PUM

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Abstract

The invention discloses a coating for electric power fittings and a preparation method thereof. The coating for the electric power fittings is composed of, by mass, 60-80 parts of a silica solution, 15-30 parts of epoxy resin, 15-25 parts of polyester resin, 10-16 parts of SHP-50 polysiloxane powder, 15-20 parts of polyimide resin, 7-12 parts of acetylene black, 6-15 parts of nanometer titania, 8-10 parts of water glass, 4-8 parts of petroleum asphalt, 8-15 parts of guar gum WP-05, 6-10 parts of SER-AD FA 179, 3-5 parts of diethylenetriamine, 2-4 parts of antioxygen 1076, 5-8 parts of phosphate aluminum-chromium and 1-3 parts of a sodium hydroxide solution. The coating is prepared through the steps of mixed smelting, crushing, mixing, stirring, aging and the like. The coating has the advantages that the coating has excellent corrosion resistance and corona resistance, gathering of electric charges can be reduced, the probability of partial discharge breakdown is lowered, the corona-resistant protective effect is achieved, and the problems of aging, corrosion and the like in the use process of the electric power fittings are effectively prevented.

Description

technical field [0001] The invention relates to the field of protective coatings for metal fittings, in particular to a coating for electric metal fittings and a preparation method thereof. Background technique [0002] Power fittings are metal accessories that connect and combine various devices in the power system to transmit mechanical loads, electrical loads and some kind of protection, and play an important role in power transmission and transformation projects. Product quality is not only related to the safe operation of the power grid, but also related to personal and property safety. Therefore, it is a very important task to ensure the product performance and service life of power fittings. Power fittings are mainly metal cast iron, which are prone to corrosion, aging and other problems during long-term use. At present, the commonly used method for protecting metal materials is to paint the protective layer on the surface. [0003] In the Chinese published patent a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/00C09D7/12C09D5/08C09D5/24C09D5/16C09D5/32
CPCC09D1/00C09D5/08C09D5/1656C09D5/1687C09D5/24C09D5/32C09D7/61C09D7/63C09D7/65
Inventor 孙邦进
Owner ANHUI WEI LONG POWER EQUIP
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