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A kind of protective coating for outdoor power equipment and preparation method thereof

A technology for electrical equipment and protective coatings, applied in anti-corrosion coatings, anti-fouling/underwater coatings, epoxy resin coatings, etc., can solve the problems of many types of materials and difficult control of product performance stability, and achieve enhanced anti-ultraviolet function , Reduce the penetration of ultraviolet rays and accelerate the curing speed

Active Publication Date: 2021-03-12
国网河南省电力公司西峡县供电公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The weather resistance of the fluorocarbon coating of this invention needs to be further improved, and there are many types of materials used, and the stability of product performance is not easy to control

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0031] The preparation method of the above-mentioned protective coating for outdoor power equipment is as follows: first, mix FEVE fluorocarbon resin, bisphenol A epoxy resin and solvent, add 0.01-0.05 parts by weight of catalyst, and stir and react at 75-80°C for 1-1.2 hours ; Then add modified nano-silica, ultraviolet absorber and remaining catalyst to continue to stir and react for 2-3 hours, and let it cool down naturally.

[0032] Preferably, the stirring speed of the stirring reaction is 200-250 r / min.

[0033] The use method of the protective coating of the present invention is: cleaning the surface of the outdoor electric equipment and then directly painting it, so as to protect the outdoor electric equipment and improve the anti-corrosion and weather resistance performance of the outdoor electric equipment.

Embodiment 1

[0035] A protective coating for outdoor power equipment, made of the following raw materials in parts by weight: 30 parts of FEVE fluorocarbon resin, 12 parts of bisphenol A epoxy resin, 5 parts of modified nano-silica, 25 parts of solvent, and 0.02 parts of catalyst , 0.8 part of ultraviolet absorber.

[0036] The solvent is a composition of methyl oleate and cyclohexanone in a weight ratio of 1.5:1. The catalyst is zirconium acetylacetonate. The ultraviolet absorber is ultraviolet absorber UV-214.

[0037] The modified nano-silica is obtained by the following preparation method: take nano-silica powder, add water to form a suspension with a mass volume fraction of 3%, and disperse at 5000r / min for 30 minutes; add hydrochloric acid with a volume fraction of 3% to adjust the suspension. The pH value is 4.0, stirred in a water bath for 30 minutes; then add 2.5% sodium hexametaphosphate solution, 2000r / min to disperse for 30 minutes, let stand for 6 hours, take the upper suspe...

Embodiment 2

[0042] A protective coating for outdoor power equipment, made of the following raw materials in parts by weight: 45 parts of FEVE fluorocarbon resin, 20 parts of bisphenol A epoxy resin, 10 parts of modified nano-silica, 35 parts of solvent, and 0.1 part of catalyst , 1.5 parts of ultraviolet absorbers.

[0043] The solvent is a composition of methyl oleate and cyclohexanone in a weight ratio of 2.3:1. The catalyst is zirconium acetylacetonate. The ultraviolet absorber is UV-214.

[0044] The modified nano-silica is obtained by the following preparation method: take nano-silica powder, add water to form a suspension with a mass fraction of 8%, and disperse at 5000r / min for 40 minutes; add hydrochloric acid with a volume fraction of 3% to adjust the pH of the suspension The value is 4.2, stirred in a water bath for 35 minutes; then add a sodium hexametaphosphate solution with a mass fraction of 3.0%, disperse for 40 minutes at 2000r / min, let it stand for 8 hours, take the upp...

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Abstract

The invention provides a protective paint for outdoor power equipment, which belongs to the technical field of paint compositions. A protective coating for outdoor power equipment, made of the following raw materials in parts by weight: 30-45 parts of FEVE fluorocarbon resin, 12-20 parts of bisphenol A epoxy resin, 5-10 parts of modified nano-silica, solvent 25‑35 parts, catalyst 0.02~0.1 part, ultraviolet absorber 0.8~1.5 part. The protective coating for outdoor electric equipment of the present invention can enhance the weather resistance and anticorrosion performance of outdoor electric equipment.

Description

technical field [0001] The invention relates to the technical field of coating compositions, in particular to a protective coating for outdoor power equipment and a preparation method thereof. Background technique [0002] The installation locations of most power equipment in my country are mainly chosen outdoors. In this case, the power equipment is subjected to wind, sun, and other natural environments all year round. The surface is easily corroded, dust and aging, and the probability of accidents is low. become relatively large, so the protection of electrical equipment is very important. [0003] Fluorocarbon coatings have been used in the field of anti-corrosion for a long time. Based on their unique chemical structure, fluorocarbon coatings have special advantages in anti-corrosion of power equipment and its metal structures. The anti-corrosion effect of paint mainly includes the following contents: ① shielding effect ② cathodic protection effect ③ resistance effect of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D127/12C09D163/00C09D7/62C09D5/08C09D7/48C09D7/20C09D7/63C09D5/16
Inventor 张益铭赵晨封少兵孙枫淦崔亮亮别志攀
Owner 国网河南省电力公司西峡县供电公司
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