A kind of anti-corrosion paint with strong anti-oxidation, anti-acid and alkali corrosion performance and preparation method thereof
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An anti-corrosion coating and corrosion-resistant technology, applied in anti-corrosion coatings, epoxy resin coatings, polyester coatings, etc., can solve the problems of poor ozone corrosion resistance and complex production process, and achieve excellent aging resistance, wide temperature resistance, obvious effect
Active Publication Date: 2015-12-09
ZHEJIANG TIANLAN ENVIRONMENTAL PROTECTION TECH
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[0008] The invention provides an anti-corrosion coating with strong anti-oxidation and anti-acid and alkali corrosion properties and a preparation method thereof. The coating has a strong anti-ozone oxidation function and anti-acid and alkali corrosion, which can effectively solve the problem of anti-corrosion of materials commonly used in current environmental protection devices and other coatings. Problems of poor ozone corrosivity and complex production process
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Embodiment 1
[0037] Weigh 15% phenolic resin, 30% epoxy resin, 5% styrene, and 5% trichloroethylene in proportion, add them to a high-speed dispersion kettle, heat at 200°C, and stir at 500r / min for 5 hours until the dispersion is uniform.
[0038] Weigh 10% mica flakes and 15% glass flake fillers and fully grind them with a ball mill at 450r / min for 5 hours to prepare powder fillers.
[0039] Mix the prepared composite resin, powder filler, 1% polyepoxysuccinic acid, 1% benzimidazole, 10% methyl silane, 5% dibutyl tin dimonthly silicate, 1% KH570, 2% KH570 , 300r / min stirring for 4 hours until the mixture is uniform.
Embodiment 2
[0041] Weigh 10% urea-formaldehyde resin, 15% unsaturated polyester resin, 20% epoxy resin, 6% trichloroethylene and 4% ethylene glycol ether in proportion, add them to the high-speed dispersion kettle, heat at 180℃, 450r / min Stir for 5 hours until evenly dispersed.
[0042] Weigh 10% graphite flakes, 10% glass flakes, and 5% titanium dioxide fillers and grind them with a ball mill 350r / min for 5.5 hours to make powder fillers.
[0043] Press the prepared composite resin, powder filler, 0.5% polyaspartic acid, 1.5% polyepoxysuccinic acid, 5% organic hydroxy silicone, 10% organic methyl silicone, 1% KH570, 2% KH792 Proportional mixing, stirring at 350r / min for 3 hours until the mixture is uniform.
Embodiment 3
[0045] Weigh 20% urea-formaldehyde resin, 25% polyurethane, 5% ethylene glycol ether, and 5% triethanolamine into a high-speed dispersion kettle, heat at 220°C and stir at 450r / min for 5 hours until the dispersion is uniform.
[0046] Weigh 10% titanium dioxide and 15% glass flake fillers and fully grind them with a ball mill at 500r / min for 4 hours to make powder fillers.
[0047] The resin, powder filler, 0.5% benzimidazole, 1.5% dihydroimidazole, 5% organic hydroxy silicone, 5% methylsilane, 5% dibutyltin dilaurate, 1% KH560, 2% DL602 Proportional mixing, stirring at 400r / min for 4 hours until the mixture is uniform.
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Abstract
The invention discloses an anticorrosive paint with good oxidation resistance and acid-base corrosion resistance, as well as a preparation method thereof. The preparation method comprises the following steps: (1) adding composite resin and an organic solvent into a high-speed dispersion kettle according to a ratio, heating at the temperature of 150-300 DEG C, and mixing for 5-10 hours at a speed of 300-600 r / min until uniform dispersion to obtain a resin mixed solution; fully grinding fillers by a ball mill for 3-8 hours at the speed of 300-600 r / min according to a ratio to obtain filler powder; (2) mixing the resin mixed solution, the filler powder, a corrosion inhibitor, an ozone corrosion resistant additive and a dispersion solution, and mixing for 3-5 hours at a speed of 200-500 r / min until uniform mixing to obtain the anticorrosive paint, wherein the anticorrosive paint comprises the following raw materials in percentage by mass: 30%-60% of the composite resin, 10%-30% of the ozone corrosion resistant additive, 0.5%-10% of the corrosion inhibitor, 20%-40% of the fillers, 1%-10% of the dispersion solution and 5%-20% of the organic solvent. The anticorrosive paint has a good ozone oxidation resistant function, is resistant to acid-base corrosion, and effectively solves the problems of poor ozone corrosion resistance and complex preparation process of common materials and other paints in a conventional environment-friendly device.
Description
Technical field [0001] The invention relates to the technical field of surface anticorrosion of environmental protection devices, in particular to an anticorrosive coating with strong ozone oxidation resistance and acid and alkali corrosion resistance and a preparation method thereof. Background technique [0002] With the continuous improvement of my country's environmental protection requirements, flue gas emission standards have become increasingly strict, and flue gas denitration and mercury removal have become hot spots in flue gas purification. However, the existing flue gas denitrification technology has certain limitations, and has high requirements on the boiler structure and flue gas temperature. However, the existing large number of medium-sized boilers cannot meet the corresponding engineering technical requirements, so for the denitrification of small and medium-sized boilers The only way to deal with the end of the flue gas. [0003] Gas phase oxidation combined with...
Claims
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