Magnesium-containing coating composition for automotive ball joint assembly and use thereof
A coating composition, the technology of the composition, applied in the direction of coating, anti-corrosion coating, device for coating liquid on the surface, etc., can solve the problems of surface coating damage, high cost, heavy weight, etc.
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Embodiment 1
[0085] Stir 40 g of tri-tert-butoxyaluminum and 10 g of triethanolamine in 35 g of ethylene glycol monobutyl ether, slowly add 15 g of tartaric acid during the stirring process, and stir at room temperature for 6 hours to obtain a mixture 1A;
[0086] 4g of cellulose acetate butyrate with a butyryl content of 32wt% was dissolved in 26.4g of ethylene glycol monobutyl ether, slowly added dropwise 0.1g of benzoyl peroxide and 12g of methyl methacrylate, and then 7.5g of average particle size Magnesium nanoparticles with a diameter of 620nm were stirred to make them evenly mixed, then heated to 45°C, reacted for 1h under reflux conditions, and cooled to room temperature to obtain a mixture 1B;
[0087] 56g of mixture 1A, 34g of mixture 1B, 2g of PEG300 and 8g of glycerin were stirred evenly at 1500rpm, and then filtered through a 250-mesh filter to obtain mixture 1C.
[0088] The mixture 1C was coated on the steel surface by roll coating, and baked at 300° C. for 30 minutes to obt...
Embodiment 2
[0093] Stir 45g of aluminum tri-tert-butoxide and 12g of triethanolamine in 31g of ethylene glycol monobutyl ether evenly, slowly add 12g of tartaric acid during the stirring process, and stir at room temperature for 4h to obtain mixture 2A;
[0094] 3g of cellulose acetate butyrate with a butyryl content of 32wt% was dissolved in 30.4g of ethylene glycol monobutyl ether, slowly added dropwise 0.1g of benzoyl peroxide and 10.5g of methyl methacrylate, and then 6g of average grain Magnesium nanoparticles with a diameter of 620nm were stirred to make them evenly mixed, then heated to 50°C, reacted for 0.5h under reflux conditions, and cooled to room temperature to obtain a mixture 2B;
[0095] 58g of mixture 2A, 32g of mixture 2B, 2g of PEG300 and 8g of glycerin were stirred evenly at 1500rpm, and then filtered through a 250-mesh filter to obtain mixture 2C.
[0096] The mixture 2C was coated on the steel surface by roll coating, and baked at 250° C. for 40 minutes to obtain a m...
Embodiment 3
[0101] Stir 35g of tri-tert-butoxyaluminum and 8g of triethanolamine in 39g of ethylene glycol monobutyl ether evenly, slowly add 18g of tartaric acid during the stirring process, and stir at room temperature for 5h to obtain mixture 3A;
[0102] Dissolve 5g of cellulose acetate butyrate with a butyryl content of 32wt% in 30.9g of ethylene glycol monobutyl ether, slowly add 0.1g of benzoyl peroxide and 15g of methyl methacrylate dropwise, and then add 9g of average particle size 620nm magnesium nanoparticles, stirred to mix evenly, then heated to 40°C, reacted under reflux for 2h, cooled to room temperature, and obtained mixture 3B;
[0103] 54g of mixture 3A, 36g of mixture 3B, 2g of PEG300 and 8g of glycerin were stirred evenly at 1500rpm, and then filtered through a 250-mesh filter to obtain mixture 3C.
[0104] The mixture 3C was coated on the steel surface by roll coating, and baked at 250° C. for 40 minutes to obtain a magnesium-containing coating, and the thickness of t...
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Abstract
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