A protective paint for the surface of multi-color irreversible temperature-indicating paint
A technology of temperature-indicating paint and protective paint, applied in the direction of heat-sensitive paint, coating, etc., can solve problems such as being easily affected by the surrounding environment
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Embodiment 1
[0031] Example 1: Add 180.0 g of deionized water into a 500 ml three-necked flask, start stirring, control the stirring speed at 200-400 r / min, and start to slowly heat up. When the temperature reaches 60-65°C, slowly add a mixed solution containing 10.0 g of butyl acrylate and 10.0 g of methyl methacrylate, and keep warm at 60-65°C for 30 minutes. Then, add 0.07g of sodium hydroxide and 0.05g of magnesium chloride, and keep warm at 60-65°C for 30-60min. After the heat preservation is completed, slowly raise the temperature to 80°C and add 0.06g of dibenzoyl peroxide, heat the reaction at 80-85°C for 3h, then raise the temperature to 90°C, and continue the heat preservation reaction at 90-95°C for 3h. After the heat preservation is over, turn off the heating, cool down naturally to below 35°C, and filter out the material with an 80-mesh screen to obtain uniform and spherical resin particles.
[0032] Using deionized water and concentrated sulfuric acid, prepare a sufficient a...
Embodiment 2
[0040] Example 2: Add 160.0 g of deionized water into a 500 ml three-neck flask, start stirring, control the stirring speed at 200-400 r / min, and start to slowly heat up. When the temperature reaches 60-65°C, slowly add a mixture containing 20.0g butyl methacrylate and 20.0g hydroxyethyl acrylate, and keep warm at 60-65°C for 30min. Then, 0.8 g of calcium carbonate was added, and the temperature was kept at 60-65° C. for 30-60 minutes. After the heat preservation is completed, slowly raise the temperature to 80°C and add 0.4g of azobisisobutyronitrile, keep the temperature at 80-85°C for 3 hours, then raise the temperature to 90°C, and continue the heat preservation reaction at 90-95°C for 3 hours. After the heat preservation is over, turn off the heating, cool down naturally to below 35°C, and filter out the material with an 80-mesh screen to obtain uniform and spherical resin particles.
[0041] Using deionized water and concentrated sulfuric acid, prepare a sufficient amou...
Embodiment 3
[0049] Example 3: Add 120.0 g of deionized water into a 500 ml three-neck flask, start stirring, control the stirring speed at 200-400 r / min, and start to slowly raise the temperature. When the temperature reaches 60-65°C, slowly add a mixture containing 40.0g butyl methacrylate, 30.0g methyl acrylate, and 10.0g octadecyl acrylate, and keep warm at 60-65°C for 30 minutes. Then, 3.2 g of magnesium carbonate was added, and the temperature was kept at 60-65° C. for 30-60 min. After the heat preservation is completed, slowly raise the temperature to 80°C and add 1.2g of dibenzoyl peroxide, keep the reaction at 80-85°C for 3 hours, then raise the temperature to 90°C, and continue the heat preservation reaction at 90-95°C for 3 hours. After the heat preservation is over, turn off the heating, cool down naturally to below 35°C, and filter out the material with an 80-mesh screen to obtain uniform and spherical resin particles.
[0050] Using deionized water and concentrated sulfuric ...
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