1100℃-1350℃ multi-color irreversible temperature display coating
A temperature-indicating paint and coating technology, applied in the direction of heat-sensitive paint, thermometers with physical/chemical changes, coatings, etc., can solve the problem that the anti-erosion performance cannot meet the requirements, and achieve good temperature resistance and good resistance to air scouring. Effect
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Embodiment 1
[0034] Weigh 17g of silicone resin 1053 (50%), 19.5g of acrylic resin BS1880 (50%), 26g of xylene, 10g of butyl acetate, stir well, and then add 9.9g of reagent silica and 4.3g of aluminum oxide in sequence , Cobalt trioxide 16.0g, toluidine red 0.5g, stir while feeding to make a color paste, send the prepared color paste to a ball mill, grind and disperse, measure the fineness to less than 25μm with a scraper fineness meter, Filter the package to obtain a red paint.
[0035] Prepare the paint film on a 200×200mm high-temperature alloy steel plate according to the “General Preparation Method of Paint Film” (GB1727-79). After the paint film is completely dry, it is ablated with an oxyacetylene flame for 3 minutes. Naturally cooled to room temperature, it can be seen that the discoloration temperature of the coating from the low temperature zone to the high temperature zone is red-brown-black (185℃), brown-black-light pink (850℃), light pink-blue (1100℃), blue- Navy blue (1180℃), ...
Embodiment 2
[0037] Weigh 20g of silicone resin DC805 (50%), 20g of acrylic resin BS2150 (50%), 20g of xylene, 15g of butyl acetate, stir well, and then add 4.8g of reagent silica, 9.8g of kaolin, and 28.5 of cobalt oxalate. g. 1.0g of toluidine purple red, stir while feeding to make a color paste, send the prepared color paste to a ball mill, grind and disperse, measure the fineness to less than 25μm with a scraper fineness meter, filter and package, and get the color Rose red paint.
[0038] Prepare the paint film on a 200×200mm high-temperature alloy steel plate according to the “General Preparation Method of Paint Film” (GB1727-79). After the paint film is completely dry, it is ablated with an oxyacetylene flame for 3 minutes. Naturally cooled to room temperature, it can be seen that the discoloration temperature of the coating from the low temperature zone to the high temperature zone is rose red-brown-black (185℃), brown-black-light pink (850℃), light pink-blue (1100℃), blue -Navy blue...
Embodiment 3
[0040] Weigh 14g of silicone resin DC805 (50%), 24g of acrylic resin BS2350 (50%), 18g of xylene and 14g of butyl acetate, stir well, and then add 5.4g of reagent quartz sand, 9.8g of kaolin, and 32.2g of cobalt sulfate. , Toluidine red 0.8g, stir while feeding to make a color paste, send the prepared color paste to a ball mill, grind and disperse, measure the fineness to less than 25μm with a scraper fineness meter, filter and pack, and get the color rose Red paint.
[0041] Prepare the paint film on a 200×200mm high-temperature alloy steel plate according to the “General Preparation Method of Paint Film” (GB1727-79). After the paint film is completely dry, it is ablated with an oxyacetylene flame for 3 minutes. Naturally cooled to room temperature, it can be seen that the color change temperature of the coating from the low temperature zone to the high temperature zone is red-brown-black (185℃), brown-black-light pink (850℃), light pink-blue (1100℃), blue- Navy blue (1160℃), N...
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