A kind of water-based anti-graffiti paint
An anti-graffiti and coating technology, applied in the direction of coating, etc., can solve the problems that indoor wall coatings cannot be used, anti-graffiti materials are not environmentally friendly, and cannot prevent graffiti, so as to improve scrubability, scrub resistance, and enhancement The effect of wetting properties
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Embodiment 1
[0042] 1. Preparation of fluorine-containing nano-silica dispersion: Add 70 kg of deionized water into the mixer, and then add 20 kg of nano-silica, 5 kg of fluorine-containing surfactant, and dispersant under low-speed stirring (400rpm) 4 kg, 1 kg of defoamer, after high-speed dispersion for 30 minutes, add to the grinder for high-speed grinding (1000rpm), until the fineness is 5 μm, then filter to make a fluorine-containing nano-silica dispersion;
[0043] 2. Preparation of dispersion slurry: Add 200 kg of deionized water into the mixer, add 5 kg of dispersant, 2 kg of defoamer, 1 kg of wetting agent, 10 kg of film-forming aid, 175 kg of heavy calcium powder, 150 kg of titanium dioxide, high-speed dispersion (1000rpm) for 45 minutes, and filter to a fineness of 30 μm to make a dispersion slurry;
[0044] 3. Preparation of film-forming material: Add 300 kg of EVA emulsion, 150 kg of fluorosilicone resin, and 50 kg of coupling agent into a stirring tank and fully mix to form a...
Embodiment 2
[0047] 1. Preparation of fluorine-containing nano-silica dispersion: Add 65 kg of deionized water into the mixer, and then add 25 kg of nano-silica, 5 kg of fluorine-containing surfactant, and dispersant in turn under low-speed stirring (450rpm) 4 kg, 1 kg of defoamer, high-speed dispersion at 800 rpm for 45 minutes, then added to a grinder for high-speed grinding (1000 rpm), until the fineness is 5 μm, and then filtered to make a fluorine-containing nano-silica dispersion.
[0048] 2. Preparation of dispersion slurry: Add 250 kg of deionized water into the mixer, add 5 kg of dispersant, 2 kg of defoamer, 1 kg of wetting agent, 15 kg of film-forming aid, Heavy calcium powder 200kg, titanium dioxide 200kg, high-speed dispersion (1000rpm) for 45 minutes, until the fineness is 30μm and filtered to make dispersion slurry.
[0049]3. Preparation of film-forming material: Add 350 kg of EVA emulsion, 100 kg of fluorosilicone resin, and 50 kg of coupling agent into a stirring tank and...
Embodiment 3
[0052] 1. Preparation of fluorine-containing nano-silica dispersion: Add 40 kg of deionized water into the mixer, and then add 30 kg of nano-silica, 6 kg of fluorine-containing surfactant, and dispersant under low-speed stirring (450rpm) 4 kg, 0.75 kg of defoamer, high-speed dispersion at 1500 rpm for 15 minutes, then added to a grinder for high-speed grinding (1200 rpm), until the fineness is 5 μm, then filtered to make a fluorine-containing nano-silica dispersion.
[0053] 2. Preparation of dispersion slurry: Add 160 kg of deionized water into the mixer, add 6 kg of dispersant, 1 kg of defoamer, 0.9 kg of wetting agent, 18 kg of film-forming aid, 60 kg of heavy calcium powder, 60 kg of titanium dioxide, disperse at high speed (1000rpm) for 15 minutes, and filter to a fineness of 30 μm to make a dispersion slurry;
[0054] 3. Preparation of film-forming material: Add 200 kg of EVA emulsion, 200 kg of fluorosilicone resin, and 12 kg of coupling agent into a stirring tank and f...
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