Automatic indoor humidity adjusting coating
An automatic adjustment and indoor humidity technology, applied in the field of coatings, can solve problems such as toxicity, and achieve the effect of long effective service life and significant economic and social benefits
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Embodiment 1
[0052] Put 5 parts of silica sol into the stirring tank, add 1 part of coupling agent, 0.2 part of dispersant, 0.2 part of defoamer, and 5 parts of propylene glycol under stirring at 600rpm for 20min, and then stand for 24h for later use;
[0053] Add 8 parts of water into the dispersing kettle, add 0.2 parts of dispersant and 0.2 parts of defoamer under stirring at 500 rpm, and then add 7 parts of nano photocatalytic powder, 10 parts of pigments and fillers and 15 parts in turn after stirring evenly. Part of attapulgite, adjust the speed to 2500rpm and disperse for 30min at high speed, then grind into slurry by sand mill;
[0054] Add 45 parts of pure acrylic emulsion, pretreated silica sol and the remaining defoamer to the sand-milled slurry, adjust the speed to 1000rpm and stir for 10 minutes, then add 1 part of leveling agent, and continue stirring for 10 minutes. , Reduce the speed to 600rpm, use a pH regulator to adjust the pH to about 8.0, filter and pack.
Embodiment 2
[0056] Add 2 parts of silica sol into the stirring tank, add 0.5 parts of coupling agent, 0.2 parts of dispersant, 0.2 parts of defoamer, and 2 parts of propylene glycol under stirring at 600rpm for 15min, and then stand for 24h until use;
[0057] Add 12 parts of water into the dispersing kettle, add 3 parts of propylene glycol, 0.2 parts of dispersant, and 0.2 parts of defoamer under stirring at 500 rpm. After stirring, add 5 parts of nano photocatalytic powder and 10 parts in turn The pigments and fillers and 10 parts of diatomaceous earth, adjust the rotation speed to 2000rpm and high-speed dispersion for 30min, then grind into slurry by sand mill;
[0058] Add 35 parts of silicone acrylic emulsion, pretreated silica sol and the remaining defoamer to the sand-milled slurry, adjust the speed to 1200rpm and stir for 10 minutes, then add 0.8 parts of leveling agent, and continue stirring for 10 minutes. , Reduce the speed to 600rpm, use a pH regulator to adjust the pH to about 8.0...
Embodiment 3
[0060] Add 10 parts of water and 5 parts of propylene glycol to the dispersing kettle, add 0.4 parts of dispersant and 0.3 parts of defoamer under stirring at 500 rpm, and then add 5 parts of nano photocatalytic powder and 15 parts of defoamer in turn after stirring. Pigments and fillers and 5 parts of attapulgite, adjust the rotating speed to 2000rpm and disperse for 20min at high speed, then grind into slurry by sand mill;
[0061] Add 20 parts of polymer emulsion, pretreated silica sol and remaining defoamer to the sand-milled slurry, adjust the speed to 800rpm and stir for 10 minutes, then add 0.5 part of leveling agent, and continue stirring for 10 minutes , Reduce the speed to 600rpm, use a pH regulator to adjust the pH to about 8.0, filter and pack.
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