Self-cleaning coating material for castings and preparation method thereof
A coating material and self-cleaning technology, applied in coatings, anti-corrosion coatings, anti-fouling/underwater coatings, etc., can solve the problems of poor self-cleaning, low adhesion, falling off, etc., and achieve improved pollution resistance and improved Scratch resistance and the effect of maintaining stability
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Embodiment 1
[0030] A self-cleaning coating material for castings, prepared from the following raw materials in parts by weight: 50 parts of modified acrylic resin, 14 parts of polytetrafluoroethylene emulsion, 6 parts of trimethylolpropane oleate, 4 parts of nano-titanium dioxide 3 parts, 3 parts of nano-silicon carbide, 4.2 parts of nano-zinc oxide, 3.5 parts of nano-cerium oxide, 2 parts of γ-aminopropyltriethoxysilane, 3.2 parts of 2-hydroxy-4-methoxybenzophenone, mixed 2 parts of antioxidant, 1.2 parts of dodecyl 3-(2,2,6,6-tetramethylpiperidine 4-amino)propionate, 1.8 parts of tris(2-hydroxyethyl)isocyanurate, 1.6 parts of antibacterial and antifungal agent, 0.7 parts of leveling agent EFKA-3772, and 15 parts of thinner.
[0031] The mixed antioxidant is antioxidant 168 and antioxidant 1010 with a mass ratio of 1:1.
[0032] The antibacterial and antifungal agent is copper pyrithione.
[0033] The diluent is benzotrifluoride.
[0034] The particle size of the nano-titanium dioxide...
Embodiment 2
[0042] A self-cleaning coating material for castings, prepared from the following raw materials in parts by weight: 40 parts of modified acrylic resin, 10 parts of polytetrafluoroethylene emulsion, 4 parts of trimethylolpropane oleate, 3 parts of nano-titanium dioxide 2 parts, 2 parts of nano-silicon carbide, 2.5 parts of nano-zinc oxide, 2 parts of nano-cerium oxide, 1 part of γ-aminopropyltriethoxysilane, 1.5 parts of 2-hydroxy-4-methoxybenzophenone, mixed 1 part of antioxidant, 0.5 part of dodecyl 3-(2,2,6,6-tetramethylpiperidine 4-amino)propionate, 1 part of tris(2-hydroxyethyl)isocyanurate, 0.8 parts of antibacterial and antifungal agent, 0.3 parts of leveling agent EFKA-3772, and 10 parts of thinner.
[0043] The mixed antioxidant is antioxidant 168 and antioxidant 1010 with a mass ratio of 1:1.
[0044] The antibacterial and antifungal agent is copper pyrithione.
[0045] The diluent is benzotrifluoride.
[0046] The particle size of the nano-titanium dioxide, nano-s...
Embodiment 3
[0054] A self-cleaning coating material for castings, prepared from the following raw materials in parts by weight: 45 parts of modified acrylic resin, 12 parts of polytetrafluoroethylene emulsion, 5 parts of trimethylolpropane oleate, 3.5 parts of nano titanium dioxide 2.5 parts of nano-silicon carbide, 3 parts of nano-zinc oxide, 3 parts of nano-cerium oxide, 1.5 parts of γ-aminopropyltriethoxysilane, 2 parts of 2-hydroxy-4-methoxybenzophenone, mixed 1.5 parts of antioxidant, 1 part of dodecyl 3-(2,2,6,6-tetramethylpiperidine 4-amino)propionate, 1.5 parts of tris(2-hydroxyethyl)isocyanurate, Antibacterial and antifungal agent 1.5 parts, leveling agent EFKA-3772 0.5 parts, thinner 12 parts.
[0055] The mixed antioxidant is antioxidant 168 and antioxidant 1010 with a mass ratio of 1:1.
[0056] The antibacterial and antifungal agent is copper pyrithione.
[0057] The diluent is benzotrifluoride.
[0058] The particle size of the nano-titanium dioxide, nano-silicon carbide,...
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