Anti-corrosion self-restoration paint
A self-repairing and coating technology, which is applied in the direction of anti-corrosion coatings, epoxy resin coatings, coatings, etc., can solve the problems of difficult scale production of nano-containers, and achieve a simple and easy-to-control preparation method, strong anti-corrosion performance, and low cost Effect
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[0039] Example 1
[0040] Disperse the synthesized polydivinylbenzene microspheres with a particle size of 1μm and carboxyl groups (pH response range is 6-10, and the loaded corrosion inhibitor can be released faster when the pH value rises) to 500g / L The corrosion inhibitor benzotriazole ethanol solution was mixed and stirred at 70°C for 10 hours, washed with deionized water and dried to prepare the self-repairing component. Add epoxy resin according to the total mass of 5% of the total paint, stir at 500 rpm for 10 minutes until the mixture is evenly mixed, then add the curing agent polyamide to the mixture, stir evenly and spray on the iron plate. The surface of the sprayed iron plate is flat and smooth as figure 1 As shown, figure 2 After 130h salt spray test (A) commercially available epoxy zinc-rich primer (B) self-made intelligent anti-corrosion self-healing paint in the scratch comparison chart, it can be seen that the self-healing epoxy primer significantly improves the...
Example Embodiment
[0041] Example 2
[0042] Disperse the synthesized polydivinylbenzene microspheres with a particle size of 1μm (pH response range is 6-9, and the loaded corrosion inhibitor can be released faster when the pH value rises) to 1000g / L In ethanol solution of corrosion inhibitor benzotriazole, mixed and stirred at 70°C for 24 hours, washed with deionized water and dried to prepare self-repairing components. Add epoxy resin according to 10% of the total coating mass, stir at 700 rpm for 30 minutes until the mixture is evenly mixed, then add the curing agent polyamide to the mixture, stir evenly, and apply to the iron plate. The surface of the coated iron plate is as smooth as image 3 As shown, Figure 4 After 180h salt spray test (A) commercially available epoxy zinc-rich primer (B) self-made intelligent anti-corrosion self-healing paint in the scratch comparison chart, it can be seen that the self-healing epoxy primer significantly improves the anti-corrosion performance of the coat...
Example Embodiment
[0043] Example 3
[0044] Disperse the synthesized polystyrene-based microspheres with a particle size of 0.1μm (pH response range is 6-9, and the loaded corrosion inhibitor can be released faster when the pH value rises) to 500g / L corrosion inhibitor In the ethanol solution of benzotriazole, mixed and stirred at 50°C for 10 hours, washed with deionized water and dried to prepare the self-repairing component. Add epoxy resin according to 5% mass ratio of the total paint, stir at 500 rpm for 10 minutes until the mixture is evenly mixed, then add the curing agent polyamide to the mixed solution, stir evenly and apply to the aluminum plate.
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