Anti-corrosion coatings loaded with mesostructured particles
A mesoscopic structure and coating technology, applied in the field of coatings covering the aircraft fuselage, can solve the problems of not actually reflecting molecular diffusion, time-consuming, difficult to manufacture particles, etc.
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example 1
[0119] Example 1: use Synthesis of Submicron Mesostructured Particles Loaded with Benzotriazole (BTA)-Sol-Gel Catalyst Hydrochloric Acid (HCl) by B-290 Spray Dryer
[0120] In an 80 mL polypropylene vial, the following compounds were added sequentially under magnetic stirring (500 rpm): 6.54 g tetraethoxysilane (TEOS), 14.47 g absolute ethanol (EtOH), 16.95 g 0.1 N aqueous hydrochloric acid (HCl). The solution was then maintained at 25°C for 24-72 hours with stirring. After aging, 1.29 g of polyethylene glycol cetyl ether ( C10) and 0.75g BTA. Alternatively, 5.73 g of TEOS, 12.68 g of EtOH, and 19.81 g of 0.1 N aqueous hydrochloric acid (HCl) were added sequentially with stirring. The solution was then kept at 25°C for 24 hours with stirring. After aging, to the solution was added 1.13 g C10 and 0.66g BTA. Alternatively, 5.10 g of TEOS, 11.28 g of EtOH, and 22.03 g of 0.1 N aqueous hydrochloric acid (HCl) were added sequentially with stirring. The solution was then k...
example 2
[0121] Example 2: use Synthesis of Submicron Mesostructured Particles Loaded with Benzotriazole (BTA)-Sol-Gel Catalyst Acetic Acid (AcOH) by B-290 Spray Dryer
[0122] In an 80 mL polypropylene vial, the following compounds were added sequentially under magnetic stirring (500 rpm): 5.30 g TEOS, 18.35 g 0.1 N aqueous AcOH. The solution was then kept at 25°C for 24 hours with stirring. After aging, 1.00g C10 dissolved in 2g H 2 In a mixture of O and 3g EtOH, heating to 37°C for 5 minutes can promote Dissolution of C10 in a water-alcohol solution, and then the two solutions are mixed and stirred. Finally, 0.3 g of BTA was added to the solution. Alternatively, 5.30 g TEOS, 27.50 g 0.1N AcOH aqueous solution were added sequentially under stirring. The solution was then kept at 25°C for 24 hours with stirring. After aging, 0.90g C10 dissolved in 5 g EtOH, where heating to 40 °C for 15 min can promote C10 was dissolved, and the two solutions were mixed and stirred. Fin...
example 3
[0123] Example 3: use B-290 Spray Dryer Synthesis of Submicron Mesostructured Particles Loaded with 8-Hydroxyquinoline (8-HQ)-Sol-Gel Catalyst Hydrochloric Acid (HCl)
[0124] In an 80 mL polypropylene vial, the following compounds were added sequentially under magnetic stirring (500 rpm): 6.94 g TEOS, 7.68 g EtOH, 24.00 g 0.1 N aqueous HCl, and 1.37 g C10. The solution was then kept at 25°C for 48 hours with stirring. 1.45 g of 8-HQ was dissolved in 25 mL of 0.1 N aqueous HCl. The two solutions are then mixed and nebulized. Alternatively, 9.96 g of TEOS and 25.03 g of 0.1 N aqueous HCl were added sequentially, and the solution was maintained at 25° C. for 48 hours with stirring. After aging, 0.85 g of MTEOS was added to the solution. The solution was then stirred at 25°C for 6 hours. 1.54g C10 dissolved in 5g EtOH and 3g H 2 O in a water-alcohol mixture. The two solutions were then mixed and kept under stirring. 1.39 g of 8-HQ was added to the mixture, and 0.8 g ...
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