Method for preparing KM-SiO2 (at) PDA (at) MoS2 wear-resistant super-hydrophobic coating by using slag
A super-hydrophobic coating and slag technology, applied in coatings, polyurea/polyurethane coatings, sustainable waste treatment, etc., to achieve the effects of reducing environmental pollution, improving wear resistance, and enhancing binding force
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Embodiment 1
[0033] (1) KH560 and MTES were mixed evenly according to the material ratio of 0.5:1, then added an appropriate amount of ethanol and deionized water and stirred for 10 minutes, adjusted the pH to 4 with 1mol / L HCl, and finally heated and stirred at 50°C for 3 hours to obtain a silicone oligomer . The slag dissolves into the water and the solution is removed leaving a precipitate. Add ethanol to the precipitate, stir ultrasonically to form a uniform suspension, add silicone oligomer modifier according to the mass ratio of silicon dioxide and silicone oligomer modifier at 1:3, and stir in a water bath at 80°C for a period of time 3 h, washed and dried to obtain KS particles.
[0034] (2) Preparation of composite coating: Weigh 0.2 g of KS and disperse it in 4 mL of ethanol, and stir until a uniform solution is formed. Weigh 0.1g of PU in 4 mL of ethyl acetate, and ultrasonically disperse it into a milky white sol. Mix the two, stir at 50 °C for 12 h to form a uniform dispers...
Embodiment 2
[0036] (1) KH560 and MTES were mixed evenly according to the material ratio of 0.5:1, then added an appropriate amount of ethanol and deionized water and stirred for 10 minutes, adjusted the pH to 4 with 1mol / L HCl, and finally heated and stirred at 50°C for 3 hours to obtain a silicone oligomer . The slag dissolves into the water and the solution is removed leaving a precipitate. Add ethanol to the precipitate, stir ultrasonically to form a uniform suspension, add silicone oligomer modifier according to the mass ratio of silicon dioxide and silicone oligomer modifier at 1:3, and stir in a water bath at 80°C for a period of time 3 h, washed and dried to obtain KS particles.
[0037] (2) Prepare 10mM Tris buffer solution and adjust the pH to 8.5 with hydrochloric acid. Dissolve 0.1 g of KS in 4 mL of ethanol, sonicate for 30 min to form a homogeneous solution, add it to the buffer, and stir evenly. Then 2 mg / mL dopamine hydrochloride was added to the mixed solution, stirred ...
Embodiment 3
[0041] 1) KH560 and MTES were mixed evenly according to the mass ratio of 0.5:1, then added an appropriate amount of ethanol and deionized water and stirred for 10 minutes, adjusted the pH to 4 with 1mol / L HCl, and finally heated and stirred at 50°C for 3 hours to obtain a silicone oligomer. The slag dissolves into the water and the solution is removed leaving a precipitate. Add ethanol to the precipitate, stir ultrasonically to form a uniform suspension, add silicone oligomer modifier according to the mass ratio of silicon dioxide and silicone oligomer modifier at 1:3, and stir in a water bath at 80°C for a period of time 3 h, washed and dried to obtain KS particles.
[0042] (2) Prepare 10 mM Tris buffer solution and adjust the pH to 8.5 with hydrochloric acid. Dissolve 0.1 g of KS in 4 mL of ethanol, sonicate for 30 min to form a homogeneous solution, add it to the buffer, and stir evenly. Then 2 mg / mL dopamine hydrochloride was added to the mixed solution, stirred at roo...
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