Solar photovoltaic panel with self-cleaning function
A solar photovoltaic panel and self-cleaning technology, which is applied in the field of solar photovoltaic panels, can solve problems such as cumbersome processes, and achieve the effect of improving hydrophobic performance, high hydrophobic performance and stain resistance
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[0015] Example 1:
[0016] The specific preparation process of fluorosiloxane resin is as follows:
[0017] Step 1: Add 13.8g of 3,4-dihydroxybenzaldehyde to 70mL of acetone solution, then add 14.14g of sodium trifluoride to it, stir to dissolve, then heat to 70-75°C, and then add 21g of trifluoroacetic anhydride to it , Reflux reaction for 7-8h, and then carry out vacuum distillation to obtain dihydroxy fluorinated benzoic acid;
[0018] Step 2: Add 24.8 g of dihydroxy fluorinated benzoic acid prepared in step 1 to 90 mL of pyridine solution, stir to dissolve, add 2.6 g of sodium hydroxide and 2 g of nano silica to it, and heat to 230-240°C for reflux reaction 15-17h, then carry out distillation to remove the solvent, add the obtained solid product into water, stir and mix for 2-3 minutes, and then carry out filtration, washing and drying to obtain the fluorosilylated monomer;
[0019] Step 3: Add 10g of the fluorosilylated monomer prepared in step 2 to 60mL of acetone solution, and...
Example Embodiment
[0020] Example 2:
[0021] The specific preparation process of polyfluoro resin is as follows:
[0022] Step 1: Add 13.8g of 3,4-dihydroxybenzaldehyde to 70mL of acetone solution, then add 14.14g of sodium trifluoride to it, stir to dissolve, then heat to 70-75°C, and then add 21g of trifluoroacetic anhydride to it , Reflux reaction for 7-8h, and then carry out vacuum distillation to obtain dihydroxy fluorinated benzoic acid;
[0023] Step 2: Add 10g of the dihydroxy fluorinated benzoic acid prepared in step 2 to 60mL of acetone solution, at the same time add 5.6g of azobisisobutyronitrile to it, heat up to 95-100℃, reflux for 2-3h, then heat up React at 120-125°C for 5-6 hours to obtain a resin solution.
Example Embodiment
[0024] Example 3:
[0025] A solar photovoltaic panel with self-cleaning function. The surface of the photovoltaic panel is coated with a layer of self-cleaning paint. The self-cleaning effect of the solar photovoltaic panel is realized through the performance of the self-cleaning paint. The specific preparation process of the self-cleaning paint is as follows:
[0026] In the first step, add 10 g of butyl titanate to 200 mL of ethanol solution, then add hydrochloric acid to adjust the pH=3, stir and react for 8-10 minutes, add 10 mL of distilled water to it, stir and mix for 2-3 minutes to obtain a colloidal solution;
[0027] In the second step, 38 g of the fluorosiloxane resin glue prepared in Example 1 and 1.1 g of the film-forming aid were added to 10 g of the colloidal solution prepared in the first step, and stirred and mixed for 3-5 minutes to obtain a coating.
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