A weather-resistant coating liquid, weather-resistant automotive glass and manufacturing method thereof
An automotive glass and manufacturing method technology, applied in the direction of coating, can solve the problems of good weather resistance, high visible light transmittance, good wear resistance, etc., and achieve improved alkali resistance, excellent wear resistance, and low VOC emissions. Effect
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Embodiment 1
[0061] Weigh 20g of absolute ethanol, 30g of isopropanol, 13.56g of ethyl orthosilicate, 5.18g of γ-methacryloxypropyl trimethoxysilane, 12.5g of deionized water, 0.1g of 10% by mass fraction Nitric acid was added to the beaker, and stirred in a water bath at 40°C for 60 minutes to obtain silica sol A1;
[0062] Weigh 10g of silica sol A1, 0.1g of fluorocarbon resin, 0.1g of DISPERBYK-171 and 0.1g of BYK-345, mix and stir for 120min to obtain weathering solution B1;
[0063] In a dust-free environment, take an appropriate amount of weather-resistant solution B1, and apply it on the surface of the cleaned curved glass substrate with a wire bar applicator, and let it stand for 20 minutes until the weather-resistant coating on the surface of the curved glass substrate is leveled , pre-dry the weather-resistant coating with an infrared lamp, then place the curved glass substrate with the weather-resistant coating at 120°C for 60 minutes, and take it out after the curved glass subs...
Embodiment 2
[0065] Weigh 50g of absolute ethanol, 10.45g of ethyl orthosilicate, 4.58g of γ-methacryloxypropyl trimethoxysilane, 10.5g of deionized water, and 0.08g of nitric acid with a mass fraction of 10% into the beaker, Stir in a water bath at 40°C for 60 minutes to obtain silica sol A2;
[0066] Weigh 10g of silica sol A2, 0.1g of fluorocarbon resin, 0.1g of DISPERBYK-171 and 0.1g of BYK-345, mix and stir for 120min to obtain weathering solution B2;
[0067] In a dust-free environment, take an appropriate amount of solution B2, and apply it on the surface of the cleaned curved glass substrate with a wire bar applicator, and let it stand for 20 minutes until the weather-resistant coating on the surface of the curved glass substrate is leveled , pre-dry the weather-resistant coating with an infrared lamp, then place the curved glass substrate with the weather-resistant coating at 120°C for 60 minutes, and take it out after the curved glass substrate naturally cools down to room temper...
Embodiment 3
[0069] Weigh 20g of absolute ethanol, 30g of isopropanol, 13.56g of ethyl orthosilicate, 5.18g of γ-methacryloxypropyltrimethoxysilane, 12.5g of deionized water, and 0.3g of acetic acid into a beaker, Stir in a water bath at 40°C for 60 minutes to obtain silica sol A3;
[0070] Weigh 10g of silica sol A3, 0.1g of fluorocarbon resin, 0.1g of DISPERBYK-171 and 0.1g of BYK-345, mix and stir for 120min to obtain weathering solution B3;
[0071] In a dust-free environment, take an appropriate amount of solution B3 and apply it on the surface of the cleaned curved glass substrate with a wire bar applicator, and let it stand for 20 minutes until the weather-resistant coating on the surface of the curved glass substrate is leveled , pre-dry the weather-resistant coating with an infrared lamp, then place the curved glass substrate with the weather-resistant coating at 120°C for 60 minutes to cure, and take it out after the curved glass substrate naturally cools down to room temperature...
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