A kind of antifouling paint and preparation method and application thereof
A paint and anti-graffiti technology, applied in the direction of coating, etc., can solve the problems of reducing surface energy, which is not conducive to the adhesion of graffiti paint, and achieve good transparency, good expandability, non-toxic and harmless biocompatibility Effect
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Embodiment 1
[0050] First, an appropriate amount of hydroxysilicone oil was added to the flask, and the mixture was stirred and heated at 100 °C for 1 h. After cooling to 30 °C, the silane coupling agent methyltrimethoxysiloxane was added to the flask according to the mass ratio of hydroxy silicone oil: silane coupling agent to 1:1, and the temperature was raised to 70 °C for 1 h. Under the condition of 70°C, according to the mass ratio of hydroxyl silicone oil: auxiliary agent of 1:0.05, the auxiliary agent triethylamine was added to the flask, and stirred for 1 h. According to the hydroxyl silicone oil:catalyst mass ratio of 1:0.001, the catalyst dibutyltin dilaurate was added into the flask, and stirred for 1 hour to obtain an antifouling paint. Take out and paint on the 7.3*7.3cm ceramic substrate, and finally get the anti-graffiti coating.
Embodiment 2
[0052] First, an appropriate amount of hydroxysilicone oil was added to the flask, and the mixture was stirred and heated at 100 °C for 1 h. After cooling to 30 °C, the silane coupling agent methyltrimethoxysiloxane was added to the flask according to the mass ratio of hydroxy silicone oil: silane coupling agent to 2:1, and the temperature was raised to 70 °C for 1 h. Add the auxiliary triethylamine into the flask according to the hydroxyl silicone oil: auxiliary mass ratio of 1:0.1, and stir for 1 h. The catalyst, dibutyltin dilaurate, was added to the flask according to the mass ratio of hydroxyl silicone oil:catalyst of 1:0.01, and stirred for 1 hour to obtain an antifouling paint. Take out and paint on the substrate, and finally get the anti-graffiti coating.
Embodiment 3
[0054] First, an appropriate amount of hydroxysilicone oil was added to the flask, and the mixture was stirred and heated at 100 °C for 1 h. After cooling to 30 °C, the silane coupling agent methyltrimethoxysiloxane was added to the flask according to the mass ratio of hydroxy silicone oil: silane coupling agent to 3:1, and the temperature was raised to 70 °C for 1 h. Add the auxiliary triethylamine into the flask according to the hydroxyl silicone oil: auxiliary mass ratio of 1:0.1, and stir for 1 h. According to the hydroxyl silicone oil: the catalyst mass ratio of 1:0.05, the catalyst stannous octoate was added to the flask, and stirred for 1 h to obtain an antifouling paint. Take out and paint on the substrate, and finally get the anti-graffiti coating.
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