Anti-scraping and anti-fog automobile rearview mirror and preparation method thereof

The invention relates to the technical field of anti-fog rearview mirrors, in particular to an anti-scraping and anti-fog automobile rearview mirror and a preparation method thereof. The method comprises the following steps: step 1, putting a rearview mirror basic lens into a piranha solution, soaking for 8-12 hours at room temperature, washing with deionized water, and blow-drying with nitrogen; obtaining a preprocessed lens body; step 2, sequentially adding acidic silica sol, pyrrolidone siloxane and sodium pyrrolidone sulfonate into deionized water, and stirring and homogenizing at room temperature; adding hydrochloric acid and uniformly stirring; sequentially adding water-based polyacrylic resin and tetraethyl silicate, heating to 50-60 DEG C, and stirring for 10-12 hours, so as to obtain an anti-scraping and anti-fogging liquid; step 3, uniformly spraying an anti-scraping and anti-fog liquid on the surface of the pretreated mirror body, and curing at room temperature for 24 hours to form an anti-fog comp