Application in pigments
Although organic pigments have bright colors and strong tinting power, their light resistance, heat resistance, solvent resistance and migration resistance are generally inferior to those of inorganic pigments. Researchers have added nano-SiO2 to modify the surface of organic pigments, which not only greatly improves the anti-aging performance of the pigments, but also improves the brightness, hue and saturation to a certain extent, greatly broadening the grade and application range of organic pigments.