Pearlescent coatings or pigments possess optical effects that not only serve decorative purposes (such as cosmetics, printed products, industrial coatings, or automotive paints), but also provide important functional roles, such as security printing or optical filters.
Example of a pearlescent coating.
- Maile, Frank J.; Pfaff, Gerhard; Reynders, Peter (2005). "Effect pigments—past, present and future". Progress in Organic Coatings. 54 (3): 150–163. doi:10.1016/j.porgcoat.2005.07.003.