TREATED INORGANIC PIGMENTS HAVING REDUCED PHOTOACTIVITY AND IMPROVED ANTI-MICROBIAL PROPERTIES AND THEIR USE IN COATING COMPOSITIONS

摘要

The disclosure provides a coating composition comprising a treated inorganic particle having reduced photoactivity and improved anti-microbial properties, wherein the treated inorganic particle comprises: an inorganic core particle; a first treatment of a silicon compound, wherein the silicon compound is added in a single step; and a second treatment comprising co-precipitated zinc oxide and alumina.