| 摘要 |
<p>The disclosure provides a coating composition comprising functionalized hollow silica particles, wherein the functionalized hollow silica particles are prepared by a process comprising: providing a core/shell silica particle comprising a template core particle and a silica treatment, wherein the core/shell silica particle has an outer surface; and wherein the silica treatment is prepared using a water-based silica precursor; creating a functionalized surface on the core/shell silica particle, wherein the functionalized surface is prepared using sulfonic acid, phosphonic esters, carboxylic acid, amines, epoxides, or boronic acids, and removing the template core particle to form a functionalized hollow silica particle. These coating compositions comprise inorganic hollow particles which are useful as hiding or opacifying agents.</p> |
