| abstract |
a) Aqueous dispersion of silica nanoparticles having a pH of less than 7.5 and an average particle size of 40 nm or less, b) an alkoxysilane oligomer, c) a silane coupling agent, and d) optionally a metal β-diketone complex A coating composition comprising an agent is provided. It is possible to prepare a coated article using the composition, the coating being substantially uniform in thickness, adhering to the substrate with high durability, hydrophilic and / or reflective to the substrate Prevents surface properties. |