Hydrophilic film, process for producing the same, and paint for formation of hydrophilic film

摘要

The present invention provides a hydrophilic film, which displays excellent hydrophilicity, and also displays excellent durability with respect to acidic, neutral, and alkaline detergents and chemicals. A hydrophilic film of the present invention comprises a double oxide of silicon and zirconium, an alkali metal, and water. Furthermore, the film may also comprise aluminum or a bivalent metal, and may also contain at least one of a silane coupling agent and an acrylic resin.