WATER AND OIL REPELLENT COATING FILM AND ARTICLE CONTAINING SAME

摘要

The present invention pertains to a water and oil repellent coating film formed on the surface of a material in order to impart water repellency and oil repellency the coating film being characterized in that (1) the coating film contains metal oxide composite particles (2) the metal oxide composite particles contain a) metal oxide particles and b) a coating layer containing polyfluoroalkyl methacrylate resin formed on the surface thereof and (3) the value obtained by dividing the fluorine content (wt%) of the metal oxide composite particles by the surface area (m/g) of the metal oxide particles is 0.025 to 0.180.