Paint coated metal sheets

摘要

Paint coated metal sheets are provided by applying a paint film on a metal sheet wherein the paint film has a surface layer having a thickness of one-5000 angstroms. The paint film contains fluorine atoms and/or perfluoralkyl groups such as methyl fluoride, ethyl fluoride, the fluorine atoms and/or perfluoralkyl groups being introduced in the paint film by a plasma treatment.