METHOD OF IMPROVING THE CORROSION RESISTANCE AND REDUCING THE FRICTION COEFFICIENT OF A METAL OR METAL FILM-COVERED SUBSTRATE AND USE OF SAID METHOD

摘要

The invention relates to a method of improving the corrosion resistance and reducing the friction coefficient of a metal or metal film-covered substrate. The inventive method consists in applying a coating to the aforementioned substrate, said coating comprising: a first layer which is obtained from one or a combination of partially-fluorinated alkanes bearing (i) at at least one end, a function that can adhere to the metal surface and (ii) a function that is compatible with a fluorinated lubricant; and a second surface layer which is obtained from a fluorinated lubricant.