Water-retention coating for a windscreen wiper blade, wiper blade provided with same and method for coating a blade with same

摘要

A coating for a rubber or elastomer wiper blade of a vehicle windscreen wiper, of the type comprising an additive for reducing the coefficient of friction between the blade and the window, characterised in that it comprises cavities with microscopic dimensions which open out outside the coating, which confers a hydrophilic character on it.