Works of art and cultural heritage made of bronze are exposed to everyday pollution present in an open or closed atmosphere. Therefore, they are subject to corrosion processes that can lead to changes in their appearance and stability as well as material deterioration, resulting in material costs for repair or replacement. Such objects are often covered with a patina that has aesthetic and/or historical value. The patina on bronze sculptures protects the base metal of the art object itself. The aim of this work was to investigate the possibility of protecting bronze and its patinat from corrosion caused by acid rain by self-assembled molecular layers of behenic acid. The tests were carried out in a solution simulating acid rain at pH 5. Behenic acid, C21H43COOH, also known as docosanoic acid, belongs to the long-chain saturated fatty acids. The samples were irradiated at a panoramic 60Co gamma irradiation source with the aim of inducing crosslinking of behenic acid self-assembled molecular layers. The stability of the obtained coatings in simulated acid rain were studied by electrochemical methods (Tafel extrapolation method and electrochemical impedance spectroscopy ), while the surfaces were characterization by Scanning electron microscope (SEM), Raman spectroscopy and contact angle measurements. The obtained results showed that the pure bronze sample covered with a cross-linked coating has the highest resistance to corrosion. The green patina samples covered with PNC show the best short-term corrosion protection. After irradiation in the UV chamber, it was observed that the coating was degraded in the samples covered with non-irradiated behenic acid, while the samples covered with the irradiated film remained stable.