New Fluoroorganosilicone agents for Protection of Artworks from the Museum Kolomenskoye against adverse environmental impact

A procedure of hydrophobic treatment of different wood and white stone samples with Ftorsam-39 has been developed. Optimal results were achieved upon application of 3 - 5 weight % of Ftorsam-39 solutions in ethylacetate and its water-emulsion compositions in the course of two dimensional surface treatment with a paintbrush. With regard to stone samples the most pronounced hydrophobic effect was achieved in two weeks after treatment and remained unchanged within several years. Moss, fungi, and algae were not observed on top of the treatment objects. Hydrophobic properties of coating were found unaffected over the whole reviewed period for some years after applying Ftorsam-39 onto lime, oak, pine and birch samples. [PUBLICATION ABSTRACT]