- Synthesis of water- and oil-repellent organofluorosilicon compounds
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We have synthesised organofluorosilicon compounds that impart higher water- and oil-repellent properties to construction materials than known organosilicon compounds.
- Yarosh, Alexander A.,Krukovsky, Stanislav P.,Pryakhina, Tatiana A.,Kotov, Valery M.,Zavin, Boris G.,Sakharov, Alexey M.
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- Synthesis and properties of fluorosilicon compounds for protection of cultural monuments from harmful environmental exposure
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Methods for the synthesis of perfluorocarboxylic acid derivatives with reactive trialkoxysilyl groups soluble in organic and organofluorine (1,1,2-trichlorotrif1uoroethane, etc.) solvents have been developed. The contact angles of water and decalin, water absorption, resistance to freezing, and salt-resistance of limestone and plaster samples treated with these compounds were determined. Fluorosilicon organic compounds impart more hydro- and oleophobic properties to the protected surfaces than known organosilicon agents and reliably protect sculptures and architectural monuments from mold and algae deposition.
- Yarosh,Krukovsky,Sakharov,Popovich,Kotov,Pryakhina
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