COMPOSITION FOR SURFACE FINISHING OF LEATHER ARTICLES Russian patent published in 1997 - IPC

FIELD: finishing of leather articles. SUBSTANCE: polyether urethane on the base of polyether diol together with additive of polyfluorinated alcohols telomers (its common formula being where n=10, 12), colophony, hexamethylene tetramine, pigments and 1,3-dioxolane are mixed all together to prepare homogeneous solution. Quantities of said ingredients (mass %) are 15-20, 0.4-1.0, 0.5-1.2, 5.0-9.0 respectively. Quantity of mentioned above additive is 0.5-3.0 mass %. Said composition may also contain 0.4-0.5 mass % of oxyethylated higher fatty alcohols. Relative viscosity at 20 C is 30-100 s. EFFECT: improves quality of desired composition. 2 cl, 4 tbl