SILICATE DYE Russian patent published in 1995 - IPC

FIELD: building industry. SUBSTANCE: silicate dye has, sodium water glass at density 1.36 g/1,36 г/см³ and module 2.7-3.0 21.0-33.6; urea 2.3-3.7; butadiene-styrene latex 11.8-18.7; slime of electrochemical manufacture (as dry residue) 11.2-22.6, and water the rest. Slime of electrochemical manufacture has, Cu 0.2-2.1; Fe 0.7-6.0; Ni 0.01-0.36; Zn ≅ 0.08; Cr 0.03-0.05; Pb 0.01-0.07; Ca 21.5-26.0, and H₂O the rest. Working life is 120 days, water resistance after 24 h without changes, covering capability (as dry film) is 110-150 g/г/м², not more. Dye is used for internal finishing buildings. EFFECT: enhanced quality of dye. 1 tbl