SILICATE DYE Russian patent published in 1994 - IPC

FIELD: building industry. SUBSTANCE: due contains, % : sodium liquid glass (having density 1.40-1.45g/cm³ and viscosity 20-30 s) modified by tetraethoxysilane 25.0-26.0, zinc oxide 6.0-9.0, talk 9.0-11.0, aerosil 0.3-0.6, emulsion of organic polymer 6.0-9.0, sodium hexamethaphosphate 0.1-0.11, boron or silicium potassium tetrafluoride 0.1-0.3, surface active substance 0.1-0.3, copolymer of sodium methacrylate ( 50 mol% ) and amide of methacryl acid ( 50 mol% ) 0.5-2.0, water- up to 100% . Thus prepared dye has: water resistance 300 days, cold resistance 25 cycles, strength 50kgs/m². Viability of dye by storage is 6 months. EFFECT: improves dye quality. 2 tbl