CORRECTNESS COMPOSITION Russian patent published in 1995 - IPC

FIELD: special chemical compositions. SUBSTANCE: correctness composition has, wt.-% polymeric vinyl acetate or acrylate dispersion or butadiene styrene latex (as dry matter) 7-15; titanium dioxide 20-30; chalk 15-20; sodium polyphosphate or tripolyphosphate or potassium tripolyphosphate 0.1-0.5; ethylene glycol or diethylene glycol 1-3; glycerol 1-3; hydrolyzed polyacrylonitrile at hydrolysis degree 80-94% (as dry matter) 0.2-1.0; carbamide 2-5, and water the rest. Composition is prepared in reactor supplied with mixer at preliminary pigment paste preparing. EFFECT: improved method of composition preparing. 2 tbl