WATER SOLUBLE PRINTING INK Russian patent published in 1997 - IPC

FIELD: paper industry. SUBSTANCE: printing ink comprises (%): 5-14 pigment; 12- 15.4 butadiene-styrene latex (by dry matter); 7.8-10.2 aqueous anion active dispersion (by dry matter); 7.8-10.2 protein varnish (by dry matter); 6.0-11.5 aqueous ceresine paste (by dry matter); 0.6-1.8 aqueous oligoethyl hydride siloxane emulsion (by dry matter); 1-3 ethylene glycol or butyl carbitol, and the water balance. Printing ink makes it possible to obtain imprints which are highly resistant to wet attrition and to aqueous impregnating composition. Printing ink prevents formation of water insoluble ink film onto equipment and during storage, is resistant to impregnating composition and suitable for manufacturing product which may not be coated with varnish. EFFECT: improved properties of the printing ink. 3 tbl