COMPOSITION FOR PREPARING OF PIGMENT FORM OF PRINTING DYE Russian patent published in 1995 - IPC

FIELD: preparing of pronting dye. SUBSTANCE: in mixer for dry substances the following components were mixed, mas. p.: copolymer of vinyl chloride with vinyl acetate 100; oleic acid 1-3; silicon dioxide 1-5; plasticizer 30-50; calcium stearate 0.5-3, and pigment 40-70. Then pigment form is made on the mixing rolls. Film with stamp on the basis of pigment form shows resistance to the action of 5% NaCl, HCl and NaOH 4-5 scores. EFFECT: enhanced quality of composition. 1 tbl