PAPER FOR PRINTING, WRITING AND COPYING Russian patent published in 1995 - IPC

FIELD: paper industry. SUBSTANCE: paper is made of substrate containing, mas. p.: fibrous semifinished product 100; filler 0.7-40; starch binder 0.3-4; bactericidal agent - polydimethyldiallylammonium chloride 0.01-5; antistatic - chloride or bromide of alkaline or alkaline-earth metal or their mixture 0.005-10; optical whitener of stilbentriazinyl type 0.005-8, and violet color dye 0.0006-0.2. Substrate has filler, starch binder, polydimethyldiallylammonium chloride, antistatic and optical whitener in mass and/or on the surface, and violet color dye - in mass. Substrate can contain white color pigment on the surface. EFFECT: improved property and quality of paper. 2 cl, 1 tbl