FIELD: textile, paper.
SUBSTANCE: method of manufacture of paper with transparent sites of the specified form includes grinding fibrous raw materials based on cotton, preparing a suspension for sheet formation, introduction of a filler, dye and other additives to the suspension, paper web formation, applying the composition to the local sites of the paper to increase transparency and its curing. As a filler, aluminium silicate is introduced into the suspension, characterized by an average particle size of not more than 7 mcm, whiteness of at least 95%. As a colorant, a dark dye is added in an amount of not more than 0.001 by wt % of the weight of absolutely dry fiber to the colour coordinate L* not less than 90.
EFFECT: increased protection against falsification.
2 cl, 10 ex
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