abstract |
FIELD: paper industry. n SUBSTANCE: invention relates to pulp and paper industry. Method comprises introducing fillers, anionic polysaccharides and cationic agents into a mixing zone to form a filler composition. Obtained filler composition is introduced by means of a pump into an aqueous suspension comprising cellulosic fibres and dehydrated. n EFFECT: invention improves control of thickness and strength properties of paper and cardboard. n 25 cl, 1 tbl, 1 ex |