FIELD: textiles, paper.
SUBSTANCE: invention relates to paper production. The method of preparing stable dispersion of the flocculated filler particles comprises stepwise addition of the first flocculating agent to the aqueous dispersion of the filler particles, followed by dispersion shear, adding to the dispersion of the second flocculating agent, and the subsequent shear of the filler flocculants received. The charge of the second flocculating agent is opposite the charge of the first flocculating agent. Then the colloidal borosilicate microparticles are added into the dispersion.
EFFECT: according to the invention the shear-resistant filler flocculants are obtained, having specific and adjustable particle distribution in size, which provides increased mechanical strength of the paper sheet.
8 cl, 1 dwg, 12 tbl, 21 ex
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