FIELD: technological processes.
SUBSTANCE: invention relates to mineral composition with high adsorption capacity, which can be used as filler or coating agent for various substrates. Mineral composition contains calcium carbonate-based mineral particles. Calcium carbonate particles pressed in the form of a bed, are determined by volume average pore diameter from 0.01 to 0.04 mcm and polydispersity pore size, total specific pore volume of 0.1-0.3 cm3/g and monomodal grain size distribution of pores diameter.
EFFECT: proposed mineral composition has controlled pore size and by capillarity, to high adsorption capacity when used on substrates.
13 cl, 4 dwg, 6 tbl, 12 ex
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