HIGHLY COHESIVE COMPOSITE MATERIAL, METHOD OF ITS OBTAINING AND APPLICATION, IN PARTICULAR IN CIGARETTE FILTERS

摘要

FIELD: chemistry.;SUBSTANCE: invention relates to composite material, which is formed of polymer (P), which is acetylcellulose, and compounds (C), selected from precipitated silicon dioxide and mixture of precipitated silicon dioxide and activated carbon, as well as that it has average size of particles at least 150 mcm, pore volume, (Vd1) formed by pores with diameter 3.6-1000 nm, equal to at least 0.4 cm³/g, and cohesion index CIN, equal to ratio (number average particle size after impact of air pressure 4 bar)/(number average size of particles without impact with air pressure (0 bar)), higher than 0.40.;EFFECT: provision of gas and liquid filtration.;29 cl