FIELD: tobacco goods.
SUBSTANCE: metal nanoparticles containing silver are applied with the help of magnetron sputtering onto filtering material of cigarette item filter. Metal particles size does not exceed 0.1 mcm, and silver content in these particles makes from 80% to 99.999%, iron content makes from 0.001% to 20%, aluminium content makes from 0.001% to 20%, copper content makes from 0.001% to 20%. Filtering material may additionally contain sorbate.
EFFECT: higher efficiency of aerosols and small dust particles filtration, extension of cigarette shelf life.
12 cl, 1 dwg, 2 ex
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