FIELD: chemistry.
SUBSTANCE: material comprises a porous carrier material having pores with a diameter of less than 20 nm and carrying the additive particles on its outer surface, wherein the additive particles contain an additive and have a diameter greater than 20 nm, wherein the said additive particles are not located in the internal structure material of the porous carrier.
EFFECT: can function as an effective source of one or more additives, while the pores of the carrier material simultaneously function as an effective adsorbent for one or more compounds from the vapour phase of tobacco smoke.
13 cl, 1 tbl, 7 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| SMOKING PRODUCT FILTER | 2012 |
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RU2549064C2 |
