FIELD: tobacco goods.
SUBSTANCE: filter contains activated charcoal, in which volume of pores of maximum of 0.3 cm3/g (N2) is provided with pores of diameter of less than 2 nm (micropores), and (a) volume of pores of at least 0.25 cm3/g (N2) is provided with pores of diameter from 2 to 50 nm (mesopores) and/or (b) volume of pores of at least 0.12 cm3/g (Hg) is provided with pores of diameter from 7 to 50 nm (larger mesopores).
EFFECT: filter provides satisfactory filtration of steam phase and presentation of aroma in the presence of volatile.
21 cl, 2 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| METHODS OF INCREASING QUANTITY OF MESOPORES IN MICROPOROUS COAL | 2010 |
|
RU2538257C2 |
| POROUS CARBON MATERIALS, SMOKING DEVICES AND FILTERS THEREOF CONTAINING SUCH MATERIALS | 2006 |
|
RU2407409C2 |
| SMOKE FILTRATION | 2010 |
|
RU2549064C2 |
| SMOKING PRODUCT FILTER | 2012 |
|
RU2572168C2 |
| POROUS COAL AND METHODS FOR PRODUCTION THEREOF | 2012 |
|
RU2602116C2 |
| METHOD FOR PRODUCTION OF FILTER FOR TOBACCO SMOKE FILTERING | 2011 |
|
RU2562285C2 |
| MATERIALS RELEASING ADDITIVES | 2014 |
|
RU2637206C2 |
| ACTIVATED CARBON FOR SMOKING ARTICLES | 2015 |
|
RU2678898C2 |
| MATERIALS OF ADSORBENTS | 2014 |
|
RU2633273C1 |
| ACTIVATED CARBON FROM MICROCRYSTALLINE CELLULOSE | 2008 |
|
RU2480407C2 |
