FILTER MATERIAL AND FILTER FOR RETAINING POLYAROMATIC HYDROCARBONS, CARBONYL AND OTHER COMPOUNDS OF SMOKE FROM TOBACCO PRODUCTS Russian patent published in 2023 - IPC A24D3/16 C01B32/182 C01B32/198 C01B32/20 C01B32/30 B01J20/20 

FIELD: filter systems and materials.

SUBSTANCE: invention relates to the field of processes for producing a hybrid filter, which is mainly based on micro- and nanocarbon materials supported in porous polymer structures. The hybrid carbon-based material consists of micronized graphite, activated carbon and one or more of graphene oxide, graphene and multi-layer graphene sheets. These materials are bonded to a porous polyethylene backing. Moreover, the material has a specific surface area of more than 900 m²/g. The invention also relates to a filter containing said material and to a method for producing such material.

EFFECT: high selectivity and efficiency in filtering volatile compounds.

3 cl, 5 dwg, 3 tbl, 3 ex