| abstract |
Highly cohesive composite materials, formed of at least one polymer and at least one compound selected from among the mineral oxides, silicoaluminates and activated carbon, have:n a number median particle size of at least 150 μm; a pore volume (Vd1), constituted of pores of diameter ranging from 3.6 to 1000 nm, of at least 0.4 cm 3 /g; andn a cohesion index CI N , equal to the ratio (number median particle size after an air pressure stress of 4 bar)/(number median particle size without air pressure stress (0 bar)), greater than 0.40. Such composite materials are useful, e.g., as liquid supports, catalyst supports, additives or for liquid or gas filtration, in particular in cigarette filters. |