ABSORBENT PRODUCT CONTAINING NANOPOROUS SUPER-ABSORBENT PARTICLES Russian patent published in 2021 - IPC A61L15/60 

FIELD: nanoporous materials.

SUBSTANCE: absorbent product containing an absorbent element located between the upper sheet and the lower sheet. The absorbent element contains at least one layer having super-absorbent particles containing a pore network that includes a plurality of nanopores characterized by an average cross-sectional size of approximately 10 to approximately 500 nanometers, where the super-absorbent particles are characterized by a vortex lifetime of approximately 80 seconds or less, and the permeability of the gel layer in the free swelling state (GBP) of 5 darcy or more, 10 darcy or more, 60 darcy or more, or 90 darcy or more.

EFFECT: creation of a more efficient absorbent.

28 cl, 14 dwg, 4 tbl