A sorbent suitable for sorbing aldehydes includes acidified zeolite impregnated with a urea-based compound, the acidified zeolite having a pore opening of 5 Å or greater and a molar ratio of silicate to aluminate of at least 1.1:1. The sorbent may be prepared by impregnating acidified zeolite with a solution of a urea-based compound, where the acidified zeolite includes proton counterions. The sorbent may be supported on a filter support to provide an air filter.

An absorbent article includes an absorbent member positioned between a topsheet and a backsheet. The absorbent member contains at least one layer that includes superabsorbent particles containing a porous network that includes a plurality of nanopores having an average cross-sectional dimension of from about 10 to about 500 nanometers, wherein the superabsorbent particles exhibit a Vortex Time of about 80 seconds or less and a free swell gel bed permeability (GBP) of 5 darcys or more, of 10 darcys or more, of 60 darcys or more, or of 90 darcys or more.

The present invention relates to the field of water treatment/fluoride removal and to materials/devices useful in such processes. Specifically, the invention provides for hybrid materials comprising amyloid fibrils and ZrO2; and to composite materials further comprising a support material. The invention further provides for the treatment of water using such hybrid or composite materials.

A nonwoven fabric and a method of production of said nonwoven fabric are disclosed, wherein the nonwovens fabric comprises at least one layer, said layer comprising endless filaments, —which comprise at least a first polymeric material (A) and a second polymeric material (B) having its melting point lower than the first polymeric material A, —wherein the second polymeric material (B) extends in the longitudinal direction of the filament and forms at least a part of the surface of the filament and—the at least one layer of endless filaments comprises filament-to-filament bonds formed of the second polymeric material (B), wherein all components of the filaments are arranged across the cross-section of the filament in a non-crimpable configuration and the nonwoven fabric has a structural softness of at least 80 (m.sup.4 mm.sup.2 g.sup.−2).

A water-absorbent resin (21) has a shape in which a plurality of particles (40) having a substantially spherical shape is connected in a chain shape.

A hollow fiber that generally extends in a longitudinal direction is provided. The hollow fiber comprises a hollow cavity that extends along at least a portion of the fiber in the longitudinal direction. The cavity is defined by an interior wall that is formed front a thermoplastic composition containing a continuous phase that includes a polyolefin matrix polymer and a nanoinclusion additive dispersed within the continuous phase in the form of discrete domains. A porous network is defined in the composition that includes a plurality of nanopores.

A liquid absorber includes a plurality of small chips. Individual ones of the small chips include a first substrate containing fibers, a second substrate containing fibers, and an absorbent resin supported between the first substrate and the second substrate. The first substrate contains an ion scavenger.

The present disclosure relates to hydrocarbon emission control systems. More specifically, the present disclosure relates to substrates coated with hydrocarbon adsorptive coating compositions, air intake systems, and evaporative emission control systems for controlling evaporative emissions of hydrocarbons from motor vehicle engines and fuel systems.

A method for reducing odor, by providing a colloidal dispersion of particles of silica having a particle size of from 3 nm to 100 nm, said particles having ions of one or more metals selected from copper, silver, zinc and iron adsorbed at the particle surface, and bringing at least one of said particles into contact with an odorous compound; and/or providing an aqueous silicate solution containing metal ions selected from ions of copper, silver, zinc and iron, and bringing at least one metal ion-carrying silicate particle formed in the solution into contact with an odorous compound. A composition for use in such a method and a product treated by such a composition.

A solid adsorbent fiber includes a solid support fiber that is enveloped by a solidified polymeric binder and also adsorbent particles.