Provided is a water-absorbing agent having an excellent ability to absorb and retain liquid and an excellent liquid suction power. The water-absorbing agent contains a polyacrylic acid (salt)-based water-absorbing resin as a main component and satisfies all of the following physical properties (a) to (e): (a) a weight average particle diameter (D50) is 300 μm or more and less than 400 μm; (b) a proportion of particles with a particle diameter of 600 μm or more and less than 850 μm is less than 10 weight %; (c) an average gap radius is 100 μm or more and less than 180 μm; (d) a CRC is 28 g/g or more and less than 34 g/g; and (e) an AAP is 24 g/g or more.

Provided is a water-absorbing agent having an excellent ability to absorb and retain liquid and an excellent liquid suction power. The water-absorbing agent contains a polyacrylic acid (salt)-based water-absorbing resin as a main component and satisfies all of the following physical properties (a) to (e): (a) a weight average particle diameter (D50) is 300 μm or more and less than 400 μm; (b) a proportion of particles with a particle diameter of 600 μm or more and less than 850 μm is less than 10 weight %; (c) an average gap radius is 100 μm or more and less than 180 μm; (d) a CRC is 28 g/g or more and less than 34 g/g; and (e) an AAP is 24 g/g or more.

A novel composition including at least one styrene-block copolymer, at least one plasticiser, and particles of a cross-linked polymer having a carboxylate-group density between 2.0 and 12.0 meq/g and an average pore size between 0.005 and 1.0 μm, usable in particular for creating an elastomer matrix suitable for any device of the type device for medical aims such as a patch, a film, a strip or a dressing, preferably a dressing, intended to be applied onto the skin or suitable for any device of the functional textile type such as a sports item.

A novel composition including at least one styrene-block copolymer, at least one plasticiser, and particles of a cross-linked polymer having a carboxylate-group density between 2.0 and 12.0 meq/g and an average pore size between 0.005 and 1.0 μm, usable in particular for creating an elastomer matrix suitable for any device of the type device for medical aims such as a patch, a film, a strip or a dressing, preferably a dressing, intended to be applied onto the skin or suitable for any device of the functional textile type such as a sports item.

A novel composition including at least one styrene-block copolymer, at least one plasticiser, and particles of a cross-linked polymer having a carboxylate-group density between 2.0 and 12.0 meq/g and an average pore size between 0.005 and 1.0 μm, usable in particular for creating an elastomer matrix suitable for any device of the type device for medical aims such as a patch, a film, a strip or a dressing, preferably a dressing, intended to be applied onto the skin or suitable for any device of the functional textile type such as a sports item.

Device comprising polyurethane material for indicating pH at a locus, preferably as indication of presence of microbes, comprising a polyurethane network having immobilised therein one or more hydrophilic copolymers, the or each said copolymer comprising: hydrophilic monomer; and indicator monomer, which provides an indication in response to a change in hydrophilic state of said hydrophilic monomer and/or copolymer; characterised in that the or each copolymer further comprises one or a plurality of ionisable groups or moieties or polymerisable monomers having one or more characteristic pKa values in the range 5 to 10 and which are responsive to pH at the locus in the range pH 5 to pH 10
and in that hydrophilic state of hydrophilic copolymer is dependent on ionisation of said ionisable groups, moieties or monomers; kit and device comprising the material and process for preparation thereof; and use in detecting or sensing microbes or pH.

Device comprising polyurethane material for indicating pH at a locus, preferably as indication of presence of microbes, comprising a polyurethane network having immobilised therein one or more hydrophilic copolymers, the or each said copolymer comprising: hydrophilic monomer; and indicator monomer, which provides an indication in response to a change in hydrophilic state of said hydrophilic monomer and/or copolymer; characterised in that the or each copolymer further comprises one or a plurality of ionisable groups or moieties or polymerisable monomers having one or more characteristic pKa values in the range 5 to 10 and which are responsive to pH at the locus in the range pH 5 to pH 10
and in that hydrophilic state of hydrophilic copolymer is dependent on ionisation of said ionisable groups, moieties or monomers; kit and device comprising the material and process for preparation thereof; and use in detecting or sensing microbes or pH.

Methods for manufacturing drug delivery systems are provided. The drug delivery systems may include a substrate coated with at least one polymer and at least one active compound. The substrate may include yarns, yarn precursors, threads, filaments, fibers, and/or other suitable substrates. The methods may include disposing a solution including a monomer and an active compound on the substrate. The methods may also include exposing the solution and the substrate to UV light to initiate polymerization of the solution.

Methods for manufacturing drug delivery systems are provided. The drug delivery systems may include a substrate coated with at least one polymer and at least one active compound. The substrate may include yarns, yarn precursors, threads, filaments, fibers, and/or other suitable substrates. The methods may include disposing a solution including a monomer and an active compound on the substrate. The methods may also include exposing the solution and the substrate to UV light to initiate polymerization of the solution.

Methods for manufacturing drug delivery systems are provided. The drug delivery systems may include a substrate coated with at least one polymer and at least one active compound. The substrate may include yarns, yarn precursors, threads, filaments, fibers, and/or other suitable substrates. The methods may include disposing a solution including a monomer and an active compound on the substrate. The methods may also include exposing the solution and the substrate to UV light to initiate polymerization of the solution.