Adhesives, particularly reversible adhesives, reversible adhesive hydrogel meshes and polymer formulations that may be used in preparation of the reversible adhesive hydrogel meshes are disclosed. The polymer formulations may comprise a reversible monomer of a reversible adhesive polymer, acrylic acid (AA), an acrylate cross-linker, a photo-initiator for free radical polymerization, and a solvent. The disclosure also relates to a wound dressing comprising the reversible adhesive hydrogel meshes. Such wound dressings are particularly suitable for treatment of damaged sensitive tissue, for example, wounds formed on a fragile skin.

Provided is a method of manufacturing an electrolyte for dye-sensitized solar cells, the method including: preparing a hydrogel membrane; immersing the hydrogel membrane in an electrolyzing solution containing iodine or iodide such that the hydrogel membrane is impregnated with iodide ions; and drying the hydrogel membrane.

Provided is a method of manufacturing an electrolyte for dye-sensitized solar cells, the method including: preparing a hydrogel membrane; immersing the hydrogel membrane in an electrolyzing solution containing iodine or iodide such that the hydrogel membrane is impregnated with iodide ions; and drying the hydrogel membrane.

The present disclosure provides a three-dimensional hydrogel-graphene-based biosensor and a preparation method thereof, belonging to the technical field of biosensors. The present disclosure provides a three-dimensional hydrogel-graphene-based biosensor, including a substrate, an electrode layer, a graphene film, and a three-dimensional hydrogel material layer that are stacked in sequence; where the three-dimensional hydrogel material layer is formed of a hydrogel material having a three-dimensional network structure; the hydrogel material is obtained by polymerization of raw materials including an acrylamide monomer and a modified probe molecule; and the modified probe molecule is a probe molecule modified with an acrylamide group. The three-dimensional hydrogel-graphene-based biosensor has a desirable stability and a high sensitivity.

The present disclosure provides a three-dimensional hydrogel-graphene-based biosensor and a preparation method thereof, belonging to the technical field of biosensors. The present disclosure provides a three-dimensional hydrogel-graphene-based biosensor, including a substrate, an electrode layer, a graphene film, and a three-dimensional hydrogel material layer that are stacked in sequence; where the three-dimensional hydrogel material layer is formed of a hydrogel material having a three-dimensional network structure; the hydrogel material is obtained by polymerization of raw materials including an acrylamide monomer and a modified probe molecule; and the modified probe molecule is a probe molecule modified with an acrylamide group. The three-dimensional hydrogel-graphene-based biosensor has a desirable stability and a high sensitivity.

The present invention relates to a latex comprising a crosslinked polymer, the polymer comprising 20 to 45 wt % of (meth)acrylic acid monomer units, 35 to 78 wt % of methylacrylate and/or ethylacrylate monomer units, 0 to 30 wt % of monomer units of at least one linear alkyl acrylate, the linear alkyl comprising 3 to 9 carbon atoms, characterized in that the polymer is crosslinked with N-methylenebisacrylamide. The latex according to the invention helps thicken a composition for hair and/or skin care having a pH of between 3.5 and 5.5.

The present invention relates to a latex comprising a crosslinked polymer, the polymer comprising 20 to 45 wt % of (meth)acrylic acid monomer units, 35 to 78 wt % of methylacrylate and/or ethylacrylate monomer units, 0 to 30 wt % of monomer units of at least one linear alkyl acrylate, the linear alkyl comprising 3 to 9 carbon atoms, characterized in that the polymer is crosslinked with N-methylenebisacrylamide. The latex according to the invention helps thicken a composition for hair and/or skin care having a pH of between 3.5 and 5.5.

The present invention is related to water-swellable polymer particles which contain a hydrophilic base polymer (B) and a hydrophobic polymer (P). It is also related to a process for producing the water-swellable polymer particles, an article containing the water-swellable polymer particles and the use of the water-swellable polymer particles.

The present invention relates to a composite material, in particular a switchable functional material, comprising (a) a porous carrier material and a swellable material, a method for its preparation and its use in coatings. The composite material is suitable for the production of water-repellent and water-vapor diffusion-open coatings, as well as the use of the composite material.

The present invention relates to a composite material, in particular a switchable functional material, comprising (a) a porous carrier material and a swellable material, a method for its preparation and its use in coatings. The composite material is suitable for the production of water-repellent and water-vapor diffusion-open coatings, as well as the use of the composite material.