C08K2003/2241

COMPOSITIONS FOR REDUCING INHALATION OF TOXIC AIR POLLUTION COMPONENTS

The present invention relates to a composition, textile, and mask for reducing the inhalation of pollutants. The composition includes an aqueous solution of an inorganic iodide compound, a metal phthalocyanine, and a polymeric binder. The inorganic iodide can be cuprous iodide, the metal phthalocyanine can be iron phthalocyanine, and the polymeric binder can be polyvinylpyrrolidone or polyvinyl alcohol. This pollutant-inactivating composition neutralizes pollutants such as nitrogen dioxide, sulfur dioxide, ozone, volatile organic compounds and other unpleasant airborne agents, without requiring elevated temperatures or bulky canisters containing adsorbents. Optionally, a humectant can also be incorporated into the coating solution to retain moisture in the active filter matrix, which enhances the activity of the composition to inactivate oxidizing gases and other toxic constituents of air pollution.

LATEX POLYMER WITH IMPROVED WASHABILITY AND BLOCK RESISTANCE

Coating compositions or paint having a pigment blended with a polymer system including one or more latex polymers, wherein the polymer system contains an alkali-soluble resin having an acid value and molecular weight and provided in a preferably desired amount to demonstrate optimal performance characteristics of washability, stain resistance or scrubability without negatively impacting block resistance, especially when neutralized with a low-volatility base.

TRANSPARENT ANTIBACTERIAL PLASTIC FILM AND METHOD FOR MANUFACTURING THE SAME
20220332906 · 2022-10-20 ·

A transparent antibacterial plastic film and a method for manufacturing the same are provided. The transparent antibacterial plastic film includes a polyester material and an antibacterial composite dispersed in the polyester material. A refractive index of the antibacterial composite ranges from 1.46 to 1.66. The method for manufacturing the transparent antibacterial plastic film includes steps of: mixing the polyester material and the antibacterial composite to form antibacterial masterbatches, and using the antibacterial masterbatches to form the transparent antibacterial plastic film. A refractive index of the antibacterial composite ranges from 1.46 to 1.66.

LOW-LOSS OPTICAL MATERIALS AND PROCESSES

An optical device includes a substrate, a first surface-relief grating including grooves and ridges formed on or in the substrate, a first overcoat layer in the grooves of the first surface-relief grating, and a first antireflective layer on the first overcoat layer. The ridges of the first surface-relief grating include high-refractive index, photoactive metal oxide nanoparticles and a material of the first overcoat layer in regions between the metal oxide nanoparticles, or the first overcoat layer includes the metal oxide nanoparticles and a material of the first antireflective layer in regions between the metal oxide nanoparticles. Methods of fabricating the optical device are also described.

IN SITU CORE-SHELL NANOPARTICLE PREPARATION
20220334302 · 2022-10-20 ·

An optical device includes a substrate, a surface-relief grating including grooves and ridges formed on or in the substrate, and an overcoat layer in the grooves of the surface-relief grating. The ridges of the surface-relief grating or the overcoat layer includes a plurality of clusters of metal oxide (e.g., TiO.sub.2 or NbO.sub.x) nanoparticles. Each cluster of the plurality of clusters of metal oxide nanoparticles includes metal oxide nanoparticles dispersed in an inorganic barrier that isolates the metal oxide nanoparticles from other materials of the optical device. The ridges of the surface-relief grating or the overcoat layer is made of a resin material that includes a resin with inorganic content, and/or TiO.sub.x or NbO.sub.x nanoparticles including inorganic-containing ligands. A high-energy treatment process can remove organics surrounding the metal oxide nanoparticles and form the barrier layers that surround clusters of metal oxide nanoparticles.

Polycarbonate resin composition having excellent light-reflecting and light-shielding properties, and automotive molded article produced using the same

The present disclosure relates to a polycarbonate resin composition having excellent light-reflecting and light-shielding properties, and an automotive molded article produced using the same. The polycarbonate resin composition includes: 60 to 70 wt % of a polycarbonate resin; 4 to 10 wt % of a rubber-modified vinyl-based graft copolymer; 3 to 11 wt % of a styrene-based copolymer; 15 to 25 wt % of titanium dioxide; and 2 to 3 wt % of a mineral filler.

FILLER COMPOSITION INDICATING READINESS TO SAND

A vehicle bond filler formulation is provided that includes a part A having curable resin and a monomer reactive diluent. A part B storage-separate, cure initiator package contains a free-radical cure initiator. At least one color changing dye adapted to change color upon mixing the part A and the part B and within ±5 minutes of cure of the curable resin to a sandable condition is present in either the part A or a separate part C, a guide coat colorant, or a combination thereof. A process of for repairing a vehicle body is also provided that includes mixing a part A containing the at least one color changing dye with the part B to form an internal guide coat mixture applied to a substrate of the vehicle body in need of repair. The mixture cures causing the color changing dye to the terminal change color within ±5 minutes of cure of the curable resin to a sandable condition.

Dip Molding Emulsion, Method of Producing Glove, and Glove

Provided is a dip molding emulsion including, at least: an elastomer that contains a (meth)acrylonitrile-derived structural unit, an unsaturated carboxylic acid-derived structural unit, and a butadiene-derived structural unit in a polymer main chain; an epoxy crosslinking agent; water; and a pH modifier, in which dip molding composition the elastomer contains the (meth)acrylonitrile-derived structural unit in an amount of 20% by weight to 40% by weight, the unsaturated carboxylic acid-derived structural unit in an amount of 1% by weight to 10% by weight, and the butadiene-derived structural unit in an amount of 50% by weight to 75% by weight, and the epoxy crosslinking agent includes an epoxy crosslinking agent containing an epoxy compound having three or more epoxy groups in one molecule and has a dissolution rate in water of 10% to 70% as determined by a specific measurement method.

DIELECTRIC LAYER WITH IMPROVED THERMALLY CONDUCTIVITY
20220315823 · 2022-10-06 ·

In an embodiment the dielectric layer comprises a fluoropolymer, a plurality of boron nitride particles, a plurality of titanium dioxide particles, a plurality of silica particles; and a reinforcing layer. The dielectric layer can comprise at least one of 20 to 45 volume percent of the fluoropolymer, 15 to 35 volume percent of the plurality of boron nitride particles, 1 to 32 volume percent of the plurality of titanium dioxide particles, 10 to 35 volume percent of the plurality of silica particles, and 5 to 15 volume percent of the reinforcing layer; wherein the volume percent values are based on a total volume of the dielectric layer.

Printing Plate and Polymeric Coating Material for the Same

The invention relates to a coating material for coating a metal or non-metal printing plate, comprising a liquid starting material which can be polymerised using UV light in order to form a polymer matrix, and comprising a filling material which can be covalently incorporated into a polymer matrix of the starting material. The filling material is of a sub-microscale size, wherein absorption of IR radiation can be brought about by the filling material in the starting material, said absorption being higher than an absorption without filling material. The invention also relates to a printing plate comprising a cylindrical main body, wherein a polymer layer is applied to at least parts of a circumferential surface of the main body, with the polymerisation thereof being induced by UV light, wherein the polymer layer has a sub-microscale filling material, and wherein a higher absorption of infrared radiation is brought about using the filling material in the polymer layer than in the polymer layer without filling material.