This disclosure relates to an aqueous solution for coating a paper or board surface for reducing MOSH or MOAH migration. The aqueous solution involves hydroxypropyl methylcellulose (HPMC) in an amount of from 10% to 60% (w/w), wherein the viscosity of said hydroxypropyl methylcellulose (HPMC) is from 2 mPa.Math.s to 100 mPa.Math.s, determined as a 2% (w/w) solution in water at 20? C. according to Ubbelohde.

This disclosure relates to an aqueous solution for coating a paper or board surface for reducing MOSH or MOAH migration. The aqueous solution involves hydroxypropyl methylcellulose (HPMC) in an amount of from 10% to 60% (w/w), wherein the viscosity of said hydroxypropyl methylcellulose (HPMC) is from 2 mPa.Math.s to 100 mPa.Math.s, determined as a 2% (w/w) solution in water at 20? C. according to Ubbelohde.

An omnidirectional broadband antireflective with a super hydrophilicity (antifogging) coating composition, and a corresponding method of producing and coating on a substrate like glass plates and tubes, silicon wafer, or plastics selected from PMMA, PC, and CR-39 lenses, is provided. The composition contains: a) component A, an aqueous or organic solvent selected from DI water, ethanol, n-propanol, isopropanol, isopropoxy ethanol, or a mixture thereof; b) component B, alkaline or acid stabilized silica nanoparticles (highly positively or negatively charged silica nanoparticles), individually or a mixture thereof; and c) component C, an alkylsilane compound selected from 3-glycidoxypropyltrimethoxysilane, 2-glycidoxyethyltrimethoxysilane, 3-glycidoxypropyltriethoxysilane, 2-glycidoxyethyltriethoxysilane, polyethylene glycol tert-octyl phenyl ether, and hydroxypropyl cellulose, individually or mixture thereof. The coating exhibits high optical performance with 3 to 5% average net enhancement from visible to NIR region (300-1500 nm) on glass substrates and 5.0% to 30.5% from 0-80? incidence.

Self-healable, omniphobic coatings and related methods are provided. In embodiments, a self-healable, omniphobic coating comprises a matrix of crosslinked, entangled hydrogel polymers, the hydrogel polymers comprising hydroxyl (OH) groups, hydroxyl group precursors, or both, and nanoparticles distributed throughout the matrix; and fluorinated silane molecules covalently bound to the matrix.

The present invention provides a flexible wearable dry electrode and a preparation method thereof. A flexible wearable dry electrode comprises a base fabric, a transfer glue layer and a nano-conductive layer that are successively attached; the formulation of the transfer glue layer is as follows: weighed in weight percentage, 50%-90% of an elastic resin, 5%-15% of a curing agent, and 5%-35% of a filler; the formulation of the nano-conductive layer is as follows: weighed in parts by weight, 0.1-20 parts of a conductive nanomaterial, 0.1-30 parts of a dispersant, and 0.01-5 parts of a binder. The preparation method thereof is as follows: a conductive coating liquid and a transfer glue are prepared respectively, then both are successively transferred to a flexible release film and finally press-fit onto a base fabric, and subsequently, curing is achieved and the release film can then just be torn off.

A porous metallic coating is provided. The coating is characterized by a combination of optimized properties that improve coating performance, as measured by heat transfer efficiency. The porous coating has optimal ranges for properties such as porosity, particle size and thickness, and has particular applicability in boiling heat transfer applications as part of an air separations unit. The porous coatings are derived from slurry-based formulations that include a mixture of metallic particles, a binder and a solvent.

A porous metallic coating is provided. The coating is characterized by a combination of optimized properties that improve coating performance, as measured by heat transfer efficiency. The porous coating has optimal ranges for properties such as porosity, particle size and thickness, and has particular applicability in boiling heat transfer applications as part of an air separations unit. The porous coatings are derived from slurry-based formulations that include a mixture of metallic particles, a binder and a solvent.

The present disclosure is directed to alcohol-based anti-adherent compositions that do not adhere to or attract Gram-negative and Gram-positive bacteria once it is applied to a surface and dried. The composition may include as anti-adherent agents, hydrophilic film-formers such as cellulosics, gums, acrylates, nonionic polymers, and anionic polymers. Examples of anti-adherent agents include Hydroxypropyl methylcellulose, Cellulose gum, Acacia Senegal Gum; Polyacrylate Crosspolymer-11, VP/Dimethyl-aminoethylmethacrylate/Polycarbamyl Polyglycol Ester; Acrylates/Vinyl Neodecanoate Crosspolymer, hydroxypropyl methylcellulose, Hydroxypropylcellulose, Methylcellulose, Propylene Glycol Alginate, Polyacrylate Crosspolymer-6, VP/Polycarbamyl Polyglycol Ester, Acrylates/Steareth-20 Methacrylate Copolymer; Acrylates Copolymer, and any combination thereof. The anti-adherent may be applied to surfaces using a vehicle such as a wipe.

This invention relates to a process for preparing color dispersions comprising a first step of contacting water, a first colorant, and a polysaccharide selected from methylcellulose, hydropropylmethylcellulose, hydroxyethylmethylcellulose, hydroxybutylmethylcellulose, hydroxyethylethylcellulose, and the mixture thereof, to form a first colorant dispersion; a second step of contacting the first colorant dispersion with a protective composition comprising an aqueous dispersion of polymer particles, clay, and a peptizing agent to form a dispersion of protected first colorant particles; an optional third step of repeating the first step and the second step with a second colorant that is different from the first colorant to form a dispersion of protected second colorant particles; and an optional fourth step of mixing the dispersions of protected first and second colorant particles to form a multi-color dispersion. This invention also relates to a color dispersion comprising the first colorant dispersion, and a color coating comprising the color dispersion.

A process for preparing color dispersions comprising a first step of contacting water, a first colorant, and a gel composition comprising a first gel selected from methylcellulose, hydropropylmethylcellulose, hydroxyethylmethylcellulose, hydroxybutylmethylcellulose, hydroxyethylethylcellulose, and the mixture thereof, and a second gel selected from guar, pectin, carrageenan, gelatin, and the mixture thereof, to form a first colorant dispersion; a second step of contacting the first colorant dispersion with a composition comprising an aqueous dispersion of polymer particles, clay, and a peptizing agent to form a dispersion of protected first colorant particles. A color dispersion comprising the first colorant dispersion and a color coating comprising the color dispersion.