C09D133/064

Antireflection film and display device

The present invention relates to an antireflection film which includes a hard coating layer and a low refractive index layer formed on the hard coating layer, wherein a roughness kurtosis (Rku) of the concavo-convex shape of the surface is greater than 3.5 and less than 6, a Swedish height (H) of the concavo-convex shape of the surface is greater than 20 nm and less than 200 nm, and the light transmittance in a wavelength region of 380 nm to 780 nm is 94% or more, and a display device comprising the antireflection film.

AQUEOUS COMPOSITION
20240018369 · 2024-01-18 ·

An aqueous composition comprises (a) an acrylic copolymer comprising structural units of an ethylenically unsaturated acetoacetyl functional monomer and (b) a specific multihydroxy-functional amine, which can provide good formaldehyde abatement property and reduced yellowing.

Weather-Resistant Temporary Paint System Comprising a Removable Paint Composition and a Remover Composition
20200148890 · 2020-05-14 · ·

A paint system comprising a first component and a second component wherein said first and second components are separate compositions, wherein said first component is a removable paint composition comprising: (i) an organic solvent component comprising or consisting of one or more organic solvent(s); (ii) a polymeric component comprising a polymeric binder; (iii) a pigment component; and (iv) optionally one or more acid(s), and wherein said second component is a remover composition for removing said first component from a surface of a substrate wherein said remover composition comprises: (i) water and (ii) a base.

COMPOSITIONS CONTAINING DERIVATIZED POLYAMINES

Disclosed herein are aqueous coating compositions containing an anionically stabilized polymer, one or more derivatized polyamines, and a volatile base. Coating compositions can farther include one or more additional copolymers, which may or may not be anionically stabilized, and/or additional additives, including pigments, defoamers, pigment dispersing agents, thickeners, surfactants, and combinations thereof. By incorporating a derivatized polyamine, such as an alkoxylated polyamine, the setting time of the coating compositions can be decreased. Also provided are coatings formed from the coating compositions described herein, as well as methods of forming these coatings.

AQUEOUS DISPERSION OF MULTISTAGE POLYMER PARTICLES
20200071558 · 2020-03-05 ·

The present invention relates to a composition comprising an aqueous dispersion of multistage polymer particles comprising a first and a second phase, wherein the first phase comprises structural units of a carboxylic acid monomer or a salt thereof, and a nonionic ethylenically unsaturated monomer; and wherein the second phase comprises a first and second polymer, wherein the first phase or the second phase first polymer or both comprise structural units of a high T.sub.g hydrophobic monomer; and wherein the second phase second polymer comprises at least 80 percent structural units of styrene. The high T.sub.g hydrophobic monomer is defined as being one or more of the following monomers: cyclohexyl methacrylate, isobornyl methacrylate, 4-t-butyl methacrylate, t-butylstyrene, or n-butyl methacrylate. The multistage polymer particles are useful as opaque polymers, which are used in pigmented coating formulations to reduce the load of TiO.sub.2. The particles exhibit excellent collapse resistance and unusually low dry bulk density, and do not require acrylonitrile to achieve this desired combination of properties.

Compositions containing polyanion, ethoxylated cationic polymer and phyllosilicates for improved oxygen barrier coatings

Described is an aqueous composition comprising (a) at least one polyanion, (b) at least one ethoxylated cationic polymer, and (c) at least one phyllosilicate. The composition can be used for providing oxygen barrier properties to a polymer film.

Compositions containing polyanion, ethoxylated cationic polymer and phyllosilicates for improved oxygen barrier coatings

Described is an aqueous composition comprising (a) at least one polyanion, (b) at least one ethoxylated cationic polymer, and (c) at least one phyllosilicate. The composition can be used for providing oxygen barrier properties to a polymer film.

RESIN COMPOSITION FOR A POLARIZER PROTECTIVE FILM, A POLARIZER PROTECTIVE FILM, A POLARIZING PLATE INCLUDING THE SAME, AND A PREPARATION METHOD OF A POLARIZING PLATE
20200033510 · 2020-01-30 · ·

The present invention relates to a resin composition for a polarizer protective film, a polarizer protective film, a polarizing plate including the same, and a preparation method of a polarizing plate, and, more specifically, to a resin composition for a polarizer protective film and a polarizer protective film exhibiting high hardness and excellent properties, a polarizing plate including the same, and a preparation method of a polarizing plate. According to the polarizing plate of the present invention, it can be usefully utilized in various fields because of its excellent hardness, flexibility, and optical properties.

RESIN COMPOSITION FOR VIBRATION-DAMPING COATING MATERIAL, AND PRODUCTION METHOD THEREFOR
20200032078 · 2020-01-30 ·

The invention provides a method for providing a coat having excellent appearance and an excellent vibration damping property in a temperature range of a use environment of vibration damping materials. The invention relates to a vibration damping coating resin composition including an emulsion particle having a multilayer structure, the emulsion particle including an outermost layer and an inner layer located inside the outermost layer, the outermost layer being formed from a resin having a glass transition temperature of 60 C. or higher, the outermost layer being present in a proportion of 1% to 30% by mass in 100% by mass of the emulsion particle.

Reduced salt precipitation in carbohydrate containing binder compositions

Aqueous binder compositions with reduced rates of salt precipitation are described. The compositions may include a carbohydrate and a sequestrant for sequestering one or more multivalent ions (e.g., Ca.sup.2+, Mg.sup.2+, Ba.sup.2+, Al.sup.3+, Fe.sup.2+, Fe.sup.3+, etc.). The sequestrant reduces a precipitation rate for the multivalent ions from the aqueous binder composition. Methods of reducing salt precipitation from a binder composition are also described. The methods may include the steps of providing an aqueous binder solution having one or more carbohydrates. They may also include adding a sequestrant for one or more multivalent ions to the aqueous binder solution. The sequestrant reduces a precipitation rate for the multivalent ions from the binder composition.