The present disclosure relates to a coating composition, in particular a cool roof or solar reflective coating composition, which comprises an organosilane-functionalised colloidal silica and hollow microspheres, wherein the organosilane-functionalised colloidal silica comprises silica particles with one or more organosilane moieties bound to their surface, and wherein the hollow microspheres comprise a polymeric shell. The present disclosure also relates to substrate coated with the coating composition, and to a method for making such a coating composition. The present disclosure further relates to the use of an organosilane-functionalised colloidal silica and/or hollow microspheres in a cool roof or solar reflective coating composition, for improving properties such as the coating lifetime and ageing characteristics, the storage stability, the tensile strength, the reflectance of radiation over the range of about 280 to 2500 nm, the wet and/or dry adherence, and the dirt pick-up resistance to hydrophilic and/or hydrophobic materials.

The present invention relates to a matte coating composition comprising an aqueous dispersion of a) polymer particles having an average particle size in the range of from 80 nm to 500 nm; b) polymeric organic crosslinked microspheres having a particle size in the range of from 1 m to 20 m; c) polyethylene wax particles having a particle size in the range of from 0.3 m to 30 m; and d) a rheology modifier. The composition of the present invention gives matte finish coatings with excellent burnish resistance.

The present disclosure provides a cesium tungsten bronze-based self-cleaning nano heat-insulation coating material, and method of preparing the same. Cesium tungsten bronze nanoparticles are prepared by hydrothermal method using WCl.sub.6 and CsOH.5H.sub.2O as raw materials, PVP as a surfactant and acetic acid as an acid catalyst. TiO.sub.2 nanoparticles are prepared from TiCl.sub.4. Subsequently ball milling and dispersing of the cesium tungsten bronze nanoparticles, the TiO.sub.2 nanoparticles, and a silane coupling agent with water to obtain an aqueous slurry containing cesium tungsten bronze/TiO.sub.2 composite particles is performed. The concentration of the aqueous slurry containing cesium tungsten bronze/TiO.sub.2 composite particles is adjusted to obtain a self-cleaning nano heat-insulation coating material.

The present invention relates to an anti-reflective film having mechanical properties such as high abrasion resistance and scratch resistance and excellent optical properties, and a polarizing plate and a display apparatus including the same.

A hard coating film including: a polymer binder resin; first inorganic particles which are dispersed in the polymer binder resin and have an average particle size of 5 nm or more and less than 70 nm; and second inorganic particles which are dispersed in the polymer binder resin and have an average particle size of 70 nm to 150 nm, wherein a content of the second inorganic particles having an average particle size of 70 nm to 150 nm is 4% by weight to 12% by weight, and a maximum amplitude (A) based on an average friction force is 0.15 or less in a graph of measuring a friction force with a TAC film which is measured by applying a load of 400 g to the surface thereof, is provided.

A capacitor, and process for forming a capacitor, is described wherein the capacitor comprises a conductive polymer layer. The conductive polymer comprises first particles comprising conductive polymer and polyanion and second particles comprising the conductive polymer and said polyanion wherein the first particles have an average particle diameter of at least 1 micron to no more than 10 microns and the second particles have an average particle diameter of at least 1 nm to no more than 600 nm.

The present disclosure provides a decorative coating film, which ensures and/or maintains millimeter wave transmission properties even though the decorative coating film is continuously used. The present disclosure relates to a decorative coating film formed on the surface of a resin substrate positioned in the pathway of a radar device, wherein the decorative coating film at least comprises: fine silver particles or fine silver alloy particles, nickel oxide, and a binding resin having light transmission properties, which binds the fine silver particles or the fine silver alloy particles dispersed in the decorative coating film with one another, wherein the shape of the nickel oxide is a wire shape.

The heat insulation coating includes the particles (secondary particles) of the silica aerogel (i) and the silica-based binder (ii). The thickness of the heat insulation coating is several 10 to several 100 m. The particle size of the secondary particles is distributed in a range from the lower limit Rmin to the upper limit Rmax. The lower limit Rmin is 10 nm. The upper limit Rmax is equal to the coating thickness of the heat insulation coating.

A high hardness flexible hard coating film is disclosed. The high hardness flexible hard coating film comprises a substrate film and a hard coating layer. The hard coating layer comprises a (meth)acrylate binder and reactive silica nanoparticles, wherein the reactive silica nanoparticles comprise reactive (meth)acrylate modified silica nanoparticles and reactive (meth)acrylate-polyhedral oligomeric silsesquioxane (POSS) modified silica nanoparticles. The high hardness flexible hard coating film will not crack or fracture under an dynamic inward folding test for performing 180 bend testing at a radius of 1 mm with 210.sup.5 times, and the pencil hardness (JIS K 5400) thereof is 6H or more.

A method, according to one approach, includes forming an underlayer of a magnetic recording medium. The underlayer includes first encapsulated nanoparticles each comprising a first magnetic nanoparticle encapsulated by a first aromatic polymer, and a first polymeric binder binding the first encapsulated nanoparticles. A magnetic recording layer is formed above the underlayer. The magnetic recording layer includes second encapsulated nanoparticles each comprising a second magnetic nanoparticle encapsulated by an encapsulating layer, and a second polymeric binder binding the second encapsulated nanoparticles.