A coating that can be easily applied, clear, well-bonded, and superhydrophobic is disclosed. In one aspect, a method for coating a substrate comprises providing a substrate having a surface, disposing a coating composition adjacent the surface, the composition comprising a hydrophobic fluorinated solvent, a binder comprising a hydrophobic fluorinated polymer, and hydrophobic fumed silica nanoparticles. Also disclosed is an article comprising a coating layer, the coating layer comprising a plurality of nanoparticles partially exposed on an outward surface thereof.

A process for manufacturing glass articles from powder at low temperatures includes the steps of preparing a slurry of powder suspended in a liquid; depositing the slurry on a substrate; drying the slurry to form a layer on the substrate; depositing slurry on the layer; drying the slurry deposited on the layer on the substrate to form another layer; repeating the steps of depositing a slurry and drying the to form a plurality of sequential layers on the substrate; and consolidating the plurality of sequential layers to form a glass article. The process requires a small manufacturing footprint, and facilitates the manufacture of very large near-net shape glass articles.

An architectural transparency includes a substrate; a first dielectric layer over at least a portion of the substrate, a first metallic layer over the first dielectric layer, a first primer layer over the first metallic layer, a second dielectric layer over the first primer layer, a second metallic layer over the second dielectric layer, a second primer layer over the second metallic layer, a third dielectric layer over the second primer layer, a third metallic layer over the third dielectric layer, a third primer layer over the third dielectric layer, and a fourth dielectric layer over the third primer layer. At least one of the metallic layers is a subcritical metallic layer.

A vehicle window, includes at least one transparent glass pane and an IR-reflective coating on a surface of the glass pane, wherein the IR-reflective coating includes n metallic layers and (n+1) dielectric layer modules, wherein the layer modules are implemented as dielectric layers or layer sequences and wherein the layer modules and the metallic layers are arranged alternatingly such that each metallic layer is arranged between two layer modules, where n is a natural number greater than or equal to 1, wherein each metallic layer is implemented as a discontinuous layer of metal nanocrystals, which has regions that are occupied by metal nanocrystals and regions that are not occupied by nanocrystals. The uppermost layer module has a dielectric anti-reflection layer with a refractive index of at most 1.7.

The present invention provides a low-alkali or alkali-free glass for laser processing, the glass reducing occurrence of laser irradiation-induced cracks and allowing formation of circular through holes. The present invention relates to the glass for laser processing, the glass having a glass composition including, in mol %: 45.0%SiO.sub.270.0%; 2.0%B.sub.2O.sub.320.0%; 3.0%Al.sub.2O.sub.320.0%; 0%ZnO9.0%; and (I) 0.1%CuO2.0% and 0%TiO.sub.215.0%; or (II) 0.1%TiO.sub.2<5.0% and 0%CuO<0.1%, wherein, in the case of (II), a metal oxide serving as a coloring component is further included, a relationship of 0Li.sub.2O+Na.sub.2O+K.sub.2O<2.0% is satisfied, either of principal surfaces of the glass has a layer containing fine particles, and the fine particles have an average particle diameter of 10 nm or more and less than 1.0 m.

An electrochromic device may include a working electrode that includes a high temperature stable material and nanoparticles of an active core material, a counter electrode, and an electrolyte deposited between the working electrode and the counter electrode. The high temperature stable material may prevent fusing of the nanoparticles of the active core material at temperatures up to 700 C. The high temperature stable material may include tantalum oxide. The high temperature stable material may form a spherical shell or a matrix around the nanoparticles of the active core material. A method of forming an electrochromic device may include depositing a working electrode onto a first substrate, in which the working electrode comprises a high temperature stable material and nanoparticles of an active core material, and heat tempering the working electrode and the first substrate.

An architectural transparency includes a substrate, a first dielectric layer formed over at least a portion of the substrate, a subcritical metallic layer formed over at least a portion of the first dielectric layer, a primer layer formed over the subcritical metallic layer and, a second dielectric layer formed over at least a portion of the primer layer. The primer layer contains an oxygen-capturing material that can be sacrificed during a deposition process or heating process to prevent degradation of the subcritical metallic layer.

The present invention relates to silicon-compound-coated fine metal particles, with which surfaces of fine metal particles, composed of at least one type of metal element or metalloid element, are at least partially coated with a silicon compound and a ratio of SiOH bonds contained in the silicon-compound-coated fine metal particles is controlled to be 0.1% or more and 70% or less. By the present invention, silicon-compound-coated fine metal particles that are controlled in dispersibility and other properties can be provided by controlling the ratio of SiOH bonds or the ratio of SiOH bonds/SiO bonds contained in the silicon-compound-coated fine metal particles. By controlling the ratio of SiOH bonds or the ratio of SiOH bonds/SiO bonds, a composition that is more appropriate for diversifying applications and targeted properties of silicon-compound-coated fine metal particles than was conventionally possible can be designed easily.

With an aim to provide a method for producing an oxide particle with controlled color characteristics and also provide an oxide particle with controlled color characteristics, the present invention provides a method for producing an oxide particle, wherein the color characteristics of the oxide particle are controlled by controlling a ratio of an M-OH bond between an element (M) and a hydroxide group (OH) or an M-OH bond/M-O bond ratio, where the element (M) is one element or plural different elements other than oxygen or hydrogen included in the oxide particle selected from metal oxide particles and semi-metal oxide particles. According to the present invention, by controlling the M-OH bond or the M-OH bond/M-O bond ratio of the metal oxide particle or the semi-metal oxide particle, the oxide particle with controlled color characteristics of any of reflectance, transmittance, molar absorption coefficient, hue, and saturation can be provided.

A coating composition is provided comprising nanoparticles and certain silane compounds. When applied to articles, particularly glass articles, the coating that is formed is resistant to soiling by both dry dust and wet soil.