An infrared-shielding nanoparticle dispersion has a property whereby visible light is adequately transmitted, and light in the near-infrared region is adequately shielded. The infrared-shielding nanoparticles include a plural aggregate of electroconductive particles composed of a tungsten oxide expressed by the general formula WyOz (where W is tungsten, O is oxygen, and 2.2≤z/y≤2.999), and/or a composite tungsten oxide expressed by the general formula MxWyOz (where M is one or more elements selected from H, alkali metals, alkaline-earth metals, rare earth elements, Mg, Zr, Cr, Mn, Fe, Ru, Co, Rh, Ir, Ni, Pd, Pt, Cu, Ag, Au, Zn, Cd, Al, Ga, In, Tl, Si, Ge, Sn, Pb, Sb, B, F, P, S, Se, Br, Te, Ti, Nb, V, Mo, Ta, Re, Be, Hf, Os, Bi, and I; W is tungsten; O is oxygen; 0.001≤x/y≤1.1; and 2.2≤z/y≤3.0).

A fluorochemical coating composition is provided comprising (A) a hydrolyzable group-containing silane modified with a fluorooxyalkylene-containing polymer and (B) a fluorooxyalkylene-containing polymer having an average molecular weight not higher than the average molecular weight of component (A) in a weight ratio (A)/(B) of 40/60 to 95/5. The composition forms on a substrate a water/oil repellent layer which does not detract from the visibility of the substrate.

A cover panel for a fitout article or article of equipment for a kitchen or laboratory is provided. The cover panel includes a glass or glass ceramic substrate and a coating on one side of the substrate. The substrate and the coating together have a light transmittance of 1% to 70%. The coating has a colour locus in the CIELAB colour space within the range of coordinates L* of 20 to 65, a* of −6 to 6 and b* of −6 to 6. The colour locus of the D65 standard illuminant light, after passing through the substrate and the coating, is within a white region W1 determined in the chromaticity diagram CIExyY-2° by the following coordinates: TABLE-US-00001 White region W1 x Y 0.27 0.21 0.22 0.25 0.32 0.37 0.45 0.45 0.47 0.34 0.36 0.29.

A coated glass substrate is disclosed. The coated glass substrate includes a coating containing at least one metal oxide containing a zinc oxide. The zinc of the zinc oxide is present in an amount of from 5 wt. % to 50 wt. % as determined according to XPS. The coated glass substrate has area surface roughness Sa or Sq of from about 5 nm to about 1,500 nm as determined via atomic force microscopy.

When on flat glass elements an anti-corrosion agent and a separation agent, containing a powdery anti-corrosion agent and a powdery separation agent, is applied with the anti-corrosion agent and the separation agent being jointly applied on at least one side of the flat glass elements, the partial quantities of the powdery separation agent and the powdery anti-corrosion agent can be dosed according to requirement without causing an excess of separation agent or a shortage of anti-corrosion agent by holding ready and dosing the said anti-corrosion agent and separation agent independently from each other and by blending them together only after dosing.

A glass coating composition may include a glass composition and a nanopowder. The nanopowder may include Zinc Oxide (ZnO) and may be added to a glass composition in 1 to 10 weight (wt %). The glass composition may include 20 to 40 wt % of phosphorus pentoxide (P.sub.2O.sub.5), a total of 15 to 30 wt % of aluminum oxide (Al.sub.2O.sub.3) and zirconium dioxide (ZrO.sub.2), a total of 10 to 30 wt % of sodium oxide (Na.sub.2O) and potassium oxide (K.sub.2O), 10 to 25 wt % of boron trioxide (B.sub.2O.sub.3), and 10 to 15 wt % of zinc oxide (ZnO).

Coating liquid used for forming an ultraviolet absorption coating on a surface of an object such as glass and the like, ultraviolet absorption glass arranged with the ultraviolet absorption coating formed by the coating liquid, and a method for preparing the ultraviolet absorption glass. The coating liquid used for forming the ultraviolet absorption coating, the ultraviolet absorption glass and the method for forming the ultraviolet absorption glass, by storing and releasing electrons excited by ultraviolet lights in an ultraviolet absorber, reduce the excited electrons that are gradually accumulated during a process in which the ultraviolet absorber absorbs the ultraviolet lights, thus protecting the ultraviolet absorber and a silicon dioxide matrix, preventing the ultraviolet absorption glass from discoloring or devitrifying, ensuring weather resistance of the ultraviolet absorption coating and ensuring color consistency of the ultraviolet absorption glass.

Antireflective nanoparticle coatings and methods of forming the coatings on substrates are disclosed. One method for forming an antireflective coating includes depositing a nanoparticle coating layer on a substrate, wherein the nanoparticle coating layer includes a colloidal solution of nanoparticles and a solidifying material. The solidifying material includes a silica precursor. The method further includes curing the solidifying material to form silica inter-particle connections between adjacent nanoparticles and between at least some of the nanoparticles and the substrate to bind the nanoparticles to each other and to the substrate to form the antireflective coating.

A mineral ink for inkjet printing on a mineral substrate, includes a glass frit, an organic solvent, a dispersant, a surfactant and a glass fit including the following constituents in the weight limits defined below expressed as percentages by weight of the glass frit: 35 to 50% of SiO.sub.2, 15 to 25% of Al.sub.2O.sub.3, 1.5 to 4% of Li.sub.2O, 22 to 32% of B.sub.2O.sub.3, 0 to 2% of Na.sub.2O, 2 to 5% of K.sub.2O, 1 to 5% of CaO, 1 to 4% of ZrO.sub.2.

Glass stack configurations including a carrier plate, setter plates, and glass sheets for thermal treatment of the glass sheets to form glass ceramic articles are provided. The glass stacking configurations and components described herein are selected to improve thermal uniformity throughout a glass stack during ceramming processes while maintaining or even reducing the stresses in the resultant glass ceramic article. Accordingly, the glass ceramic articles made according to the various embodiments described herein exhibit improved optical qualities and less warp than glass ceramic articles made according to conventional processes. Various embodiments of carrier plates, setter plates, parting agent compositions, and methods of stacking glass sheets are described.