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.

A powder composition adapted for use in suspension thermal spray coating processes. The powder includes agglomerated and/or non-agglomerated particles having at least one dispersing agent deposited thereon. The composition results in a homogeneous, stable suspension when combined with a liquid carrier for use in suspension thermal spray coating processes.

Disclosed are a silica sol composition including silica, an anionic dispersant, two or more epoxy silane coupling agents, and an organic solvent, and a method for preparing the same. In the silica sol composition, a uniform surface modification of silica particles may be achieved by using an anionic dispersant and two or more epoxy silane coupling agents, and it is possible to effectively enhance the compatibility between a silica filler whose surface is modified with an epoxy group and a resin which is an underfill composition.

A low-reflection coated glass sheet of the present invention includes a glass sheet and a low-reflection coating. The low-reflection coating is formed on at least a portion of one principal surface of the glass sheet, and contains a binder containing silica as a main component, fine silica particles bound by the binder, and fine titania particles bound by the binder. For the low-reflection coated glass sheet, a transmittance gain is 1.7% or more. The low-reflection coating contains 25 mass % to 43 mass % of the silica which is the main component of the binder, 40 mass % to 64 mass % of the fine silica particles, and 10 mass % to 20 mass % of the fine titania particles, based on the total mass of the low-reflection coating. As such, the low-reflection coated glass sheet of the present invention has high abrasion resistance and is capable of exhibiting photocatalytic properties and hydrophilicity when irradiated with light.

An electrically conductive paste contains: metal nanoparticles which are protected by an organic compound containing an amino group and have an average particle diameter of 30 nm to 400 nm; metal particles which are protected by a higher fatty acid and have an average particle diameter of 1 m to 5 m; an organic solvent; and a resin component consisting of a cellulose derivative. A conductor obtained by firing the electrically conductive paste has a film thickness of 30 m or more and a specific resistance of 5.010.sup.6 .Math.cm or less. In this way, the electrically conductive paste can reduce the resistance of the obtained conductor and to increase the amount of current flowing. A wiring board includes a conductor obtained from the electrically conductive paste.

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.

A curable composition comprising an epoxy-siloxane oligomer comprising as polymerized units one or more difunctional silane monomers of formula (1) and one or more trifunctional silane monomers of formula (2) in a mole ratio of 95:5 to 10:30

Si(R.sup.1)(R.sup.2)(Y.sub.1).sub.2 (1)

SiR.sup.3(Y.sup.2).sub.3 (2)

wherein R.sup.1, R.sup.2, and R.sup.3 are independently chosen from a C.sub.5-20-aliphatic group comprising an oxirane ring fused to an alicyclic ring, C.sub.1-20-alkyl, C.sub.6-30-aryl group, and a C.sub.5-20-aliphatic group having one or more heteroatoms; each Y.sup.1 and Y.sup.2 is independently chosen from halogen, C.sub.1-4-alkoxy, and OC.sub.1-4-acyl group; wherein at least one of R.sup.1, R.sup.2, and R.sup.3 is a C.sub.5-20-aliphatic group comprising an oxirane ring fused to an alicyclic ring; (b) organic particles having an average diameter of 50 to 250 nm; (c) a reactive carrier having one or more epoxy moieties or oxetane moieties; (d) a curing agent; and (e) one or more organic solvents, and methods of forming cured coatings using such compositions are described.

A device includes a printed circuit board assembly having a printed circuit board and one or more electronic components disposed on the printed circuit board, and a nanofilm disposed on the printed circuit board assembly. The nanofilm includes an inner coating in contact with the printed circuit board assembly, the inner coating including metal oxide nanoparticles having a particle diameter in a range of 5 nm to 100 nm; and an outer coating in contact with the inner coating, the outer coating including silicon dioxide nanoparticles having a particle diameter in a range of 0.1 nm to 10 nm.

Provided are formulations and processes for obtaining conductive patterns of copper onto a substrate.

The present teachings relate to compositions and methods for creating a functionalized, roughened surface in a single application, which surface can be uniformly-textured and have strong chemical affmity to a selected lubricant. The compositions can include a solvent, nanoparticles having a narrow particle size distribution, a binder, and an additive. The textured surfaces of the present teachings can have an affinity for a lubricating liquid such that a smooth immobilized, stable liquid overlayer of the lubricating liquid can be present in, on, and over the functionalized, roughened surface thereby creating a robust slippery liquid-infused porous surface that is repellant.