Provided is an electrically heated catalytic converter including at least a conductive substrate and an electrode member that is fixed to the substrate, in which a protective film is formed on a surface of at least a portion of the electrode member. In the electrically heated catalytic converter, at least a portion of the protective film is formed of Al.sub.2O.sub.3, SiO.sub.2, a composite material of Al.sub.2O.sub.3 and SiO.sub.2, or a composite oxide including Al.sub.2O.sub.3, SiO.sub.2, or a composite material of Al.sub.2O.sub.3 and SiO.sub.2 as a major component, the protective film has an amorphous structure or a partially crystalline glass structure having a crystallization rate of 30 vol % or lower with respect to the entire portion of the protective film, and a thickness of the protective film is in a range of 100 nm to 2 m.

Solid or liquid NH free, C-free, and Si-rich perhydropolysilazane compositions comprising units having the following formula [N(SiH.sub.3).sub.x(SiH.sub.2).sub.y], wherein x=0, 1, or 2 and y=0, 1, or 2 when x+y=2; and x=0, 1 or 2 and y=1, 2, or 3 when x+y=3 are disclosed. Also disclosed are synthesis methods and applications for the same.

A main object of the present invention to provide a coated pigment that is composed of a composite particle comprising a silicon compound coated on the surface of a metal particle, and that can be dispersed with relatively few aggregates.

The present invention relates to a coated pigment comprising a composite particle containing a metal particle and one or two or more coating layers on the surface of the metal particle, wherein (1) at least one of the coating layers is a silicon compound-containing layer, and (2) the proportion of aggregates formed by adhesion of at least four of the composite particles with each other is not more than 35% by number.

Methods are provided for selectively depositing a material on a first surface of a substrate relative to a second, different surface of the substrate. The selectively deposited material can be, for example, a metal, metal oxide, or dielectric material.

Disclosed herein are magnetic nanoparticles, compositions and kits comprising the magnetic nanoparticles, methods of making the magnetic nanoparticles, and methods of using the magnetic nanoparticles to enrich biological targets.

Certain embodiments described herein are directed to ovens and articles that comprise an oleophobic surface coating on one or more surfaces. In some examples, the coating can be oleophobic and provide easy-to-clean performance for at least ten cycles. Methods used to produce the coatings on the ovens and articles are also described.

A component is provided for an aircraft. This aircraft component includes an object and a multi-layer coating. The object includes an object surface. The multi-layer coating includes a barrier layer and a laminar flow layer. The covers at least a portion of the object surface. The barrier layer a fluoropolyether, a silicon rubber and/or a polyurethane. The laminar flow layer covers the barrier layer and forms an exterior surface of the component. The laminar flow layer includes a sol-gel siloxane, a rare-earth oxide and/or a phosphate.

A new formulation of treatment baths for the etching of polymers prior to metallization or coating of the polymer using known technologies described in the state of the art, which are based on the use of salts and/or complexes of the Cr(III) cation, where the formulation includes a salt and/or Cr(III) complex in which the Cr(III) is coordinated to at least one or several mono, bi, tri, tetra, penta, hexadentate or bridging ligands that are coordinated to the chromium by the oxygen, sulfur or nitrogen atom or several of these atoms of the ligands, such that after the polymer piece has been etched with the Etching formulation described above, the metal coating is carried out by means of the application of chemical and electrolyte baths in the case of metallization, or by means of the application of paint or another organic coating.

Provided are a member that reduces a change in refractive index at high humidity (60% RH or more and less than 90% RH) and a method of manufacturing the member. The member comprises a base material and a porous layer formed on at least any one of surfaces of the base material, wherein the porous layer has dN.sub.2 of 5 nm or more and 20 nm or less and dH.sub.2O of 25 nm or more and 75 nm or less, and has a contact angle with respect to water of less than 60, in which dN.sub.2 is defined as a diameter of a pore at a time when a differential pore volume becomes maximum in the differential pore distribution in nitrogen adsorption and dH.sub.2O is defined as a diameter of a pore at a time when a differential pore volume becomes maximum in the differential pore distribution in water vapor adsorption.

An inorganic coating solution composition including an alkali metal silicate, a curing agent, a dispersant, a defoamer, and a solvent, wherein the curing agent is phosphoric acid (H.sub.2PO.sub.4), the dispersant is at least one selected from among Tween 20, Tween 40, Tween 60, Tween 80, polyvinyl pyrrolidone, polyethylene glycol 400 and polyvinyl alcohol, and the defoamer is at least one selected from among a silicone-based defoamer, an alcohol-based defoamer, a mineral oil-based defoamer and a powder defoamer.