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 superhydrophobic coating composition is provided comprising an NP component and a radical initiator (RI), wherein the NP component comprises NP particles having organic moieties bound to the surface of the NP particles. Also provided is a superhydrophobic coating composition further comprising a fluid. Also provided is a method for preparing a super-hydrophobic (SH) surface, where the method includes mixing an NP component with at least one RI and possibly with a fluid, thereby providing a coating composition, applying the coating composition onto a substrate (pre-coated or containing oxides) thereby providing a coated substrate; and applying radiation to the coated substrate, thereby providing the SH surface on which at least part of the NP component is covalently bound, directly or indirectly, to the substrate.

A water/oil repellent layer-provided article, containing a substrate, a water/oil repellent layer containing a hydrolyzed condensate of a fluorinated compound having a hydrolyzable silyl group, and a silicon oxide layer containing alkali metal atoms, present between the substrate and the water/oil repellent layer, where in the silicon oxide layer, the average concentration of the alkali metal atoms in a region with a depth from the surface in contact with the water/oil repellent layer of at least 0.1 nm and at most 0.3 nm, is at least 2.010.sup.19 atoms/cm.sup.3.

An electronic device includes electrical components in a housing. The components may include optical components such as a display. Protective structures may be used to protect the optical components. The protective structures may include one or more protective transparent layers such as layers of glass or crystalline material such as sapphire. The protective transparent layers may be coated with an oleophobic coating. To enhance coating durability, catalyst may be used to help bond the oleophobic coating. An adhesion promotion layer such as a silicon oxide layer may be deposited on the transparent protective layer. A catalyst layer such as a layer of sodium fluoride may be deposited on the adhesion promotion layer. The oleophobic material may be evaporated or otherwise deposited on the catalyst layer. Heat and moisture may help the oleophobic material form chemical bonds with the adhesion promotion layer, thereby forming a durable oleophobic coating.

An apparatus and to a method for treating layers using a plasma zone sealed from the outer atmospheric pressure are provided. The apparatus and method include a plasma reactor including a substrate carrier in form of a container receiving means, and a closing element that is joined with the substrate carrier by means of a lifting device.

A substrate includes a fabric-like member. First inorganic fillers exist on a surface of the fabric-like member.

The present disclosure describes a system and method of depositing ceramic or ceramic composite coatings on the inside surface area of a tubular shape. The system and method described herein can provide an interior coating for tubes and pipes to provide wear resistance, abrasion resistance, and anti-scaling effects.

The present invention belongs to the field of super-hydrophobic surface technology, and discloses a durable hydrophilic-super-hydrophobic bipolar self-cleaning composite film and a preparation method therefor. The preparation method is as follows: adding an epoxy silane coupling agent into an organic solvent; after stirring and mixing well, adding an amine curing agent and distilled water to the mixture; stirring and adding micron-sized solid particles and hydrophobic nano silicon dioxide particles; continuing stirring to obtain a hydrophilic layer solution; adding a hydrophobic modifier and a hydrophilic nano silicon dioxide particles into the solvent to obtain a hydrophobic layer solution; coating a pretreated substrate surface with the hydrophilic layer solution, and performing heating treatment at 60 C. to 80 C. for 10-50 min; then coating the surface with the hydrophobic layer solution, and performing heating treatment at 100 C. to 140 C. for 50-90 min to obtain the durable hydrophilic-super-hydrophobic bipolar self-cleaning composite film. The preparation method of the present invention is simple, and the super-hydrophobic surface of the obtained composite film has strong mechanical durability and a good industrial application prospect.

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 water/oil repellent layer-provided article, containing a substrate, a water/oil repellent layer containing a hydrolyzed condensate of a fluorinated compound having a hydrolyzable silyl group, and a silicon oxide layer containing alkali metal atoms, present between the substrate and the water/oil repellent layer, where in the silicon oxide layer, the average concentration of the alkali metal atoms in a region with a depth from the surface in contact with the water/oil repellent layer of at least 0.1 nm and at most 0.3 nm, is at least 2.010.sup.19 atoms/cm.sup.3.