A method and system is provided for reducing surface roughness of a diesel engine component. The method and system may apply a voltage to a plasma electrolyte polishing cell. The plasma electrolyte polishing cell may include a diesel engine component and an aqueous electrolyte solution. The method and system may cause a plasma layer to form around a surface of the diesel engine component as a result of applying the voltage to the plasma electrolyte polishing cell. The method and system may terminate the voltage to the plasma electrolyte polishing cell. The method and system may apply a coating process to the diesel engine component.

A method of applying a lubricious coating of a material such as a fluoropolymer to a cutting edge of a blade includes providing the blade having the cutting edge including a tip end, a first facet, and a second facet with the first facet and the second facet adjacent the tip end. The method further includes generating a plasma stream and directing the plasma stream towards the cutting edge. The method further includes introducing a fluid stream containing a dispersion including the fluoropolymer into the plasma stream, thereby simultaneously plasma treating the cutting edge and depositing solids of the dispersion onto the cutting edge.

Disclosed are solar-reflective roofing and other building materials having high reflectance of near-infrared radiation and high transmission of radiation in the visible light range and a substantial emissivity so as to reduce the heat island effects experienced by the articles while also maintaining an aesthetically pleasing appearance. Also disclosed are related methods for fabrication of such materials.

The present invention provides a method of manufacturing a high-strength carbon fiber resin tape and the high-strength carbon fiber resin tape that can be widely applied for reinforcement of PVC pipe, PP pipe, or the like. The high-strength carbon fiber resin tape according to the present invention comprises a base material including a binder, metal oxide sol, and potassium persulfate between acrylic carbon fibers; an adhesive material having one or more physical characteristics of heat resistance, cold resistance, or high-strength applied on one surface of the base material; and an ultraviolet protection coating applied on the other surface of the base material.

A method of enhancing hydrophilicity of a hydrophobic polymer material includes pre-treating the hydrophobic polymer material, comprising treating the hydrophobic polymer material with a first atmospheric pressure plasma discharge in a first atmosphere. The first atmosphere includes ammonia to obtain a pre-treated polymer material. The method includes treating the pre-treated polymer material with a second atmospheric pressure plasma discharge in a second atmosphere in which an aerosol of a carboxylic acid is introduced. A substrate is provided as well, the substrate including a hydrophobic polymer material having a modified interface, wherein the modified interface includes carboxylic functional groups grafted on the hydrophobic polymer material, the modified interface having a contact angle with water, which, measured after immersion in water at 20? C. for 3 days, is at least 25? less than a contact angle with water of the hydrophobic polymer material.

The invention concerns a method for producing a chromatography-enrichment column, the method comprising the following steps: (a) depositing at least one layer of desired particles, which may be identical or different, and are intended to constitute the stationary phase, in a compact assembly, on the flat surface of a substrate; (b) crosslinking the layer in at least the regions corresponding to the desired shape of the enrichment column to be obtained; (c) impregnating the layer with a light radiation-sensitive material; (d) insolating the layer obtained in step (c) so as to form insolated regions of which the shape corresponds to the desired internal shape of the enrichment column, if the light radiation-sensitive material behaves like a positive resin or to form non-insolated regions of which the shape corresponds to the desired internal shape of the enrichment column if the light radiation-sensitive material behaves like negative resin; and (e) eliminating the light radiation-sensitive material in the zones corresponding to the internal shape of the enrichment column. The invention is used in particular in the field of chemical analysis.

The present invention relates to a process for encapsulating a polycarbonate glazing comprising, on at least one of its faces, a silicone-based abrasion-resistant hardcoat, said process comprising the following successive steps: (a) the treatment of a region of the face of the glazing bearing the silicone-based hardcoat by atmospheric plasma with a plasma nozzle, the distance between the end of the plasma nozzle and the surface of the glazing being at most equal to 7 mm, (b) the application, to said region treated by atmospheric plasma, of a primer composition comprising one or more adhesion promoters selected from diisocyanates, polyisocyanates and chlorinated polyolefins, in solution or suspension in an organic or aqueous solvent, (c) the evaporation of the solvent so as to form a dry primer layer, and (d) the overmolding of a thermoplastic polymer over the region covered by the dry primer layer.

A repair process includes providing a gas turbine engine article that has an elastomeric coating that has an eroded region, plasma etching the elastomeric coating in the eroded region, and applying an elastomeric repair coating on the eroded region.

Provided herein is a film and methods of producing the same. The film includes a substrate and a layer adjacent to the substrate, wherein a surface of the layer comprises spaced apart protrusions. The methods include providing a substrate, depositing a layer on at least a portion of the substrate, decomposing the layer to form at least a first phase of material and a second phase of material, and removing at least a portion of the second phase from the decomposed layer to form a structured layer.

An apparatus for vapor deposition of thin film coatings, including: a process controller; a plurality of precursor containers into which a plurality of coating precursors, each in the form of a liquid or a solid, are respectively placed; a plurality of precursor vapor reservoirs, each in communication with a respective one of said precursor containers; a plurality of in-line devices which control a vapor flow of a coating precursor vapor from one of said precursor containers into one of said precursor vapor reservoirs with which said precursor container is in communication upon receipt of a signal from said process controller; a plurality of precursor control valves which control vapor flow from said precursor vapor reservoir upon receipt of a signal from said process controller; and a process chamber for vapor deposition of said coating on a substrate when present in said process chamber.