The invention relates to a method for producing a barrier layer (13, 9) for coating the inner surface (12, 17) of a receptacle (10, 6) which is made at least in part of plastic and is used for holding products that are biocompatible for humans and/or animals; in said method, a solution is formed that contains at least one solvent, water, at least one organo-functional molecular precursor, and an acid as a catalyst, the complexed solution, which is undergoing hydrolysis and condensation, is applied to at least one portion of the inner surface of the receptacle, the applied solution is dried at a specific drying temperature below 100 C., and the receptacle is conveyed away and stored before being baked. The acid used is citric acid.

A method for increasing corrosion resistance of metallic substrates without use of hexavalent chromium includes chemically treating the substrate to create an oxide layer, mixing graphene nanoplatelets into a non-chromate epoxy-based primer, applying the primer to the oxide layer of the substrate, and applying a topcoat to the primer opposite the oxide layer.

A method for increasing corrosion resistance of metallic substrates without use of hexavalent chromium includes chemically treating the substrate to create an oxide layer, mixing nanoclay particles into a non-chromate primer, applying the primer to the oxide layer of the substrate, and applying a topcoat to the primer opposite the oxide layer.

Described herein is a coated article comprising a substrate, a coil coating applied to the substrate, the coil coating comprising a base coat layer formed from a base coat composition comprising polyester that is substantially free of silicon; a print coat layer formed from a print coat composition comprising siliconized polyester; and a top coat layer formed from a top coat composition comprising siliconized polyester.

A sensor, a composite material and a method of manufacturing the same are provided. The sensor includes a first electrode, a second electrode, and a sensing material layer. The first electrode and the second electrode are separated from each other. The sensing material layer is located between the first electrode and the second electrode and covers the first electrode and the second electrode. The sensing material layer includes the composite material including a conductive polymer and a metal oxide. The conductive polymer has a hydrophilic end. The metal oxide is connected to the hydrophilic end of the conductive polymer. The metal oxide includes a metal oxide precursor.

A conductive coated composite body is disclosed which has both good adhesion of a conductive coating film to a base and excellent electrical conductivity of the conductive coating film at the same time even in cases where a glass base or a base having low heat resistance is used; and a method for producing this conductive coated composite body. A conductive coated composite body includes: a base; a resin layer that is formed on at least a part of the base; and a conductive coating film that is formed on at least a part of the resin layer. The conductive coating film is a sintered body of silver fine particles; the main component of the resin layer is a polyurethane resin having an elongation at break of 600% or more; and the polyurethane resin has one of the functional groups represented by COOH, COOR, COO.sup.NH.sup.+R.sub.2 and COO.sup.NH.sub.4.sup.+.

The invention provides a waterborne fouling release coating composition comprising (a) an aqueous polysiloxane-based binder emulsion, wherein said emulsion comprises polysiloxane-based binder droplets having an average droplet size of 4 to 1000 n; and (b) at least one pigment or filler; wherein the coating composition comprises at least 10 wt % water relative to the total weight of L the composition as a whole.

A method of painting an enclosure can included providing an enclosure formed from a conductive sheet molding compound. A powder coating can be applied to at least one surface of the enclosure, and the powder coating can be cured by heating the enclosure at a curing temperature.

A method for manufacturing a decorative article that may include decomposing a bio-waste source of CaCO.sub.3 into CaO; subjecting the CaO to a graining process to form a plurality of nano-sized particles having a particle size up to 20 nm; ejecting a solution containing the plurality of nano-sized particles to a first substrate; placing the first substrate including the plurality of nano-sized particles into a mold; and injecting a polymeric resin into the mold to form a molded article including a coating layer that includes the plurality of nano-sized particles.

A surface treatment agent capable of forming a film that has excellent corrosion resistance and hydrophilicity with suppressed odor is provided. A surface treatment agent includes: one or more selected from water-soluble inorganic oxides and salts thereof (A); one or more selected from hydrolysates and condensates of organoalkoxysilane (B); water-soluble resin (C); ether compound (D); and water and/or water-miscible solvent; wherein assuming a total mass of the one or more selected from water-soluble inorganic oxides and salts thereof (A), a total mass of the one or more selected from hydrolysates and condensates of organoalkoxysilane (B), a mass of the water-soluble resin (C), and a mass of the ether compound (D) are M.sub.A, M.sub.B, M.sub.C and M.sub.D, respectively, (M.sub.A+M.sub.B)/(M.sub.A+M.sub.B+M.sub.C+M.sub.D)=0.01 to 0.7 is satisfied.