Provided is a coated metal sheet for automobile comprising: a metal sheet; and a coating film (α) present on at least one surface of the metal sheet. The coating film (α) contains an organic resin (A), an electrically conductive pigments (B), and anti-corrosion pigments (C), and a Martens micro-hardness HM at −20° C. of the surface of the coating film (α) is 10 to 200 (mg/mm.sup.2) at 20 points or more when measured at 100 points, and a Martens micro-hardness HM at 40° C. of the surface of the coating film (α) is 200 to 200,000 (mg/mm.sup.2) at 5 points or more when measured at 100 points.

A coating having a gradient composite structure, applied to a substrate, which may be a disposable tool. The gradient composite comprises a bonding component and an erosion and/or corrosion resistant component. When applied to a disposable tool, such as a ball and seat assembly in a downhole environment, the coating enhances the performance of disintegrable materials used in such tools. The coating may be configured to expire at the end of a selected duration, allowing the underlying material to disintegrate.

The present invention relates to a coating material for the production of an anti-corrosion and/or adhesion promoter layer, which material comprises metal powder and a phosphate-ion-containing solution as the binder, the metal powder being at least partially coated with Si or Si alloys or the binder consisting of phosphoric acid and metal phosphates and being substantially free of chromates. The invention further relates to a method for producing an anti-corrosion and/or adhesion promoter layer, comprising the following steps: Providing a coating material, such as indicated above, applying the coating material to a component surface on which the anti-corrosion and/or adhesion promoter layer is to be created, and drying and/or hardening by way of a heat treatment at a first temperature.

The present invention provides a method for fabricating an oriented zeolite film including preparing a metal substrate and zeolite crystal with an aspect ratio of at least 2; laying the zeolite crystal on the metal substrate to obtain a first metal substrate; applying a precursor solution containing a first structure directing agent and a solvent on the first metal substrate to obtain a second metal substrate; placing the second metal substrate in a sealed container containing a predetermined amount of the solvent; and heating the sealed container at 100-550° C. for at least 15 minutes. Thus, a continuous oriented zeolite film is formed with uniform thickness and improved anti-corrosion ability.

The present invention relates to a surface-treated steel plate and to a production method for same, and more specifically relates to a surface-treated steel plate having outstanding corrosion resistance and thermal conductivity. In order to achieve this aim, in the present invention a macromolecular resin composition comprising graphene, which has highly outstanding physical properties including electrical conductivity, is coated onto the surface of a steel foundation plate, thereby making it possible to provide a surface-treated steel plate able to supremely well ensure not only corrosion resistance but also the intrinsic characteristics of graphene due to the macromolecular resin composition.

The present invention is directed to a coated substrate comprising: (a) a surface that has been impacted with an abrasive particle and a dopant such that at least some portion of the surface becomes attached with the dopant; and (b) a film-forming layer on at least a portion of the impacted surface, wherein the film-forming layer has been deposited from a film-forming composition; wherein the surface is impacted substantially simultaneously with the abrasive particle and the dopant; and wherein when the dopant comprises iron phosphate, zinc phosphate, manganese phosphate, cerium oxide, the film-forming composition is not a two-component epoxy clear coat.

A method using silicon dioxide improves the cathodic anticorrosion effect of ground coats, preferably of a zinc primer, based on epoxy-functional polymers and at least one metal particle.

The present invention relates to an alkaline aqueous composition on the basis of water glass and organosilanes with non-hydrolysable substituents which have a primary amino group in the substituents, for providing corrosion-protected coatings on metal surfaces which convey good reshaping properties in metal processing. For the desired functionality, the compositions according to the invention contain the organosilane and the water glass in a predetermined ration. The invention further relates to a method for pre-treating metal surfaces using the alkaline aqueous compositions, which method provides excellent results with regard to corrosion protection, varnish adhesion and reshapability, particularly on aluminum and on steel strips provided with aluminum alloy metal coatings.

An anti-corrosion pigment for use in an aqueous-based coating composition is provided herein. The anti-corrosion pigment disclosed comprises a plurality of titanium dioxide particles; in the range of from about 0.05% by weight to about 1% by weight, based on the total weight of the pigment, of at least one non-volatile, organic hydroxyl amine deposited on the surfaces of the titanium dioxide particles; and in the range of from about 0.02% by weight to about 1% by weight, based on the total weight of the pigment, of at least one organic dispersant deposited on the surfaces of the titanium dioxide particles. The pigment is in dry form. An aqueous-based coating composition, a method of forming a dry anti-corrosion pigment for use in an aqueous-based coating composition, and a method of forming an aqueous-based coating composition are also provided.

The present invention relates to the application of polymeric resins and TiO2 doped with polymeric resins as coatings for external metal surfaces for industrial use, mainly by selecting the following metals: stainless steel, carbon steel and copper. Focuses specifically on the synthesis of a polymeric resin waterborne corrosion consisting of nano-structured polymer particles formed with two or more acrylic monomers, vinyl or styrenic a functionalizing agent and a crosslinking agent from 1.0 to 20% wt. each. Doping addition is made of the same polymeric resins, which are incorporated in nanotubes of titanium dioxide in concentrations ranging from 50 to 10,000 ppm. The polymeric resin is water based corrosion synthesized by emulsion polymerization techniques and is during the synthesis process is introduced nanotube loading of titanium dioxide (which are synthesized according to U.S. Pat. No. 7,645,439 B2), which allowing the dispersion in the polymer matrix. Polymer dispersions obtained in this way are used as anti-corrosion coatings 100% water based.