A coating, a method for coating surfaces, and the coated surfaces. The method includes providing a substrate with a cleaned metal surface; contacting and coating the metal surface with an aqueous composition having a ph of from 0.5 to 7.0 and in the form of a dispersion and/or a suspension; optionally rinsing the organic coating; and drying and/or baking the organic coating, or optionally drying the organic coating and coating same with a similar or another coating composition thereto. The composition contains a complex fluoride in a quantity of 1.1 10.sup.6 mol/l to 0.30 mol/l based on the cations. An anionic polyelectrolyte in a quantity of 0.01 to 5.0 wt % based on the total mass of the resulting mixture is added to an anionically stabilized dispersion made of film-forming polymers and/or a suspension made of film-forming inorganic particles.

The invention relates to a coating for preventing intermetallic bonding, in particular to a water-based high-temperature-resistant titanium-steel anti-bonding coating and its use in the preparation process of titanium ingot. The water-based high-temperature-resistant titanium-steel anti-bonding coating of the invention includes the following components in parts by weight: 50-150 parts of water-based film-forming agent, 0-50 parts of Zn powder, 400-450 parts of Al.sub.2O.sub.3 powder, and 250-350 parts of talcum powder. The coating of the invention can avoid the bonding reaction with a roller or a winch of the steel equipment in the rolling or perforation process of a titanium tube at 900 C., so as to improve the yield and the production efficiency of titanium material processing. Moreover, the process is simple and easy to operate, the coating is environment-friendly and pollution-free, and easy to prepare.

A corrosion inhibiting additive and methods of making the corrosion inhibiting additive are described. The corrosion inhibiting additive comprises a metal appended deactivated aromatic compound. The method includes reacting a metal salt with a deactivated aromatic compound to form a metal appended dichloro-diphenyl sulfone. Corrosion inhibiting coating compositions including the metal appended deactivated aromatic compound are also described.

The present disclosure relates to agents, compositions, and methods for inhibiting corrosion in various substrates, for example in metal substrates. The present disclosure also relates to compositions for inhibiting corrosion comprising at least one organic heterocyclic compound and at least one metal salt or mixed metal salt selected from rare earth, alkali earth and transition metals.

The present disclosure is directed to a coated metal substrate comprising a metal substrate; a coating applied over at least a portion of the metal substrate, wherein the coating comprises a film-forming binder; magnesium oxide; and an aluminum compound and/or iron compound; wherein the coating has a dry film thickness of at least 10 microns, and the magnesium oxide and the aluminum and/or iron compound are present in a weight ratio of 1:1 to 240:1. The present disclosure is also directed to a curable film film-forming coating composition a film-forming binder; magnesium oxide; and an aluminum compound and/or iron compound, wherein the magnesium oxide and the aluminum and/or iron compound are present in a weight ratio of 1:1 to 240:1. Also disclosed are methods of coating a substrate.

The present disclosure provides compositions including a carbon fiber material comprising one or more of an acyclic olefin group or a thiol disposed thereon; and a thermosetting polymer or a thermoplastic polymer. The present disclosure further provides metal substrates including a composition of the present disclosure disposed thereon. The present disclosure further provides vehicle components including a metal substrate of the present disclosure. The present disclosure further provides methods for manufacturing a vehicle component, including contacting a carbon fiber material with a carbon-containing zinc-titanium or a thiol to form a coated carbon fiber material; and mixing the coated carbon fiber material with a thermosetting polymer or a thermoplastic polymer to form a composition. Methods can further include depositing a composition of the present disclosure onto a metal substrate.

The present invention is directed to a method for manufacturing a bismuth based pigment having an improved alkaline resistance, the method comprising: i) obtaining a dried bismuth based pigment; ii) encapsulation of the bismuth based pigment using a chelating agent; iii) final processing of the encapsulated pigment; and v) drying of the pigment. In addition, the present invention is directed to a bismuth based pigment encapsulated by a layer of chelating agent.

Described herein is an improved process for anticorrosion pretreatment of a metallic surface including steel, galvanized steel, aluminum, an aluminum alloy, magnesium and/or a zinc-magnesium alloy, wherein the metallic surface is brought into contact with i) an acidic aqueous composition A which includes a1) at least one compound selected from the group consisting of titanium, zirconium and hafnium compounds, and with ii) an aqueous composition B which includes b1) at least one (meth)acrylate resin and b2) at least one phenol resin, where the metallic surface is brought into contact firstly with the composition A and then with the composition B and/or firstly with the composition B and then with the composition A and/or simultaneously with the composition A and the composition B.

A method for forming an electrically conductive multi-layer coating with anti-corrosion properties and with a thickness comprised between 1 m and 10 m onto a substrate, comprising the following subsequent steps of (a) providing a suspension consisting of electrically conductive fillers into a matrix forming material; (b) depositing the suspension on at least a surface portion of a substrate; (c) exposing an atmospheric pressure plasma to the surface portion so as to form one electrically conductive layer with anti-corrosion properties; and (d) repeating the steps (a), (b) and (c). The method is remarkable in that the electrically conductive fillers are electrically conductive particles.

A hydroxyl graphene-modified plating sealant and a preparation method thereof are disclosed. The plating sealant comprises a film-forming material, a resist, a defoaming agent, a levelling agent, and deionized water; the resist is a nanoscale hydroxyl graphene aqueous solution comprising hydroxyl graphene having a mass fraction of 3.5% to 4% and a pH of 8.0 to 9.5. Nanoscale hydroxyl graphene is used as a resist in the plating sealant of the disclosure, then the hydroxyl groups on hydroxyl graphene can react with the hydroxyl groups of the film-forming material, i.e. silica sol and the silane polymer, by dehydration condensation, thereby significantly improving the performance of the sealing film. The sealing film has higher corrosion resistance and abrasion resistance compared with that prepared by graphene or reduced graphene oxide sealant.