The invention relates to a method for producing a pre-treatment coating composition for a metal substrate, the method comprising the steps of: i. mining graphite ore from a graphite ore body; ii. subjecting the graphite ore to an electrolytic treatment to obtain an expanded graphitic material; iii. subjecting the expanded graphitic material to an exfoliation treatment to obtain single-layer graphene and few-layer graphene, and iv. functionalising the graphene with a coupling agent for coupling graphene to the metal substrate.

The present invention relates to modified-metal -particles for corrosion-protection coatings 16 a method for their production and their use anti-corrosive coating compositions and methods for their use. The coating compositions include modified metal particles and a binding agent. The modified metal particles can include zino, aluminum, magnesium, bismuth, tin, nickel, or manganese as well as their mixtures and alloys thereof and have an inorganically-based surface modification in the form of a coating layer capable of imparting cathodic corrosion protection. Suitable surface modifications include a coating layer formed by an inorganic oxide including silicon dioxide, titanium oxide, zirconium oxide, and mixtures thereof.

A graphene anti-corrosion coating is described that comprises an epoxy resin and graphene subjected to surface modification, where the addition amount of the graphene is 0.01-0.2 wt % of the total mass of coating solid. By performing surface treatment on the graphene, the dispersity of the graphene in the coating is improved, and the compactness of the coating is enhanced.

A coating comprising epoxy functional resin, corrosion resistant particles, and a multi-functional crosslinker are disclosed as are methods of using such a coating to coat at least a portion of a substrate and a substrate coated thereby.

A fast drying, heavy metal-free, high performance coating composition with outstanding UV resistance, and excellent corrosion resistance coupled with fast dry and long pot life. This coating can be applied over DTM, such as blasted cold rolled steel, or treated cold rolled steel, aluminum and treated aluminum. High corrosion resistance without sacrificing gloss or UV resistance achieved by selecting proper pigments and proper pigment design and packing by advantageously utilizing differing pigment morphologies (sizes and shape).

A dispersion wherein dispersoid particles including colloidal silica and zinc cyanurate are dispersed in a liquid medium. The colloidal silica particles may have an average diameter of 5 to 500 nm, and the dispersion may contain 0.1 to 40% by mass of the particles in terms of SiO.sub.2 concentration. Primary particles of the zinc cyanurate may have a major axis length of 50 to 1000 nm, a minor axis length of 10 to 300 nm, and a ratio of major to minor axis length of 2 to 25, and the dispersion may contain 0.1 to 50% by mass of the particles in terms of solids content. A mass ratio of the colloidal silica to the zinc cyanurate particles may be 1:0.01 to 100, and total solids content may be 0.1 to 50% by mass. The liquid medium may be water or an organic solvent.

A chromium-free insulation coating composition includes 100 parts by weight of a phosphate solution, 1-5 parts by weight of molybdate, 50-150 parts by weight of silica sol, 3-13 parts by weight of selenium dioxide, 1-10 parts by weight of metal oxide and/or metal hydroxide, 5-15 parts by weight of organic acid, 1-6 parts by weight of boric acid, and 100-300 parts by weight of water.

A coating-forming composition for an electrical steel sheet that maintains excellent insulating properties, corrosion resistance, adhesion, and the like required in a coating for an electrical steel sheet, and exhibits excellent viscosity stability, with an increase in viscosity over time being kept gradual. A coating-forming composition for an electrical steel sheet comprises colloidal silica, a phosphate, phenylphosphonic acid or a salt thereof, and an aqueous medium.

The present invention relates to a composition comprisinga specific binder containing at least one cocondensate based on at least one -glycidyloxyalkylalkoxysilane and a bis(alkoxyalkylsilyl)amine, water, alcohol in an amount of less than 3% by weight, based on the composition, at least one addition selected from the group consisting of particulate metals, metal alloys and metal compounds and optionally at least one additive, where the pH of the composition is from 1 to 14 and the dry residue of the binder is from 1 to 50% by weight, based on the binder used, a process for the production thereof and also the use thereof for coatings, in particular for the protection of metals against corrosion.

A system and method for a fire-retardant insulation product are provided, along with a fire-retardant chemical formulation. An insulation product provided includes cellulose fibers and a fire-retardant chemical formulation. The fire-retardant includes calcium chloride.