C09D5/084

Coatings and methods for using and producing the same

Coatings and methods of using and producing the same are provided. In an exemplary embodiment, a coating includes a first ligand and a second ligand different than the first ligand. The first ligand includes a first carboxylic moiety, a first aromatic moiety, and a first linking moiety connecting the first carboxylic moiety to the first aromatic moiety. the first linking moiety includes an alkene. The second ligand includes a second carboxylic moiety. The coating includes a metal that is a lanthanoid metal, and the coating includes a coating resin.

Soluble corrosion resistant sol-gel

Aspects described herein generally relate to a sol-gel that is the reaction product of an organosilane, a metal alkoxide, an acid, and chromium (III) salt and/or a lanthanide salt having a solubility of about 1 gram or greater per gram of sol-gel at 23 C. The lanthanide salt includes a cation and a ligand. The cation can be lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, scandium, yttrium, cobalt, calcium, strontium, barium, and zirconium. A ligand can be a nitrate, a trifluoromethane sulfonate, a sulfate, a phosphate, a hydroxide, or hydrate forms thereof. The chromium (III) salt includes a cation and a ligand. The cation is chromium (III) and the ligand can be a nitrate, a trifluoromethane sulfonate, a sulfate, a phosphate, a hydroxide, or hydrate forms thereof.

SYSTEMS, COMPOSITIONS, AND METHODS FOR ENHANCED ELECTROMAGNETIC SHIELDING AND CORROSION RESISTANCE
20210040334 · 2021-02-11 ·

Aspects of the present disclosure provide a coating composition that includes a polymer material comprising an electrically conductive polymer; and a coated or partially coated magnetic material comprising a magnetic material and an antioxidant material. Aspects of the present disclosure further provide a method of making a coating composition that includes introducing, under first conditions, a magnetic material to a passivation solution comprising an antioxidant to form a coated (or partially coated) magnetic material; and introducing, under second conditions, the coated (or partially coated) magnetic material to a mixture comprising a polymer material to form a coating composition. Aspects of the present disclosure further provide a coated substrate that includes a film and a substrate, the film including a coating composition that includes an electrically conductive polymer, a magnetic material, and an antioxidant.

CORROSION INHIBITOR FOR SYSTEMS WITH MIXED METALLURGY
20210040622 · 2021-02-11 · ·

A method of inhibiting corrosion of a metal surface in contact with an aqueous medium is provided. The method may include contacting the metal surface with a corrosion inhibitor composition where the corrosion inhibitor composition may include a phosphino succinic oligomer (PSO); an azole; and a molybdate. The disclosed corrosion inhibitor composition is especially useful for inhibiting corrosion in mixed metallurgy systems.

ENVIRONMENTAL BARRIER COATING

An article according to an exemplary embodiment of this disclosure, among other possible things includes a substrate and a barrier layer on the substrate. The barrier layer includes a bond coat comprising a matrix, diffusive particles disposed in the matrix, and gettering particles disposed in the matrix; a topcoat; and a porous interlayer disposed between the topcoat and the bond coat. The porous interlayer has a porosity that is greater than a porosity of the topcoat. A slurry composition for applying an interlayer to an article and method of applying a top coat to an article are also disclosed.

Direct-to-metal coating composition

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).

COATING COMPOSITIONS FOR APPLICATION UTILIZING A HIGH TRANSFER EFFICIENCY APPLICATOR AND METHODS AND SYSTEMS THEREOF

A system for applying a first, a second, and a third coating composition. The system includes a first high transfer efficiency applicator defining a first nozzle orifice. The system further includes a second high transfer efficiency applicator defining a second nozzle orifice. The system further includes a third high transfer efficiency applicator defining a third nozzle orifice. The system further includes a substrate defining a target area. The first, the second, and the third high transfer efficiency applicators are configured to expel the first coating composition through the first nozzle orifice to the target area of the substrate, through the second nozzle orifice to the target area of the substrate, and through the third nozzle orifice to the target area of the substrate.

DISPERSION COMPRISING COLLOIDAL SILICA PARTICLES AND ZINC CYANURATE PARTICLES

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.

Synergistic corrosion inhibitor compositions

The invention comprises synergistic compositions of at least one metal polycarboxylate and lithium phosphate. The synergistic compositions are designed to be added to film-forming or other compositions to reduce the corrosion of various metal surfaces or substrates on which the synergistic compositions are applied.

SPACECRAFT, COATING AND METHOD
20240002672 · 2024-01-04 ·

A spacecraft, for example a satellite, or a part thereof having a coating comprising a 2D material on an outer surface thereof is described. The 2D material comprises one or more elements, excluding C, N and S, in an amount of at least 50 at. %; and respective oxides of the one or more elements of the 2D material have a vapour pressure of at most 10 Pa at a temperature of 323 K.