Abstract: A method of making cerium citrate includes combining cerium carbonate and citric acid to produce cerium citrate and carbon dioxide. The cerium citrate is substantially free of negative ions other than citrate. The cerium citrate can be used in a corrosion inhibitor composition.

Abstract: A turbine engine system includes a first lubricant circuit, a second lubricant circuit, a plurality of engine stages and a shaft. The first lubricant circuit includes a first turbine engine component that is fluidly coupled with a first lubricant heat exchanger. The second lubricant circuit includes a second turbine engine component that is fluidly coupled with a second lubricant heat exchanger, wherein the second lubricant circuit is fluidly separate from the first lubricant circuit. The first turbine engine component includes a gear train, which connects a first of the engine stages to a second of the engine stages. The second turbine engine component includes a bearing. The shaft is supported by the bearing and connected to one of the engine stages.

Abstract: Disclosed is a corrosion inhibition coating, comprising: a base comprising a matrix and a metal within the matrix; and an inhibitor comprising: zinc molybdate, cerium citrate, magnesium metasilicate, a metal phosphate silicate, or a combination thereof, wherein the metal within the matrix comprises aluminum, an aluminum alloy, zinc, a zinc alloy, magnesium, a magnesium alloy, or a combination thereof. Also disclosed is a substrate coated with the corrosion inhibition coating.

Abstract: Compositions and methods for inhibiting the corrosion of metals in contact with an aqueous system are provided. The method of inhibiting corrosion includes maintaining effective amounts of (1) an amino acid-based polymer, such as a polyaspartic acid compound, and (2) a dispersible and/or soluble tin compound in the aqueous system. The corrosion inhibiting components of the treatment may be added simultaneously or separately into the water of the aqueous system, i.e., provided either in a single treatment product or as separate products. The single treatment single treatment product may include the amino acid-based polymer and a dispersible and/or soluble tin compound. Such a corrosion inhibiting composition may optionally also include a polycarboxylic acid chelating agent and/or a carboxylate/sulfonate functional copolymer.

Abstract: The present invention relates to a composition for an anti-corrosive coating agent and a manufacturing method for same. The present invention includes: a metal flake; a sol-gel resin; a polyurethane prepolymer having NCO % of 2.5-3.1 and average molecular weight of 70,000-100,000; and a solvent.

Abstract: The invention relates to an anti-corrosive composition comprising an active material of formula I wherein R is an aliphatic chain of C12 to C20 and n?20; an anti-corrosive pigment, a filler mixture, and a diluent or carrier. The invention also relates to a process for preparing the anticorrosive composition and a metal substrate having a coating comprising the anti-corrosive composition.

Abstract: Corrosion inhibition systems, including coated substrates, coating materials and corrosion inhibition compounds, and methods of making the same are disclosed. These systems and methods include corrosion inhibition compounds that are responsive to corrosion at a surface, releasing active inhibitor groups upon a corrosion stimulus. The active inhibitor groups are selected to block corrosion at the surface by inhibiting oxidation reactions, reduction reactions and/or by forming a passivation layer.

Abstract: Water treatment compositions are provided that are effective for mitigating corrosion or fouling of surfaces in contact with aqueous systems. The water treatment compositions can include one or more azole compounds, one or more transition metals, and one or more dispersants, in addition to various other additives. The water treatment compositions can exclude phosphorus and still be effective. Methods for mitigating corrosion or fouling of a surface in an aqueous system are also provided.

Abstract: The present invention relates to a polymerizable composition and to a method for coating metal surfaces, in particular steel, galvanized and alloy-galvanized steel, and also aluminum and alloys thereof, as protection against corrosion. The polymerizable composition preferably contains less than 10% by weight of portions which are not incorporated in the cured coating. In a further aspect, the invention relates to the use of the claimed composition for coating workpieces consisting of the above-mentioned metals, particularly metal surfaces in blanking lines (coil coating). The present invention therefore also comprises the use of metal surfaces, coated according to the invention, for the production of “white goods” (household appliances), automobile bodies, electronic component housings, and for the building trade and the transport sector.

Abstract: The disclosed invention relates to corrosion resistant additive composition comprising an aniline oligomer and a catalyst. The invention also relates to a coating composition comprising the foregoing corrosion resistant additive composition and a resin that is reactive with the aniline oligomer, the catalyst being present at an effective concentration to effect room temperature cure of the coating composition.

Abstract: Disclosed are quaternary ammonium salts containing non-halogen anions such as carbonates, bicarbonates, phosphates, glycolates and mixtures thereof as conversion coatings or additives imparting anti-corrosive properties to paints. The invention relates to a method for inhibiting the corrosion of metal surfaces by applying a composition containing one or more quaternary ammonium carbonate or bicarbonate. The disclosure is also directed to anti-corrosive coatings for metal substrates containing these compounds and to metal substrates having these anticorrosive coatings.

Abstract: Coating compositions are disclosed that include corrosion resisting particles such that the coating composition can exhibit corrosion resistance properties. Also disclosed are substrates at least partially coated with a coating deposited from such a composition and multi-component composite coatings, wherein at least one coating later is deposited from such a coating composition. Methods and apparatus for making ultrafine solid particles are also disclosed.

Abstract: The present invention includes compositions and methods of supplying a corrosion inhibitor including placing a corrosion inhibitor attached to a nanostructure carrier, placing the nanostructure carrier containing the corrosion inhibitor at a location and the nanostructure carrier is capable of releasing the corrosion inhibitor.

Abstract: The present invention relates to a composition for an anti-corrosive coating agent and a manufacturing method for same. The present invention includes: a metal flake; a sol-gel resin; a polyurethane prepolymer having NCO % of 2.5-3.1 and average molecular weight of 70,000-100,000; and a solvent.

Abstract: A rust preventive oil composition includes at least one base oil selected from the group consisting of mineral oils and synthetic oils, having a 5%-distillation temperature of not less than 140° C. and not more than 250° C., a 95%-distillation temperature of 250° C. or less, a difference between the 5%-distillation temperature and the 95%-distillation temperature of 90° C. or less, an aromatic content of 5% by volume or less, a naphthene content of not less than 30% by volume and not more than 95% by volume, a density at 15° C. of 0.75 g/cm3 or more, and a kinematic viscosity at 40° C. of not less than 0.3 mm2/s and not more than 5.0 mm2/s; at least one base oil selected from the group consisting of mineral oils and synthetic oils; and a rust-preventing additive.

Abstract: Coating compositions are disclosed that include corrosion resisting particles such that the coating composition can exhibit corrosion resistance properties. Also disclosed are substrates at least partially coated with a coating deposited from such a composition and multi-component composite coatings, wherein at least one coating later is deposited from such a coating composition. Methods and apparatus for making ultrafine solid particles are also disclosed.

Abstract: The invention relates to coated particles comprising a core material and a shell and wherein said core material is an organic compound and wherein said shell comprises a layered double hydroxide comprising a hydroxide or an organic anion as charge-balancing anion.

Abstract: Coating compositions are disclosed that include corrosion resisting particles such that the coating composition can exhibit corrosion resistance properties. Also disclosed are substrates at least partially coated with a coating deposited from such a composition and multi-component composite coatings, wherein at least one coating later is deposited from such a coating composition. Methods and apparatus for making ultrafine solid particles are also disclosed.

Abstract: Coating compositions are disclosed that include corrosion resisting particles such that the coating composition can exhibit corrosion resistance properties. Also disclosed are substrates at least partially coated with a coating deposited from such a composition and multi-component composite coatings, wherein at least one coating later is deposited from such a coating composition. Methods and apparatus for making ultrafine solid particles are also disclosed.

Abstract: A polymer with a backbone and an unsaturated side chain attached to the backbone. The polymer may optionally be combined with an oxidation catalyst and/or other ingredients.

Abstract: The invention relates to an aqueous, chromium-free and curable corrosion protection agent for the first coating of metal surfaces, said agent containing at least one organic polymer or copolymer of at least partially acylated vinyl amines, for improving the properties of adhesion of the cured first coating to the metallic surface and to further organic coatings. The invention also relates to a method for producing a first coating comprising the agent according to the invention, and for applying further organic coatings, in particular those based on polyurethane resins and/or based on isocyanates and diols or polyols, and to a metal strip produced in this way or a metal sheet cut off same, which can optionally be shaped.

Abstract: The present invention relates to anti-corrosive particles based on inorganic oxide products such as silica or alumina modified with polyvalent metal cations optionally comprising anions of weak acids which may be inorganic or organic in nature and their conjugate species. In particular, the present invention is concerned with anti-corrosive pigment particles comprising inorganic oxides or mixtures of inorganic oxides displaying mesoporosity and/or macroporosity such that the average pore size, averaged over the mixture of inorganic oxides where more than one oxide is involved is greater than 2 nm and the average pore volume is greater than 0.2 ml/g. The present invention is also related to methods of making such particles and to anti-corrosive compositions made with them. The present invention further relates to articles to which the anti-corrosive compositions have been applied.

Abstract: An anti-corrosion compound including a hydrocarbon grease and an aluminum/indium/zinc powder blended into the hydrocarbon grease.

Abstract: Provided is a chromium-free, low-temperature curable, metal-surface treatment composition comprising 5 to 30 parts by weight of a silane compound having an epoxy group and a silane compound having an amino group or a hydrolytic condensate thereof; 0.1 to 5 parts by weight of a vanadium compound; 0.1 to 5 parts by weight of a magnesium compound; 1 to 10 parts by weight of organic/inorganic acids; 0.05 to 2 parts by weight of a crosslinking accelerating and coupling agent; 0.01 to 1 part by weight of an antifoaming agent; 1 to 2 parts by weight of a wetting agent; and the balance of water and ethanol, based on 100 parts by weight of the total solution. In addition, a steel sheet coated with the above-described metal-surface treatment composition is low-temperature curable and provides anticorrosiveness while containing no chromium components.

Abstract: Disclosed herein are heat transfer and antifreeze compositions comprising 1,3-propanediol, wherein the 1,3-propanediol in said heat transfer or antifreeze composition has a bio-based carbon content of about 1% to 100%. In addition, it is preferred that the 1,3-propanediol be biologically-derived, and wherein upon biodegradation, the biologically-derived 1,3-propanediol contributes no anthropogenic CO2 emissions to the atmosphere.

Abstract: The invention relates to coated particles comprising a core material and a shell and wherein said core material is an organic compound and wherein said shell comprises a layered double hydroxide comprising a hydroxide or an organic anion as charge-balancing anion.

Abstract: Water-based colorant traced formulations (products) containing one or more water treatment agents, such as phosphonates, polyacrylic acids and/or polymers, co-polymers, terpolymers thereof, azoles, molybdate, polysilicates, phosphates, zinc, polyphosphates, etc., are provided wherein the water-soluble colorant is detectable in the visible light range of about 580-640 nm and is chemically inert relative to the water treatment agent(s). Measurement of an optical property of the colorant in the treated coolant water permits the concentration of the product therein to be ascertained, and the level of the product containing can be adjusted for controlling scale, corrosion, deposition, and/or microbial activity in commercial and/or industrial cooling water systems. These products may be reliably monitored and dosed to maintain a product level in treated water of 5 to 500 mg/L.

Abstract: A corrosion inhibitor composition comprising one or more organic solvents, one or more corrosion inhibitor intermediates and about 0.1 to about 20 weight percent of one or more iodide salts dissolved in said composition and methods of using the corrosion inhibitor composition in acid fracturing and matrix acid stimulation of subterranean formations.

Abstract: Coating compositions are disclosed that include corrosion resisting particles such that the coating composition can exhibit corrosion resistance properties. Also disclosed are substrates at least partially coated with a coating deposited from such a composition and multi-component composite coatings, wherein at least one coating later is deposited from such a coating composition. Methods and apparatus for making ultrafine solid particles are also disclosed.

Abstract: An organic solderability preservative (OSP) composition comprising an alkyl cyclic alcohol and an azole compound having enhanced composition stability against crystallization of the azole compound.

Abstract: Coating compositions are disclosed that include corrosion resisting particles such that the coating composition can exhibit corrosion resistance properties. Also disclosed are substrates at least partially coated with a coating deposited from such a composition and multi-component composite coatings, wherein at least one coating later is deposited from such a coating composition. Methods and apparatus for making ultrafine solid particles are also disclosed.

Abstract: A coating composition is disclosed that includes a binder, a tri-valent chromium solid, and a stabilized oxidizing agent. The coating composition is used in a method to protect a surface of a metallic article, such as an aluminum article. The tri-valent chromium solid forms a soluble hexavalent chromium compound as a result of reaction with the oxidizing agent when activated in the presence of a corrosive environment. The released water soluble hexavalent chromium migrates to coating defects to protect the metallic article.

Abstract: The present invention relates to a polymerizable composition and to a method for coating metal surfaces, in particular steel, galvanized and alloy-galvanized steel, and also aluminum and alloys thereof, as protection against corrosion. The polymerizable composition preferably contains less than 10% by weight of portions which are not incorporated in the cured coating. In a further aspect, the invention relates to the use of the claimed composition for coating workpieces consisting of the above-mentioned metals, particularly metal surfaces in blanking lines (coil coating). The present invention therefore also comprises the use of metal surfaces, coated according to the invention, for the production of “white goods” (household appliances), automobile bodies, electronic component housings, and for the building trade and the transport sector.

Abstract: Described herein are compositions for reducing or preventing the degradation of equipment and articles exposed to hydrogen sulfide present in high concentrations in subterranean environments (e.g., oil and gas wells). The compositions are composed of a thermoplastic resin, a thermosetting resin, or a combination thereof, and at least one compound that interacts with hydrogen sulfide from the subterranean environment. In certain aspects, the compositions are coated on the article of interest. In other aspects, the composition is used to manufacture the article and, thus, is integrated throughout the article.

Abstract: Chromium-free, curable corrosion protection composition for primary coating of metallic substrates, which has a pH in the range from 1 to 3 and contains water and a) fluorocomplex ions of titanium and/or zirconium, b), at least one corrosion protection pigment, c) at least one organic polymer which is soluble or dispersible in water in the specified pH range and on its own in aqueous solution at a concentration of 50% by weight has a pH in the range from 1 to 3, process for treating metal strip with this composition and treated metal strip which can be obtained in this way. The organic polymer c) is preferably selected so that it contains at least one monomer selected from among acrylic acid, methacrylic acid, acrylic esters and methacrylic esters as free-radically polymerizable, ethylenically unsaturated monomers and has at least one type of functional groups selected from among epoxy, silane, hydroxy, carboxyl, phosphoric acid and phosphoric ester groups.

Abstract: The present invention relates to the use of a nanostructured material, as a protective coating for metallic surfaces, said nanostructured material comprising functionalized nano-building blocks and a polymer or hybrid organic/inorganic matrix. It also relates to a particular nanostructured material in which the matrix is prepared from at least three silicon alkoxides.

Abstract: A sheathed posttensioning cable assembly including an elongated metallic cable and a coaxially disposed outer sheath, with the cable assembly including a polymeric resin fiber/filament impregnated with a migratory corrosion inhibitor being inserted within the sheath and extending along the length of the cable. The polymeric resin is preferably polypropylene, polyethylene, nylon, or polyethylene terephthalate, with the corrosion inhibitor comprising a 50:50 blend of sodium benzoate and alkali metal sebacate. The inhibitor preferably comprises between 5% and 10% by weight of the impregnated fiber/filament.

Abstract: Systems and methods for enhanced autogenous healing of cracks that are formed or are present in concrete-containing materials and surfaces are disclosed. Treatment modalities that include addition of the disclosed materials, compositions and systems to pre- and post-construction concrete-containing materials and surfaces are provided. Autogenous healing is effected at a greater rate and to a larger degree as compared to control systems. The disclosed compositions and systems also yield reductions in the rate and/or impact of corrosion are achieved for concrete-containing structures and surfaces and, despite the water soluble properties of the compositions and systems, the treatments are effective in delivering an advantageous level of moisture resistance to the treated concrete-containing structure and/or surface. The composition is synthesized from a feedstock that includes C9 to C16 branched hydrocarbons of varying structures.

Abstract: A method of triggering a film containing an oxygen scavenger includes providing composition including a peroxide; and packaging the composition in a film including an oxygen scavenger; whereby the oxygen scavenger is triggered in the absence of ultraviolet light, visible light, and electron beam radiation by exposure to the peroxide or an associated enriched oxygen environment.

Abstract: A combination includes a composition providing corrosion resistance for application to a post-construction material, and a post-construction material, wherein the composition is applied to at least one surface of the post-construction material after the post-construction material has hardened. The composition may include an effective amount of a thinning agent, e.g., isopropyl alcohol, ethanol, xylene or similar composition. The composition may be an aqueous solution of a metal salt of a dioic acid. The post-construction material may be reinforced or unreinforced concrete. The post-construction material may be a concrete-containing structure, and the composition may be applied to an exterior surface thereof.

Abstract: The invention relates to a method for prevention of corrosion by naphthenic acids in a refinery comprising the use of a compound of the formula HS—B—COOR, where B is a saturated bivalent 1-18 C hydrocarbon and R is H, alkaline or alkaline earth metal, ammonium, straight or branched alkyl, cycloalkyl, aryl, alkylaryl or arylalkyl with 1-18 C atoms.

Abstract: The invention provides an anticorrosive surface coating composition comprising a resin system, and a hydrophobic metal oxide. The hydrophobic metal oxide is characterized by being produced via a wet process and having a surface area of at least about 350 m2/g. The invention also provides a method of producing such an anticorrosive coating composition. The invention further provides a substrate having a surface coated with the surface coating composition of the invention, as well as a method of imparting corrosion resistance to a surface of a substrate.

Abstract: Water soluble materials, compositions and systems for use in treating concrete-containing materials and surfaces are disclosed. Treatment modalities that include addition of the disclosed materials, compositions and systems to pre- and post-construction concrete-containing materials and surfaces are provided. Reductions in the rate and/or impact of corrosion are achieved for concrete-containing structures and surfaces. In addition, despite the water soluble properties of the material, composition or system, the treatments are effective in delivering an advantageous level of moisture resistance to the treated concrete-containing structure and/or surface. The composition is synthesized from a feedstock that includes C9 to C16 branched hydrocarbons of varying structures.

Abstract: A coating for a tribologically heavily loaded component, wherein the coating is in the form of a ceramic coating made of an organic-inorganic prepolymer which is pyrolyzed after being applied to the component.

Abstract: An anti-corrosive additive composition is provided that includes an alkali-based salt of dioic acid and a defoamer agent. The defoamer agent is generally selected from the group consisting of a polyether modified polysilicane, a tri-alkane phosphate, a tri-alkene phosphate, and mixtures thereof. The anti-corrosive additive is particularly adapted for use with concrete compositions, e.g., a concrete composition that includes at least one rebar.

Abstract: Agents for surface treatment which can impart excellent corrosion resistance to zinc or zinc alloy products at low cost. The agents for the surface treatment of zinc or zinc alloy products of this invention include at least one water-soluble compound which contains antimony, bismuth, tellurium or tin. Ideally, a nickel salt and/or a manganese salt is also included, and most desirably tannins and/or thioureas are also included. Ideally, the zinc or zinc alloy products which have been immersed and treated in an aqueous solution which contains these agents for surface treatment are immersed in an aqueous solution which includes a sealing treatment agent selected according to the colour of the zinc or zinc alloy product to seal pinholes.

Abstract: A non-carcinogenic corrosion inhibiting additive includes an anodic corrosion inhibitor and/or a cathodic corrosion inhibitor and a solubility enhancer for the inhibitors in the form of a metal complexing agent.

Abstract: Water-based colorant traced formulations (products) containing one or more water treatment agents, such as phosphonates, polyacrylic acids and/or polymers, co-polymers, terpolymers thereof, azoles, molybdate, polysilicates, phosphates, zinc, polyphosphates, etc., are provided wherein the water-soluble colorant is detectable in the visible light range of about 580-640 nm and is chemically inert relative to the water treatment agent(s). Measurement of an optical property of the colorant in the treated coolant water permits the concentration of the product therein to be ascertained, and the level of the product containing can be adjusted for controlling scale, corrosion, deposition, and/or microbial activity in commercial and/or industrial cooling water systems. These products may be reliably monitored and dosed to maintain a product level in treated water of 5 to 500 mg/L.

Abstract: A method comprises subjecting ant oxygen scavenger to actinic radiation; and then optionally storing the oxygen scavenger in a container, the container configured such that the oxygen scavenger exhibits no substantial oxygen scavenging activity while inside the container. The dosed oxygen scavenger can later be removed from the container, if stored therein, subjected to a second dose of actinic radiation to trigger the oxygen scavenger, and used in packaging oxygen sensitive products. A stored oxygen scavenger, untriggered, is also disclosed.

Abstract: Water soluble materials, compositions and systems for use in treating concrete-containing materials and surfaces are disclosed. Treatment modalities that include addition of the disclosed materials, compositions and systems to pre- and post-construction concrete-containing materials and surfaces are provided. Reductions in the rate and/or impact of corrosion are achieved for concrete-containing structures and surfaces. In addition, despite the water soluble properties of the material, composition or system, the treatments are effective in delivering an advantageous level of moisture resistance to the treated concrete-containing structure and/or surface. The composition is synthesized from a feedstock that includes C9 to C16 branched hydrocarbons of varying structures.