Abstract: Provided is a humic acid-based coating suspension comprising humic acid, particles of an anti-corrosive pigment or sacrificial metal, and a binder resin dissolved or dispersed in a liquid medium, wherein the humic acid has a weight fraction from 0.1% to 50% based on the total coating suspension weight excluding the liquid medium. Also provided is an object or structure coated at least in part with such a coating.

Abstract: The present invention provides multifunctional particulates that release one or more functional compounds in response to environmental triggers and whose external surface modification imparts secondary functionalities to a selected coating composition. For example, disclosed are hydrophobic particles having a smart release mechanism for anticorrosion compounds that release the anticorrosion compounds upon exposure to the local pH changes induced by corrosion processes. Formulations are disclosed for multifunctional smart particles having antimicrobial effects and protections as well.

Abstract: A coating composition includes a (A) binder component and a (B) pigment component. The (A) binder component includes (A1) polyvinyl butyrate, (A2) a particular film forming resin, (A3) an acid, (A4) an optional functionalized tri-alkoxy silane, and (A5) an optional polymeric phosphate ester. The (B) pigment component includes (B1) a calcium ion-exchanged silica, (B2) a corrosion inhibiting pigment, and (B3), a polyalkylene oxide phosphate. The coating composition is formed by combining the aforementioned components. In a method, the coating composition is applied to a substrate.

Abstract: A method of inhibiting corrosion of metal during acid stimulation of an oil and gas well is provided. The method includes treating the oil and gas well with an acidic treatment fluid containing an acid, a corrosion inhibitor of formula I, wherein R1 to R5 are hydrogen, and a secondary corrosion inhibitor of formula (II) wherein R1 to R5 are independently hydrogen, an alkyl, an aryl, or an alkoxy, The treatment fluid is substantially free of an intensifier, a surfactant, an organic solvent and a dimeric reaction product obtained by a double condensation reaction between thiocarbohydrazide (H2N—NH—C(S)—NH—NH2) and two cinnamaldehyde compounds.

Abstract: A method for performing an acid stimulation operation using a downhole tool includes conveying the downhole tool in a borehole that is formed in a subsurface formation. The downhole tool includes a chamber to store stimulation fluid comprising a stimulation acid. The downhole tool includes a fluid injector that is fluidly coupled to an output of the chamber via a flow line of the downhole tool. The method includes coating the flow line with an acid resistant fluid. The method includes injecting, from the fluid injector via the flow line, the stimulation fluid into the subsurface formation that is released through the output of the chamber.

Abstract: The present disclosure introduces methods for characterizing iron core carbohydrate colloid drug products, such as iron sucrose drug products. Disclosed methods enable the characterization of the iron core size of the iron core nanoparticles in iron carbohydrates as they exist in the formulation in solution, such as e.g. iron sucrose drug products, and more particularly, the average particle diameter size and size distribution(s) of the iron core nanoparticles. The disclosed methods apply small-angle X-ray scattering (SAXS) in parallel beam transmission geometry, with a sample mounted inside a capillary and centered in the X-ray beam, to iron carbohydrates, such as iron sucrose, in solution without the need to modify the sample, such as to remove unbound carbohydrates, dilute, or dry the sample, to accurately characterize the average iron core particle diameter size of the iron core nanoparticles.

Abstract: A coating for vehicle components, such as frame assemblies and cradle assemblies formed of steel, is provided. The coating includes a first layer including a high phosphate composition applied to the substrate, and a second layer including wax applied to the first layer. For example, the first layer can include a first inorganic acid, an inorganic salt, a second inorganic acid, nickel salt, and ammonium bifluoride; and the second layer can include petroleum, carbon black pigment, and a corrosion inhibitor, the corrosion inhibitor including magnesium. The coating has been found to improve corrosion resistance when applied to steel substrates, compared to wax coatings which are currently applied to steel substrates.

Abstract: Methods and compositions for inhibiting corrosion of a metal product are provided. The metal product can be contacted with water that includes at least one carbonate and/or bicarbonate salt, or otherwise has components that increase the alkalinity of the water. In addition, or as an alternative, the water can include a stannous corrosion inhibitor. The water can be evaporated off of a surface of the metal product to provide a residual of the salt on the surface and/or a protective stannous film on the surface.

Abstract: Emulsifier particles and methods for making and using same. The emulsifier particles can include an alkali metal salt or an alkaline earth metal salt of a carboxylic acid terminated fatty amine condensate, an alkali metal salt or an alkaline earth metal salt of a modified tall oil, or a blend of an alkali metal salt or an alkaline earth metal salt of a carboxylic acid terminated fatty amine condensate and an alkali metal salt or an alkaline earth metal salt of a modified tall oil. The emulsifier particles can have a BET specific surface area of about 0.3 m2/g to about 1 m2/g. The method for making the emulsifier particles can include reducing a size of an emulsifier solid via a mechanical attrition process to produce the emulsifier particles.

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: Described herein are pretreatment compositions, coated aluminum alloy products, and methods for coating the alloys. The pretreatment compositions include inorganic chemical corrosion inhibitors dispersed in a silane-based matrix and may further include clay particles. The inorganic chemical corrosion inhibitors include rare earth metals and salts thereof. The pretreatment compositions, when applied to the surface of an alloy, inhibit corrosion of the alloys. The pretreatment compositions can be used in automotive, electronics, industrial, transportation, and other applications.

Abstract: Compositions are described for protecting a metal surface against corrosion. The composition includes a corrosion-inhibiting particle. The corrosion inhibiting particle may be usable in an epoxy resin-based coating or an olefin resin-based coating. The particle may include a core and a protectant. The core may include a water soluble corrosion inhibitor. The protectant may be disposed on at least a portion of a surface of the core and may be covalently or ionically bonded to a thiol group of the corrosion inhibitor. The protectant may be configured to reduce reaction between the core and the epoxy resin or the olefin resin. Methods of making the compositions are also disclosed.

Abstract: The present disclosure provides a method for coating a composite structure, comprising applying a single pretreating composition on a surface of the composite structure, the single pretreating composition comprising a first acid aluminum phosphate comprising a molar ratio of aluminum to phosphate between 1 to 2 and 1 to 3, and heating the composite structure to a first temperature sufficient to form an aluminum phosphate polymer layer on the composite structure.

Abstract: Coatings, for example polymer coatings or sol-gel coatings, including at least one layer of micrometric, individualised and mesostructured spherical particles. The particles having been created and loaded with at least one element selected from corrosion-inhibiting functional molecules and corrosion-inhibiting functional nano-objects, by a method having non-dissociable nebulization-heating steps that are continuous in a single reactor. The coatings form an anti-corrosion system, having mechanical strength and/or for coloring. The coatings are applicable, in particular, in the field of protecting light aeronautical alloys against corrosion.

Abstract: An anticorrosive pigment comprising an aluminum polyphosphate comprises at least one cerium-based compound and/or one lanthanum-based compound and/or one praseodymium-based compound. An anticorrosive paint incorporating the pigment is also provided.

Abstract: The present disclosure pertains to coatings with self-repairing capabilities. In some embodiments, the coatings may include a polymer blend, made up of at least two polymers. The coatings may further contain compatibilizers that are nanocontainer particles. The nanocontainers may be filled with self-healing agents. The self-healing agents may be agents that heal cracks formed in the coating or they may be anti-corrosion agents that reduce the corrosion of the underlying metal substrate.

Abstract: The present invention provides a method for making a porous silica aerogel composite membrane. The porous silicon oxide aerogel composite membrane includes a porous aluminum oxide membrane having a plurality of macro pores with an average diameter larger than 50 nm and a porous silica aerogel membrane formed on at least one side of the porous aluminum oxide membrane and the macro pores of surface layers of the porous aluminum oxide membrane where the porous silica aerogel membrane has a plurality of meso pores with an average diameter of 2˜50 nm and is derived from methyltrimethoxysilane precursor by a sol-gel synthetic method.

Abstract: Provided is a method for manufacturing a Zn—Mg alloy-coated steel sheet having high blackening resistance and coating adhesion. In one implementation, the method may include forming a Zn—Mg coating layer on a base steel sheet and performing a combustion chemical vapor deposition (CCVD) process to form an oxide film. The oxide film may include a metal oxide and the metal oxide may include silicon oxide (SiO2) and magnesium oxide (MgO). The base steel sheet may be maintained within a temperature range of 330° C. to 450° C. during the performing of the CCVD process.

Abstract: The present invention provide a composition for a chemical conversion treatment capable of forming a chemical conversion film having both an excellent black appearance such that the L-value of the film is 28 even when the film is formed from the composition which has been aged, and good corrosion resistance. The composition is a water-soluble composition and comprising a trivalent chromium-containing substance, a cobalt-containing substance, a sulfur compound, and an organic phosphonate compound consisting of one or more compounds selected from the group consisting of organic phosphonic acids, ions of organic phosphonic acids, and organic phosphonates, and a nickel-containing substance as needed. It is preferable that the content of the trivalent chromium-containing substance be 1 to 10 g/L in chromium content equivalent, that the content of the cobalt-containing substance be 0.1 to 10 g/L in cobalt content equivalent, that the content of the sulfur compound be 0.

Abstract: To protect a superalloy substrate from oxidation and hot corrosion, disclosed herein is a process that deposits successive layers on the substrate, a first layer of aluminum and of at least one element capable of being alloyed with sulphur, and a second layer of a material that isolates the at least one element capable of being alloyed with sulphur.

Abstract: An apparatus including a layer of electrically conductive material with an open interconnected wall structure of electrically conductive material formed thereon, the open interconnected wall structure having a gyroid structure including one or more open pores into which an active material for use in generating and/or storing electrical charge can be deposited, wherein the layer of electrically conductive material and the open interconnected wall structure together form a charge collector which provides an electrical path from the active material for the generated and/or stored electrical charge.

Abstract: The present invention relates to methods and compositions for coating aluminum substrates. In an embodiment, the invention includes a method of applying a coating on an aluminum substrate including contacting the aluminum substrate with a first solution. The first solution can include a zinc metal salt, a sugar acid or alkali metal salt thereof, and an alkali metal hydroxide. The method can also include contacting the aluminum substrate with a second solution. The second solution can include a molybdate salt, an alkanolamine, and a fluorine acid. Other embodiments are also included herein.

Abstract: A method for passivating metallic surfaces, wherein the surface is contacted with an aqueous composition comprising at least one water-soluble polymer (X) comprising acidic groups and with at least one surfactant (T) based on alkoxylated alcohols, the pH of the composition being in the range from 0.5 to 5, enables durable protection of the surface.

Abstract: The present invention relates to the discovery that melanoidins, and higher molecular weight fractions of products containing melanoidins, provide significant corrosive inhibition, which render these melanoidins suitable for use as anticorrosive agents in corrosive environments. In addition to being highly anticorrosive, the melanoidins of the present invention are environmentally friendly and non-toxic, and can be found in animal food and in human foodstuffs.

Abstract: The present invention relates to an acidic aqueous particulate composition containing, in addition to iron(III) ions, fluoride ions and at least one water-insoluble, dispersed organic binder, a water-insoluble, dispersed oxide pigment with elevated resistance to agglomeration for the autophoretic deposition of organic-inorganic hybrid layers onto metal surfaces, the composition additionally containing at least one anionic wetting agent which comprises functional groups selected from sulfonates, phosphonates and/or carboxylates. The invention furthermore comprises the use of such a composition for the autodeposition of a film-forming organic-inorganic hybrid coating onto metal surfaces which are at least in part selected from surfaces, the main constituents of which are iron, zinc and/or aluminum.

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: Disclosed are methods for treating metal substrates that include contacting the metal with pretreatment compositions comprising: (a) a group IIIB metal, a group IVB metal and/or a group VB metal; and (b) a rheology modifier composition.

Abstract: A bio-based corrosion inhibitor composition includes a corn stillage product, and may be a substantially water insoluble fraction of corn stillage. The corrosion inhibitor composition is useful in protecting metal articles from corrosion.

Abstract: A method and composition for enhancing corrosion resistance, wear resistance, and contact resistance of a device comprising a copper or copper alloy substrate and at least one metal-based layer on a surface of the substrate. The composition comprises a phosphorus oxide compound selected from the group consisting of a phosphonic acid, a phosphonate salt, a phosphonate ester, a phosphoric acid, a phosphate salt, a phosphate ester, and mixtures thereof; an organic compound comprising a nitrogen-containing functional group; and a solvent having a surface tension less than about 50 dynes/cm as measured at 25° C.

Abstract: The present invention relates to the discovery that melanoidins, and higher molecular weight fractions of products containing melanoidins, provide significant corrosive inhibition, which render these melanoidins suitable for use as anticorrosive agents in corrosive environments. In addition to being highly anticorrosive, the melanoidins of the present invention are environmentally friendly and non-toxic, and can be found in animal food and in human foodstuffs.

Abstract: Anticorrosion coating compositions for metallic parts based on particulate metal in aqueous dispersion are described. The compositions include an organic titanate or zirconate compatible in aqueous phase or in organic phase, an optional silane-based binder, and water. Also described are methods of forming anticorrosion coatings for metallic parts obtained from the noted coating compositions as well as a metallic substrate provided with the anticorrosion coating. The anticorrosion coatings exhibit excellent corrosion resistance upon baking at temperatures greater than 180° C. and up to 350° C.

Abstract: A process for increasing the adhesion of a polymeric material to a metal surface, the process comprising contacting the metal surface with an adhesion promoting composition comprising: 1) an oxidizer; 2) an inorganic acid; 3) a corrosion inhibitor; and 4) an organic phosphonate; and thereafter b) bonding the polymeric material to the metal surface. The organic phosphonate aids in stabilizing the oxidizer and organic components present in the bath and prevents decomposition of the components, thereby increasing the working life of the bath, especially when used with copper alloys having a high iron content.

Abstract: A novel method for the removal and prevention of rust from corroded iron surfaces is disclosed. This is done by inducing reducing conditions at the interphase between the rusted surface and the attached aluminum surface. An iron coating provided by the reducing conditions surrounds the clean iron and creates a barrier against future rust. Our technology is an oxygen displacement technology which essentially removes rust from iron and iron based tools and structures. It is cost effective, non-invasive, environmentally friendly and can be mass produced.

Abstract: An inorganic chromium-free metal surface treatment agent contains a compound X containing a metal X1, ionic species of which containing the metal X1 become cations in an aqueous solution, and a compound Y containing a metal Y1, ionic species of which containing the metal Y1 become anions in an aqueous solution, a total content of the compound X being from 0.01 to 10% by mass, a total content of the compound Y being from 0.01 to 10% by mass, a molar ratio of the metal X1 in the cation and the metal Y1 in the anion being from 0.1 to 5, the metal X1 being at least one member selected from the group consisting of Ti, Zr and Al, the metal Y1 being at least one member selected from the group consisting of Ti, Zr, Si, B and Al, and the metal surface treatment agent containing substantially no organic resin.

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: The invention relates to a process for preparing proton-conducting clay particles, successively comprising the following steps: a) a step of activating a clay powder, comprising a step in which the said powder is subjected to a gas plasma; b) a grafting step comprising a step of placing the activated powder obtained from step a) in contact with a solution comprising at least one compound comprising at least one group chosen from —PO3H2, —CO2H and —SO3H and salts thereof and comprising at least one group capable of grafting onto the surface of the said powder. Use of these particles for the manufacture of fuel cell membranes.

Abstract: Use of modified sheet silicates (a) in combination with at least one polycationic polymer (b) for protecting metallic surfaces against corrosion. Metallic surfaces which are protected against corrosion by means of modified sheet silicates (a) in combination with at least one polycationic polymer (b). Method of protecting metallic surfaces against corrosion, which comprises applying formulations to the metallic surface to be protected. Anticorrosion composition comprising modified sheet silicates (a) and at least one polycationic polymer (b).

Abstract: A chemical conversion treatment solution for a steel material is provided. The solution is an acidic aqueous solution of pH 3 to 5 containing 50 to 500 ppm by weight of zirconium fluoride complex in terms of Zr, 5 to 50 ppm by weight of free fluorine, and 5 to 30% by weight in relation to Zr of polyethyleneimine having a weight average molecular weight of 300 to 10,000, a molar ratio of the primary amino group of at least 30%, and a molar ratio of the tertiary amino group of at least 15% in relation to the total amino group content. A method for chemical conversion treatment is also provided. This invention realizes excellent coating adhesion and corrosion resistance after the coating, as well as improved throwing power in the coating, and in particular, in the electrodeposition coating of a steel material.

Abstract: Disclosed is a method for providing an anti-corrosion protective coating to a metal substrate that uses a coating composition comprising a resin and a polyfunctional bridging molecule to both bind to the resin and to chelate the bound polymeric resin directly to the metal substrate. One category of polyfunctional bridging molecules preferably includes at least one amine function to bind to a resin and at least one carboxylate, thiol, silane, phenolate, acetoacetonate, imine, phosphate, or phosphonate function to chelate to a metal substrate. It is theorized that the amine function can bind to certain pendent chains in coating resins through a Michael addition reaction while the carboxylate, thiol, silane, phenolate, acetoacetonate, imine, phosphate, or phosphonate functions chelate to the metal substrate. These polyfunctional bridging molecules provide an organic binding of the resin to the metal substrates.

Abstract: A corrosion inhibiting deicer composition includes an aqueous extract of corn stillage. The composition may be combined with a freezing point suppression agent to exhibit a freezing point of less than ?35° C. The composition may be applied as a deicer to corrosion-susceptible materials without substantial risk of corrosion.

Abstract: Disclosed and claimed is a method of inhibiting corrosion of a surface in contact with a corrosive environment encountered in oil and gas operations. The method includes contacting the surface with a composition comprising a quaternary nitrogen-containing corrosion inhibitor having the following general formula. The composition is preferably adherent to standards for environmental friendliness but has equal applicability in formulations that include conventional corrosion inhibitors.

Abstract: A bio-based corrosion inhibitor composition includes a corn stillage product, and may be a substantially water insoluble fraction of corn stillage. The corrosion inhibitor composition is useful in protecting metal articles from corrosion.

Abstract: The composition described herein for the prevention of corrosion comprises: sacrificial metal particles more noble than a metal substrate to which the composition contacts; carbonaceous material that can form electrical contact between the sacrificial metal particles; and means for providing an anticorrosion coating material for the metal substrate. The composition can form a coating on a metal substrate surface. A method for applying the composition for the prevention of corrosion is also described herein.

Abstract: A continuous method for surface treatment of metal strips applies a finish coat having a thickness of not more than 3 ?m, the apparatus employed for application being equipped with at least one IR sensor which faces a coated side of the strip, operates in reflection geometry, and serves to measure the coat thickness of the finish coat, with the strip running.

Abstract: A processing solution for forming an oxidation resistant film on a surface-coated cermet member is provided, wherein the processing solution is capable of easily forming an oxidation resistant film improving the oxidation resistance while maintaining the excellent performance of a titanium sintered body. The composition of the processing solution of the present invention includes a metal salt which creates a complex oxide by reacting with a titanium compound and 20 mass % or more of a solvent. It is preferable that the metal salt is a transition metal of divalent iron ion. An oxidation resistant film 12 containing a complex oxide can be formed by heating the processing solution of the present invention after applying it to a cermet base material 11.

Abstract: Metallic soap compositions for use in various applications, including as adhesives, as having anti-corrosion properties on certain surfaces or materials, and as asphalt modifiers to reduce viscosity in an asphalt mixture, and process for making the same, are disclosed. The processes comprise at least a partial saponification of a mixture of an oil, often a natural oil which may be hydrogenated and/or metathesized, and a metal compound via a fusion process, or may comprise at least a partial saponification of a mixture of a similar oil and a metal compound, or optionally a fatty acid derived from a similar oil, via an aqueous process, with an optional addition of an inorganic metal salt via at least one ion exchange reaction.

Abstract: A novel method for the removal and prevention of rust from corroded iron surfaces is disclosed. This is done by inducing reducing conditions at the interphase between the rusted surface and the attached aluminum surface. An iron coating provided by the reducing conditions surrounds the clean iron and creates a barrier against future rust. Our technology is an oxygen displacement technology which essentially removes rust from iron and iron based tools and structures.

Abstract: An aqueous surface-treatment liquid is a treatment liquid containing a water-soluble zirconium compound, water-dispersive particulate silica, a silane coupling agent, a vanadic acid compound, a phosphoric acid compound, a nickel compound, and an acrylic resin emulsion in particular proportions. A surface-treated galvanized steel sheet produced using the treatment liquid is a galvanized steel sheet having a surface-treatment coating on a surface thereof, and the coating contains a zirconium compound, particulate silica, a silane-coupling-agent-derived component, a vanadic acid compound, a phosphoric acid compound, a nickel compound, and an acrylic resin in particular proportions. The amount of coating on a zirconium basis is 10 to 200 mg/m2. This surface-treated galvanized steel sheet is chromate-free and has superior flat-portion corrosion resistance, blackening resistance, and appearance and corrosion resistance after press forming.

Abstract: A chromium-free conversion coating is prepared by the addition of inorganic salts to dispersions of conducting polymers which are then exposed to alloys of aluminum or other metals. Advantageously, the performance of the coating is comparable to that of known Cr (chromium)-based methods for a number of aluminum alloys having particular significance in the manufacture of aircraft.

Abstract: A rust-proof coating, which does not contain a hazardous metal such as chromium and is able to form a thin coating in which crack generation is inhibited even after a baking treatment at a high temperature, including based on the whole composition, 5 to 40% by weight of an organic silicon compound, 0.05 to 5.0% by weight of an organic titanium compound, 20 to 60% by weight of one or more metal powders selected from the group of zinc powder, zinc alloy powder, and aluminum powder, and 10 to 60% by weight of an organic solvent. A coating having excellent anticorrosive properties can be formed by coating the above-mentioned paint composition followed by heating at a temperature of from 200 to 400 degrees C.