Abstract: It is an object of the present invention to provide an organic coating-treated metal sheet, having a coat capable of satisfying all the corrosion resistance, alkali resistance, solvent resistance, anti-scratch property and adhesion requirements which the conventional nonchromate type coating technologies have been difficult to meet. A surface-treated metal sheet with a coat comprising 50; to 90% by weight of a crosslinked resin matrix (A) and 10 to 50% by weight of an inorganic rust preventive (B) as formed on the metal sheet surface, wherein the crosslinked resin matrix (A) is formed by the reaction between a water-borne resin and a crosslinking agent and has an acid value of 0 to 30 due to carboxylic acid groups not neutralized by an alkali metal and a hydroxyl value of 5 to 50.

Abstract: The invention provides low surface tension surfactants based on amino alcohol and also provides for their use in aqueous coating formulations, said surfactants being preparable by reacting at least one secondary amine of formula (I): with at least one diepoxide of formula (IV): and/or with at least one triepoxide of formula (IV): in essentially equivalent amounts of amine hydrogen atoms and epoxide groups.

Abstract: The present invention provides a surface-treating agent which improves heat resistance, adhesiveness to resin and solder wettability. The surface-treating agent for metal contains a tetrazole derivative represented by the following formula and/or a salt thereof, wherein R1 and R2 each independently represent a hydrogen atom, a halogen atom, or an alkyl group or an aryl group, etc., which each have a carbon number of not more than 10, and a group having a halogen atom, a hydroxyl group, a carboxyl group, an amino group or a mercapto group added thereto, or represent an amino group, a mercapto group, a hydroxyl group or a carboxyl group; and R3 represents a bond or an alkylene group, etc.

Abstract: The instant invention relates to a liquid composition comprising a mixture of: (1) water and/or a polar solvent; (2) a colloidal dispersion of mineral particles; and (3) a phosphonate terminated poly(oxyalkene) polymer; the invention also relates to process for stabilizing aqueous and/or solvent-based dispersions of mineral particles comprising the step of adding an efficient stabilising amount of a phosphonate terminated poly(oxyalkene) polymer.

Abstract: Chromate-free treatments and compositions, for applying a conversion or passivation coating to zinc coated metal surfaces. The compositions comprise a polyamidoamine/epihalohydrin polymer or cationic polyamine/epihalohydrin polymer component, fluoacid, H3PO4, and a film forming polymer latex component. The requisite metal surfaces are contacted by the compositions and dried. Rinsing is optional.

Abstract: A method of reinforcing a structural support, includes applying a reinforcement system comprising an AR-glass fibrous layer embedded in an inorganic matrix to the structural support. The AR-glass fibrous layer has a sizing applied thereon, and a resinous coating applied is applied over the sizing. The inorganic matrix is adherent to the resinous coating and the resinous coating is adherent to the sizing.

Abstract: A liquid corrosion inhibitor comprising a primary, secondary, tertiary or mixed amine complexing agent and a carboxylic acid complexing agent, and may further contain a pH adjusting agent and an antifreeze agent, which is capable of providing both short-term and long-term corrosion protection on ferrous and non-ferrous metal substrates and protection from flash rusting commonly associated with ferrous metal substrates, without adversely affecting high gloss in coatings.

Abstract: A corrosion inhibitor composition includes between about 95 and about 99 percent by weight ammonium benzoate, and between 1 and about 5 percent by weight of silica. The composition may be water soluble for use in solution-based applications.

Abstract: Alkyl-substituted hydroxylamines are useful as aids in the phosphating of metal substrates. In particular, the rate of phosphating and the rate at which manganese compounds are dissolved into aqueous phosphoric acid solutions may be accelerated by alkyl-substituted hydroxylamines.

Abstract: “Disclosed is a feed water composition for boilers whose main ingredient is a purified ethylene glycol aqueous solution that is a mixture of purified ethylene glycol and pure water in a weight ratio of 70-90 : 10-30 wt %. The feed water composition comprises 92.1 to 98.8 wt % of the purified ethylene glycol aqueous solution, 0.1 to 2.0 wt % of sodium benrzoate, 0.1 to 1.5 wt % of tolyltriazole, 0.1 to 0.7 wt % of triethanol amine, 0.5 to 1.5 wt % of sodium nitrate, 0.3 to 1.2 wt % of sodium molybdate, and 0.1 to 1.0 wt % of potassium hydroxide.

Abstract: A zinc-rich water-based paint blends a binder and a chelating agent in a zinc slurry. The zinc slurry is blended in an amount of 61.7% by weigh. A potassium as the binder is blended in an amount of 30.0% by weight. A blending quantity of an ion exchange water is decreased as a blending quantity of EDTA-4K as the chelating agent is increased such as 0.2, 0.4, 0.7, 1.4 and 2.4% by weigh as, so that a total quantity becomes 100%.

Abstract: The invention relates to a paint and/or a coating composition including anti-corrosive pigment comprises a metal salt comprising a metal cation and an anion and a metal oxide or a metal hydroxide where the molar ratio of the total metal to the anion is in the range of 1:4 to 1:120.

Abstract: Metallic surfaces are coated with an aqueous, acidic phosphate solution containing 10 to 60 g/l zinc, 0.5 to 40 g/l manganese, 50 to 300 g/l phosphate ions calculated as P2O5, and optionally other components.

Abstract: A process is described for treating metal surfaces with a composition comprising an oxidizer, an acid, a corrosion inhibitor, an unsaturated alkyl substituted with an aromatic or non-aromatic cyclic groups, and optionally but preferably a source of adhesion enhancing species selected from the group consisting of molybdates, tungstates, tantalates, niobates, vanadates, isopoly or heteropoly acids of molybdenum, tungsten, tantalum, niobium, vanadium, and combinations of any of the foregoing, an organic nitro compound, and a source of halide ions in order to increase the adhesion of polymeric materials to the metal surface.

Abstract: A composition for sealing at least one fluid leak in heat exchange systems comprises at least one solvent, and fibrillated fiber in an amount and of a size sufficient to become entrained in and seal the one leak. At least one corrosion inhibitor is present in an amount sufficient to aid in prevention of corrosion of at least two metals. The corrosion inhibitor is compatible with coolants having organic acid corrosion inhibiting agents therein, and with coolants having silicate corrosion inhibiting agents therein.

Abstract: An object of the present invention is to provide an antifreeze solution which is used by adding it to a heating medium of a heat exchanger or a radiator coolant for an internal combustion car engine, which can be used to prevent the icing of road surfaces, which is easy to use and environmentally friendly, and which does not contain environmentally harmful substances such as ethylene glycol so that it can be easily treated for disposal after use. Another object of the present invention is to provide an antifreeze solution which contains water as a main component and glycerin. The undiluted antifreeze solution does not freeze even at ?20° C. or less at normal pressures and is composed of components at a certain ratio.

Abstract: A corrosion inhibitor composition includes between about 90 and about 99 percent by weight ammonium benzoate, and one or more additive components in an amount of between 1 and about 10 percent by weight of the composition. The one or more additive components are selected from the group consisting of silica, triazoles, and wetting agents.

Abstract: The present invention relates to a coating solution to be applied on the surface of metals or metal alloys, a process for cold forming of metals and metal alloys using said coating solution, and a coated blank made of a metal or a metal alloy.

Abstract: The invention relates to a coating composition comprising an acetal-functional binder and a thiol-functional cross-linker, wherein the acetal-functional binder is represented by the following formula wherein P is a binder backbone, K is a divalent and/or trivalent organic moiety having 1 to 30 carbon atoms and having one or two links to the binder backbone, A is selected from oxygen, sulphur, and NRVII, wherein RVII is hydrogen or an alkyl group with 1 to 4 carbon atoms, m is an integer from 1 to 50, n is an integer from 1 to 10, and R and R? may be the same or different and represent alkyl groups with 1 to 4 carbon atoms. In a further aspect, the invention relates to acetal-functional binders, acetal-functional monomers, a process for the preparation of said monomers, coating compositions comprising said acetal-functional binders, and to a process for the preparation of a coating composition comprising an acetal-functional polyurethane dispersion and a thiol-functional cross-linker.

Abstract: An active steel repassivator for the rehabilitation of chloride contaminated reinforced concrete structures and a method for the application of same is disclosed. The active steel repassivator is comprised of a continuous phase, a distributed phase, and/or an aqueous solution of an amine. The continuous phase, also known as the carrier phase, is selected from organic strong volatile bases, salts of weak volatile acids and a non-ionic surfactant. The distributed phase includes an anion containing vanadium in the +4 or +5 state of oxidation. The aqueous solution of the amine acts as a co-inhibitor in the composition.

Abstract: A rust prevention coating agent which can be used even in uses requiring high corrosion-resistant performance because of having corrosion resistance superior to a conventional surface treatment agent, and is excellent in the adhesion to a coating film, and a method of rust-proofing using the same are provided. The prevention coating agent comprises a fluorine and zirconium-containing compound and certain guanidine compounds and/or salts thereof.

Abstract: This invention relates to a corrosion inhibiting composition comprising (a) an aliphatic amine, (b) an azole selected from the group consisting of (1) tolyltriazole, (2) benzotriazole, and (3) mixtures thereof, and (c) a benzoate. The compositions are particularly useful in inhibiting the corrosion of metal equipment, particularly equipment made from cast iron and aluminum, and more particularly, engine blocks that have been subjected to water flushing. The invention also relates to a process for inhibiting corrosion, particularly the vapor phase corrosion of metal equipment.

Abstract: An aqueous composition for applying to and treating metallic substrates that does not include chrome or chromium-containing compounds, does not include an organic solvent, and promotes adhesion of overcoat layers that are applied to the metallic substrate. The composition is an aqueous solution that includes of two hydrolyzed silanes, and water, wherein the composition has a pH of less than or equal to 5 and is substantially free of organic solvent and any chromium-containing compound. Also provided is a method for applying a chromium-free treatment on a metallic substrate comprising mixing a cross-liking agent with the above-described composition and applying the resulting mixture to the metallic substrate, and drying the metallic substrate.

Abstract: A composition for sealing at least one fluid leak in heat exchange systems comprises at least one solvent, and fibrillated fiber in an amount and of a size sufficient to become entrained in and seal the one leak. At least one corrosion inhibitor is present in an amount sufficient to aid in prevention of corrosion of at least two metals. The corrosion inhibitor is compatible with coolants having organic acid corrosion inhibiting agents therein, and with coolants having silicate corrosion inhibiting agents therein.

Abstract: In at least one aspect, the invention relates to an entirely or substantially chromium-free conversion coating composition and process for conversion coating metal surfaces that provides corrosion resistance. In at least another aspect, the present invention relates to an article having a metal surface that is at least partially coated with an entirely or substantially chromium-free conversion coating that provides corrosion resistance. In certain embodiments, the conversion coating composition comprises water and (A) dissolved fluorometallate anions selected from the group consisting of TiF6−2, ZrF6−2, HfF6−2, SiF6−2, AlF6−3, GeF6−2, SnF6−2, BF4−, and mixtures thereof and (B) a water-soluble polymer which is a Mannich adduct of poly(4-vinyl phenol) and N-methyl ethanolamine. In other embodiments, the composition also comprises (C) a water-soluble polymer which is a Mannich adduct of poly(4-vinyl phenol) and N-methyl glucamine.

Abstract: A method of preparing an amine-free emulsion of alkaline earth metal sulfonates is disclosed. A solution of water and a nonionic, associative thickener of the type normally used for viscosity and thixotropy modification of latex compounds is combined with an overbased or neutral earth metal sulfonate or sulfonate complex to produce the emulsion. Mixtures of these emulsified products with other ingredients such as neutral diluent oils, linear alcohol/hydrocarbon mixtures, tall oil fatty acids, non-ionic surfactants, oxidized polyethylene waxes, small levels of microcrystalline wax, petrolatums, and/or calcium salts of oxidized petrolatums is also disclosed. The resulting emulsions find application in the modification of asphalt emulsions, the formulation of temporary coatings for the protection of painted automotive surfaces (transit coatings for automobiles) and in the prevention of corrosion of metal surfaces.

Abstract: An active steel repassivator for the rehabilitation of chloride contaminated reinforced concrete structures and a method for the application of same is disclosed. The active steel repassivator is comprised of a continuous phase, a distributed phase, and/or an aqueous solution of an amine. The continuous phase, also known as the carrier phase, is selected from organic strong volatile bases, salts of weak volatile acids and a non-ionic surfactant. The distributed phase includes an anion containing vanadium in the +4 or +5 state of oxidation. The aqueous solution of the amine acts as a co-inhibitor in the composition.

Abstract: A method and composition for treating a metal surface, particularly steel, involves contacting the metal surface with a pretreating solution comprising a blend of water, an organo-functional silane, and a borate ester. The method involves first cleaning the metal surface, such as by using an alkaline cleaning agent, then rinsing prior to the application of the pretreating solution. The metal surface is dried and, either immediately thereafter or after some storage time, then contacted with a decorative finish, such as paint, completing the metal treatment method. The method and composition minimize rusting of the metal surface even if a relatively long period of time elapses between drying the pretreated metal surface and painting the metal surface. In addition, the method and composition provide good adhesion of the decorative finish to the metal surface.

Abstract: The present invention provides methods and compositions for the reduction of the corrosion rate of already corroding steel reinforcements embedded in a hardened concrete structure as well as for the protective corrosion inhibition of uncorroded steel reinforcements embedded in a hardened concrete structure exposed to aggressive environments. The inventive new compositions employed for the novel method are essentially based on one or more amino- and/or hydroxyalkylamino compound(s), which are partially or completely neutralized with one or more inorganic acid(s) and/or derivatives thereof and/or aliphatic carboxylic- and/or aromatic carboxylic acid(s), one or more surfactant(s) and one or more water-based or water-thinnable water repellent agent(s) selected from the group of organosilicones.

Abstract: A corrosion inhibited formulation for drilling compositions consisting essentially of an environmentally friendly corrosion inhibitor blended with an alkali metal formate. The corrosion inhibitor is prepared pursuant to a process including the steps of: (1) preparing a reactant mixture comprising a fatty acid such as soya fatty acid or tall oil fatty acid with polyfunctional amines; (2) subjecting the reactant mixture to a temperature of between about 130 and 170 for a period sufficient to substantially complete the reaction to obtain a fatty acid amido amine product; (3) solubilizing the reactant product with an organic acid such as acetic to produce a product that is substantially completely soluble in aqueous solutions; and (4) blending the water soluble inhibitor salts into the buffered formate media.

Abstract: An organosilane- and/or organosiloxane-containing composition reduces active corrosion of steel reinforcement in concrete.

Abstract: A corrosion-inhibiting coating, process, and system that provides a tight, adherent zinc- or zinc-alloy coating that is directly deposited onto steel or cast iron surfaces for enhanced corrosion protection. A process for applying the coating is also provided. The process includes the application of two sequential aqueous baths. The first bath contains a precursor zinc compound while the second bath contains a reducing agent to deposit the zinc directly upon the steel or cast iron.

Abstract: Corrosion-inhibiting pigments based on manganese are described that contain a trivalent or tetravalent manganese/valence stabilizer complex. An inorganic or organic material is used to stabilize the trivalent or tetravalent manganese ion to form a compound that is sparingly soluble, exhibits low solubility, or is insoluble in water, depending upon the intended usage. Specific stabilizers are chosen to control the release rate of trivalent or tetravalent manganese during exposure to water and to tailor the compatibility of the powder when used as a pigment in a chosen binder system. Stabilizers may also modify the processing and handling characteristics of the formed powders. Manganese/valence stabilizer combinations are chosen based on the well-founded principles of manganese coordination chemistry. Many manganese-valence stabilizer combinations are presented that can equal the performance of conventional hexavalent chromium or tetravalent lead systems.

Abstract: Provided is a cationized silica dispersion prepared by dispersing dry processed silica and a cationic resin in a polar solvent, wherein a concentration of dissolved silicic acid at 25° C. is 200 ppm or less. This cationized silica dispersion does not substantially form coagulated matters when blended with a binder and therefore can advantageously be used for producing a coating composition such as a coating composition for forming a gas barrier layer, a corrosion preventive coating composition and a coating composition for ink jet recording paper.

Abstract: Corrosion-inhibiting pigments based on manganese are described that contain a heptavalent (permanganate), hexavalent (manganate), or pentavalent (manganate) compound. An inorganic or organic material is used with the heptavalent, hexavalent, or pentavalent manganese ion to form a compound that is sparingly soluble in water. Specific solubility control cations are chosen to control the release rate of heptavalent, hexavalent, or pentavalent manganese during exposure to water and to tailor the compatibility of the powder when used as a pigment in a chosen binder system. Solubility control agents may also modify the processing and handling characteristics of the formed powders. Many permanganate or manganate compounds are presented that can equal the performance of conventional hexavalent chromium systems. It is emphasized that this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure.

Abstract: An acidic aqueous solution containing a water soluble trivalent chromium compound is provided with a solution stability additive for reducing precipitation of trivalent chromium over time. The concentration of the solution stability additive varies based on the complexing capability of the additive. Suitable additives for use as solution stability additives in accordance with the present invention are selected from the group consisting of acetic acid, glycolic acid, and mixtures thereof.

Abstract: The present invention relates to a composition for the treatment of metal substrates including an aqueous solution of a Group IVA metal ion, selected from the group consisting of zirconium, titanium, hafnium and mixtures thereof, and a water-soluble or water-dispersible polyphenolamine.

Abstract: A transparent coating for protecting wood, brick, stucco, glass, steel and other materials from graffiti, paint, ink, mildew, rust and salt air. The protective coating of the present invention comprises: water, paraffin wax, a corrosion inhibitor, an organic amine, and an emulsifying agent. Preferably each gallon of the transparent protective coating contains: 2308.0 g water, 621.4 g paraffin wax, 15.8 g triethanolamine, 6.5 g diethanolamine, and 85.6 g glycerine monostearate. The present invention also comprises methods for preparing the protective coating and methods of protecting surfaces from being marred by graffiti and the like using these protective coatings.

Abstract: An organosilane- and/or organosiloxane-containing composition reduces active corrosion of steel reinforcement in concrete.

Abstract: A conversion coating that does not substantially diminish the luster of a metal surface on which it is coated nor impair adhesion to the surface of lacquers and printing inks commonly used on beverage containers may be provided by contacting the metal surface with an aqueous liquid composition comprising water and at least the following components: (A) a component of one or more dissolved transition metal compounds that contain zirconium and may also include titanium, provided that zirconium constitutes more than 30% of the moles of the total moles or zirconium and titanium; (B) a component of at least one dissolved compound that contains inorganically bonded fluorine and is not part of component (A); and (C) a component of dissolved organic polymer molecules.

Abstract: A method of preventing corrosion in pipelines comprising draining pipeline of all residual compounds, blowing through with nitrogen and rinsing with a corrosion inhibiting rinsing agent.

Abstract: The present invention is directed to methods for preparing quaternary ammonium salts, particularly pyridinium and quinolinium salts. By preparing these salts in a solvent selected from the group consisting of propylene glycols, propylene glycol ethers and mixtures thereof, the production of undesirable by-products and contamination of the product with undesirable solvents are minimized, if not eliminated. Using the preparation methods of the present invention low hazard corrosion inhibitors and aqueous cleaning solutions using these inhibitors may be prepared. In fact, by preparing dodecyl pyridinium bromide in dipropylene glycol methyl ether as the solvent, a particularly desirable corrosion inhibitor characterized by a low toxicity and a high flash point has been prepared. The present invention thus provides the safer corrosion inhibitors and cleaning solutions long sought by industrial cleaning services.

Abstract: A method, a composition and a method for making the composition for increasing the corrosion resistance of a magnesium or magnesium alloy surface is disclosed. The composition is a water/organic solution of one or more hydrolyzed silanes. By binding silane moieties to the magnesium surface, an anti-corrosion coating on a magnesium workpiece is produced. A complementary method, composition and method for preparing the composition for treating a metal surface to increase corrosion resistance is disclosed. The composition is an aqueous hydrogen fluoride solution with a non-ionic surfactant.

Abstract: Described are liquid setting and hardening accelerators for hydraulic binders and such binder comprising mixtures that preferably are alkali-free and chloride-free and that do not comprise any basic features. The setting accelerators comprise as components aluminum salts, complexing agents, corrosion inhibitors and optionally inorganic and/or organic thickening or thixotropic agents. In comparison with the use of alkaline accelerators, an essential reduction in the setting time and a faster development of high compressive strengths is achieved by the accelerators of the present invention. In comparison with commercially available alkali-free accelerators solid precipitates of aluminum salts and thereby generated plugging up of the spray nozzles is avoided and the corrosion at the spraying devices is eliminated. Said advantages result in a great economic advantage due to less maintenance needed for the devices and less interruptions of work.

Abstract: An object of the present invention is to provide an aquarous rust inhibitor having low toxicity and excellent rust resistance, which contains saturated fatty acid, saturated dicarboxylic acid and salt thereof, derivatives of ethylenediamine tetraacetic acid, tolyltriazole or benzotriazole, fatty acid metal salt, and water.

Abstract: An improved process that is commercially practical for forming an oxide film cobalt conversion coating exhibiting corrosion resistance and paint adhesion properties on a substrate, where the substrate is aluminum or aluminum alloy, the process including the steps of: (a) providing an oxide film forming cobalt conversion solution comprising an aqueous reaction solution, containing no triethanolamine (TEA), prepared by reacting the following starting materials: (1) a water soluble cobalt-II salt CoX2 where X=Cl, Br, NO3, CN, SCN, ⅓PO4, ½SO4, ½CO3, formate, or acetate; (2) a water soluble complexing agent selected from the group consisting of MeNO2, MeAc, MeFm, NH4Ac, and NH4Fm where Me is Na, K, or Li; Ac is acetate; and Fm is formate; (3) an accelerator selected from the group consisting of NaClO3, NaBrO3, and NaIO3; (4) water; and (b) contacting the substrate with the aqueous reaction solution for a sufficient amount of time to oxidize the surface of the substrate, whereby the oxid

Abstract: The present invention provides methods and compositions for the reduction of the corrosion rate of already corroding steel reinforcements embedded in a hardened concrete structure as well as for the protective corrosion inhibition of uncorroded steel reinforcements embedded in a hardened concrete structure exposed to aggressive environments. The inventive new compositions employed for the novel method are essentially based on one or more amino- and/or hydroxyalkylamino compound(s), which are partially or completely neutralized with one or more inorganic acid(s) and/or derivatives thereof and/or aliphatic carboxylic- and/or aromatic carboxylic acid(s), one or more surfactant(s) and one or more water-based or water-thinnable water repellent agent(s) selected from the group of organosilicones.

Abstract: A composition and process are described which are useful in treating metal surfaces, which composition comprises an oxidizer, an acid, a corrosion inhibitor, an organic nitro compound and, optionally, a benzotriazole with an electron withdrawing group in the 1-position which electron withdrawing group is a stronger electron withdrawer than a hydrogen group, optionally, a source of adhesion enhancing species selected from the group consisting of molybdates, tungstates, tantalates, niobates, vanadates, isopoly or heteropoly acids of molybdenum, tungsten, tantalum, niobium, vanadium, and combinations of any of the foregoing and optionally but preferably a source of halide ions. The composition and process are useful in increasing the adhesion of metal surfaces to polymeric substances and in preserving said adhesion through temperature variation.

Abstract: Aqueous compositions are provided which are useful for forming temporary protective coatings on metallic substrates. The aqueous compositions may contain polyvinyl alcohol, surfactant and corrosion inhibitor. The protective coating may be easily removed once the substrate has been formed or otherwise shaped.

Abstract: A corrosion inhibiting admixture for concrete is disclosed comprising a combination of organic (amines) and inorganic (nitrites) fractions that provide a synergistic effect when present at a specific ratio. Such a synergistic effect occurs when the amine:nitrite ratio (% by weight) is between 1.5 to 2.5 resulting in the admixture providing excellent corrosion inhibiting capabilities.