C09D5/086

METHOD OF PROVIDING A METALLICALLY REFLECTIVE, HIGH-GLOSS SURFACE ON A SUBSTRATE AND LAYER SYSTEM OBTAINED BY THE METHOD
20190118219 · 2019-04-25 ·

A method of providing a metallically reflective surface on a substrate includes applying a primer layer to the substrate, mixing a solution of silver salt with a reducing agent and spraying the solution onto the primer layer to form a silver layer, and applying at least one transparent or translucent top coat layer or at least one clear coat layer onto the silver layer, wherein the primer contains a corrosion inhibitor selected from the group consisting of benzotriazole, tolyltriazole, benzimidazole, derivatives of the compounds and mixtures of two or more of the compounds and/or derivatives.

A MULTIPLE-COMPONENT COMPOSITION FOR PRODUCING A CORROSION INHIBITING HYDROGEL
20190112398 · 2019-04-18 · ·

A multiple-component composition that can be used for producing a corrosion inhibiting (meth)acrylic hydrogel. The multiple-component composition including at least one water soluble (meth)acrylic compound, at least one free radical initiator, at least one benzoate, and optionally at least one catalyst for free radical formation. A method for producing a hydrogel, to a hydrogel obtainable by the method, to a (meth)acrylic injection material, and to a method for sealing cracks, voids, flaws and cavities in building structures.

SEALING LIQUID FOR ANODIC OXIDE COATING FILMS OF ALUMINUM ALLOY, CONCENTRATED LIQUID AND SEALING METHOD

The present invention provides a sealing treatment solution free from a nickel salt. The sealing treatment solution is capable of ensuring a sealing performance comparative to that in the method using a sealing treatment solution containing a nickel salt, and ensuring that the resulting sealing-treated anodic oxide film has excellent contamination resistance. The present invention provides a sealing treatment solution for anodic oxide film of aluminum alloy, the sealing treatment solution comprising a metal salt, a pH buffer, and a surfactant, the metal salt being at least one member selected from alkali metal salts and alkaline-earth metal salts.

Corrosion resistant spray applied fire resistive materials

The present disclosure relates to corrosion resistant coating compositions, kits and methods of applying the same, for use as fireproofing materials. The corrosion resistant spray applied fire resistant material contains an organic corrosion inhibitors, such as an aldonic acid, benzoic acid, or combinations thereof, to reduce or eliminate corrosion of the underlying substrate.

Anti-corrosion and/or passivation compositions for metal-containing substrates and methods for making, enhancing, and applying the same

A corrosion inhibition composition is disclosed comprising a zinc oxide, a zinc phosphate, a calcium silicate, an aluminum phosphate, a zinc calcium strontium aluminum orthophosphate silicate hydrate, a molybdate compound, a silicate compound, and a zinc phthalate compound.

Sol-gel coating compositions including corrosion inhibitor-encapsulated layered double hydroxide and related processes

A ZnAl layered double hydroxide (LDH) composition is added to a solution including a corrosion inhibitor and stirred, and a precipitate of the solution is collected, washed, and dried to form a corrosion inhibiting material (CIM), in which the LDH composition is intercalated with the corrosion inhibitor. An inorganic CIM and/or an organic CIM may be formed. The organic CIM may be added to a sol-gel composition to form an organic CIM-containing sol-gel composition, and the inorganic CIM may be added to a sol-gel composition to form an inorganic CIM-containing sol-gel composition. Further, the organic CIM-containing sol-gel composition may be applied on a substrate (e.g., an aluminum alloy substrate) to form an organic CIM-containing sol-gel layer and cured by ultraviolet (UV) radiation, the inorganic CIM-containing sol-gel composition may be applied on the substrate to form an inorganic CIM-containing sol-gel layer and cured by UV radiation, and the sol-gel layers may be thermally cured.

SURFACE APPLIED CORROSION INHIBITOR
20190092948 · 2019-03-28 ·

A sealer composition for a cementitious substrate, a cementitious structure sealed with the sealer composition, and a method of sealing a steel reinforced cementitious structure with the sealer composition. The sealer composition includes a substantially non-aqueous blend of a first silane, a second silane having a higher molecular weight than the first silane, and a corrosion inhibitor. The corrosion inhibitor is soluble in silane, soluble in solvent-diluted silane, and at least partially soluble in water. The cementitious structure includes a cementitious substrate and the sealer applied to the surface of the substrate and at least partially penetrating into the substrate. The method of sealing a steel reinforced cementitious structure from intrusion of corrosion-causing agents includes applying the sealer to the surface of a steel reinforced cementitious substrate and permitting the sealer composition to penetrate into the substrate to seal the substrate.

Corrosion-inhibiting microgels and non-chromated primer compositions incorporating the same

Corrosion-inhibiting microgels that are suitable for use in non-chromated primer compositions. Each discrete microgel is composed of a cross-linked polymer network and organic corrosion-inhibiting compounds entrapped or immobilized within the polymer network.

Titanium dioxide micro-nanocontainers, corrosion-resistant waterborne epoxy coating and preparation method thereof

A titanium dioxide micro-nanocontainers, corrosion-resistant waterborne epoxy coatings and preparation method thereof, including preparation steps as follows: TiO.sub.2 micro-nano spheres are synthesized by applying hydrothermal method; a polyaniline layer doped with molybdate ions is deposited on the surface of TiO.sub.2 micro-nano spheres by adopting the method of in-situ chemical polymerization, TiO.sub.2/PANI-MoO.sub.4.sup.2? micro-nano-spheres are obtained, then, polydopamine is encapsulated on the surface of TiO.sub.2/PANI-MoO.sub.4.sup.2? micro-nano spheres to obtain titanium dioxide micro-nanocontainers; next, antirust filler, defoamer, dispersant and thickener are added into waterborne epoxy emulsion, then titanium dioxide micro-nanocontainers are added in the waterborne epoxy emulsion for dispersing and grinding, filtering and encapsulating to obtain component A; the waterborne epoxy curing agent and deionized water are mixed in proportion to obtain component B; component A is stirred, then it is mixed with the component B in proportion, corrosion-resistant waterborne epoxy coatings is obtained. According to the invention, the titanium dioxide micro-nanocontainers is synthesized and added into the coating as an additive, which can not only improve the compatibility between the filler and the emulsion, but greatly improves the long-term corrosion resistance of the coating by prolonging the release time of the corrosion inhibitors.

Refrigerant pipe, heat exchanger, and method for producing refrigerant pipe

A copper-containing refrigerant pipe having an anticorrosive film, a heat exchanger, and a method for producing the refrigerant pipe are disclosed. The refrigerant pipe includes a pipe body including copper or a copper alloy and an anticorrosive film formed on the outer surface of the pipe body. The anticorrosive film is obtained by applying a coating agent to the outer surface of the pipe body. The coating agent contains one or more anticorrosive agents selected from the group consisting of (A) an organic sulfonate compound, (B) a polyhydric alcohol-organic acid ester compound, and (C) an aliphatic amine compound having 8 to 24 carbon atoms. When the coating agent includes an anticorrosive agent of (C) the aliphatic amine compound having 8 to 24 carbon atoms, (C) the aliphatic amine compound having 8 to 24 carbon atoms is included in an amount of 2.0 wt % or more and 10.0 wt % or less in the coating agent.