B05D7/00

Aqueous Polycarboxylic Acid Containing Coating Composition with Improved Leveling Properties

Disclosed herein is an aqueous coating composition including an anionically stabilized binder,a color pigment, a polycarboxylic acid, and optionally a solvent. Further disclosed is a method for producing an inventive aqueous coating composition by adding a solution of polycarboxylic acid in a solvent to a coating composition including an anionically stabilized binder and color pigment.Additionally disclosed is a method for producing a multicoat paint system by producing a basecoat layer or at least two directly consecutive basecoat layers directly on a substrate optionally coated with a first coating layer, producing a clearcoat layer directly on the basecoat layer or the topmost basecoat layer, and jointly curing the basecoat layer(s) and the clearcoat layer. At least one of the basecoat materials includes the aqueous coating composition disclosed herein and/or an aqueous coating prepared by the disclosed method. A multicoat paint system obtainable by the method is additionally disclosed.

COATED FLUID HANDLING COMPONENTS AND METHODS FOR PROTECTING AND EXTENDING THE SERVICE LIFE OF FLUID HANDLING COMPONENTS
20230234098 · 2023-07-27 ·

Coating compositions for coating fluid handling components, and related methods, may include in some aspects a coating composition having a trifunctional silane, a silanol, and a filler. The coating composition may be applied to a surface of a fluid handling component that is configured to be exposed to a fluid. The coating composition may be applied to at least partially cover or coat the surface. The coating composition may be configured to chemically bond with a cured primer composition that includes an epoxy.

METHOD FOR MANUFACTURING A DECORATIVE PANEL AND A DECORATIVE PANEL
20230234339 · 2023-07-27 · ·

A method for manufacturing a laminate assembly may involve providing a decorative paper, impregnating the decorative paper with a first thermosetting resin, and laminating the resin provided decorative paper on a substrate. The decorative paper may be impregnated with a second thermosetting resin before being laminated.

MULTI-LAYER COATINGS AND METHODS OF PREPARING THE SAME

A multi-layer coating system includes: a first basecoat layer formed from a first coating composition including a free polyisocyanate having a weight average molecular weight of less than 600 g/mol and hydroxyl functional polymeric core-shell particles, where an amount of free polyisocyanate having a weight average molecular weight of less than 600 g/mol is 3.5 weight % or greater; a second basecoat layer formed from a second coating composition including carboxylic acid functional polymeric core-shell particles; and a topcoat layer formed from a coating composition including a free polyisocyanate and a film-forming resin reactive with the free polyisocyanate.

THERMOSETTING RESIN COMPOSITION, CURED FILM, METHOD FOR FORMING MULTILAYER COATING FILM, ESTER COMPOUND, AND POLYMER

[Problem] To obtain a thermosetting resin composition that has curing performance at a lower temperature and uses transesterification capable of also suitably coping with conversion into an aqueous form as a curing reaction.

[Solution] A thermosetting resin composition containing a resin component (A), which includes a structure (a) represented by the following general formula (1) and a hydroxy group (b), and a transesterification catalyst (B).

##STR00001##

n=0 to 20

R.sub.1 is an alkyl group having 50 or less carbon atoms.

R.sub.3 is hydrogen or an alkyl group having 10 or less carbon atoms.

GRAPHENE-COATED STEEL SHEET AND METHOD FOR PRODUCING SAME
20230001445 · 2023-01-05 · ·

The present invention pertains to a method for producing a graphene-coated steel sheet, the method comprising the steps of: modifying the surface of the steel sheet so that the surface is negatively charged; forming a positively-charged first graphene oxide layer on the surface-modified steel sheet; forming a negatively-charged second graphene oxide layer on the first graphene oxide layer; and heat-treating the steel sheet on which the first and second graphene oxide layers are formed. The present invention provides a graphene coating method which can be easily applied to large-area coating through a simple process without a special dispersant or binder, and has the effect of allowing the excellent physical properties of graphene to be more efficiently exhibited.

WATER-SOLUBLE NANOCOMPOSITE BARRIER FILM

A water-soluble film comprising an integrated water-dispersible nanocomposite barrier against any permeation.

Cadmium-free semiconductor nanocrystal particles having high quantum efficiency, production methods thereof, and devices including the same

A semiconductor nanocrystal particle, a production method thereof, and a light emitting device including the same. The semiconductor nanocrystal particle includes a core including a first semiconductor nanocrystal, a first shell surrounding the core, the first shell including a second semiconductor nanocrystal including a different composition from the first semiconductor nanocrystal, a second shell surrounding the first shell, the second shell including a third semiconductor nanocrystal including a different composition from the second semiconductor nanocrystal, wherein the first semiconductor nanocrystal includes zinc and sulfur; wherein the third semiconductor nanocrystal includes zinc and sulfur; wherein an energy bandgap of the second semiconductor nanocrystal is less than an energy bandgap of the first semiconductor nanocrystal and less than an energy bandgap of the third semiconductor nanocrystal; and wherein the semiconductor nanocrystal particle does not include cadmium.

Method for forming multilayer coating film

A method for forming a multilayer coating film comprising the steps of: (1) applying a base paint (X) to a substrate to form a base coating film, (2) applying an effect pigment dispersion (Y) to the base coating film formed in step (1) to form an effect coating film, (3) applying a clear paint (Z) to the effect coating film formed in step (2) to form a clear coating film, and (4) heating the uncured base coating film, the uncured effect coating film, and the uncured clear coating film formed in steps (1) to (3) to thereby simultaneously cure these three coating films; wherein the effect pigment dispersion (Y) contains water, a black pigment (A), a vapor deposition metal flake pigment (B), and a rheology control agent (C).

Polyurethane coating composition
11566147 · 2023-01-31 · ·

A two-component polyurethane coating composition is described. The composition includes a multifunctional isocyanate component and a multifunctional polyol component. The polyurethane described herein is an overindexed composition that may be used as a tiecoat in a conventional recoat or refinish process. The described composition provides improved adhesion between an aged coat and a newly applied coating.