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.

The present invention provides a coating composition which has excellent trickle resistance and forms a coating film that exhibits excellent gloss stability. A coating composition which contains a hydroxyl group-containing acrylic resin (A), a polyisocyanate compound (B), a matting agent (C), an organic solvent (D1) and an organic solvent (D2), and which is characterized in that: the organic solvent (D1) has a boiling point within the range of 190-250° C. and a solubility parameter of from 9 to 11 (inclusive); the organic solvent (D2) has a boiling point within the range of 100-140° C. and a solubility parameter of 8 or more but less than 9; and with respect to the contents of the organic solvent (D1) and the organic solvent (D2) based on 100 parts by mass of the total solid content of the hydroxyl group-containing acrylic resin (A) and the polyisocyanate compound (B), the content of the organic solvent (D1) is within the range of 5-40 parts by mass and the content of the organic solvent (D2) is within the range of 35-75 parts by mass.

The present disclosure discloses a waterborne inorganic anti-doodling ceramic paint for indoor walls and preparation method thereof; the ceramic paint is a dual-coating paint having an under-coating paint and a surface-coating paint. The advantage effects of the present disclosure is that: the main film-forming materials are inorganic materials, the solvent is mostly deionized water, VOC emission is extremely low, thereby having a characteristics of safety, health and environmental protection; overcoming the shortcomings of multi-components of ceramic paint needs to be aged before use, while the under-coating paint and the surface-coating paint of the present disclosure are all single-component and can be directly used, easily to apply and fast; having an anti-doodling effect, when a marker doodling on the walls, it can be easily erased; the coating has a low surface tension which can isolate the outdoor moisture and prevent the walls from getting wet and mildewed.

Provided is an aqueous coating composition capable of forming a coating film having superior metallic coating film appearance and coating film properties and reducing the amount of an organic solvent to be used. Also provided is a method for forming a metallic coating film using such an aqueous coating composition. Provided is an aqueous coating composition comprising a coating film-forming resin, a curing agent, a scaly pigment, an inorganic viscosity agent, a hydrophobic associative viscosity agent, and a dispersant, wherein the composition contains the inorganic viscosity agent in an amount of 1 to 7 parts by mass based on 100 parts by mass of the total resin solid content of the coating film-forming resin and the curing agent, and the composition contains the hydrophobic associative viscosity agent in an amount of 1 to 15 parts by mass based on 100 parts by mass of the total resin solid content of the coating film-forming resin and the curing agent.

Described herein are coating systems for preparing multi-layered finishes, multi-layered finish coated substrates, and methods of applying multi-layered finishes to substrates. A coating system for preparing multi-layered finishes includes a base coating component and a clear coating component comprising effects particles. An additional coating system for preparing multi-layered finishes includes a base coating component, a printed coating component, and a clear coating component.

The present disclosure discloses a waterborne inorganic anti-doodling ceramic paint for indoor walls and preparation method thereof; the ceramic paint is a dual-coating paint having an under-coating paint and a surface-coating paint. The advantage effects of the present disclosure is that: the main film-forming materials are inorganic materials, the solvent is mostly deionized water, VOC emission is extremely low, thereby having a characteristics of safety, health and environmental protection; overcoming the shortcomings of multi-components of ceramic paint needs to be aged before use, while the under-coating paint and the surface-coating paint of the present disclosure are all single-component and can be directly used, easily to apply and fast; having an anti-doodling effect, when a marker doodling on the walls, it can be easily erased; the coating has a low surface tension which can isolate the outdoor moisture and prevent the walls from getting wet and mildewed.

Provided is an aqueous coating composition capable of forming a coating film having superior metallic coating film appearance and coating film properties and reducing the amount of an organic solvent to be used. Also provided is a method for forming a metallic coating film using such an aqueous coating composition. Provided is an aqueous coating composition comprising a coating film-forming resin, a curing agent, a scaly pigment, an inorganic viscosity agent, a hydrophobic associative viscosity agent, and a dispersant, wherein the composition contains the inorganic viscosity agent in an amount of 1 to 7 parts by mass based on 100 parts by mass of the total resin solid content of the coating film-forming resin and the curing agent, and the composition contains the hydrophobic associative viscosity agent in an amount of 1 to 15 parts by mass based on 100 parts by mass of the total resin solid content of the coating film-forming resin and the curing agent.

Method for producing a multicoat coating comprises: applying a primer-surfacer coat (I) to an optionally pretreated substrate, curing coat (I), applying a basecoat (II) to coat (I), optionally curing the basecoat (II), applying a clearcoat (III) to basecoat (II), and curing basecoat (II) and/or clearcoat (III), wherein coat (I) is obtained by applying a nonaqueous, solventborne coating material comprising by weight: at least 20% of at least one organic solvent, at least 8% of at least one first polyester (A1), having a glass transition temperature of at least 20 C. and an acid number of 0 to 40 mg KOH/g; at least 8% by weight of at least one second polyester (A2), different from (A1) and having a glass transition temperature of not more than 10 C.; at least one crosslinker (B); and at least 8% of one or more fillers and/or pigments (C).

Described herein are coating systems for preparing multi-layered finishes, multi-layered finish coated substrates, and methods of applying multi-layered finishes to substrates. A coating system for preparing multi-layered finishes includes a base coating component and a clear coating component comprising effects particles. An additional coating system for preparing multi-layered finishes includes a base coating component, a printed coating component, and a clear coating component.

A coating composition having excellent trickle resistance which forms a coating film that exhibits excellent gloss stability. The coating composition contains a hydroxyl group-containing acrylic resin (A), a polyisocyanate compound (B), a matting agent (C), an organic solvent (D1) and an organic solvent (D2), and wherein the organic solvent (D1) has a specified boiling point and solubility parameter; the organic solvent (D2) has a specified boiling point and solubility parameter; and with respect to the contents of the organic solvent (D1) and the organic solvent (D2) based on 100 parts by mass of the total solid content of the hydroxyl group-containing acrylic resin (A) and the polyisocyanate compound (B), the content of the organic solvent (D1) is within the range of 5-40 parts by mass and the content of the organic solvent (D2) is within the range of 35-75 parts by mass.