Aqueous dispersions including multistage-prepared polymers of mixtures of olefinically unsaturated compounds are disclosed. The aqueous dispersions include at least one polyurethane containing olefinically unsaturated groups. Production and use of the aqueous dispersions, particularly in the field of automotive finishing, is disclosed. The disclosure further relates to an aqueous basecoat material including the multistage-prepared polymers, and also to a method for producing a multicoat paint system using the aqueous basecoat material.

A method and related apparatus for generating a surface structure includes the steps of: (A) applying a resin A on the surface of a material; (B) applying a liquid B on at least one portion of the resin A, when the resin A is liquid or partially solidified; (C) polymerizing, also separately, the resin A and the liquid B; and (D) removing the polymerized liquid B.

An anticorrosive coating includes a first curable liquid layer to the associated substrate, the first layer having a thickness of at least about 100 micrometers, wherein the first layer includes at least one polymer or at least one monomer, quasi-one-dimensional particles or quasi-two-dimensional particles, sacrificial metal particles, and a solvent, wherein a percolation threshold of the particles is not reached in the presence of the solvent, wherein the percolation threshold of the particles is reached when between about 1% and about 20% of the solvent evaporates, applying a second curable liquid layer having a thickness of at least 100 micrometers on the top of the first layer after the percolation threshold of the particles is reached and viscosity of the first layer increases more than 50%, and allowing the first layer and the second layer to cure simultaneously.

An anticorrosive coating includes a first curable liquid layer to the associated substrate, the first layer having a thickness of at least about 100 micrometers, wherein the first layer includes at least one polymer or at least one monomer, quasi-one-dimensional particles or quasi-two-dimensional particles, sacrificial metal particles, and a solvent, wherein a percolation threshold of the particles is not reached in the presence of the solvent, wherein the percolation threshold of the particles is reached when between about 1% and about 20% of the solvent evaporates, applying a second curable liquid layer having a thickness of at least 100 micrometers on the top of the first layer after the percolation threshold of the particles is reached and viscosity of the first layer increases more than 50%, and allowing the first layer and the second layer to cure simultaneously.

An anticorrosive coating includes a first curable liquid layer to the associated substrate, the first layer having a thickness of at least about 100 micrometers, wherein the first layer includes at least one polymer or at least one monomer, quasi-one-dimensional particles or quasi-two-dimensional particles, sacrificial metal particles, and a solvent, wherein a percolation threshold of the particles is not reached in the presence of the solvent, wherein the percolation threshold of the particles is reached when between about 1% and about 20% of the solvent evaporates, applying a second curable liquid layer having a thickness of at least 100 micrometers on the top of the first layer after the percolation threshold of the particles is reached and viscosity of the first layer increases more than 50%, and allowing the first layer and the second layer to cure simultaneously.

To provide a paint composition capable of forming a coating film having a small graininess, having high flip-flop property, and having excellent chipping resistance and adhesion. According to the present invention, there is provided a paint composition including a hydroxy group-containing acrylic resin (A), a hydroxy group-containing polyester resin (B), an amino resin (C), and a titanium oxide-coated light interference pigment (D), which has an L*15 value of 100 or more and an L*110 value of 65 or less, wherein the solid content of the hydroxy group-containing acrylic resin (A) is in the range of 20 to 60 parts by mass, the solid content of the hydroxy group-containing polyester resin (B) is in the range of 10 to 50 parts by mass, the solid content of the amino resin (C) is in the range of 5 to 40 parts by mass, and the solid content of the titanium oxide-coated light interference pigment (D) is in the range of 3 to 25 parts by mass, relative to 100 parts by mass of the total solid content of the hydroxy group-containing acrylic resin (A), the hydroxy group-containing polyester resin (B), and the amino resin (C).

The present invention relates to aqueous dispersions comprising multistage-prepared polymers of olefinically unsaturated compounds and to the preparation and use thereof, in particular in the field of automobile coating.

The problem to be solved by the present invention is to provide an aqueous coating composition having an excellent finished appearance, such as smoothness and distinctness of image, as well as metallic feel and no metallic mottling when the composition comprises an effect pigment; excellent coating film performance, such as water resistance; and excellent storage stability. The present invention provides an aqueous coating composition comprising (A) acrylic resin particles, (B) a water-soluble acrylic resin, and (C) a phosphoric acid compound represented by a specific formula and having hydrocarbon (and optionally polyoxyalkylene); and also provides a method for forming a coating film, comprising applying the aqueous coating composition, as well as an article coated with the aqueous coating composition.

Provided are a brilliant pigment-containing aqueous base coat coating material with which it is possible to ensure waterproof adhesiveness and impart a metallic gloss, and a method for forming a multilayer film using the same. The invention provides a brilliant pigment-containing aqueous base coat coating material including water-dispersible acrylic polymer particles (A), a water-soluble acrylic resin (B), a curing agent (C), and a brilliant pigment (D) obtained by pulverizing a vapor-deposited metal film to create metal chips. The water-soluble acrylic resin (B) is a copolymer of an N-substituted (meth)acrylamide (i), a hydroxyl group-containing polymerizable unsaturated monomer (ii), a carboxyl group-containing polymerizable unsaturated monomer (iii), and a polymerizable unsaturated monomer (iv) other than (i)-(iii). The brilliant pigment (D) is contained in a pigment weight concentration (PWC) in the range

The multilayer coating film formation method for forming a multilayer coating film on a substrate comprises the steps of: applying an undercoat paint composition (X) comprising an antioxidant (a1) to a substrate to form at least one layer of an uncured first coating film; applying a topcoat paint composition (Y) containing a carboxy-containing polymer (b1) and an epoxy-containing acrylic resin (b2) to the first coating film to form an uncured second coating film; and simultaneously heating the uncured first coating film and the uncured second coating film to cure the films.