A method for producing a polyurethane according to the present invention including: a first step wherein an epoxy carboxylate compound (X) is obtained by reacting (a) an epoxy compound that includes a halogen atom content of 10 ppm by mass or less, while having only two epoxy groups and no hydroxyl group in each molecule, (b) an unsaturated aliphatic monocarboxylic acid that has an ethylenic unsaturated group in each molecule, while having no aromatic ring, and (c) an aromatic monocarboxylic acid that has no ethylenic unsaturated group in each molecule; and a second step wherein the epoxy carboxylate compound (X) obtained in the first step is reacted with a diisocyanate compound (Y).

A method for producing a polyurethane according to the present invention including: a first step wherein an epoxy carboxylate compound (X) is obtained by reacting (a) an epoxy compound that includes a halogen atom content of 10 ppm by mass or less, while having only two epoxy groups and no hydroxyl group in each molecule, (b) an unsaturated aliphatic monocarboxylic acid that has an ethylenic unsaturated group in each molecule, while having no aromatic ring, and (c) an aromatic monocarboxylic acid that has no ethylenic unsaturated group in each molecule; and a second step wherein the epoxy carboxylate compound (X) obtained in the first step is reacted with a diisocyanate compound (Y).

The present disclosure provides a polymeric material including a polymerized reaction product of a polymerizable composition including components and has a solids content of 90% or greater. The components include a uretdione-containing material including a reaction product of a diisocyanate reacted with itself; a first hydroxyl-containing compound; an optional second hydroxyl-containing compound having a single OH group; an epoxy component; and an accelerator. The first hydroxyl-containing compound has more than one OH group and the optional second hydroxyl-containing compound is a primary alcohol or a secondary alcohol. The present disclosure also provides a two-part composition, in which a polymeric material is included in the first part and the second part includes at least one thiol-containing compound. Further, a method of adhering two substrates is provided, including obtaining a two-part composition; combining at least a portion of the first part with at least a portion of the second part to form a mixture; disposing at least a portion of the mixture on a first substrate; and contacting a second substrate with the mixture disposed on the first substrate. The disclosure also provides a polymeric material and a method of making a two-part composition. Advantageously, two-part compositions according to the present disclosure can be used as coatings and adhesive systems with handling and performance similar to existing two-part urethane systems, but with less sensitivity to water.

The present disclosure provides a polymeric material including a polymerized reaction product of a polymerizable composition including components and has a solids content of 90% or greater. The components include a uretdione-containing material including a reaction product of a diisocyanate reacted with itself; a first hydroxyl-containing compound; an optional second hydroxyl-containing compound having a single OH group; an epoxy component; and an accelerator. The first hydroxyl-containing compound has more than one OH group and the optional second hydroxyl-containing compound is a primary alcohol or a secondary alcohol. The present disclosure also provides a two-part composition, in which a polymeric material is included in the first part and the second part includes at least one thiol-containing compound. Further, a method of adhering two substrates is provided, including obtaining a two-part composition; combining at least a portion of the first part with at least a portion of the second part to form a mixture; disposing at least a portion of the mixture on a first substrate; and contacting a second substrate with the mixture disposed on the first substrate. The disclosure also provides a polymeric material and a method of making a two-part composition. Advantageously, two-part compositions according to the present disclosure can be used as coatings and adhesive systems with handling and performance similar to existing two-part urethane systems, but with less sensitivity to water.

To provide a cationic electrodeposition coating composition manifesting excellent anticorrosive property at edges and in flat areas, along with finish quality, even in a state of thin film, as well as a coated article demonstrating these excellent coating film performances, the cationic electrodeposition coating composition includes an amino group-containing epoxy resin (A), a blocked polyisocyanate compound (B), and crosslinked epoxy resin particles (C), wherein the crosslinked epoxy resin particles (C) are contained by 0.1 to 40 parts by mass relative to the total mass in solids content of the amino group-containing epoxy resin (A) and blocked polyisocyanate compound (B); the number-average molecular weight of the crosslinked epoxy resin particles (C) is under 100,000; and/or the volume-average particle size of the crosslinked epoxy resin particles (C) is 30 to 1,000 nm.

An object of the present invention is to provide a polyurethane composition, in which reduction in the strength of the foam is suppressed when the foam has been greatly deformed. The present invention relates to a polyurethane composition comprising a base resin and a curing agent, wherein the base resin comprises a compound (A-1) comprising a polyalkylene skeleton comprising neither an aromatic skeleton nor an alicyclic skeleton, and having two or more functional groups having an active hydrogen atom, a compound (A-2) comprising an aromatic skeleton and/or alicyclic skeleton, and having two or more functional groups having an active hydrogen atom, a blowing agent (B), and an amine-based catalyst (C); a polyurethane foam therefrom; and a method for soundproofing and reinforcing a vehicle.

A two-component adhesive composition is provided. The two-component adhesive composition comprises an isocyanate component, an isocyanate-reactive component and an amine-epoxy adduct, and can achieve superior adhesion strength between the adhesive and a substrate like metal alloy substrate. A laminated article prepared with said composition, a method for preparing the article and the use of the amine-epoxy adduct as adhesion promoter in a two-component polyurethane adhesive composition are also provided.

A two-component adhesive composition is provided. The two-component adhesive composition comprises an isocyanate component, an isocyanate-reactive component and an amine-epoxy adduct, and can achieve superior adhesion strength between the adhesive and a substrate like metal alloy substrate. A laminated article prepared with said composition, a method for preparing the article and the use of the amine-epoxy adduct as adhesion promoter in a two-component polyurethane adhesive composition are also provided.

A thermosetting coating composition includes a hydroxyl group-containing resin, a curing agent, a phosphazene compound, and a solvent. The curing agent is a polyisocyanate curing agent and/or a blocked polyisocyanate curing agent.

One aspect of the present invention relates to a resin composition containing a polyrotaxane (A), an epoxy resin (B), and a curing agent (C), in which the curing agent (C) contains an acid anhydride (C-1) in an amount of 0.1 parts by mass or more and less than 10 parts by mass based on a total of 100 parts by mass of the polyrotaxane (A), the epoxy resin (B), and the curing agent (C).