Abstract: The object of the present disclosure is to provide a method for producing a crosslinked polymer by radical polymerization of a monomer composition, by which method a desired crosslinked polymer can be produced in a high solid content with good productivity (also at a low production cost), and a crosslinked polymer obtained by the production method and a coating composition containing the same.

Abstract: There are provided: a bio-based coating composition which is a bio-based ingredient coating composition in consideration of environment and does not need any expensive ingredient and is also excellent in hydrolysis resistance; and an article coated with the coating composition. The bio-based coating composition is characterized by comprising the following film-forming ingredients: a lactic acid polymer (A) which contains a polyfunctional compound having a hydroxyl group and/or a carboxyl group in a functionality of not less than 3 and lactic acid as essential monomer ingredients and has a specific SP value; and a resin (B) which contains a hydroxyl group and/or a carboxyl group and has a specific SP value; wherein the difference (?SP) between the SP values of the lactic acid polymer (A) and the resin (B) is in the range of 0.2 to 4.0. The coated article is characterized by being obtained by being coated with the aforementioned coating composition.

Abstract: There are provided: a method for forming a shining coating film which can form a coating film extremely excellent in a leveling property and a brightness with good workability and can also realize the reduction of environmental burden; and a coated article excellent in a design property obtained by this method. In a method comprising the steps of sequentially coating a shining material-containing solvent type first base coat coating, a shining material-containing solvent type second base coat coating and a top clear coating onto a base material and baking a formed multilayered coating film at the same time, an improvement is made so that the resin composition and coating nonvolatile concentration of the first and second base coat coatings and the amount of nonvolatiles in the first and second base coating films will have specific conditions.

Abstract: A water-borne primer coating composition including a water-borne non-chlorinated polyolefin resin (A), a water-borne polyurethane resin (B), a water-borne epoxy resin (C) and an internally crosslinked acrylic particle emulsion (D), wherein the content of resin (A) is 15 to 60%, the content of resin (B) is 10 to 50%, the content of resin (C) is 20 to 50%, and the content of emulsion (D) is 5 to 20%, all by weight on the solid equivalent basis in 100% by weight of the total amount of resin (A), resin (B), resin (C) and emulsion (D), and resin (A) is a polypropylene resin having crystallinity of 35 to 55% and a weight average molecular weight of 50000 to 200000. The composition can achieve an adhesion property to a substrate, gasohol resistance, inhibition of peeling of a multilayer coating film in washing by high pressure cleaning and moisture resistance.

Abstract: A low-molecular-weight polyester resin which can elasticize a resin suitably and can be used for various purposes, various resins obtained by using the resin, and the purposes thereof. The polyester resin is obtained by polymerizing a monomer composition containing 10 to 90 weight % of a linear dicarboxylic acid and/or diol having at least 8 carbon atoms (I), 5 to 80 weight % of a branched dicarboxylic acid and/or diol having at least 4 carbon atoms (II-1) and/or 2 to 40 weight % of at least one polyfunctional monomer (II-2) selected from the group consisting of polyols, polycarboxylic acids and hydroxycarboxylic acids having 3 or more functional groups respectively and which has the number average molecular weight of 500 to 5000 and is amorphous.

Abstract: There are provided a photosetting type bio-based coating composition and its coated article, wherein the coating composition has a sufficient hydrolysis resistance and a sufficient crosslinking density so as to be excellent in such as long-term stability, and is inexpensive, and is applicable also to an aqueous solvent. The photosetting type bio-based coating composition according to the present invention is characterized by comprising: a bio-based photopolymerizable compound as a film-forming ingredient which compound has at least one lactic acid unit and at least one photopolymerizable group together in a molecule; and a photopolymerization initiator. The coated article according to the present invention is characterized by being obtained by being coated with the aforementioned coating composition.

Abstract: There are provided: a bio-based coating composition which is a bio-based ingredient coating composition in consideration of environment and does not need any expensive ingredient and is also excellent in hydrolysis resistance; and an article coated with the coating composition. The bio-based coating composition is characterized by comprising the following film-forming ingredients: a lactic acid polymer (A) which contains a polyfunctional compound having a hydroxyl group and/or a carboxyl group in a functionality of not less than 3 and lactic acid as essential monomer ingredients and has a specific SP value; and a resin (B) which contains a hydroxyl group and/or a carboxyl group and has a specific SP value; wherein the difference (?SP) between the SP values of the lactic acid polymer (A) and the resin (B) is in the range of 0.2 to 4.0. The coated article is characterized by being obtained by being coated with the aforementioned coating composition.

Abstract: A method for forming a coating film able to reduce curing time, reduce the size of coating equipment and reduce the amount of CO2, without deterioration in such properties as water resistance and weather resistance. The method for forming the coating film includes the steps of (1) applying a base coating composition, (2) applying a top coating composition on the base coat layer obtained in said step (1), (3) irradiating energy line on the uncured coating film obtained in step (2), and (4) bake curing after step (3). The top coating composition includes a hydroxyl group-containing resin (A), an activation energy line-curable compound containing an unsaturated bond (B), and a polyisocyanate compound (c), with a compounding proportion of (A), (B) and (C) based on weight satisfying the ratio: ((A)+(C))/(B)=90/10 to 50/50.

Abstract: A clear coating composition which inhibits a corrosion reaction by containing a rust preventive agent in a clear layer on a silver-plating payer and preventing a corrosive substance such as chlorine ion from contacting with the surface of the silver-plating layer, and develops beautiful silver-plating design for a long time, and an inmold decoration product comprising a silver-plating layer. The clear coating composition is used in forming a multilayer coating film obtained by forming a base coating film layer, a silver-plating layer, and a clear coating film layer in succession on a plastic substrate.

Abstract: There are provided: a method for forming a shining coating film which can form a coating film extremely excellent in a leveling property and a brightness with good workability and can also realize the reduction of environmental burden; and a coated article excellent in a design property obtained by this method. In a method comprising the steps of sequentially coating a shining material-containing solvent type first base coat coating, a shining material-containing solvent type second base coat coating and a top clear coating onto a base material and baking a formed multilayered coating film at the same time, an improvement is made so that the resin composition and coating nonvolatile concentration of the first and second base coat coatings and the amount of nonvolatiles in the first and second base coating films will have specific conditions.

Abstract: A laminate film has a clear layer (B) comprising an acrylic-based polymer (B1) having at least one longer unsaturated double bond group and at least one shorter unsaturated double bond group as side chains, and having a weight-average molecular weight not less than 50,000 but not more than 500,000, the longer unsaturated double bond group introduced in the acrylic-based polymer (B1) by a long-chain unsaturated carboxylic acid having a molecular weight of 150 or more, and the shorter unsaturated double bond group introduced in the acrylic-based polymer (B1) by a short-chain unsaturated carboxylic acid having a molecular weight of less than 150. Compared with laminate films prepared by spray coating, dip coating, or other coating methods, this laminate film is excellent in processability, coating film properties, and ornamental properties. Thus, an article can be excellently decorated with the laminate film provided by the present invention.

Abstract: A method for forming a bright coating film includes: (1) applying a water-based primer coating material composition to a substrate to form a water-based primer coating film; (2) applying a water-based bright coating material (i) to the water-based primer coating film to form a first base coating film; (3) applying a water-based bright coating material (ii) to the first base coating film to form a second base coating film; (4) applying a high-solid clear coating material to the second base coating film to form a clear coating film; and (5) heat-curing the water-based primer coating film, the first base coating film, the second base coating film, and the clear coating film simultaneously to form a cured coating film, wherein the water-based primer coating material composition includes a water-based non-chlorinated polyolefin resin (A), a water-based polyurethane resin (B), a water-based epoxy resin (C), and an internally crosslinked acrylic particle emulsion (D), and an emulsifier.

Abstract: It is an object of the present invention to provide a base coating composition for decorated moldings containing silver plating layer and a top clear coating composition for decorated moldings containing silver plating layer, and decorated moldings obtainable by using these compositions; the compositions and moldings are to be excellent in silver deposition tendency, basecoat film smoothness, adhesion and/or film appearance.

Abstract: A colored base coating composition includes a chlorinated polyolefin resin grafted with an acrylic component in which the acrylic component has a glass transition temperature (Tg) of 60° C. or more and an OH group-containing acrylic resin. The chlorinated polyolefin resin grafted with the acrylic component and the OH group-containing acrylic resin have a mass ratio of nonvolatile matters thereof ranging from 70/30 to 50/50. The colored base coating composition is applied on a substrate made of a nonpolar resin to form a colored base coat, and the coat is dried so that a nonvolatile matter of the coat becomes 70 to 100% by mass. A clear coating composition having a coating viscosity of 15 to 50 mPa·s is applied on the colored base coat to form the clear coat, and the clear coat is irradiated with an active energy ray in an atmosphere having an oxygen content of 5% by mass or less to be cured.

Abstract: The present invention aims to give a two package curing type polyurethane coating composition which can form a film having soft, wet and dry feelings simultaneously and which maintains general properties such as designing property, film strength, pot life, resistance to scratching and discoloration, resistance to stains with fats and oils and the like, and to provide a coated article with the coating composition. The two package curing type polyurethane coating composition comprises a resin solution containing an acrylic polyol and a curing agent solution containing a polyisocyanate. The resin solution contains urethane resin beads (A) in the amount of 25 to 50 parts by weight and an organic matting agent (B) in the amount of 3 to 10 parts by weight, and the total of (A) and (B) is at least 30 parts by weight in 100 parts by weight of solid contents of the resin solution. And the equivalent ratio of OH groups/NCO groups of the acrylic polyol and the polyisocyanate is in the range of 4.5:1 to 1.5:1.

Abstract: A coating composition for forming a pattern includes a thermoplastic resin, magnetic particles with flaky form and a specific solvent. As the thermoplastic resin, a vinyl acetate based resin, an acryl based resin or a cellulose acetate butyrate resin is preferable. The specific solvent contains a low boiling point solvent having a boiling point of 50° C. or higher and 100° C. or lower, and a high boiling point solvent having a boiling point that is higher than 100° C. and 200° C. or lower. The coating composition for forming a pattern is set so that the viscosity 20 seconds to 60 seconds after application on the surface of an article to be coated is 2,000 mPa·s to 500,000 mPa·s in a normal state, and the viscosity between 60 seconds and 120 seconds after application is no lower than 100,000 mPa·s. In addition, the coating composition is set so that the viscosity between 60 seconds and 120 seconds after application is greater than the viscosity 20 seconds to 60 seconds after application.

Abstract: It is an object of the present invention to provide a water-borne primer coating composition using a polyolefin resin not containing chlorine, which can achieve an adhesion property to a substrate and gasohol resistance simultaneously and can achieve the inhibition of peeling of a multilayer coating film in washing a car by high pressure cleaning and moisture resistance simultaneously.

Abstract: The present invention to provide a water-borne coating composition for automotive interior substrates, which can form a coating film which is superior in an adhesion property on a plastic substrate by baking to dry at low temperatures of about 60° C., and can further attain a coating film which is also superior in a soft feeling, beef tallow resistance, chemical resistance and abrasion resistance. A water-borne coating composition for automotive interior substrates including a water-borne urethane resin (A), a water-borne chlorinated polyolefin modified acrylic resin (B), a water-borne polyolefin resin (C) and elastic particles (D), wherein the content of said resin (C) is 15 to 50% by weight when the total weight of said resin (A), resin (B) and resin (C) is taken as 100% by weight, a solid weight ratio [(A)/(B)] of said resin (A) and resin (B) is 90/10 to 50/50, said resin (A) has an elongation percentage of 100% or more at 20° C.

Abstract: Injection molding of a product and compressive decoration molding of a surface of the molded product are performed using individual cavity molds. A decorative film can be molded efficiently with a thermosetting coating material under suitable temperature control regardless of the shape of the molded product. An injection cavity mold and a decoration cavity mold are employed. The injection cavity mold is set at a hardening temperature of a thermoplastic resin. The decoration cavity mold is set at a thermosetting temperature of a coating material. A molded product is injection-molded in the cavity mold for injection molding and released from the mold. A decorative coating material composed of a liquid thermosetting composition is mounted at least on a part of the top of the injection-molded product. The molded product is located within the cavity mold for decoration molding.

Abstract: An object of the present invention is to provide a paint composition for in-mold coating of thermoplastic plastic substrates, the paint film resultant from which composition neither peels off nor becomes turbid even if the mold is opened in a state where its temperature is high, needless to say that the resultant paint film has excellent adhesion to nonpolar thermoplastic plastic substrates and adequate flowability. As a means of achieving this object, a paint composition according to the present invention for in-mold coating of thermoplastic plastic substrates comprises: an acryl-modified unsaturated dicarboxylic acid (anhydride)-grafted polyolefin (A); at least one member (B) selected from the group consisting of reactive oligomers and reactive monomers; and a radical polymerization initiator (C); in a specific formulation ratio, with the paint composition being characterized in that: the acryl-modified unsaturated dicarboxylic acid (anhydride)-grafted polyolefin (A) is in the range of 92 to 112° C.