Abstract: To provide a method of forming a multi-layer paint film with which, even when applying three paint layers and baking the paint layer only once, it is possible to achieve a paint film appearance the same as that with the conventional baking twice method.

Abstract: Disclosed is a resin composition comprising (A) hydroxyl group containing acrylic resin having a hydroxyl group value of from 5 to 200 mgKOH/g and a number average molecular weight of from 500 to 20,000, (B) hexakisalkoxymethylated melamine resin, (C) de-watering agent, (D) blocked sulfonic acid compound which has been blocked with a tertiary amine compound of boiling point from 50 to 300° C. in which the mol ratio with respect to the sulfonic acid is from 0.2 to 0.9, (E) silicate compound and (F) at least one type of material selected from among (a) organic resin particle of average particle diameter not more than 40 ?m, (b) inorganic glass particles of average particle diameter not more than 100 ?m and (c) inorganic fibers of average length not more than 300 ?m.

Abstract: Disclosed is a primer having from 50 to 90 mass % of (A) a chlorinated polyolefin resin having a chlorine content of from 5 to 50 mass % and a weight average molecular weight of from 1,000 to 100,000, from 45 to 5 mass % of (B) a blocked polyisocyanate compound, from 45 to 5 mass % of (C) a polyol resin having a hydroxyl group value of from 30 to 120 mgKOH/g and a weight average molecular weight from 5,000 to 50,000, from 0.5 to 12 mass % of (D) a diol having a weight average molecular weight of from 120 to 1,000 and from 0.01 to 1.5 mass % of (E) a hardening catalyst, wherein the proportions are with respect to the total mass of the resin solid fraction of the (A), (B), and (C) components.

Abstract: Disclosed are hydroxyl-functional binders having an OH number greater than or equal to 180 mg KOH/g as determined in accordance with DIN 53240 and a solubility parameter SP=10, and to clearcoat compositions comprising said binders. Also disclosed are processes for preparing the disclosed hydroxyl-functional binders, methods of making coated automotive substrates by applying the disclosed clearcoat compositions to automotive substrates, and to coated substrates made therefrom.

Abstract: Disclosed is a resin composition which can be used for wrinkle pattern paints having excellent aging stability and staining resistance. The resin composition contains (A) a hydroxyl group containing polyester resin having a hydroxyl group value from 5 to 200 mgKOH/g, (B) hexakis-alkoxymethylated melamine resin, (C) de-watering agent, (D) blocked sulfonic acid compound which has been blocked with a tertiary amine compound of boiling point from 50 to 300° C. where the mol ratio with respect to the sulfonic acid is from 0.2 to 0.9, (E) silicate compound and (F) at least one material selected from among (a) organic resin particles of average particle diameter not more than 40 ?m, (b) inorganic glass particles of average particle diameter not more than 100 ?m and (c) inorganic fibers of average length not more than 300 ?m.

Abstract: To provide paint films which have excellent heat-radiating properties and with which many colors with light colors in the main can be obtained. (Means of Resolution).

Abstract: The invention relates to two-component coating systems comprising as component (a) one or more polyisocyanates, as component (b) one or more oligomeric and/or polymeric compounds that are reactive with component (a), and as component (c) one or more phosphonates selected from the group of phosphonic diesters and diphosphonic diesters, where (i) component (b) comprises all oligomeric and/or polymeric compounds that are present in the two-component coating system and are reactive with component (a) and (ii) component (b) contains not more than 15% by weight, based on the total weight of component (b), of oligomeric and/or polymeric compounds which carry isocyanate-reactive amino groups. Additionally provided by the invention are a process for preparing the two-component coating systems, and the use of these coating systems as a clearcoat, more particularly for multicoat automobile finishing.

Abstract: Disclosed is a paint composition comprising a (A) polyester resin comprising a hydroxyl group value of from 10 to 35 mgKOH/g, an acid value of not more than 15 mgKOH/g and a number average molecular weight of from 2,000 to 6,000, a (B) acrylic resin comprising a hydroxyl group value of from 50 to 150 mgKOH/g, an amine value of from 10 to 50 mgKOH/g, a number average molecular weight of from 1,500 to 8,000 and a glass transition temperature of from 0 to 50° C., and a (C) polyester resin comprising a hydroxyl group value of from 50 to 150 mgKOH/g, an acid value of not more than 20 mgKOH/g and a number average molecular weight of from 1,000 to 4,000.

Abstract: Disclosed herein is a paint composition comprising a hydroxyl group containing resin (A), comprising structural units based on 2,2-dimethylolalkanoic acid, having a hydroxyl group value of from 200 to 400 mgKOH/g, and comprising less than 25 weight % in the resin solid fraction of structural units based on a lactone compound; a hydroxyl group containing resin (B), having a hydroxyl group value from 50 to 200 mgKOH/g, and comprising from 25 to 75 weight % in the resin solid fraction of structural units based on a lactone compound; and a crosslinking agent (C) comprising at least two OH-reactive functional groups per molecule; wherein the resin solid fraction weight ratio (A)/(B) of the hydroxyl group containing resin (A) and the hydroxyl group containing resin (B) is from 90/10 to 10/90.

Abstract: Disclosed is a heat-curable powder coating composition that allows the formation of a coating film having outstanding long-term corrosion resistance, as well as outstanding chipping resistance, flexibility, and adhesion. The disclosed heat-curable powder coating composition is characterized by a resin having crosslinkable functional groups that are solid at room temperature (A), a curing agent capable of reacting with said crosslinkable functional groups (B), a fibrous filler (C), and heat-expandable resin particles (D).

Abstract: A metallic tone glitter paint film is formed by applying sequentially a first base metallic paint, a second base glitter paint in which very small scale like pigment or very small scale-like pigment and aluminum pigment is compounded and a clear

Abstract: Disclosed herein is a clear paint composition, comprising (A) an acrylic copolymer comprising from 35 to 50 wt % ?-caprolactone structural units, based on the resin solid fraction, and wherein the hydroxyl number is from 200 to 340 mgKOH/g and the weight average molecular weight is from 5,000 to 15,000 and (B) a non-yellowing type polyisocyanate compound, wherein the isocyanate group of the (B) component is included in a proportion of from 0.5 to 2 equivalents per 1 equivalent of hydroxyl group of the (A) component, wherein the Young's modulus of the hardened paint film obtained from said paint composition is not more than 1.5 Pa, wherein the molecular weight of intercrosslinking of the cured coating film (Mc) is not more than 350 g/mol, and wherein the glass transition temperature (Tg) of the hardened paint film is at least 65° C.

Abstract: The present invention relates to a hydroxyl-containing resin composition for a coating material, characterized in comprising a hydroxyl-containing resin that has a hydroxyl value of 50 to 400 mg KOH/g and a weight-average molecular weight of 2,000 to 100,000, and in being a resin obtained by copolymerizing, in the presence of (a) an acid compound containing one carboxyl group and two or more hydroxyl groups, (b) a radical-polymerizable monomer having an epoxy group and (c) another radical-polymerizable monomer, or a resin obtained by the addition reaction of (a) an acid compound containing one carboxyl group and two or more hydroxyl groups with a copolymer of (b) a radical-polymerizable monomer having an epoxy group and (c) another radical-polymerizable monomer. The invention also relates to a coating composition comprising the resin composition and a crosslinking agent, to a coating finishing method in which the coating composition is used, and to a coated article coated by the method.

Abstract: A nonstaining coating composition which comprises as essential components (A) a specific aliphatic sulfonic acid compound or amine salt thereof, (B) a compound having per molecule at least one functional group selected among carboxyl, a carboxylic acid anhydride group, and a carboxyl group blocked with an alkyl vinyl ether, (C) a specific organosilicate and/or a condensate thereof, and (D) a resin having epoxy groups and/or alkoxysilyl groups in the molecule; and a method of finish coating. Also, a stain resistant coating composition which comprises (F?) a specific modified resin and optionally (B) a compound having in the molecule at least one functional group selected from the group consisting of carboxyl group, carboxylic acid anhydride group and carboxyl group blocked with an alkylvinyl ether compound.

Abstract: The present invention relates to an ultraviolet-curable coating composition comprising: (A) an ultraviolet curable four or more functional groups-containing polyfunctional (meth)acrylate having four or more (meth)acryloyl groups in the molecule and a number average molecular weight of 300 to 2,000, (B) a lactone-modified polymer of polyhydric alcohol mono(meth)acrylate containing 20 to 60 percents by weight of ?-caprolactone ring-opening addition product and having a hydroxyl value derived from the lactone modification of 100 to 180 mgKOH/g, and/or a lactone-modified polyester resin containing 10 to 50 percents by weight of lactone ring-opening addition product and having a hydroxyl value of 50 to 180 mgKOH/g, (C) a non-yellow polyisocyanate compound and/or an amino resin, (D) a light stabilizer and, (E) a photopolymerization initiator, wherein a weight ratio of component (A) against to a total weight of component Components (B) and (C) is 10:90 to 50:50, a weight ratio of component (B) against to component