Abstract: This invention relates to a process for forming a multi-layer coating film by applying, to a substrate, intermediate paint, metallic paint and clear paint by 3C1B method, which process is characterized in that said intermediate paint contains 0.5 to 5 phr of flat talc powder of a size of 0.5 to 10 &mgr;m in longer direction and 0.01 to 1 &mgr;m in thickness, and has a total pigment content of 40 to 100 phr.

Abstract: The present invention provides a thermocurable resin composition for coating with good storage stability and capable of forming a coating film excellent in low temperature curability, acid resistance, scratch resistance etc., containing a polymer obtained by half-esterifying with a monohydric alcohol the acid anhydride group of an acid anhydride group-containing polymer, obtained by copolymerizing a polymerizable, unsaturated, half-esterified product obtained by half-esterification of a hydroxyl group-containing, polymerizable unsaturated monomer and an acid anhydride group-containing compound in the proportion of 1-1.5 moles of the acid anhydride group per 1 mole of the hydroxyl group, an acid anhydride group-containing, polymerizable unsaturated monomer and another polymerizable unsaturated monomer; and a polymer having both hydroxyl group and epoxy group in the molecule.

Abstract: A process for forming a multilayer film, which comprises applying, onto a substrate, (A) a liquid solid-color coating which comprises a thermosetting resin composition and a metal powder coated with a coloring pigment, and (B) a clear coating in this order without substantially curing the resulting films of the coatings (A) and (B) and then heating the two films to crosslink and cure them simultaneously. The process of the present invention provides a multilayer film of smaller thickness, excellent hiding power and improved properties such as surface smoothness, chipping resistance and the like.

Abstract: A process for forming a multilayer film having superior high white iridescent appearance which comprises applying (A) a liquid white coating which comprises a thermosetting resin composition, a metal powder coated with a white pigment, and a titanium dioxide pigment, (B) a light-iridescent coating, and (C) a clear coating onto a substrate in this order to form a multilayer film, and then heating the substantially uncured films to crosslink and cure them simultaneously.

Abstract: The invention provides a curable coating composition comprising:(a) a vinyl polymer having, in one molecule, (i) a group formed by half esterification of an acid anhydride group and (ii) a primary hydroxyl group,(b) a vinyl polymer having an epoxy group and a primary hydroxyl group in one molecule, and(c) a vinyl polymer having an ethoxysilyl group and a secondary hydroxyl group in one molecule, and a method of forming a top coat using said composition.

Abstract: A coating composition which consists essentially of:(A) a copolymer comprising 5 to 40 wt. % of an alkoxysilane-containing vinyl monomer which is a compound represented by the formula ##STR1## wherein A is ##STR2## R.sub.1 is a hydrogen atom or methyl group, R.sub.2 is a bivalent aliphatic saturated hydrocarbon group having 1 to 6 carbon atoms, R.sub.3 and R.sub.4 are the same or different and are each a phenyl group, alkyl group having 1 to 6 carbon atoms or alkoxy group having 1 to 10 carbon atoms, R.sub.5 is an alkyl group having 1 to 10 carbon atoms, m is 0 or 1, and n is an integer of 1 to 100, 5 to 50 wt. % of a hydroxyl-containing vinyl monomer and 30 to 70 wt. % of a fluorine-containing vinyl monomer, and (B) an amino resin in an amount of 5 to 50 wt. % based on the total amount of solids in the copolymer (A) and the amino resin (B).

Abstract: A self-crosslinking resin comprising a resin containing a blocked isocyanate group, and a resin containing a hydroxyl group, and a tertiary amino group and/or a quaternary ammonium group and attached to the resin by a urethane bond.The self-crosslinking resins are useful for adhesive compositions and coating compositions of the aqueous type.

Abstract: The invention provides an automotive top coating composition, comprising as the main components;: (A) an acrylic polymer prepared by copolymerizing 5 to 40% by weight of an alkoxysilane-containing vinyl monomer which is a compound represented by the formula ##STR1## wherein A is ##STR2## R.sub.1 is a hydrogen atom or a methyl group, R.sub.2 is a bivalent aliphatic saturated hydrocarbon group having 1 to 6 carbon atoms, R.sub.3 and R.sub.4 are the same or different and are each a phenyl group, an alkyl group having 1 to 6 carbon atoms or an alkoxy group having 1 to 10 carbon atoms, R.sub.4 is an alkyl group having 1 to 10 carbon atoms, and n is an integer of 1 to 100, 5 to 50% by weight of a hydroxyl-containing vinyl monomer and 10 to 90% by weight of a vinyl monomer which is copolymerizable with the above vinyl monomers, and (B) an amino resin in an amount of 5 to 50% by weight based on the total amount of resin solids in the coating composition.

Abstract: Disclosed is a coating composition including: (a) an acrylic polymer prepared by copolymerizing about 2.5 to about 30% by weight of an alkoxysilane-containing vinyl monomer which is represented by the formula ##STR1## wherein A is ##STR2## R.sub.1 is a hydrogen atom or a methyl group, R.sub.2 is a bivalent aliphatic saturated hydrocarbon group having 1 to 6 carbon atoms, R.sub.3 and R.sub.4 are the same or different and are each a phenyl group, an alkyl group having 1 to 6 carbon atoms or an alkoxy group having 1 to 10 carbon atoms, R.sub.5 is an alkyl group having 1 to 10 carbon atoms, and n is an integer of 1 to 100, about 5 to about 50% by weight of an acetoacetoxy-containing vinyl monomer and about 20 to about 92.5% by weight of a vinyl monomer which is copolymerizable with the above vinyl monomers, and (b) an amino resin in an amount of about 5 to about 50% by weight based on the total amount of resin solids in the coating composition.

Abstract: A self-crosslinking resin comprising a resin containing a blocked isocyanate group, and a resin containing a hydroxyl group, and a carboxyl group or carboxylic anhydride group and attached to the resin by a urethane bond.

Abstract: A self-crosslinkable resin useful as, for example, adhesive compositions and coating compositions. The resin contains complementary reactive groups, that is, a blocked isocyanate group and a hydroxyl group, in the same molecule. The resin is prepared by reacting a hydroxy-containing vinyl monomer with some isocyanate groups on the skeleton of a vinyl polymer having at least two isocyanate groups in the molecule so to introduce a polymerizable double bond into the polymer, and subsequently completely blocking the isocyanate group(s) remaining on the polymer skeleton with a blocking agent, or vice versa. Thereafter an unsaturated monomer component consisting essentially of a hydroxyl-containing vinyl monomer is polymerized with the polymerizable double bond introduced.

Abstract: A curable composition characterized in that the composition comprises:(a) a nonaqueous dispersion of a particulate polymer insoluble in an organic liquid and prepared by polymerizing a radical-polymerizable unsaturated monomer in the organic liquid in the presence of a dispersion stabilizer resin, the stabilizer resin being a polymer consisting essentially of an alkoxysilane-containing vinyl monomer which is a compound represented by the formula ##STR1## wherein X is ##STR2## R.sub.1 is a hydrogen atom or methyl, R.sub.2 is a bivalent saturated aliphatic hydrocarbon group having 1 to 6 carbon atoms, R.sub.3 and R.sub.4 are the same or different and are each phenyl, alkyl having 1 to 6 carbon atoms or alkoxyl having 1 to 10 carbon atoms, R.sub.5 is alkyl having 1 to 10 carbon atoms, and n is an integer of from 1 to 100; anda curing catalyst, or a chelate compound serving as a crosslinking curing agent admixed with the nonaqueous dispersion.

Abstract: The present invention provides a process for preparing a self-curing resin having a blocked isocyanate group and a hydroxyl group in the molecule from a polymer 500 to 50000 in number average molecular weight and having a tertiary amino group and/or a quaternary ammonium group, and at least two isocyanate groups in the molecule, the process comprising the steps of partly blocking the isocyanate groups in the skeleton of the polymer, and reacting the remaining unblocked isocyanate groups with an alkanolamine to introduce hydroxyl groups into the polymer.

Abstract: The invention provides a self-curing resin which contains one or more blocked isocyanate groups and one or more hydroxyl groups in the molecule and which is produced by polymerizing a monomer component containing an isocyanate-containing, radical-polymerizable monomer as an essential monomer thereof, blocking part of the isocyanate groups in the resulting polymer and then reacting the remaining unblocked isocyanate group or groups with an alkanolamine for hydroxyl group introduction into the polymer.

Abstract: A dispersion of fine particles of a gelled polymer obtainable by copolymerizing and crosslinking a vinyl monomer mixture containing at least 0.5% by weight each of at least two vinyl monomers in the presence of a macromonomer A, which has a molecular chain of poly(12-hydroxystearic acid) and has at least about one polymerizable unsaturated double bond per molecule in average, and a macromonomer B, which is a copolymer of an ethylenic unsaturated monomer and has a solubility parameter value of from 7.5 to 9.2 and about 1.0 to about 1.

Abstract: A thermosetting resin composition comprising as main components(A) an acrylic resin containing in the molecule a carboxyl group, a hydroxyl group and an epoxy group and having an acid value of 15-150 mg KOH/g, a hydroxyl value of 30 mg KOH/g or more, an epoxy equivalent of 3,000-15,000 and a number-average molecular weight of 3,000-30,000,(B) an acrylic resin containing in the molecule a carboxyl group, a hydroxyl group and an epoxy group and having an acid value of 2-10 mg KOH/g, a hydroxyl value of 30 mg KOH/g or more, an epoxy equivalent of 250-2,500 and a number-average molecular weight of 3,000-30,000 and(C) an amino resin,wherein the molar ratio of the carboxyl group of the component (A)/the epoxy group of the component (B) is 1/0.5 to 0.5/1 and the amount of the component (C) is 10-40% by weight based on the total amount of the components (A) to (C). The resin composition is useful for use particularly in top coat paint composition for automobile outer panels.

Abstract: A dispersion of fine particles of a gelled polymer obtainable by copolymerizing and crosslinking a vinyl monomer mixture containing at least 0.5% by weight each of at least two vinyl monomers in the presence of a macromonomer A, which has a molecular chain of poly(12-hydroxystearic acid) and has at least about one polymerizable unsaturated double bond per molecule in average, and a macromonomer B, which is a copolymer of an ethylenic unsaturated monomer and has a solubility parameter value of from 7.5 to 9.2 and about 1.0 to about 1.