Abstract: A coating composition comprising(A) a film-forming binder resin,(B) a volatile organic liquid diluent dissolving the film-forming binder resin (A) and(C) fine particles of a polymer which does not dissolve in a solution of the binder resin (A) in the diluent (B) but are dispersed stably in said solution, andthe fine polymer particles (C) being fine particles of gelled polymer obtained by emulsion polymerization of(a) a polymerizable monomer having at least two radical-polymerizable unsaturated groups in the molecule, and(b) a radical polymerizable unsaturated monomer other than the monomer (a),in the presence of a reactive emulsifier having an allyl group in the molecule.

Abstract: An electromagnetic fuel injection valve for an internal combustion engine having a housing which houses a valve, a needle valve element, a movable core, an electromagnetic actuator and spacer. The housing is made of magnetic material forms a magnetic flux circuit with the electromagnetic actuator and the movable core. The cylindrical housing is made of a plate material which comprises a portion facing the movable core, and the portion has a substantially minimum thickness to actuate the movable core.

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: Disclosed is an automotive coating composition comprising (i) a basal resin which is either (a) a copolymer containing a specific polysiloxane macromonomer having two or more functional groups selected from the class consisting of hydroxyl and alkoxy groups per molecule and a number average molecular weight of 400 to 100,000 and an oxirane group-containing vinyl monomer as comonomer units or (b) a mixture of a polymer (I) containing said polysiloxane macromonomer as an essential monomer unit and a polymer (II) containing an oxirane group-containing vinyl monomer as an essential monomer unit and (ii) a chelate compound selected from the class consisting of aluminum chelate compounds, titanium chelate compounds and zirconium chelate compounds.

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 process for coating a metallic substrate, characterized by applying on a metallic substrate a electrocoating paint, applying thereon a barrier coat comprising a film-forming thermoplastic resin other than a modified polyolefin resin and capable of forming a barrier coat film having a static glass transition temperature of 0.degree. to -75.degree. C., optionally applying on said barrier coat an intermediate coating paint and then applying thereon a top coating paint.

Abstract: A process for coating a metallic substrate, characterized by applying on a metallic substrate an electrocoating paint, applying thereon a barrier coat comprising a film-forming thermoplastic resin other than a modified polyolefin resin and capable of forming a barrier coat film having a static glass transition temperature of 0.degree. to -75.degree. C., optionally applying on said barrier coat an intermediate coating paint and then applying thereon a top coating paint.

Abstract: Disclosed is a composition curable at a low temperature and 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 at least one of a copolymer comprising as its monomer components an oxirane-containing vinyl monomer and an alkoxysilane-containing vinyl monomer and a vinyl copolymer comprising as its monomer components a polysiloxane macromonomer and an oxirane-containing vinyl monomer,(b) a chelate compound admixed with a nonaqueous dispersion.

Abstract: A top coating composition comprising(A) a polyol resin having a weight average molecular weight of 400 to 2,000 a ratio of weight average molecular weight (Mw) to number average molecular weight (Mn) of not more than 1.

Abstract: A coating method characterized in that the method comprises the steps of applying a thermosetting coating composition containing a pigment to a substrate to be coated, applying a first clear coating composition to the coat to form a first clear coat, baking the two coats at the same time for curing, applying to the cured coats a second clear coating composition capable of forming a second clear coat having, when cured, a molecular weight between crosslinks of about 200 or less as determined by a xylene-swelling method and baking the second clear coat for curing.

Abstract: An organic solvent-type coating composition comprising as a main film-forming component a modified polyolefin composed of an adduct of a monoepoxy compound with an polyolefin having maleic acid or its anhydride grafted thereto, and a method of coating a plastic material using the coating composition.

Abstract: A process for coating automotive bodies which are composed of metallic members and plastic members, said process comprising assembling metallic members and plastic members into automotive outer bodies, applying a cation type electrocoating to the metallic members either before or after the assembling, applying onto the surfaces of the two types of members including the electrocoated surfaces of the assembled body a barrier coat comprising a modified polyolefin resin and capable of forming a barrier coat film having a static glass transition temperature of 0.degree. to -60.degree. C., optionally applying on said barrier coat an intermediate coating paint and then applying thereon a top coating paint.

Abstract: A process for coating a metallic substrate, characterized by applying on a metallic substrate a cation type electrocoating paint, applying thereon a barrier coat comprising a modified polyolefin resin and capable of forming a barrier coat film having a static glass transition temperature of 0.degree. to -60.degree. C., optionally applying on said barrier coat an intermediate coating paint and then applying thereon a top coating paint.

Abstract: A process for coating a metallic substrate, characterized by applying on a metallic substrate a cation type electrocoating paint, applying thereon a barrier coat comprising a modified polyolefin resin and capable of forming a barrier coat film having a static glass transition temperature of 0.degree. to -60.degree. C. and a corrosion-preventive pigment, optionally applying on said barrier coat an intermediate coating paint and then applying thereon a top coating paint.

Abstract: In a heat-curable coating composition containing an oil-free polyester resin and an aminoaldehyde resin as binder components, the improvement wherein(A) the materials for said oil-free polyester resin contain 40 to 75% by weight, based on the total weight of said materials, of at least one polyester-forming compound selected from the group consisting of(a) an aliphatic dibasic acid represented by the formula HOOC--CH.sub.2 --.sub.n COOH wherein n is an integer of 4 to 10 as a polybasic acid,(b) an aliphatic glycol represented by the formula HO--CH.sub.2 --.sub.n OH wherein n is an integer of 4 to 10 as a polyhydric alcohol, and(c) a lactone represented by the formula ##STR1## wherein n is an integer of 4 to 10, (B) the entire polybasic acid components of the polyester resin contain at least 10%, based on the total weight of said polybasic acid components, of an alicyclic polybasic acid or its anhydride, and(C) the polyester resin has a hydroxyl value of 20 to 95.

Abstract: A heat-curable coating composition comprising as a binder(A) an oil-free polyester in which at least 30 mole % of the acid component consists of a saturated alicyclic polybasic acid, said polyester having a composition on or within the four sides of a tetragon defined by four points of (0.8, 60), (0.8, 100), (1.00, 70) and (1.00, 100), on coordinates in which the abscissa represents the molar ratio of the polybasic acids to the polyhydric alcohols (dibasic acid ratio) and the ordinate represents the proportion in mole % of a glycol having at least 3 carbon atoms in the polyhydric alcohols,(B) an alkyd resin having an oil length of 15 to 50% and a hydroxyl value of 40 to 200,(C) a hydroxyl-containing acrylic resin having a hydroxyl value of 20 to 200 and a number average molecular weight of 1,000 to 30,000, and(D) a crosslinking agent.

Abstract: A process for forming a metallic paint film comprising(a) coating on a substrate surface a metallic paint containing as a vehicle component a modified vinyl-type copolymer obtained by copolymerizing 5-75 weight % of cellulose acetate butyrate with 95-25 weight % of a monomeric component consisting of one or more vinyl-type monomers,(b) if necessary, coating a thermosetting resin-type clear topcoating while said coated metallic paint film is in the unhardened state and(c) then baking the paint film.

Abstract: A process for forming a metallic paint film comprising(a) coating on a substrate surface a metallic paint containing as a vehicle component a modified vinyl-type copolymer obtained by copolymerizing 5-75 weight % of cellulose acetate butyrate with 95-25 weight % of a monomeric component consisting of one or more vinyl-type monomers,(b) if necessary, coating a thermosetting resin-type clear topcoating while said coated metallic paint film is in the unhardened state and(c) then baking the paint film.

Abstract: In a method for applying a metallic finish coat to a substrate which comprises applying a base coat composed of a metallic paint containing a thermosetting resin as a film-forming ingredient to a substrate, applying a top coat composed of a clear paint containing a thermosetting resin as a film-forming ingredient to the surface of the base coat, and heating both the base coat and top coat to cure them, the improvement wherein the film-forming ingredient of the clear paint in the top coat comprises (A) an acrylic resin having a number average molecular weight of 5,000 to 15,000 and a glass transition temperature of from 5.degree. to 35.degree. C.