Abstract: This invention provides a top coating composition which comprises a coating film-forming resin (I); as well as a silicate compound (II) besides a hydrolyzable silyl-containing resin (III) and/or a silicate-grafted resin (IV) resulting from graft polymerization of a silicate compound (II) onto a hydrolyzable silyl-containing resin (III).

Abstract: It is an object of the present invention to provide a method of forming a composite coating film having high flip-flop properties by applying a water-based base coat coating to a substrate, then applying a clear top coat coating thereonto and curing both coatings simultaneously while controlling the interlayer imbibing or inversion of coating films under high humidity conditions. The present invention provides a method of forming a composite coating film by applying a water-based base coat coating to a substrate and then applying a clear top coat coating thereonto, wherein the water-based base coat coating comprises: a polyether polyol having at least 0.02 primary hydroxyl group, on average, per molecule, a number average molecular weight of 300 to 3,000 and a water tolerance of not less than 2.

Abstract: A method for forming a coated film comprises (1) applying a water or solvent based coating composition on an undercoated or intercoated substrate to form a base coating, (2) applying a clear coating composition thereon to form a clear coating without curing the base coating, and (3) heating and curing both the base coating and clear coating, wherein the clear coating composition comprises as a binder (a) from 10-70% by weight of an acrylic polycarboxylic acid having on average 2 or more carboxyl groups per molecule obtained by copolymerizing an acid anhydride group-containing ethylenically unsaturated monomer with an ethylenically unsaturated monomer having no acid anhydride group, then reacting the resulting copolymer with a monoalcohol; (b) from 5-70% by weight of a polyester polycarboxylic acid having an acid value of from 50-350 mg KOH/g (solid) obtained by reacting a polyester polyol having 3 or more hydroxyl groups with an acid anhydride group-containing compound; (c) from 10-80% by weight of a po

Abstract: Disclosed is a high-solid curable resin composition which forms a coated film having excellent acid rain resistance, mar resistance and appearance comprising:

Abstract: A process for forming a multilayer coating film on automotive bodies which comprises applying a clear coating for top coating, by the wet-on-wet technique, onto a base coating containing a color pigment and/or a luster pigment as applied to a coated automotive panel and then heating the coat layers for curing, said base coating comprising, as resin constituents, a product obtained by grafting a silicate compound (A) onto a hydroxyl-containing acrylic resin or polyester resin and a melamine type curing agent.

Abstract: Automotive bodies provided with a multilayer coating film formed by a process comprising the application of a clear-coating for top coating, by the wet-on-wet technique, onto a base coating containing a color pigment and/or a luster pigment as applied to a coated automotive panel and then heating the coat layers for curing, said base coating comprising, as resin constituents, a product obtained by grafting a silicate compound (A) onto a hydroxyl-containing acrylic resin or polyester resin and amino and/or blocked polyisocyanate compound type curing agent.

Abstract: A high-solid curable resin composition which forms a coated film having excellent acid rain resistance, mar resistance and appearance comprises: (a) 10 to 70% by weight of an acrylic polycarboxylic acid having 2 or more carboxyl groups per molecule on an average, an acid value of 5 to 300 mg KOH/g (solid) and a number-average molecular weight of 500 to 8000; (b) 5 to 70% by weight of a polyester polycarboxylic acid having an acid value of 50 to 350 mg KOH/g (solid), a number-average molecular weight of 400 to 3500 and a ratio of weight-average molecular weight to number-average molecular weight of 1.

Abstract: It is an object of the present invention to provide a water-based metallic coating composition capable of providing coatings having a better appearance, superior in luster, even under high humidity conditions, as compared with the prior art water-based coating compositions.

Abstract: It is an object of the present invention to provide a method of forming a composite coating film having high flip-flop properties by applying a water-based base coat coating to a substrate, then applying a clear top coat coating thereonto and curing both coatings simultaneously while controlling the interlayer imbibing or inversion of coating films under high humidity conditions.

Abstract: This invention provides a top coating composition which comprises

Abstract: Disclosed are aqueous crosslinked polymer particles which provide excellent properties and paint workability. Aqueous crosslinked polymer particles have 20 to 200 nm of an average particle size (De), measured by a transmission electron microscope after dyeing with uranyl acetate, and also have 0.5 to 0.9 of an average roundness (R) represented by the equation:R=(Lc/L).sup.2wherein Lc is a perimeter of a circle, having the same area as that of a particle measured by the transmission electron microscope, and L is a perimeter of a particle measured actually. A process for producing aqueous crosslinked polymer particles is also disclosed.

Abstract: The invention relates to formation of a resin film excellent in adhesion with metal or other material and also excellent in alkaline resistance. The invention presents a water-based resin dispersion having an acid value of 0 to 15 obtained by emulsion polymerization of a monomer mixture comprising, in 100 parts by weight of .alpha.,.beta.-ethylenically unsaturated monomer, (1) 1 to 20 parts by weight of .alpha.,.beta.-ethylenically unsaturated monomer with a .beta.-ketoester group, (2) 0.05 to 5 parts by weight of crosslinking .alpha.,.beta.-ethylenically unsaturated monomer with two or more radically polymerizable groups, and (3) the rest of other .alpha.,.beta.-ethylenically unsaturated monomer than (1) and (2), by using a radically polymerizable emulsifier at a ratio of 0.2 to 10 parts by weight against the total of 100 pats by weight of the .alpha.,.beta.-ethylenically unsaturated monomer.