Nippon Paint Compnay, Ltd.

Yoshitaka Okude

Akira Fushimi

Tsuneyoshi Hisai

Takeshi Takagi

Hiroshi Miwa

Seigo Miyazoe

Kazuhiko Takeoka

Shigeyuki Sasaki

Masakazu Watanabe

Sakuichi Konishi

Hidefumi Okuda

Katsumi Mizuguchi

Tadahiko Nishi

Yoshio Eguchi

Tadafumi Miyazono

Takeo Kurauchi

Haruhiko Sawada

Akiharu Ogino

Yasuo Tanaka

Hisaki Tanabe

Teruaki Kuwajima

Hiroharu Ohsugi

Atsushi Yamada

Shinichiro Umeda

Makoto Shimizu

Satoru Nagahata

Hiroto Yoneda

Koichi Hagihara

Eiji Itoh

A heat-curable, water-dispersible resin composition comprising 50 to 90% by weight of a film-forming polymer (A) obtained by copolymerizing an ethylenic monomer having a saturated C.sub.6 to C.sub.18 hydrocarbon group, a hydroxy-containing ethylenic monomer, an acidic group-containing ethylenic monomer and another ethylenic monomer, and 50 to 10% by weight of a hydroxy-terminated polyester resin (B), said resin (B) being grafted on said polymer (A) by transesterification, and at least part of the acidic groups in said polymer (A) being neutralized with a base (C); a method of producing said resin composition; a water-based paint composition comprising said resin composition and a curing agent; and a two-coat one-bake coating method which uses said paint composition as a base coat. This invention provides a water-based paint composition which shows good workability in a broad humidity condition range, and excellent in storage stability, paint film appearance and performance characteristics.

Method of coating using pigment-containing water-based paint composition

The present invention provides a curable resin composition having good curability and storage stability, which provides a cured film having excellent weather resistance, acid resistance and mar resistance. The curable resin composition comprises:

Coating of carboxyl-containing acrylic copolymer and epoxy-containing

A water-based thermosetting coating composition comprises a polyester resin having a number of pendant carboxyl groups and a crosslinker for the resin both dispersed in an aqueous medium containing a neutralizing base. The polyester resin contains as polyester-forming polyhydric alcohol reactants from 1 to 40% by weight of the entire polyester-forming reactants of a polyalkadienediol or a hydrogenated products thereof and from 2 to 50% by weight of the entire polyester-forming reactants of a 2,2-bis(hydroxymethyl)alkanoic acid. The coating composition is useful for forming a multilayer coating film on metallic substrates such as automobile bodies by applying the coating composition as an intermediate coating layer between an electrodeposition coating layer and a top coating layer.

Water-based coating compositions and coating method using the same

Coating composition process for forming cured film and coated article

Heat-curable, water-dispersible resin composition, production thereof,

A method of forming multilayer coatings including a pigmented base coat layer applied on a substrate such as automobile bodies comprises applying, as an outermost layer, a clear coat composition comprising (a) a resin having pluralities of hydrosilyl groups and alkenyl groups in the molecule or a blend of resins having a plurality of hydrosilyl groups in the molecule and a plurality of alkenyl groups in the molecule, respectively, and (b) a compound catalyzing the addition reaction of the hydrosilyl group to the alkenyl group.

Method of forming multilayer coatings on a substrate

Color coating composition

The present invention provides a curable resin composition which provides cured film having not only excellent acid resistance but also good weather resistance, good mar resistance and seal cracking resistance because of its high extensibility. The curable resin composition comprises (a) 20 to 80% by weight of a polymer having carboxyl and carboxylate groups; and (b) 2% to 80% by weight of a polymer having hydroxyl and epoxy groups. The present invention also provides a process for forming a cured film using the resin composition.

Coating with carboxyl and carboxylate-containing polymer and hydroxyl

The present invention provides, a curable resin composition and a process for forming a cured film therefrom wherein the cured film has not only excellent acid resistance but also good weather resistance, good mar resistance and sealer cracking resistance because of its high extensibility, The curable resin composition comprises (a) 20 to 80% by weight of a polymer having carboxyl and carboxylate groups; and (b) 20 to 80% by weight of a polymer having hydroxyl and epoxy groups.

Carboxyl and carboxylate polymer with hydroxyl and epoxy polymer

The present invention provides a low viscosity curable resin composition and coating composition containing the same which has a decreased solvent content. The coating composition provides a cured film having not only excellent acid resistance but also good weather resistance and mar resistance without an adverse effect to the environment. The curable resin composition comprises (a) a hydroxyl and carboxyl group containing silicone polymer, (b) a carboxyl and carboxylate group containing polymer, and (c) a hydroxyl and epoxy group containing polymer.

Process for forming a coating on a substrate

Curable resin composition, a coating composition and a process for

The present invention provides a curable resin composition which provides cured film having not only excellent acid resistance but also good weather resistance and good mar resistance. The curable resin composition comprises (a) a hydroxyl and carboxyl group containing polymer, (b) a carboxyl and carboxylate group containing polymer, and (c) a hydroxyl and epoxy group containing polymer.

The present invention provides a thermosetting resin composition which provides cured film having not only excellent acid resistance but also good weather resistance, good mar resistance and high water repellency. The thermosetting resin composition comprises (a) a fluorinated polymer having a hydroxyl group and/or an acid group, (b) a polymer having a carboxyl group and a carboxylic ester, and (c) a polymer having a hydroxyl group and an epoxy group.

Resin composition and coating composition containing the same

Disclosed is a coating composition curable at a low temperature, comprising (A) a hydroxyl-containing compound, (B) a metal chelate compound or a metal alcoholate compound and (C) a compound having an acid anhydride group. The composition further comprises a chelate-forming compound (D) and/or a tertiary amine (E).

Coating composition curable at a low temperature

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Hirakata, Japan

Yoshitaka Okude