COMPOSITE PAINT FILM COATING

The composite paint film coating comprises an electrodeposition paint film (I) coated on a sheet-steel automotive outer panel, and an intermediate paint film (II) coated on the first paint film. The electrodeposition paint film has a minimum melt viscosity ( lambda min) not less than 0.2 during hard...

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Bibliographische Detailangaben
Hauptverfasser:	NAGAOKA, MASAHIDE, WAKE, MICHIAKI, YAMAMOTO, KATSUYA, KIMURA, HITOSHI, TAKEMOTO, MASAYUKI, INOUE, SHINICHI, SAKAI, NAOYA, SHOSAKU, SAKAUCHI, TSUNEO, SHIRASAKA, AKITOSHI, KISHI, HIROYUKI, TAMURA, YOSHINOBU, KAWABATA, MASAYA, EFUMI, MAKOTO
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES APPARATUS THEREFOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES ELECTROFORMING ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FILLING PASTES INKS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS SPRAYING OR ATOMISING IN GENERAL TRANSPORTING USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	The composite paint film coating comprises an electrodeposition paint film (I) coated on a sheet-steel automotive outer panel, and an intermediate paint film (II) coated on the first paint film. The electrodeposition paint film has a minimum melt viscosity ( lambda min) not less than 0.2 during hardening. The electrodeposition paint film is formed of cathodic electrodeposition paint composition which includes a cationic thermosetting resin (1), and an already cross-linked particulate resin (2). The particulate resin (2) is an addition-polymer formed between a first compound (A) having at least two primary amino groups in a molecule, and a second compound (B) having at least two alpha , beta -ethylenic unsaturated groups. The particulate resin (2) has an average particle size of 0.01 to 1 mu m. The weight ratio ((2)/(1)) in solid content between the cationic thermosetting resin (1) and the particulate resin (2) is within a range from 0.03 to 0.15. The intermediate paint film (II) has a hardening starting time of 5 to 20 minutes.