CATIONIC ELECTROCOATING COMPOSITION

PROBLEM TO BE SOLVED: To provide a cationic electrocoating composition capable of forming an excellent coated film with a limited rust-preventing property and rust-preventing property on an untreated steel sheet without containing a harmful material such as a lead compound and a chromium compound.SO...

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Bibliographische Detailangaben
Hauptverfasser:	TSUJIMOTO KOSHI, SUGANUMA TAKAYUKI, NAKASHIO MASAAKI
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a cationic electrocoating composition capable of forming an excellent coated film with a limited rust-preventing property and rust-preventing property on an untreated steel sheet without containing a harmful material such as a lead compound and a chromium compound.SOLUTION: The cationic electrocoating composition contains (A) a cationic amine-modified epoxy resin (a base resin) obtained by cationizing an amine-modified epoxy resin obtained by reacting an epoxy resin with an amine, (B) a blocked polyisocyanate (a curing agent resin), (C) zinc oxide and (D) zirconium hydroxide. The composition is useful for the electrocoating of the body of an automobile, a component thereof, an electric apparatus or the like.