CATHODIC ELECTROCOATING PROCESS

Heat cured coatings cathodically electrodeposited from an aqueous dispersion of (a) an ionized reaction product of an epoxy resin and a monoamino alcohol or phenol, said reaction product also having a pendant hydrocarbon group, (b) an acid-functional aminoplast resin, and (c) a water soluble acid so...

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Bibliographische Detailangaben
Hauptverfasser:	EVANS, JAMES M, WOO, JAMES T. K
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES APPARATUS THEREFOR CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CORRECTING FLUIDS DYES ELECTROFORMING ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FILLING PASTES GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	Heat cured coatings cathodically electrodeposited from an aqueous dispersion of (a) an ionized reaction product of an epoxy resin and a monoamino alcohol or phenol, said reaction product also having a pendant hydrocarbon group, (b) an acid-functional aminoplast resin, and (c) a water soluble acid solubilizer, where the dispersion is free from water soluble acid which will be retained in the heat cured resinous coating are found to provide exceptional resistance to corrosion of ferrous metal substrates upon exposure to salt spray or detergent solutions.