EPOXY RESIN-BASED CATHODIC DIP COATING (CDC) OF METAL COMPONENTS AS AN ADHESION PROMOTER FOR PU SYSTEMS

The present invention relates to a composite element, in particular for a damping element, comprising: a) at least one metal body having an upper surface; b) a coating comprising an epoxy resin on atleast one portion of the surface of the metal body; c) a plastic body comprising at least one polyure...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MAIER MAXIMILIAN, ESCH MORITZ, HORSTMANN ANDREAS
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADHESIVES BLASTING CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON CORRECTING FLUIDS DYES ENGINEERING ELEMENTS AND UNITS FILLING PASTES GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INKS LIGHTING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS MEANS FOR DAMPING VIBRATION MECHANICAL ENGINEERING METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES SHOCK-ABSORBERS SPRINGS THEIR PREPARATION OR CHEMICAL WORKING-UP THERMAL INSULATION IN GENERAL USE OF MATERIALS THEREFOR WEAPONS WOODSTAINS
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Beschreibung
Zusammenfassung:	The present invention relates to a composite element, in particular for a damping element, comprising: a) at least one metal body having an upper surface; b) a coating comprising an epoxy resin on atleast one portion of the surface of the metal body; c) a plastic body comprising at least one polyurethane which encloses at least part of the metal body according to (a) and at least part of which, in the region of said enclosure, is in direct contact with the coating according to (b), wherein the composite element has a conversion coating (d) between the surface of the metal body (a) and the coating (b), said conversion coating comprising at least one compound selected from the group consisting of zirconium(IV) oxide, zinc(II) phosphate, and chromate. The invention also relates to a dampingelement comprising the composite element and at least one additional body, at least part of which is in direct contact with the composite element, preferably with the plastic body according to (c). The invention also relates t