POLYMER-CONTAINING PRE-RINSE PRIOR TO A CONVERSION TREATMENT

A multi-step method for anti-corrosion pretreatment of components made from metallic materials, in which a wet chemical treatment with an aqueous composition (A) containing a dissolved and/or dispersed polymer P, which is substituted with heterocycles containing at least one quaternary nitrogen hete...

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Bibliographische Detailangaben
Hauptverfasser: LILL, Kirsten Agnes, CORNEN, Sophie, MAAS, Michiel Gerard, WAPNER, Kristof, HENZE, Natascha, POSNER, Ralf
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:A multi-step method for anti-corrosion pretreatment of components made from metallic materials, in which a wet chemical treatment with an aqueous composition (A) containing a dissolved and/or dispersed polymer P, which is substituted with heterocycles containing at least one quaternary nitrogen heteroatom, is followed by a conversion treatment based on water-soluble compounds of the elements Zr, Ti, and/or Si before further anti-corrosion coatings are optionally applied.