PROCESS FOR THE DEMULSIFYING CLEANING OF METALLIC SURFACES

De-emulsifying cleansing of metal surfaces, which are possibly contaminated with oil(s), at least a further nonpolar organic compound, fat(s), detergent(s), dirt particles and/or at least an anionic organic compound, using an aqueous, alkaline, surfactant-containing bath solution (purification bath,...

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Hauptverfasser: Komp, Carola, Claude, Peter, Yüksel, Zafer, Dressler, Franz, Geldner, Joachim, Schönfelder, Eckart, Bauerochse, Stella, Van den Berg, Ralph
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:De-emulsifying cleansing of metal surfaces, which are possibly contaminated with oil(s), at least a further nonpolar organic compound, fat(s), detergent(s), dirt particles and/or at least an anionic organic compound, using an aqueous, alkaline, surfactant-containing bath solution (purification bath, bath), where: the bath contains a de-emulsifying surfactant and at least a cationic organic compound, and the bath is maintained in a de-emulsifying state even in the case of increasing contamination preferably with at least an anionic organic compound.