Electrodeposition of bright nickel-alloy coatings

Electrodeposition of bright nickel-alloy coatings

A bath for the electrodeposition of a bright nickel-iron coating contains an antipitting agent which improves the levelling power of the electrolyte and the ductility of the coating, the antipitting agent being a hydroxyethylated oligoamide containing the repeating unit of the general formula n and...

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Bibliographische Detailangaben
Hauptverfasser: MARIA BLAGOEVA KUNCHEVA, GEORGI MITEV RAYCHEVSKI, VERA VLADIMIROVA MIRCHEVA, IVAN MLADENOV TODOROV, STEFAN RASHKOV STEFANOV, STEFANA DIMITROVA VITKOVA, STEFAN ATANASSOV ARMYANOV, MARGARITA NIKOLOVA CHOMAKOVA
Format: Patent
Sprache:eng
Schlagworte:
APPARATUS THEREFOR
CHEMISTRY
ELECTROFORMING
ELECTROLYTIC OR ELECTROPHORETIC PROCESSES
METALLURGY
PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS
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Beschreibung
Zusammenfassung:A bath for the electrodeposition of a bright nickel-iron coating contains an antipitting agent which improves the levelling power of the electrolyte and the ductility of the coating, the antipitting agent being a hydroxyethylated oligoamide containing the repeating unit of the general formula n and p being the same or different and having a value of from 3 to 12 and which repeating units in said general formula are the same or different, the oligoamide containing from 4 to 45 repeating units and terminating in -NH2 and -COOH end groups.