| 摘要 |
In order to achieve an even satin-finished nickel or nickel alloy coating an acid nickel or nickel alloy electroplating bath is proposed which contains a sulfosuccinic acid compound of the general formula I additional to at least one quaternary ammonium compound, wherein R<SUB>1</SUB>, R<SUB>2</SUB>=hydrogen ion, alkali ion, alkaline earth ion, ammonium ion and/or C<SUB>1</SUB>-C<SUB>18 </SUB>hydrocarbon moiety, wherein R<SUB>1 </SUB>and R<SUB>2 </SUB>are identical or different with the proviso that at the most one of the groups R<SUB>1 </SUB>and R<SUB>2</SUB>=hydrogen ion, alkali ion and alkaline earth ion, and wherein K<SUP>+</SUP>=hydrogen ion, alkaline ion, alkaline earth ion, ammonium ion |
