Electroforming metals and electrolytes therefor
Abstract
Abstract IN AN ELECTROLYTIC BATH FOR USE IN THE ELECTRO-FORMING OF A BASE METAL SUCH AS IRON, COBALT, NICKEL, TIN, ZINC, MANGANESE AND COPPER, OR A COMBINATION OF TWO OR MORE OF THESE, THE IMPROVEMENT WHICH COMPRISES THAT THE BATH CONTAINS AT LEAST ONE ACETYLENIC COMPOUND DEVOID OF AMINO GROUPS IN AN AMOUNT WITHIN THE RANGE OF 0.1 TO 10 G./1., AT LEAST ONE A,B-UNSATURATED AROMATIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF CINNAMIC ACID, CINNAMALDEHYDE, 1,2-BENZOPYRONE AND PHTHALYLACRYLIC ACID, IN AN AMOUNT WITHIN THE RANGE OF 0.1 TO 50 G./1. AND AT LEAST ONE DIFUNCTIONAL AROMATIC ACID CONTAINING IN THE MOLECULE AT LEAST ONE CARBOXYLIC ACID GROUP AND AT LEAST ONE SULPHONIC ACID GROUP AND SELECTED FROM THE GROUP CONSISTING OF SULPHOPHTHALIC ACID, SULPHOISOPHTHALIC ACID AND SULPHOSALICYLIC ACID, THE DIFUNCTIONAL AROMATIC ACID BEING PRESENT IN THE BATH IN AN AMOUNT WITHIN THE RANGE OF 0.1 TO 100 G./1.
Inventors
- 👤 Peter Spiro
Bibliographic Details
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