C - Chemistry – Metallurgy – 25 – D
Patent
C - Chemistry, Metallurgy
25
D
204/28, 204/26.5
C25D 3/12 (2006.01) C25D 3/22 (2006.01) C25D 3/38 (2006.01) C25D 3/56 (2006.01)
Patent
CA 1133417
ABSTRACT OF THE DISCLOSURE The present invention is directed to an aqueous bath for the electrodeposition of bright metal deposits, and is more particularly concerned with a bath composition which provides upon the basis metal an electrodeposit having improved brightness, superior adhesion to the substrate, and as well, a condition of ductility markedly better than that obtained from certain prior art baths. The electroplating bath composition of this invention includes therein a sulfamalkylated polyamine which is a reaction product containing nitrogen substituted alkyl sulfamate units represented by the general formulae: Image or Image where M = H, Li, Na, K or NH4, R = aryl or alkyl of 1 - 4 carbons, n = 2 to 3, m = 0 to 3, and x = 7 to 2400.
304346
Oxy Metal Industries Corporation
Swabey Ogilvy Renault
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