Acidic nickel electroplating bath containing sulfobetaines as br

Details Acidic nickel electroplating bath containing sulfobetaines as br Acidic nickel electroplating bath containing sulfobetaines as br

1979-05-11

1980-07-15

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

544224, 544242, 544358, 546122, 546182, 546347, 548335, 548341, 548203, C25D 318

Patent

active

042127092

ABSTRACT:
An acidic nickel electroplating bath containing brighteners and levelling agents, wherein the levelling agents are compounds of the formula I ##STR1## where N is a hetero-aromatic nitrogen base, R, R.sup.1 and R.sup.2 are hydrogen or alkyl, R.sup.3 is arylene, X is SO.sub.3.sup.-, Y is a neutralizing cation, n is from 1 to 3 and m is from 1 to 2.5.

REFERENCES:
patent: 3314868 (1967-04-01), Willmund et al.

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