Acid nickel electroplating additive therefor and method of makin

Details Acid nickel electroplating additive therefor and method of makin Acid nickel electroplating additive therefor and method of makin

1976-05-26

1977-12-13

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

204DIG2, 252182, 260513R, C25D 316, C09K 300, C07C14316

Patent

active

040627381

ABSTRACT:
Primary brightener additives and baths and processes for acid nickel electroplating are provided, as well as a process for making such additives.
The additives contain mixtures of alkyne compounds, the major mole fractions of which consist of asymmetrical alkyne sulfonic acids.

REFERENCES:
patent: 2315802 (1943-04-01), Lind et al.
patent: 3089888 (1963-05-01), Mayhew et al.
patent: 3366557 (1968-01-01), Foulke et al.
patent: 3502550 (1970-03-01), Passal
patent: 3699016 (1972-10-01), Beach et al.
patent: 3719568 (1973-03-01), Klein et al.
patent: 3795592 (1974-03-01), Klein et al.
patent: 3804727 (1974-04-01), Lyde

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