Acidic tinplating process and process for producing an iron-tin

Details Acidic tinplating process and process for producing an iron-tin Acidic tinplating process and process for producing an iron-tin

1981-06-25

1983-06-14

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

204 37T, 204 40, 204 54R, C25D 332, C25D 550, C25D 510

Patent

active

043881580

ABSTRACT:
An acidic tinplating electrolyte containing at least one sulfate selected from the sulfates of alkaline metals, ammonium, aluminum, manganese or chromium and an ethoxylated .alpha.-naphthol sulfonic acid in a known stannous sulfate or stannous phenolsulfonate electrolyte.
This acidic tinplating electrolyte is suitable as a preplating electrolyte for a tinplate in which excellent corrosion resistance is required and also as an electrolyte for the production of a steel sheet having an extremely thin tin layer or an extremely thin iron-tin alloy layer, as a very dense and uniform tin layer is formed on the steel sheet by using the electrolyte of this invention.

REFERENCES:
patent: 1987749 (1935-01-01), Pine
patent: 2930740 (1960-03-01), Francisco et al.
patent: 3082157 (1963-03-01), Francisco et al.
patent: 3616292 (1971-10-01), Wilson
patent: 4113580 (1978-09-01), Tsutsui et al.
patent: 4145263 (1979-03-01), Tsutsui et al.

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