Electroless plating bath for forming black coatings and process

Compositions: coating or plastic – Coating or plastic compositions – Metal-depositing composition or substrate-sensitizing...

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106 127, 427438, 4274431, C23C 1834

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active

057187452

ABSTRACT:
An electroless plating bath for forming black coatings containing a nickel salt and a reducing agent, which further contains a sulfur-containing compound, zinc ions and optionally microparticles, and a method for forming black coatings by electroless plating, wherein an article to be plated is immersed in the plating bath for a certain period of time, which provide black plated coatings without any post-treatments for blackening. Also provided is an article having an electrolessly plated black coating formed by the method.

REFERENCES:
patent: 3971861 (1976-07-01), De Waltoff
patent: 5269838 (1993-12-01), Inoue et al.
patent: 5304403 (1994-04-01), Schlessinger et al.

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