Method and composition for electroless nickel deposition

Coating processes – Immersion or partial immersion – Metal base

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106 122, 106 126, 4274431, 428936, C23C 302

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active

046006095

ABSTRACT:
An electroless nickel plating method and composition is disclosed wherein a soluble acetylenic compound is included within the plating bath in small amounts effective to improve the specularity of the nickel deposit without substantially decreasing the electroless plating rate of the bath. The method and compositions of the invention are useful in producing mirror-bright electroless nickel coatings free of haze.

REFERENCES:
patent: 2658841 (1953-11-01), Gutzeit et al.
patent: 2658842 (1953-11-01), Gutzeit et al.
patent: 3457089 (1969-07-01), Shipley et al.
patent: 3661597 (1972-05-01), Gucca
patent: 4049509 (1977-09-01), Such et al.
patent: 4265943 (1981-05-01), Goldstein et al.
patent: 4371397 (1983-02-01), Homna et al.
Plokhov et al., Effect of Leveling Additives in Electroless Nickel Plating.

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