Catalytic primer

Details Catalytic primer Catalytic primer

1976-03-30

1980-12-16

Hayes, Lorenzo B.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

427305, 427306, C23C 302

Patent

active

042395380

ABSTRACT:
In the electroless plating of dielectric or non-conductive substrates by first priming the surface of the substrate with aqueous solutions containing stannous and copper ions, followed by developing the substrate with a reducing agent capable of reducing the valence state of the copper ions, the substrate is contacted with a linking agent for the stannous ion either prior to or concurrently with the priming step permitting the use of lower amounts of stannous and copper ions while achieving improved plating and improved primer usefulness.

REFERENCES:
patent: 2454610 (1948-11-01), Narcus
patent: 2472393 (1949-06-01), Avallone et al.
patent: 3454407 (1969-07-01), Moller et al.
patent: 3674517 (1972-07-01), Miller
patent: 3682671 (1972-08-01), Zeblisky
patent: 3725108 (1973-04-01), Saubestre et al.
patent: 3870526 (1975-03-01), Pearlstein et al.
patent: 3902908 (1975-09-01), Rantell et al.
patent: 4160050 (1979-07-01), Nuzzi et al.

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