Solution for the activating of electrically nonconductive substr

Details Solution for the activating of electrically nonconductive substr Solution for the activating of electrically nonconductive substr

1989-12-26

1992-02-18

Lusignan, Michael

Coating processes

With pretreatment of the base

Preapplied reactant or reaction promoter or hardener

427306, 106 111, C23C 2600

Patent

active

050893017

ABSTRACT:
An activation solution for the activating of electrically nonconductive plastic surfaces of the purpose of a subsequent chemical metallization is prepared from an acid, a palladium(II) salt and a tin(II) salt, the palladium being present predominately in complexly dissolved form. The solution is prepared at room temperature, the molar ratio of the palladium employed and of the tin employed being about 1:1 to 1:2. The solution is mature and catalytically effective after about 10 minutes. There are no further stabilizing agents, auxiliary materials or the like present.

REFERENCES:
patent: 3672938 (1972-06-01), Zeblisky
patent: 3682671 (1972-08-01), Zeblisky
patent: 3960573 (1976-06-01), Zeblisky
patent: 3967010 (1976-06-01), Maekawa
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patent: 4835015 (1989-05-01), Kistrup
patent: 4863758 (1989-09-01), Rhodenizer
S. John et al., "Practical Formulations for Plating on ABS Plastics", Metal Finishing, Mar. 1986, pp. 51-54.

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