Process and composition for sensitizing articles for metallizati

Details Process and composition for sensitizing articles for metallizati Process and composition for sensitizing articles for metallizati

1978-02-21

1991-01-01

Silverberg, Sam

Coating processes

With pretreatment of the base

Preapplied reactant or reaction promoter or hardener

427305, 427306, C23C 1828

Patent

active

049817256

ABSTRACT:
Non-metallic articles are sensitized for deposition of adherent metal from electroless metal solutions in contact therewith by treatment with a first medium including a compound or combination of compounds containing an element which in one of its states is catalytically active to electroless metal deposition thereby adsorbing on the surface in situ the elemnt(s) and/or compound(s); thereafter treating the surface with a second medium to decrease the solubility of the compound or combination of compounds and/or simultaneously removing the excess; and simultaneously or subsequently, if necessary, treating the surface with one or more agents to transfer said element(s) into a catalytically-active state.

REFERENCES:
patent: 3033703 (1962-05-01), Schneble et al.
patent: 3524754 (1970-08-01), Blytas
patent: 3793037 (1974-02-01), Hacias
patent: 3925578 (1975-12-01), Polichette et al.
patent: 3962494 (1976-06-01), Nazzi

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