Wet-chemical metallization process

Details Wet-chemical metallization process Wet-chemical metallization process

1993-12-16

1996-01-09

Bell, Janyce

Coating processes

With pretreatment of the base

Preapplied reactant or reaction promoter or hardener

427304, 427306, 427345, 4274431, B05D 310

Patent

active

054827388

ABSTRACT:
A wet-chemical metallization process is used for electrically non-conductive, previously chemically activated plastic substrate sheets. After metallization, the metallizing solution is separated from the substrate sheet by the influence of gravity or centrifugal force, and the sheet is rinsed with rinsing water. The metallizing solution and the rinsing water are each collected separately and subjected to a treatment for the purpose of reuse. To this end, the metallizing solution is distilled and reused as rinsing water. The rinsing water is worked up into a reusable metallizing solution by the addition of chemical metallizing components, thereby saving costs for make-up water (i.e. distilled water) and reducing pollution of the environment by contaminated effluents.

REFERENCES:
patent: 2941902 (1960-06-01), Talmey et al.
patent: 4348429 (1982-09-01), McIntyre et al.
patent: 4805553 (1989-02-01), Krulik

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