Back to results
US 10,934,625 B2Granted
Process for metallization of an article having a plastic surface avoiding the metallization of the rack which fixes the article within the plating bath
AssigneeCoventya, Inc.
InventorsSandrine Dalbin, Nicolas Pommier, Gianluigi Schiavon, Peter Pies
Life of this patent
Estimating the term…
Abstract
The invention refers to a process for metallization of an article having a plastic surface avoiding the metallization of the rack which fixes the article within the plating bath.
Claims18
A process for metallization of an article having a plastic surface comprising the steps of:
- a) fastening the article to a rack;
- b) etching the plastic surface with an aqueous etching solution free of Cr6+,
- c) treating the etched plastic surface with a reducing agent;
- and
- d) metalizing the treated plastic surface;
- wherein, after step c) or during step c), the plastic surface of the article and the rack are treated with an aqueous acidic rack conditioning solution which comprises water, at least one organosulfur compound, and at least one inorganic acid at a temperature from 25° C. to 70° C.
3 more elements
Dependencies are inferred from the claim text.