Coating processes – With pretreatment of the base – Preapplied reactant or reaction promoter or hardener
Patent
1974-11-07
1976-06-08
Kendall, Ralph S.
Coating processes
With pretreatment of the base
Preapplied reactant or reaction promoter or hardener
106 1, 427304, C23C 302
Patent
active
039624960
ABSTRACT:
A new composition and method for treating resinous surfaces that are to be metallized, and an improved sensitized substrate resulting therefrom. A resinous surface that has been conditioned by an oxidizer is treated with an aqueous solution comprising hydrazine to neutralize the surface and provide an improved sensitized surface for subsequent metallization. A preferred form of the solution also includes a pH adjuster and a sequestering agent.
REFERENCES:
patent: 3620804 (1971-11-01), Bauer et al.
Plating on Plastics, G. Muller and D. W. Bandrach, Robert Draper Ltd, C-1971 pp. 103, 104.
"Electroless Plating Comes of Age," Brenner Metal Finishing Dec., 1954.
Modern Electroplating, John Wiley & Sons Inc. c-1974.
Kendall Ralph S.
Photocircuits Division of Kollmorgen
Smith John D.
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