Pretreatment for electroplating mineral-filled nylon

Details Pretreatment for electroplating mineral-filled nylon Pretreatment for electroplating mineral-filled nylon

C - Chemistry, Metallurgy

25

D

204/96.01

C25D 5/56 (2006.01) C23C 28/02 (2006.01)

Patent

CA 1240282

PRETREATMENT FOR ELECTROPLATING MINERAL-FILLED NYLON Abstract of the Disclosure A method of preparing the surface of molded mineral-filled nylon to receive an adherent electrode posited metal coating comprising the steps of: exposing the surface to a plasma glow discharge; vacuum depositing a film of chromium or titanium onto the plasma-treated surface; vacuum depositing a nickel film onto the chromium or titanium film to prevent oxidation thereof; and then vacuum depositing a copper film onto the nickel film. The plasma gas is preferably inert (e.g., argon, helium, etc.) and metal deposition is effected so as to avoid oxidation of the chromium/titanium and nickel films during processing.

491231

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