Process for catalyzation in electroless plating

Details Process for catalyzation in electroless plating Process for catalyzation in electroless plating

1995-03-14

1997-08-26

Utech, Benjamin

Coating processes

With pretreatment of the base

Preapplied reactant or reaction promoter or hardener

427437, 4274431, B05D 304

Patent

active

056608837

ABSTRACT:
There is disclosed a novel process for catalyzation for trapping of a catalyst metal involved with the adhesion of an electroless plating to a substrate. The process is carried out by employing neither the sensitizing-activating method nor the catalyst-accelerator method. Specifically, in forming an electroless plating on the surface of a non-conductive substance as a substrate, the surface of the non-conductive substance is coated with a treatment liquid containing at least chitosan or a chitosan derivative before the steps of catalyzation and electroless plating to form a hydrophilic coating film on the surface of the non-conductive substance.

REFERENCES:
patent: 4663240 (1987-05-01), Hajdu et al.
patent: 4670306 (1987-06-01), Salem
patent: 5336415 (1994-08-01), Neans
patent: 5475080 (1995-12-01), Gruber et al.
patent: 5492676 (1996-02-01), Price et al.

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