Adhesion of electroless coatings to resinous articles by treatme

Details Adhesion of electroless coatings to resinous articles by treatme Adhesion of electroless coatings to resinous articles by treatme

1992-01-21

1993-07-20

Beck, Shrive

Coating processes

With pretreatment of the base

Preapplied reactant or reaction promoter or hardener

427305, 4274431, C23C 2600

Patent

active

052291693

ABSTRACT:
The adhesion of metal coatings deposited by electroless deposition on polycarbonate-addition polymer substrates, especially polycarbonate-ABS substrates, containing up to about 85% (by weight) polycarbonate is improved by first contacting the substrate with an alkali metal hydroxide solution for about 1-2 minutes, followed by an alkaline permanganate solution and a reducing agent to remove any manganese residue.

REFERENCES:
patent: 3598630 (1971-08-01), Doty
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patent: 4054693 (1977-10-01), Leech
patent: 4217438 (1980-08-01), Brunelle
patent: 4272584 (1981-06-01), Goldberg
patent: 4425380 (1984-01-01), Nuzzi
patent: 4515829 (1985-05-01), Deckert
patent: 4873122 (1989-10-01), Darken
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patent: 4999251 (1991-03-01), Foust et al.
patent: 5132191 (1992-07-01), Zarnoch
S. John et al. "Practical Formulation for Plating on ABS Plastics" Metal Finishing, Mar. 1986 pp. 51-54.

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