Adhesion of electroless coatings to resinous articles by...

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

C - Chemistry, Metallurgy

23

C

C23C 18/20 (2006.01) C23C 18/22 (2006.01) H05K 3/18 (2006.01) H05K 3/38 (2006.01)

Patent

CA 2085678

RD-21344 IMPROVEMENT OF ADHESION OF ELECTROLESS COATINGS TO RESINOUS ARTICLES BY TREATMENT WITH PERMANGANATE 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.

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