Method for adhering metal coatings to polyphenylene ether-polyst

Details Method for adhering metal coatings to polyphenylene ether-polyst Method for adhering metal coatings to polyphenylene ether-polyst

1993-11-05

1995-05-09

Beck, Shrive

Coating processes

With pretreatment of the base

Preapplied reactant or reaction promoter or hardener

427304, 4273831, 427404, 4274431, 205169, 205224, 205927, B05D 310

Patent

active

054138175

ABSTRACT:
Substrates comprising blends of at least one polyphenylene ether and at least one poly(alkenylaromatic compound) (e.g., polystyrene) are treated with aqueous tetravalent cerium in a concentration of at least about 0.1 M, preferably acidified with nitric acid, to improve adhesion to metal coatings subsequently deposited nonelectrolytically; for example, by electroless deposition. The metallized articles are heat treated following metal deposition. Further metal coatings may be deposited, preferably followed by further heat treatment.

REFERENCES:
patent: 3471320 (1969-10-01), Saubestre et al.
patent: 3556955 (1971-01-01), Ancker et al.
patent: 4781788 (1988-11-01), Forsterling et al.
patent: 5290597 (1994-03-01), Baumgartner et al.
patent: 5316867 (1994-05-01), Chao et al.

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