Metal surface treatment with an aqueous solution

Details Metal surface treatment with an aqueous solution Metal surface treatment with an aqueous solution

1988-12-16

1990-12-18

Woo, Jay H.

Metal treatment

Process of modifying or maintaining internal physical...

Processes of coating utilizing a reactive composition which...

148251, 106 1415, C23C 2200

Patent

active

049783998

ABSTRACT:
A metal article is improved on its surface for the purpose of plating thereon by treatment with an additive of an anionic, cationic or amphoteric and water-soluble or water-self-dispersible organic polymer J, K or L. J is a polymer having an aromatic ring and OH group and a polar group. K is a polymer of hydroxystyrene having a polar group. L is a copolymer of hydroxystyrene having a polar group and a vinyl compound. The article this way plated is improved in corrosion resistance.

REFERENCES:
patent: 4143020 (1979-03-01), Emmons
patent: 4376000 (1983-03-01), Lindert
patent: 4457790 (1984-07-01), Lindert
patent: 4512860 (1985-04-01), Abbey
patent: 4517028 (1985-05-01), Lindert
patent: 4900358 (1990-02-01), Gallacher

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