Metal surface treatment and aqueous solution therefor

Details Metal surface treatment and aqueous solution therefor Metal surface treatment and aqueous solution therefor

1992-01-10

1993-09-21

Dean, R.

Metal treatment

Process of modifying or maintaining internal physical...

Processes of coating utilizing a reactive composition which...

106 1415, 148247, 148251, 148273, 524247, C23C 2268

Patent

active

052465071

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 parted article is improved in corrosion resistance.

REFERENCES:
patent: 4457790 (1984-07-01), Lindert et al.
patent: 4795506 (1989-01-01), Sokalski

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