Chemical conversion method and surface treatment and method for

Details Chemical conversion method and surface treatment and method for Chemical conversion method and surface treatment and method for

1995-05-19

1997-11-11

Silverberg, Sam

Metal treatment

Process of modifying or maintaining internal physical...

Processes of coating utilizing a reactive composition which...

148255, 148257, 148246, 148260, 148273, C23C 2208, C23C 2236

Patent

active

056859228

ABSTRACT:
Quaternary ammonium salt having at least one alkyl group of 10 to 20 in carbon number is added to a chemical conversion solution to be at least 20 ppm in concentration, and a chemical conversion coating is formed on a surface of a metal can with this chemical conversion solution. After the chemical conversion coating is formed on the surface of the metal can with the chemical conversion solution, a surface treatment solution containing quaternary ammonium salt having at least one alkyl group of 10 to 20 in carbon number is applied to the surface of the metal can provided with the chemical conversion coating.

REFERENCES:
patent: 3661784 (1972-05-01), Bellos
patent: 4260499 (1981-04-01), Fern
patent: 5047095 (1991-09-01), Geke
patent: 5139586 (1992-08-01), Das
patent: 5174914 (1992-12-01), Gutzmar
patent: 5458698 (1995-10-01), Bershas

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