Process for preparation of highly anticorrosive surface-treated

Details Process for preparation of highly anticorrosive surface-treated Process for preparation of highly anticorrosive surface-treated

1984-08-27

1987-04-21

Silverberg, Sam

Metal treatment

Compositions

Heat treating

428626, 428623, 148 616, C23C 2224

Patent

active

046593942

ABSTRACT:
The present invention relates to a process for the preparation of a highly anticorrosive surface-treated steel plate. This process comprises the steps of subjecting a surface of a steel plate having a plating layer of the zinc or aluminum type deposited thereon to a chromate treatment to form a chromate film, treating the steel plate with an organic composite silica solution comprising an epoxy resin in an amount exceeding a certain level as an indispensable component and a curing agent optionally incorporated therein to form an organic composite silicate film comprising colloidal silica, organic resin and silane formed on the chromate film, and heat-treating the steel plate at a specific temperature.

REFERENCES:
patent: 4411964 (1983-10-01), Hara

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