Zinc alloy-plated corrosion preventive steel sheet having an org

Details Zinc alloy-plated corrosion preventive steel sheet having an org Zinc alloy-plated corrosion preventive steel sheet having an org

1988-12-15

1990-03-20

McDowell, Robert

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

4273884, 428626, 428632, 428659, B32B 1504

Patent

active

049100971

ABSTRACT:
A corrosion preventive steel sheet having an organic coating layer is described. The steel sheet is comprised of a zinc alloy-plated steel sheet, and a chromate layer and an organic coating layer formed in this order on at least one side of the steel sheet. The organic coating layer is formed from a coating composition comprised of 100 parts by weight of a water-soluble urethane resin and from 5 to 80 parts by weight of colloidal silica. A method for making the corrosion preventive steel sheet is also described.

REFERENCES:
patent: 4304822 (1981-12-01), Heyl
patent: 4389463 (1983-06-01), Smeggil et al.
patent: 4407899 (1983-10-01), Hara et al.
patent: 4705726 (1987-11-01), Shindou et al.
patent: 4775600 (1988-10-01), Adaniya et al.

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