Lubricating resin coated steel strips having improved formabilit

Details Lubricating resin coated steel strips having improved formabilit Lubricating resin coated steel strips having improved formabilit

1989-05-31

1991-10-29

Rosenberg, Peter D.

Stock material or miscellaneous articles

All metal or with adjacent metals

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

428626, B32B 1504

Patent

active

050615750

ABSTRACT:
A zinc, zinc alloy or aluminum alloy plated steel strip having chromate coatings on both surfaces is coated with a lubricating resin composition for improving formability and corrosion resistance. In one form, a resin composition including a base resin, silica, a high-melting polyolefin wax and optionally, a low-melting polyolefin wax is applied on both surfaces for improving formability. In a second form, a resin composition including a base resin, silica, and a powder fluoro resin is applied on both surfaces for improving corrosion resistance. In a third form, the chromated steel is coated with a resin composition including a base resin, silica and a solid lubricant on one side and with a resin composition including a base resin and silica on the other side for improving both formability and corrosion resistance.

REFERENCES:
patent: 4804587 (1989-02-01), Takeuchi
patent: 4889775 (1989-12-01), Adaniya
patent: 4891273 (1990-01-01), Odashima
patent: 4970126 (1990-11-01), Adaniya

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