Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Physical dimension specified
Patent
1987-09-30
1989-08-01
Herbert, Thomas J.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Physical dimension specified
252511, 428341, 428457, 428469, 428484, 4284581, B32B 1504, B32B 1508, H01B 106
Patent
active
048532851
ABSTRACT:
Corrosive resistant, coated laminate consisting of metal substrate, anti-corrosive layer and paint layer, which is characterized by the fact that the anti-corrosive layer is formed by a composition containing, as essential components, at least one hexa-valent chromium containing chromium compound having a solubility of 20 to 10.sup.-5 and aqueous silica and/or aqueous resin as binder, and as optional component, a water soluble chromium compound having a solubility of more than 20, and the paint layer is free from chromium compound. The laminate is excellent, inter alia, in adhesion of coating and anti-corrosive property. The invention also provides a coated metal plate having excellent corrosion resistance and continuous spot weldability.
REFERENCES:
patent: 4390458 (1983-06-01), McKaveney
patent: 4497877 (1985-02-01), Krijl et al.
patent: 4518524 (1985-05-01), Stoetzer
patent: 4555357 (1985-11-01), Kasuga et al.
patent: 4559166 (1985-12-01), Morinaga et al.
Sobata Tamotsu
Takimoto Masaaki
Yoshida Yuichi
Herbert Thomas J.
Nippon Paint Co. Ltd.
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