C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 139/04 (2006.01) B05D 3/10 (2006.01) C23C 22/05 (2006.01)
Patent
CA 2518077
The invention relates to a passivating layer on a metal surface, which can be obtained by bring the metal surface into contact with a composition consisting of a water-soluble, nitrogen-containing polymer; a surface whose structure consists of a metal surface and the inventive passivating layer; a method for forming a passivating layer on a metal surface; the use of a composition consisting of a water-soluble, nitrogen-containing polymer, for passivating a metal surface; and a structure on a metal surface, comprising an inventive passivating layer and other coats of lacquer.
L'invention concerne une couche de passivation sur une surface métallique, obtenue par mise en contact de la surface métallique avec une composition renfermant un polymère azoté hydrosoluble. L'invention concerne en outre une surface, constituée par une surface métallique et par la couche de passivation selon l'invention, un procédé de formation d'une couche de passivation sur une surface métallique, l'utilisation d'une composition renfermant un polymère azoté hydrosoluble, pour la passivation d'une surface métallique, et une structure sur une surface métallique, comprenant une couche de passivation selon l'invention et d'autres couches de vernis.
Dietsche Frank
Klippel Frank
Klueglein Matthias
Witteler Helmut
Basf Aktiengesellschaft
Robic
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