C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 22/53 (2006.01) C08L 33/14 (2006.01) C09D 133/14 (2006.01) C23C 22/56 (2006.01)
Patent
CA 2611399
The invention relates to a method for passivation of metal surfaces, in particular, strip metals by treatment of the surface with an acid aqueous composition containing at least one water-soluble, acid group containing polymer and at least one wax.
L'invention concerne un procédé permettant de passiver des surfaces métalliques, notamment des feuillards, par traitement d'une surface avec une préparation aqueuse acide, qui contient au moins un polymère soluble dans l'eau, à base de groupes acides, ainsi qu'au moins une cire.
Bertkau Walter
Goethlich Alexander
Heidenfelder Thomas
Witteler Helmut
Basf Aktiengesellschaft
Robic
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