C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 226/06 (2006.01) C08F 212/08 (2006.01) C08F 222/02 (2006.01) C08F 230/02 (2006.01) C09D 5/08 (2006.01)
Patent
CA 2648483
Disclosed is a method for applying corrosion-resistant layers, especially integrated pretreatment layers or layers for atmospheric corrosion protection, to metallic surfaces. In said method, copolymers are used which contain monomers comprising 20 to 70 percent by weight of nitrogen heterocyles, monomers comprising 10 to 50 percent of acidic groups, 10 to 50 percent by weight of vinyl aromatic monomers, and 0 to 25 percent by weight of other optional monomers as monomeric constitutional units. Also disclosed are copolymers having said composition as well as preparations for applying corrosion-resistant layers.
Procédé d'application de couches anticorrosion, en particulier de couches de prétraitement intégrées ou de couches de protection contre la corrosion atmosphérique, sur des surfaces métalliques, procédé dans lequel on utilise des copolymères renfermant, comme motifs monomères, 20 à 70% en poids de monomères présentant des hétérocycles à l'azote, 10 à 50% en poids de monomères présentant des groupes acides, 10 à 50% en poids de monomères vinylaromatiques et, facultativement, 0 à 25% en poids d'autres monomères. L'invention concerne également des copolymères ayant la composition précitée, ainsi que des préparations pour l'application des couches anticorrosion.
Bergmann Hermann
Dornbusch Michael
Fernandez Gonzalez Monica
Gothlich Alexander
Hickl Markus
Basf Se
Robic
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