| 摘要 |
<p>The invention relates to an aqueous, chromium-free and hardenable corrosion protection product for the first coating of metal surfaces, said product containing at least one organic polymer or copolymer of at least partially acylated vinyl amines, for improving the properties of adhesion of the hardened first coating to the metallic surface and to other organic coatings. The invention also relates to a method for producing a first coating comprising the product according to the invention, and for applying other organic coatings, especially those based on polyurethane resins and/or based on isocyanates and diols or polyols. The invention further relates to a metal strip produced in this way or a metal sheet cut off same, that can optionally be shaped.</p> |
