| 发明名称 |
METHOD FOR THE PASSIVATION OF METAL SURFACES WITH POLYMERS CONTAINING ACID GROUPS |
| 摘要 |
Process for the passivation of metallic surfaces by treatment of the surface with an acidic, aqueous preparation which comprises at least one water-soluble acid group-containing polymer and Zn, Ca, Mg or Al ions, said process being in particular a continuous process for the passivation of strip metals. |
| 申请公布号 |
EP1751326(A1) |
申请公布日期 |
2007.02.14 |
| 申请号 |
EP20060763689 |
申请日期 |
2006.06.13 |
| 申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
WITTELER, HELMUT;BERTKAU, WALTER;HEIDENFELDER, THOMAS;GOETHLICH, ALEXANDER;HAAS, JENS;KLIPPEL, FRANK;SCHORNICK, GUNNAR |
| 分类号 |
C23C22/12;B05D7/14;C09D5/08;C23C22/53 |
主分类号 |
C23C22/12 |
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