发明名称 |
METHOD FOR APPLYING A PHOSPHATE COATING AND USE OF METAL PARTS COATED IN THIS MANNER |
摘要 |
The invention relates to a method for applying a phosphate coating to metall ic surfaces by wetting said surfaces with an aqueous acidic phosphatizing solution. Said method is characterized in that the phosphatizing solution contains: from 0.2 up to less than 10 g/l zinc ions, 0.5 to 25 g/l manganese ions and 2 to 300 g/l phosphate ions, calculated as P2O5. In said method, no copper or nickel is added to the phosphatizing solution. The metal parts tha t have been pre-phosphatized in this manner are then shaped, bonded to other metal parts, welded to other metal parts and/or phosphatized again and optionally are then coated with a coating containing at least one polymer, o r with at least one paint layer.
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申请公布号 |
CA2440127(A1) |
申请公布日期 |
2002.09.12 |
申请号 |
CA20022440127 |
申请日期 |
2002.03.02 |
申请人 |
CHEMETALL GMBH |
发明人 |
WIETZORECK, HARDY;BITTNER, KLAUS;KOLBERG, THOMAS |
分类号 |
B05D3/10;C23C22/12;C23C22/18;C23C22/20;C23C22/22;C23C22/36;C23C22/42;C23C22/73;(IPC1-7):C23C22/18 |
主分类号 |
B05D3/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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